Books by Ranjan Shaw
Botanical Survey of India, 2024
CITES Plants Committee and the first author of 9-step NDFs guidance and also to the members of th... more CITES Plants Committee and the first author of 9-step NDFs guidance and also to the members of the CITES PC26 Intersessional Working Group on Agarwood-producing taxa for sharing their views, especially with respect to the 'cultivated parental stock' and source codes.
Papers by Ranjan Shaw
International Journal of Advanced Research in Biological Sciences , 2025
Wild plants are used in a variety of ways by indigenous people in their day-today life, including... more Wild plants are used in a variety of ways by indigenous people in their day-today life, including for the purpose of obtaining food, fibre, traditional medicine, and the preparation of domestic items. Several dried plant components are used by people all around the globe to produce brooms, which is their primary means of subsistence. Sida acuta Burm.f., a plant belonging to the family Malvaceae, is not only an important ethnobotanical species but also used in preparing traditional broom. This plant is found in Meghalaya's Garo Hills, where it flourishes profusely. In addition to conduct an investigation on the traditional technique that the indigenous people of Garo Hills, Meghalaya use Sida acuta Burm.f. to make brooms.
EIACP NEWSLETTER, 2024
Tridax procumbens L., frequently referred to as coat buttons or Tridax Daisy, is a member of the ... more Tridax procumbens L., frequently referred to as coat buttons or Tridax Daisy, is a member of the Asteraceae family. It is called as Tridhara or Bishalya Karani in the state of West Bengal (Ghosh & al., 2019). Due to its traditional use as a medicinal plant, it holds critical importance in the tribal regions of the Buxa Tiger Reserve (BTR). With a total area of 760.87 sq. km, the BTR is situated in the Alipurduar district of West Bengal, India. Its geo-cordinates range from 26º30' N to 26º55' N and 89º20' E to 89º55' E. The core zone of the BTR encompasses 385.02 sq. km, which includes both the Buxa Wildlife Sanctuary (252 sq. km) and the Buxa National Park (117 sq. km). The remaining 375.85 sq. km make up the buffer area, which is a reserve forest that is divided into two forest divisions and has thirteen forest ranges. According to Chatterjee (2018), the ethnic groups residing in and around the BTR include the Bhutia, Dukpa, Garo, Madesia (Santhal), Mechia, Nepali, Oraon, Rava, and Rajbanshi. This study gives an overview of the occurrence of Tridax procumbens L. in BTR and how it is used to treat leech bites and in traditional phytotherapy. This overview is based on the observations that were made during the field survey in BTR.
The qualitative phytochemical screening of Trema orientale (L.) Blume (Indian Charcoal-Tree) was ... more The qualitative phytochemical screening of Trema orientale (L.) Blume (Indian Charcoal-Tree) was carried out using aqueous extract of different plant parts (leaves, stem, and fruits). The results showed diverse secondary metabolites like tannin, flavonoids, phenolic compounds, reducing sugar, alkaloids etc. in all the three parts while the saponin is present in both leaves and stem but absent in fruit extract. This result gives base line data for future advanced experimental works in pharmacological aspects.
A well-known sacred plant known as tulsi or basil (holy) is an aromatic plant growing both in cul... more A well-known sacred plant known as tulsi or basil (holy) is an aromatic plant growing both in cultivated and wild manner. Its scientific name is Ocimum sanctum L. belonging to family Lamiaceae. It is grown in every household in India as well as in many Southeast Asian countries. In several ancient systems of medicine Ocimum sanctum L. has a wide number of applications as drug in cardiopathy, haemopathy, leucoderma, asthma, bronchitis etc. This review incorporates taxonomy of Ocimum sanctum L., its chemical constituents and effect on cancer cells.
Conference Presentations by Ranjan Shaw
National Conference, ISCA, Kolkata Chapter- Surendranath College, 2020
In generic era of modern biotechnology still natural products represent over 50% of all drugs in ... more In generic era of modern biotechnology still natural products represent over 50% of all drugs in clinical use. The World Health Organization estimates that 85% of traditional medicine involves the use of plant extracts and about 80% of the people in developing countries of the world depend on traditional medicine for their primary health care. Among the 87 anticancer drugs approved over the past ten years, 62% are of natural origin. The major drugs include paclitaxel, Vinblastine and Vincristine extracted from Taxus brevifolia and Catharanthus roseus respectively. All of them prevent the multiplication of cancer cells by binding to tubulin and blocking the polymerization to form microtubules required for cell division. The evidence from epidemiological and experimental studies that highlight the importance of compounds derived from plants "phytochemicals" are medically more important to reduce the risk of cancer and inhibit the development and spread of tumours in experimental animals, Paclitaxel, Vinblastine and Vincristine drugs have a strong inhibitory effect on monozygotic leukemia, breast cancer, lung cancer, liver cancer, ovarian cancer, head and neck cancer, testicular cancer, solid sarcoma and malignant melanoma in a variety of spontaneous or transplanted lymphocytic leukemia. The structure of Vinblastine and Vincristine is very similar. There are some differences in their pharmacological effects only and there is no cross-resistance. However, anti-tumourous effects still face challenges and have a long way to go. The process of research and development of these drugs will provide more meaningful future revelations.
ISCA, Kolkata Chapter & Surendranath College, 2020
In generic era of modern biotechnology still natural products represent over 50% of all drugs in ... more In generic era of modern biotechnology still natural products represent over 50% of all drugs in clinical use. The World Health Organization estimates that 85% of traditional medicine involves the use of plant extracts and about 80% of the people in developing countries of the world depend on traditional medicine for their primary health care. Among the 87 anticancer drugs approved over the past ten years, 62% are of natural origin. The major drugs include Paclitaxel, Vinblastine and Vincristine extracted from Taxus brevifolia and Catharanthus roseus respectively. All of them prevent the multiplication of cancer cells by binding to tubulin and blocking the polymerization to form microtubules required for cell division.
Students of Department of Botany, Surendranath College participated in two days National Conference on Science & Technology: Rural Development organised by ISCA, Kolkata Chapter & Surendranath College, Kolkata on 20th and 21st January, 2020.
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Books by Ranjan Shaw
Papers by Ranjan Shaw
Conference Presentations by Ranjan Shaw
Students of Department of Botany, Surendranath College participated in two days National Conference on Science & Technology: Rural Development organised by ISCA, Kolkata Chapter & Surendranath College, Kolkata on 20th and 21st January, 2020.
Students of Department of Botany, Surendranath College participated in two days National Conference on Science & Technology: Rural Development organised by ISCA, Kolkata Chapter & Surendranath College, Kolkata on 20th and 21st January, 2020.