A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Dharamveer,
- Pharmacognostical and Phytochemical Studies on Anacardium occidentale Linn. Leaves
Authors
1 Faculty of Pharmaceutical Sciences, Jodhpur National University, Jodhpur, Rajasthan, IN
2 Nootan Pharmacy College, Vis Nagar, Gujarat, IN
3 Faculty of Pharmaceutical Sciences, Integral University, Lucknow, U.P, IN
Source
Research Journal of Pharmacy and Technology, Vol 6, No 1 (2013), Pagination: 75-79Abstract
Plants have been the basis of many traditional medicines throughout the world for thousands of years and continue to provide new remedies to mankind. Anacardium occidentale belongs to the family Anacardiaceae. The leaves possess antidiabetic, antiulcer, anti-inflammatory activities. Present work aims to highlight the pharmacognostical and phytochemical, standards of leaves of A. occidentale. The ethanolic extract was prepared by soxhlet apparatus . The total ash value, acid insoluble ash value, water soluble ash value, extractive values, loss of drying, fluorescence characters and phytochemical studies were performed. The total ash value, acid insoluble ash value, and water soluble ash value were found 4.85%,0.97% and 4.9% respectively The screening revealed the presence of alkaloids, flavanoids, tannins, carbohydrates, steroids and absence of saponins in the ethanolic extract of A. occidentale. The findings are useful in establishing a relationship between chemical composition of the leaf extract and previously reported activities of A. occidentale.Keywords
Anacardium occidentale, Physicochemical Properties, Phytochemical, Fluorescence Analysis
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- Antioxidant Activity of Sida veronicaefolia
Authors
1 Babu Banarasi Das National Institute of Technology and Management, Lucknow, UP, IN
2 Babu Banarasi Das National Institute of Technology and Management, Sector I, Dr. Akhilesh Das Nagar, Faizabad Road, Lucknow, U.P., IN
Source
Research Journal of Pharmacognosy and Phytochemistry, Vol 2, No 1 (2010), Pagination: 79-81Abstract
The present study was aimed at evaluating time dependent and dose dependent antioxidant effect of extract of Sida veronicaefolia (ESV) and the reductive capabilities of extract compared to ascorbic acid (reference).
Methods: The meristem and leaves were separated, washed with water and dried under shade. The antioxidant properties of the meristem and leaves of Sida veronicaefolia were evaluated by determining their superoxide anion radical scavenging and hydrogen peroxide scavenging activities.
Result: The phytochemical screening of plant extract showed positive reaction for psuedotannins, flavonoids, phenolic acid, choline and oxalic acid. The superoxide and hydrogen peroxide scavenging activity of ESV increased significantly with the increase in doses. The scavenging effect of various doses of ESV and reference (ascorbic acid) was found to decrease in the following order Ref (reference)>ESV (0.3mg/kg)> ESV (0.2mg/kg)>ESV (0.1mg/kg). Scavenging of Hydrogen peroxide (H2O2) by Sida extract may be attributed to their phenolic content.
Conclusion: The results obtained in the present study indicate that the ethanolic extract (ESV) exhibits free radical scavenging activity. The overall antioxidant activity of ESV might be attributed to its polyphenolic content and other phytochemicals constituents. The findings of the present study suggest that Sida veronicaefolia could be a potential source of natural antioxidant that could have great importance as therapeutic agent in preventing or slowing the progress of aging and age associated oxidative stress related degenerative diseases.