5 publications
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In silico PASS-Assisted Biological Activity Predictions of a Phytoconstituent Astilbin isolated from Thelypteroid fern Sphaerostephanos arbuscula (Willd.) HolttumBy Leon Stephan Raj, A. John De Britto, D. Vanila
Abstract: Pteridophytes are the most important land plants with enormous medicinal properties. The medicinal properties of this group of plants mainly depend upon the numerous phytoconstituents present inside the plants. In the present study, the biological activity spectra of a phytoconstituent Astilbin isolated from Thelypteroid fern Sphaerostephanos arbuscula was predicted using computer-aided program—Prediction of Activity Spectra for Substances (PASS). The PASS predicted activity of Astilbin exhibited its various probable activities (Pa). …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 6, Issue 2, 2016 · pp. 24–29 Read article →
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Pharmacognostical and Physicochemical Studies of Elytraria acaulis (L.F.) LindauBy Leon Stephan Raj, LH Joseph, TLS Raj
Abstract: Nature has bestowed on us a very rich botanical wealth and a large number of diverse types of plants grow in different parts of the country. Herbal medicine is still the main stay of about 75–80% of the whole population, and the major part of traditional therapy involves the use of plant extract and their active constituents. In recent years there has been rapid increase in the standardization of selected …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 5, Issue 3, 2015 · pp. 39–43 Read article →
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Green Synthesis of Silver Nanoparticles Using The Leaf Extract of Micrococca mercurialis. (L.) Benth. and Its Antibacterial ActivityBy Leon Stephan Raj, A. Antony Selvi, M. Antony Fency, P. Ramakrishnan, M. Vellakani, D. Vanila
Abstract: In the present study, fresh and powder leaf extracts of Micrococca mercurialis. (L.) Benth. were used for green synthesis of metallic silver nanoparticles (SNPs). The efficacy of SNPs was tested against some human and animal pathogens. Stable SNPs were formed after adding aqueous solution of 1 mM AgNO3 with the fresh and powder leaf extracts. Quantitative analysis of green synthesized SNP was monitored by UV-visible spectroscopy. Bacteriological tests were performed …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 5, Issue 2, 2015 · pp. 21–26 Read article →
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Enumeration of Fabaceae Vegetation in Plains of Tirunelveli District of Tamil Nadu, IndiaBy Leon Stephan Raj, D. Vanila, A Saravana Ganthi
Abstract: Maintenance, management and sustainable utilization of plant coverage have required scientific recognition. The information resulted from vegetation can be useful to solve the ecological problems such as biological conservation and natural resources management and the future of an ecosystem trends can be forecasted using such information. The study presents the survey of Fabaceae flora in the plains of Tirunelveli district during 2006–2009. About 58 species belonging to different habitats have …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 3, Issue 3, 2013 · pp. 10–14 Read article →
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Comparative Pharmacognostical Studies on Genuine, Commercial and Adulterant Samples of Centella Asiatica (L.) UrbanBy Leon Stephan Raj, Vanila D, A.Saravana Ganthi
Abstract: The adulteration and substitution of herbal drugs is the burning problem in herbal industry. Adulteration becomes a very serious problem with crude drugs, and often occurs when a drug is not easily available or when its price is comparatively high. Adulteration, in many cases, may not be intentional. In many cases, it could occur due to mistaken identity of the plant. In the present study, comparative pharmacognostical studies have been …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 3, Issue 2, 2013 · pp. 6–9 Read article →