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Title: Antioxidant and free radical scavenging activities of common wild greens from Tiruvallur District of Tamil Nadu, India
Authors: Jagadeesan, P
Prasad, D Arun
Pandikumar, P
Ignacimuthu, S
Keywords: Euphorbia hirta;Senna auriculata;Radical scavenging;Total phenolic;Nutraceuticals;Tamil Nadu
Issue Date: Jun-2011
Publisher: NISCAIR-CSIR, India
IPC Code: A61K 36/00, A61P 39/06
Abstract: The antioxidant and radical scavenging activities of common wild greens used by the village people in Tiruvallur District, Tamil Nadu were evaluated. Among the plants studied, the methanol extract of Euphorbia hirta Linn. was found to be rich in polyphenol content and had a low IC50 value for DPPH (78.33 µg) and hydroxyl radical scavenging (662.62 µg). It showed high antioxidant activity. The methanol extract of Senna auriculata (Linn.) Roxb. syn. Cassia auriculata Linn. flowers and Eclipta prostrata Linn., leaves were also effective. The efficacies of the other plants were in the following order: Cardiospermum helicacabum Linn.var. luridum Blume > Boerhavia diffusa Linn. > Centella asiatica (Linn.) Urban > Cissus quadrangularis Linn. > Celosia argentea Linn. > Marsilea quadrifolia Linn. > Pisonia grandis R. Br. syn. P. alba Span. > Solanum trilobatum Linn. These plants have been traditionally used by villagers without any noticeable adverse effects. The present study has indicated that the isolation of some specific compounds responsible for these activities might help in several aspects of food chemistry.
Page(s): 156-163
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJNPR Vol.2(2) [June 2011]

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