4.4 Article

Activity-guided isolation of antioxidants from the leaves of Terminalia arjuna

期刊

NATURAL PRODUCT RESEARCH
卷 28, 期 10, 页码 760-763

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TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2013.879304

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DPPH center dot; cardioprotective; Antheraea mylitta; antioxidant

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  1. University of Delhi, Department of Science and Technology, New Delhi

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An activity-guided isolation and purification process was used to identify the l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging components of the food plant (Terminalia arjuna) of Antheraea mylitta. Dry leaves of T. arjuna were extracted with different solvents and tested for their antioxidant activity against DPPH center dot. The acetone-water (8:2) extract expressed strong DPPH radical-scavenging activity, and was subjected to column chromatography over silica gel. Gallic acid, apigenin, luteolin, quercetin, epicatechin, ellagic acid and 1-O--galloyl glucose were isolated as active components and characterised by using different spectroscopic techniques.

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