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Kumar, P. R.
- Pharmacognostical and Preliminary Phytochemical Studies on the Aerial Parts of Rubus racemosus (Roxb)
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Affiliations
1 Department of Pharmaceutical Science, Vels College of Pharmacy, Vels University, Pallavaram – 143, IN
2 K. K. College of Pharmacy, 1/161, Sankaralinganar Road, Girukambakkam, Chennai-602 101, IN
1 Department of Pharmaceutical Science, Vels College of Pharmacy, Vels University, Pallavaram – 143, IN
2 K. K. College of Pharmacy, 1/161, Sankaralinganar Road, Girukambakkam, Chennai-602 101, IN
Source
Research Journal of Pharmacognosy and Phytochemistry, Vol 2, No 5 (2010), Pagination: 381-385Abstract
Rubus racemosus is commonly known as cheethi in Tamil. Traditionally it is used as an antidiabetic, abortifacient, muscle relaxant and free radical scavenging agents. Infusion of leaves was administered to stop diarrhea and some bleeding. There was no report on the pharmacognostic study of plant and hence the present investigation deals with anatomical, microscopical, fluorescence analysis, quantitative microscopy, determination of leaf constants, physiochemical, thin layer chromatography and high performance thin layer chromatography. Phytochemical studies showed the presence of flavanoids, saponin, terpenes, glycosides and phenols.Keywords
Rubus racemosus, Transverse Section, TLC, HPTLC.
- Nitric Oxide Radical Scavenging Activity of the Ethanolic and Chloroform Extracts of Ocimum basilicum Linn. Leaves–A Comparative Study
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Authors
Affiliations
1 Department of Pharmacognosy, SRM College of Pharmacy, Kattankulathur-603203, Tamilnadu, IN
1 Department of Pharmacognosy, SRM College of Pharmacy, Kattankulathur-603203, Tamilnadu, IN
Source
Research Journal of Pharmacognosy and Phytochemistry, Vol 9, No 4 (2017), Pagination: 215-218Abstract
The aim of the present study is to investigate the efficiency of ethanolic and chloroform extracts of Ocimum basilicum Linn. leaves belonging to the family Labiatae for its in vitro antioxidant activity. The present study provides pharmacognostical, physicochemical and phytochemical details of the leaves of Ocimum basilicum which are useful in laying down standardization and pharmacopoeia parameters. In microscopic studies, transverse section (TS) of the leaves and its powder characters were studied and its characteristic features were established. Physicochemical parameters such as total ash value, acid insoluble ash value and water soluble ash value were determined. Preliminary phytochemical analysis of alcoholic extract and chloroform extract was carried out. The results of preliminary phytochemical screening were positive for flavonoids, carbohydrates, alkaloids, glycosides, proteins and saponin. The antioxidant potential of the chloroform and ethanol extract was evaluated using nitric oxide scavenging methods. It was found that the ethanolic extract showed better antioxidant effect compared to the chloroform extract.Keywords
Ocimum basilicum, Pharmacognostic, Microscopy, Antioxidant, Nitric Oxide Scavenging.References
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