Wild edible plants

Wild edible plants, and particularly weeds, continue to be an important dietary component of many people around the world. We study the availability and yield of 15 weedy vegetables traditionally consumed in the Mediterranean region to assess their potential sustainable exploitation. Fieldwork was conducted in Central Spain during 2007-2009. Yields ranged between 10-460 g per plant in non-clonal species and between 400-5,000 g m 22 in clonal species. According to local plant density estimates, a total of 1800 kg ha 21 for Foeniculum vulgare, 700-1000 kg ha 21 for Beta maritima, Rumex pulcher, Papaver rhoeas and Silybum marianum, and 80-400 kg ha 21 for the remaining species could be obtained, except for Scolymus hispanicus that only yielded 30 kg ha 21. Exploitation of those species should consider local yields and preferences to achieve sustainability. We propose: 1) organic cultivation for highly valued species with low production rates in the wild (e.g., Scolymus hispanicus and Silene vulgaris); 2) commercial wild collection for culturally appreciated species with high yields in the wild (e.g., Allium ampeloprasum and Chondrilla juncea); and 3) maintenance of traditional practices and rates of harvest for all species for self-consumption.

The aim of the current study was to evaluate the natural pigments (chlorophylls, carotenoids and antho-cyanins), phenolic compounds and antioxidant activity of water and 95% ethanol extracts from five edible flowers-snapdragon (Antirrhinum majus), carnation (Dianthus plumarius), garden geranium (Pelargonium hortorum), petunia (Petunia integrifolia) and dahlia (Dahlia decorative). It was found that water extracts gave higher extractive yields. The highest carotenoids and total anthocyanins content were detected in snapdragon and dahlia flowers. The total phenolic content dominated in water extracts of petunia, garden geranium, carnation and snapdragon-above 30 mg GAE/g of dry extract. Sinapic acid was detected in all edible flowers. Gallic, caffeic, chlorogenic, p-coumaric, rosmarinic, sinapic and ferulic acid were detected only in carnation. Antioxidant activity was the highest in ethanol extracts of petunia, garden geranium, carnation by FRAP method. The current study demonstrated ...

Ethnobotanical approaches to the study of Mediterranean food plants offer novel ways for analyzing and preserving traditional knowledge and agrobiodiversity in the Mediterranean area. This article highlights our strategy to increase the awareness within traditional knowledge systems and encourage the continuous evolution of it, avoiding the loss of substantial parts of the local cultural and biological diversity. The strategy is part of a broader stream of thought, which does attempt to disseminate information locally in a multitude of ways, e.g. through a range of publications in rural or urban zones, to people with or without formal education, to children or the elderly. This article is a very personal account of the experience of the authors, but there is an urgent need to assess the impact of such activities on a broader level, and, also, to reassess the impact researchers have on the communities. Our clear impression in all field sites has been that the simple fact that such traditional knowledge systems are the focus of scientific investigation are an essential element of giving renewed sociocultural value to such knowledge and that activities like the ones described here are of great interest to the communities we worked in.

Nutritional (ascorbic acid, dehydroascorbic acid and carotenes); antinutritional and toxic components (oxalic acid, nitrate and erucic acid) were determined in sixteen popular species of wild edible plants which are collected for human consumption in southeast Spain. Ascorbic + dehydroascorbic acids contents were very high in several species, especially in Chenopodium album L. (155 mg/100 g). Carotenoid content ranged from 4.2 mg/100 g (Stellaria media Villars) to 15.4 mg/100 g (Amaranthus viridis L.). A range of values was found for oxalic acid from absence to 1100 mg/100 g of plant material. Nitrate contents ranged from 47 mg/100 g (Salicornia europaea L.) to 597 mg/100 g (Amaranthus viridis L.). Low amounts of erucic acid were found in the Cruciferae family (Sisymbrium irio L. 1.73%; Cardaria draba L. 1.23%) and Plantago major L. 3.45%.

Background: This study examined the use of wild plants in the food, medicinal and veterinary areas within a small territory limited to one village council in the Liubań district of Belarus. The objectives of the research were to document the current and past uses of wild plants in this region for food and human/animal medication; to analyse the food, medicinal and veterinary areas in the context of wild plants; and to qualitatively compare the results with relevant publications concerning the wild food plants of Belarus. Methods: Fieldwork was carried out as a practical part of a development cooperation project in May 2016 in 11 villages of the Liubań district. One hundred thirty-four respondents were selected randomly. Information about local uses of wild plants was obtained via semi-structured interviews and the folk-history method. Interview records were digitalized and the data structured in Detailed Use Records (DUR), which were divided into food, medicinal and veterinary areas...

Background: Ethnobotany in SouthEastern Europe is gaining the interest of several scholars and stakeholders, since it is increasingly considered a key point for the re-evaluation of local bio-cultural heritage. The region of Gollobordo, located in Eastern Albania and bordering the Republic of Macedonia, is of particular interest for conducting ethnobiological studies, since it remained relatively isolated for the larger part of the 20 th Century and is traditionally inhabited by a majority of ethnic Macedonians and a minority of Albanians (nowadays both sharing the Muslim faith). Methods: An ethnobotanical survey focused on local food, medicinal, and veterinary plant uses was conducted with 58 participants using open and semi-structured interviews and via participant observation. Results: We recorded and identified 115 taxa of vascular plants, which are locally used for food, medicinal, and veterinary purposes (representing 268 total plant reports). The Macedonian Traditional Ecological Knowledge (TEK) was greater than the Albanian TEK, especially in the herbal and ritual domains. This phenomenon may be linked to the long socio-cultural and linguistic isolation of this group during the time when the borders between Albania and the former Yugoslavia were completely closed. Moreover, the unusual current food utilisation of cooked potatoes leaves, still in use nowadays among Macedonians, could represent the side effect of an extreme adaptation that locals underwent over the past century when the introduction of the potato crop made new strategies available for establishing stable settlements around the highest pastures. Additionally, the difference in use of Helichrysum plicatum, which is popular in the local Macedonian folk medicine but absent among Albanians, confirms the particular significance of this taxon as it relates to the yellow colour of its flowers in South Slavic folklore. Conclusion: Botanical studies with an ethnographic approach are crucial for understanding patterns of use of plants within given cultures. Importantly, such studies can also allow for analysis of the dynamics of change in these TEK patterns over the time. The results of this study may be important as baseline data set to be used in rural development programs in Gollobordo, aimed at fostering community-based strategies of management of natural resources.

The diversity of local Mediterranean food elements is not known in detail, but offers itself to search for new vegetables, salads, fruits and spices which could be used in to enrich diets outside their region of origin. Most amid those interesting local elements are edible wild plants and weeds. Ethnobotanical research has identified ca. 2,300 different plant and fungi taxa, which are gathered and consumed in the Mediterranean. Among these,
1,000 are only consumed in one single zone, therefore are strictly local. The percentage of local gathered food plant (GFP) taxa (present in 5 samples), is higher in the main centers of diversity at the periphery of the Mediterranean (Sahara, Alps, Caucasus, Canary Islands, the Levant). Islands (Sicily, Sardinia, Crete, Cyprus) also show a high proportion. Endemism of GFP taxa only accounts for a limited number of these ‘ethnobotanical endemics’ (only ca. 350 are endemic/ endangered species). On the other hand, only a few taxa – 30 occurring in...

Inorganic arsenicals have been used in agriculture as pesticides or defoliants for many years and, in localized areas, oxides of arsenic have contaminated soils as a result of fallout from ore-smelting operations and coal-fired power plants. Use of inorganic arsenicals is no longer permitted in most agricultural operations, and recent air pollution controls have markedly reduced contamination from smelters. Thus, this paper will concentrate on the effect of past applications on arsenic accumulation in soil, phytotoxicity to and uptake by plants as influenced by soil properties, and alleviation of the deleterious effects of arsenic. Once incorporated into the soil, inorganic arsenical pesticides and arsenic oxides revert to arsenates, except where the soil is under reducing conditions. The arsenate ion has properties similar to that of orthophosphate, and is readily sorbed by iron and aluminum components. This reaction greatly restricts the downward movement (leaching) of arsenic in soils and the availability of arsenic to plants. Several methods of estimating plant available arsenic in soils have been developed. They involve extraction of the soil with reagents used to estimate phosphorus availability. This extractable arsenic is reasonably well correlated with reduced plant growth by, and plant uptake of arsenic. For most plants, levels of arsenic in the edible portion of the plant are well below the critical concentration for animal or human consumption, even when severe phytotoxicity occurs. Alleviation of arsenic phytotoxicity has been attempted by increasing the soil pH, by use of iron or aluminum sulfate, by desorbing arsenate with phosphate and subsequent leaching, and by cultural practices such as deep plowing. Only limited benefits have accrued from these procedures the cost of which is often prohibitively high. Since attempts to reduce arsenic toxicity have not been very successful, its excessive accumulation in soils should be avoided.

The CpG island methylator phenotype is characterized by DNA hypermethylation in the promoters of several suppressor genes associated with the inactivation of various pathways involved in tumorigenesis. DNA methylation is catalyzed by specific DNA methyltransferases (DNMTs). Dietary phytochemicals particularly catechol-containing polyphenols were shown to inhibit these enzymes and reactivate epigenetically silenced genes.

BACKGROUND: There are growing concern globally regarding fast food consumption and its related cardiometabolic outcomes. In this study we investigated whether fast food consumption could affect the occurrence of metabolic syndrome (MetS) after 3-years of follow-up in adults. METHODS: This longitudinal study was conducted in the framework of Tehran Lipid and Glucose Study on 1476 adults, aged 19-70 y. The usual intakes of participants were measured using a validated semi-quantitative food frequency questionnaire at baseline. Biochemical and anthropometric measurements were assessed at baseline (2006)(2007)(2008) and 3 years later (2009)(2010)(2011). Multiple logistic regression models were used to estimate the occurrence of the MetS in each quartile of fast food consumption. RESULTS: The mean age of participants was 37.8 ± 12.3 y, and mean BMI was 26.0 ± 4.5 kg/m 2 at baseline. Participants in the highest quartile of fast food consumption were younger (33.7 vs 43.4 years, Po0.01). Higher consumption of fast food was accompanied with more increase in serum triglyceride levels and triglyceride to HDL-C ratio after the 3-year follow-up. After adjustment for all potential confounding variables, the risk of metabolic syndrome, in the highest quartile of fast foods compared with the lowest, was 1.85 (95% CI ¼ 1.17-2.95). The effects of fast food consumption on the occurrence of MetS were more pronounced in younger adults (o30 years), and participants who had greater wait to hip ratio, consumed less phytochemical-rich foods or had low-fiber diet (Po0.05). CONCLUSION: We demonstrated that higher consumption of fast foods had undesirable effects on metabolic syndrome after 3-years of follow-up in Iranian adults.

Biological systems are exceedingly complex. The unraveling of the genome in plants and humans revealed fewer than the anticipated number of genes. Therefore, other processes such as the regulation of gene expression, the action of gene products, and the metabolic networks resulting from catalytic proteins must make fundamental contributions to the remarkable diversity inherent in living systems. Metabolomics is a relatively new approach aimed at improved understanding of these metabolic networks and the subsequent biochemical composition of plants and other biological organisms. Analytical tools within metabolomics including mass spectrometry (MS) and nuclear magnetic resonance (NMR) spectroscopy can profile the impact of time, stress, nutritional status, and environmental perturbation on hundreds of metabolites simultaneously resulting in massive, complex data sets. This information, in combination with transcriptomics and proteomics, has the potential to generate a more complete picture of the composition of food and feed products, to optimize crop trait development, and to enhance diet and health. Selected presentations from an American Chemical Society symposium held in March 2005 have been assembled to highlight the emerging application of metabolomics in agriculture.

A BSTRACT : The low molecular weight antioxidants (LMWA) play a major role in protecting biological systems against reactive oxygen-derived species (ROS), and reflect the antioxidant capacity of the system. The cyclic voltammetry (CV) has been conveniently used and validated for the quantitation of the antioxidant capacity of the LMWA of blood plasma, tissue homogenates, and plant extracts. The CV tracing provides the biological oxidation potential ( E and E 1/2 which relate to the nature of the molecule(s)), the intensity of the anodic current wave ( I a ), and its area S (both relate to the concentration of the molecule(s)). The components of the first anodic wave of plasma were identified by comparison with HPLC-electrochemical detection. CV together with another plasma parameter R, which reflects the level of oxidized ascorbate, were used for the evaluation of the antioxidant status and the oxidative stress in healthy subjects and in chronic (diabetes mellitus) and acute patients (subjected to total body irradiation prior to bone marrow transplantation).These methodologies could be widely employed for rapid evaluation of subjects, in health and disease, for monitoring of their response to treatment and nutritional supplementation, and for screening of specific populations.

Investigation into phytochemicals from foods for disease prevention has increased substantially in the last few decades. However, a clear strategy on the selection of the most promising foods for research has been lacking. An ethnobotanical approach represents an effective method which may improve the outcomes of phytochemical research. Research on the health properties of native Australian plants is limited. The vast number of edible plants used as foods and medicines by the Australian Aboriginal population creates opportunities for the discovery of novel physiologically active compounds. Within this review, we propose an ethnobotanical approach to accelerate research towards the utilisation of native Australian plants for foods with health-enhancing properties.

An acidic polysaccharide with anticoagulant activity was isolated from the edible mushroom Auricularia auricula using water, alkali or acid extracts. The alkali extract showed the highest anticoagulant activity and was thereby further purified using gel filtration chromatography. Specific anticoagulant activity of the purified polysaccharide was 2 IU/mg and its average mass was ∼160 kDa. The polysaccharide from this species of mushroom contains mainly mannose, glucose, glucuronic acid and xylose but no sulfate esters. Its anticoagulant activity was due to catalysis of thrombin inhibition by antithrombin but not by heparin cofactor II. Inhibition of Factor Xa by antithrombin was not catalyzed by the polysaccharide. The glucuronic acid residues were essential for the anticoagulant action of the mushroom polysaccharide since the activity disappeared after reduction of its carboxyl groups. In ex vivo tests using rats orally fed with the polysaccharide, we observed an inhibitory effect on platelet aggregation as observed with aspirin, a well-known antiplatelet agent. The polysaccharides from these mushrooms may constitute a new source of compounds with action on coagulation, platelet aggregation and, perhaps, on thrombosis.

In a study conducted on the extraction of protein from the leaves of 30 freshwater aquatic plants, the highest standing crop fresh yield was found in Typha latifolia (2650 g/m2). The Bio-Medical Data Processing (BMDP) K-means clustering program with K = 2 showed that 11 of the 30 plants had a high protein nitrogen extractability as well as a high nitrogen content of the extracted protein. Among these, leaf protein from Allmania nodiflora had the highest content of crude protein (62.7%) and/~-carotene (782.4 vg/g). Leaf protein prepared from Hygrophila spinosa, Ottelia alismoides and Polygonum barbatum had low in-vitro digestibility. The levels of alkaloids and polyphenols were lower in the extracted protein compared to that present in the original leaf sample.

Oca (Oxalis tuberosa Mol.) or New Zealand yam, in common with other members of this genus, contains oxalate, an antinutritive factor. Twelve South American and two New Zealand cultivars of oca were analyzed for total and soluble oxalate contents of the tubers. The range of total oxalate levels was 92-221 mg/100 g of fresh weight. Levels of soluble and total oxalate extracted from the tubers were not significantly different, suggesting that no calcium oxalate is formed in the tubers. The oxalate concentrations obtained in this study for oca suggest that previously reported values are too low and that oca is a moderately high oxalate-containing food. This is the first report of a tuber crop containing moderate to high levels of soluble oxalates in the tubers and no insoluble oxalates.

Recent understanding of plant metabolism has made it possible to increase the iron, zinc and β-carotene (provitamin A) content in staple foods by both conventional plant breeding and genetic engineering. Improving the micronutrient composition of plant foods may become a sustainable strategy to combat deficiencies in human populations, replacing or complementing other strategies such as food fortification or nutrient supplementation.

Carotenoids are indispensable to plants and play a critical role in human nutrition and health. Significant progress has been made in our understanding of carotenoid metabolism in plants. The biosynthetic pathway has been extensively studied. Nearly all the genes encoding the biosynthetic enzymes have been isolated and characterized from various organisms. In recent years, there is an increasing body of work on the signaling pathways and plastid development, which might provide global control of carotenoid biosynthesis and accumulation. Herein, we will highlight recent progress on the biosynthesis, regulation, and metabolic engineering of carotenoids in plants, as well as the future research towards elucidating the regulatory mechanisms and metabolic network that control carotenoid metabolism.

As a result of the increasing consumer demand for minimally-processed fresh-like food products with high sensory and nutritional qualities, there is a growing interest in non-thermal processes for food processing and preservation. Key advanced technologies such as high-pressure processing, pulsed electric fields, dense gases and ultrasound are being applied to develop gentle but targeted processes to further improve the quality and safety of processed foods. These technologies also offer the potential for improving existing processes as well as for developing new process options. Furthermore, by adding new process dimensions (such as hydrostatic pressure, electric fields, ultrasonics, supercritical CO2) to the conventional process variables of temperature and time, they facilitate enlargement of the availability of unit operations. These operations might be applied effectively in unique combination processes, or as subsequent processing tools in more-targeted and subsequently less-intensive processes for food preservation and modification than the currently-applied processes.

Eight Thai edible plants were tested for their inhibitory activity against an angiotensin-converting enzyme (ACE) using an in vitro assay. The methanol extract of Apium graveolens exhibited significant ACE inhibitory activity with an IC 50 value of 1.7 mg/ml, and was then subjected to an isolation procedure that resulted in identification of a pure active constituent, junipediol A 8-O-b-D-glucoside (1-b-D-glucosyloxy-2-(3-methoxy-4-hydroxyphenyl)-propane-1,3-diol) (1), which had good ACE inhibitory activity with an IC 50 value of 76 lg/ml. Another eight known compounds, isofraxidin-b-D-glucoside (2), roseoside (3), apigenin-7-O-b-D-glucoside (4), luteolin-7-O-b-D-glucoside (5), icariside D 2 (6), apiin (7), chrysoeriol-7-O-b-D-apiosylglucoside (8), and 11,21-dioxo-3 b,15a,24-trihydroxyurs-12-ene-24-Ob-D-glucopyranoside (9) were also identified. Although each of these five constituents (2-6) isolated from the same fraction as 1 showed no activity at concentrations of 500 lM, together, when each was present at 300 lg/ml, they enhanced the inhibitory activity of 500 lM of 1 from 64% to 81%.

Medicines play an important role in the treatment and prevention of disease. Whereas the side effects on human and animal health resulting directly from treatment have been widely documented, only recently have the occurrence and fate of medicines in the environment and the potential consequences for human health been recognized as an issue warranting consideration. Medicines have been shown to be released to soils and to persist in the environment. This study was performed to investigate the potential for a range of veterinary medicines to be taken up from soil by plants used for human consumption and to assess the potential significance of this exposure route in terms of human health. Soil analyses indicated that, for selected substances, measurable residues of these are likely to occur in soils for at least 5 months following application of manure containing these compounds. Experimental studies on the uptake of veterinary medicines into carrot roots (tubers) and lettuce leaves showed that only florfenicol, levamisole, and trimethoprim were taken up by lettuces, whereas diazinon, enrofloxacin, florfenicol, and trimethoprim were detected in carrot roots. Measured concentrations in plant material were used to model potential adult human exposure to these compounds. Although exposure concentrations were appreciable in a few instances, accounting for ∼10% of the acceptable daily intake values (ADI), all were lower than the ADI values, indicating that, at least for compounds with properties similar to those considered here, there is little evidence of an appreciable risk. This exposure route may, however, be important when veterinary medicines have a very low ADI, at which they elicit subtle effects over prolonged periods, or when exposure is occurring via a number of routes at once. Although degradation products (produced in the soil or the plant) were not measured, it is possible for some substances that these could increase the risks to consumers.

Studies were carried out to optimize the use of water and nutrients by the crop with three moisture regimes [0.9, 1.2 and 1.5 irrigation water:cumulative pan evaporation (IW:CPE) ratios], two variables of organic mulch (control and sugarcane trash at 7 t/ha) and three levels of nitrogen (0, 100 and 200 kg/ha). Soil moisture regimes maintained at 1.2 IW:CPE ratio significantly increased the crop growth and herb and essential oil yields as compared with that of 0.9 IW:CPE ratio. The increase in herb yield due to 1.5 and 1.2 IW:CPE ratios was recorded to be 28.5% and 19%, respectively, over the irrigation given at 0.9 IW:CPE ratio, with the corresponding increase in essential oil yield to the extent of 23.5% and 15.5%. Interaction effect of moisture regimes and nitrogen rates indicated that increasing levels of irrigation at the highest level of N (200 kg/ha) improved essential oil yield of the crop. Application of N at 200 kg/ha in the mulched plots significantly enhanced the N uptake by the crop and essential oil yield over the control and 100 kg N/ha applied in the mulched/or unmulched plots and 200 kg N/ha applied in the unmulched plots. Application of organic mulch and nitrogen at 200 kg/ha improved the water use efficiency (WUE) in menthol mint crop. Higher moisture regimes maintained up to 1.2 IW:CPE ratio increased the WUE. The quality of essential oil in terms of its major constituent, menthol, improved slightly with 1.2 IW:CPE ratio as compared to 0.9 and 1.5 IW:CPE ratios at first and second harvests of the crop.

Calcium (Ca) is an essential nutrient for plants and animals, with key structural and signalling roles, and its deficiency in plants can result in poor biotic and abiotic stress tolerance, reduced crop quality and yield. Likewise, low Ca intake in humans has been linked to various diseases (e.g. rickets, osteoporosis, hypertension and colorectal cancer) which can threaten quality of life and have major economic costs. Biofortification of various food crops with Ca has been suggested as a good method to enhance human intake of Ca and is advocated as an economically and environmentally advantageous strategy. Efforts to enhance Ca content of crops via transgenic means have had promising results. Overall Ca content of transgenic plants has been increased but in some cases adverse affects on plant function have been observed. This suggests that a better understanding of how Ca ions (Ca 2+ ) are stored and transported through plants is required to maximise the effectiveness of future approaches.

RESUMEN En la presente revisión se aborda el papel que tienen las plantas silvestres comestibles como parte del patrimonio biocultural, haciendo énfasis en el caso de México, país con gran riqueza y complejidad en torno a este patrimonio, debido a su condición como un territorio megadiverso y su gran diversidad cultural. La revisión de literatura permite sugerir que de las más de 22 mil plantas vasculares mexicanas reportadas, el 32% son útiles (considerando diversos usos) y el 9% son comestibles (cultivadas y silvestres), estimándose que entre estas últimas el 89% son silvestres. A esta riqueza de especies silvestres se le suma la variedad de formas de manejo implícitas en su aprovechamiento, las cuales pueden originar procesos de domesticación incipiente, siendo un componente que le otorga complejidad al patrimonio biocultural. Asimismo, con la finalidad de dar una idea sobre la gran riqueza de plantas silvestres comestibles mexicanas, vale la pena mencionar que dicha cifra estimada cuadruplica el total de especies silvestres reportadas con este uso para España; e incluso supera lo reportado para toda Europa, y es cercana o similar a la de otros países megadiversos y multiculturales como Ecuador. Por otro lado, también se presenta información sobre la importancia de estos recursos en términos de seguridad y soberanía alimentaria, así como de algunos factores socioculturales que erosionan el conocimiento tradicional asociado a su uso. La presencia de este vasto patrimonio en México es un privilegio, cuya conservación representa una enorme responsabilidad que debe ser asumida por todos los sectores de la sociedad.

ABSTRACT This review addresses the role of wild edible plants as part of the biocultural heritage, emphasizing the case of Mexico, a region of the world with a great richness and complexity around this heritage, due to its status as a megadiverse territory and its great cultural diversity. The literature review suggests that of the more than 22 thousand Mexican vascular plants reported, 32% are useful (considering various uses) and 9% are edible (cultivated and wild), estimating that among the latter 89% are wild. In addition to this richness of wild species, the variety... in their use can originate incipient domestication, which can origin incipient domestication processes, being a component that gives complexity to the biocultural heritage. Likewise, in order to give an idea about the great richness of Mexican edible wild plants, it is worth mentioning that the forementioned estimated figure quadruples the total of wild species reported with this use for Spain; and and it is even larger than the figure for whole Europe, and is similar to the reported for other megadiverse and multicultural countries such as Ecuador. On the other hand, information about the importance of these resources in terms of food security and sovereignty is also presented, as well as some sociocultural factors that erode the traditional knowledge associated with their use. The presence of this vast heritage in Mexico is a privilege, towhich conservation represents an enormous responsibility that must be assumed by all sectors of society.

Studies were conducted on the flavonoids (myricetin, quercetin, kaempferol, luteolin, and apigenin) contents of 62 edible tropical plants. The highest total flavonoids content was in onion leaves (1497.5 mg/kg quercetin, 391.0 mg/kg luteolin, and 832.0 mg/kg kaempferol), followed by Semambu leaves (2041.0 mg/kg), bird chili (1663.0 mg/kg), black tea (1491.0 mg/kg), papaya shoots (1264.0 mg/kg), and guava (1128.5 mg/kg). The major flavonoid in these plant extracts is quercetin, followed by myricetin and kaempferol. Luteolin could be detected only in broccoli (74.5 mg/kg dry weight), green chili (33.0 mg/kg), bird chili (1035.0 mg/kg), onion leaves (391.0 mg/kg), belimbi fruit (202.0 mg/kg), belimbi leaves (464.5 mg/kg), French bean (11.0 mg/kg), carrot (37.5 mg/kg), white radish (9.0 mg/ kg), local celery (80.5 mg/kg), limau purut leaves (30.5 mg/kg), and dried asam gelugur (107.5 mg/ kg). Apigenin was found only in Chinese cabbage (187.0 mg/kg), bell pepper (272.0 mg/kg), garlic (217.0 mg/kg), belimbi fruit (458.0 mg/kg), French peas (176.0 mg/kg), snake gourd (42.4 mg/kg), guava (579.0 mg/kg), wolfberry leaves (547.0 mg/kg), local celery (338.5 mg/kg), daun turi (39.5 mg/kg), and kadok (34.5 mg/kg). In vegetables, quercetin glycosides predominate, but glycosides of kaempferol, luteolin, and apigenin are also present. Fruits contain almost exclusively quercetin glycosides, whereas kaempferol and myricetin glycosides are found only in trace quantities.

Wild foods are ubiquitous motivational tools for teaching botany, environmental education, cultural foodways and survival. Few motivational tools involve humans so intimately as those used for oral stimulation, sustenance, and/or survival. The purpose of this workshop is to revisit a traditional content area and educational vehicle for experiential educators.

Smallanthus sonchifolius (yacon) and Lepidium meyenii (maca) were the traditional crops of the original population of Peru where they are also still used in folk medicine. These plants are little known in Europe and Northern America although at least yacon can be cultivated in the climatic conditions of these regions. This article deals with the botany and the composition, the structure of main constituents, biological activity of these plants and the cultivation of yacon in the Czech Republic. The potential of yacon tubers to treat hyperglycemia, kidney problems and for skin rejuvenation and the antihyperglycemic and cytoprotective activity of its leaves seems to be related mostly to its oligofructan and phenolic content, respectively. Maca alkaloids, steroids, glucosinolates, isothicyanates and macamides are probably responsible for its aptitude to act as a fertility enhancer, aphrodisiac, adaptogen, immunostimulant, anabolic and to influence hormonal balance. Yacon and maca are already on the European market as prospective functional foods and dietary supplements, mainly for use in certain risk groups of the population, e.g. seniors, diabetics, postmenopausal women etc.

Thực vật ăn được trong tự nhiên là nguồn thực phẩm trong các bữa ăn hằng ngày của các cộng đồng bản địa, đồng thời cung cấp và bổ sung các chất dinh dưỡng, vitamin cần thiết cho cơ thể. Tuy nhiên, nguồn tài nguyên này chưa được khám phá dựa trên kinh nghiệm và hiểu biết của cộng đồng K'ho ở Ban Quản lý rừng phòng hộ (RPH) Nam Ban, tỉnh Lâm Đồng. Do đó, nghiên cứu này đã được thực hiện. Các phương pháp đánh giá nhanh nông thôn (RRA), đánh giá nông thôn có sự tham gia của người dân (PRA), điều tra tuyến đã được sử dụng để giải quyết các mục tiêu trên. Nghiên cứu đã chỉ ra rằng, cộng đồng K'ho có sự hiểu biết đa dạng về những loài thực vật ăn được, kinh nghiệm thu hái, sử dụng và chế biến thực phẩm. Tổng số 93 loài, 79 chi, 47 họ thuộc 3 ngành thực vật bậc cao có mạch đã được cộng đồng K'ho sử dụng làm thực phẩm. Có 10 dạng sống khác nhau được xác định làm thực phẩm. Chúng phân bố ở 5 môi trường sống, tập trung ở độ cao 1000 m đến 1200 m. Mười bộ phận của thực vật đã được tìm thấy, bên cạnh đó các phương pháp sơ chế để xử lý, loại bỏ chất độc, chát, nhựa cũng đã được xác định. Có 9 cách chế biến thực vật làm thực phẩm đã được cộng đồng K'ho sử dụng để chế biến các món ăn truyền thống như Cháo chua, Canh chua, lá Bét nấu thịt trâu, Biệp pù, Mây nướng,.. Nghiên cứu cũng ghi nhận một số loài thực vật có giá trị được đem bán trên thị trường. Từ khóa: cộng đồng K'Ho, kiến thức bản địa, rừng phòng hộ Nam Ban, thành phần loài, thực vật ăn được.

Acetic fermentation is a method for processing plant material which has been known since antiquity. Balsamic and apple cider vinegars are investigated as antibacterial, anti-obesity, and anti-diabetic remedies. However, there is little information about vinegars fermented from aromatic herbs and edible plants. The aim of this study was to compare extracts used for culinary and medicinal purposes according to their composition, antioxidant power, and genoprotective properties. Fermented vinegars, acetic macerates, decoctions, and tinctures in 70% ethanol from raspberries, apple peels, rosehips, lavender, mint, and rose petals were prepared. Polyphenols, ascorbate, carotenoid concentrations, and antioxidant power were analyzed. The polyphenols were identified using HPLC (high-performance liquid chromatography). The genoprotective properties were measured using a comet assay on lymphocytes. Fermented vinegars were poorest in phytochemicals in comparison to tinctures, decoctions, or ace...

Impreso en España 1 Printed in Spain Está prohibida la reproducción o almacenamiento total o parcial del libro por cualquier medio: fotográfico, fotocopia, mecánico, reprográfico, óptico, magnético o electrónico sin la autorización expresa y por escrito del propietario del copyright. Ley de la Propiedad Intelectual (111996).

THIS IS NATURE SIGNALING THE END OF DUALITY 
THIS IS HUGE - CHANGE THE ENTIRETY OF CREATION - NO DUALITY ANYWHERE.
IT IS VERY CLEARLY A PREDETERMINED ADVANCEMENT OF HUMAN CONSCIOUSNESS - THIS BUBBLE IS TOO WELL DESIGNED - EUPHORIA CANCELS KARMA

A widely used method for analyzing hydrolyzable tannins afer reaction with KIO 3 has been modified to include a methanolysis step followed by oxidation with KIO 3 . In the new method, hydrolyzable tannins (gallotannins and ellagitannins) are reacted at 85°C for 20 h in methanol/sulfuric acid to quantitatively release methyl gallate. Dried plant samples can be methanolyzed under the same conditions to convert hydrolyzable tannins to methyl gallate. Oxidation of the methyl gallate by KIO 3 at pH 5.5, 30°C, forms a chromophore with λ max 525 nm, which is determined spectrophotometrically. The detection limit of the method is 1.5 µg of methyl gallate, and with plant samples, relative standard deviations of less than 3% were obtained.

The Dima Hasao (formerly, North Cachar Hills) district is situated in the southern part of Assam, India. The main ethnic groups in the district are Dimasas, Zeme Nagas, Hmars, Hrangkhols, Biates, Jansens and Thadous (New-Kukis), Sakacheps (Khelmas), Vaipheis and Jaintia (Pnars). The present paper provides a comprehensive account of 168 wild edible plants and fungi along with their botanical name, family, exsiccate, vernacular name(s), parts used, mode of use and also their market value in local makeshift markets.

A variety of natural vinegar products are found in civilizations around the world. A review of research on these fermented products indicates numerous reports of health benefits derived by consumption of vinegar components. Therapeutic effects of vinegar arising from consuming the inherent bioactive components including acetic acid, gallic acid, catechin, ephicatechin, chlorogenic acid, caffeic acid, p-coumaric acid, and ferulic acid cause antioxidative, antidiabetic, antimicrobial, antitumor, antiobesity, antihypertensive, and cholesterol-lowering responses. The aims of this article are to discuss vinegar history, production, varieties, acetic acid bacteria, and functional properties of vinegars.

An overview about the ethnobotanical studies in Turkey and Turkey's rich biodiversity and cultural heritage. The history of research, its resources, and brief evaluation of different plant uses, such as edibles, medicinals, and research in different parts of Turkey.

The authors of this edition propose a novel and inspiring research approach to the subject of plants, which – being a form of life that is different, yet akin to us – is a constant source of nourishment and metaphors, decoration and obsessions. The articles included in this thematic block on plants enter into lively ongoing debates on genetics, feminism, ecology and plant ontology. They are excellent examples of the fact that in Polish philosophical and cultural reflection there was an understanding very early on of the challenges that posthumanism poses to our anthropocentric intellectual habits. Foreign readers will recognize in these Polish reflections a bold willingness to ask ethical and aesthetic questions of great relevance to the modern world that go far beyond the safe, though most likely imagined, limits of what it is to be human.