Nutraceutical properties of Stellaria media (L.) Vill. and Persicaria chinensis (L.) H. Gross under Brahmaputra valley agro-climatic condition

Pranjal Sarmah, Aniruddha Sarma*, Debaleena Kashyap, Mantu Mahanta, Pramod Medhi

Abstract


A substantial number of herbs have been used as dietary source and plays a vital role in improving our health. Antioxidant compounds in diet play an important role as a health protecting factor. Various herbs have been reported to exhibit antioxidant activity which contains many different antioxidant compounds (i.e. vitamin C and E, carotenoids and phenolic compounds), that serve as free radical scavengers. The present study was subjected to investigate the nutraceutical property and antioxidant activity of Stellaria media (L.) Vill. (Family-Caryophyllaceae) and Persicaria chinensis (L.) H. Gross (Polygonaceae) found available in Brahmaputra Valley agro-Climatic Condition. The protein and carbohydrate content were slightly higher in case of P. chinensis than that of S. media. But the total crude fibre content was found to be more in S. media.  It has been observed that ascorbic acid and total phenolic content was higher in P. chinensis than that of S. media. Free radical scavenging activity was evaluated using 1, 1-diphenyl-2-picrylhydrazyl (DPPH) free radical. The overall antioxidant activity of P. chinensis was the stronger than that of S. media. The IC50 value of the methanolic extract of P. chinensis is 520.78± 0.79 and that of S. media is 1020 ± 0.68μg/ml. The study reveals that the use of these plants as therapeutic agent would exert several beneficial effects by virtue of their antioxidant activity and also can be a rich source of nutrition in our diet system.

Keywords


Stellaria media; Persicaria chinensis; Antioxidant activity; DPPH; Total Phenolic content; Ascorbic acid; Gallic acid.

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