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Original Article

J App Pharm Sci. 2016; 6(4): 139-145


Vitamin C, total polyphenols and antioxidant activity in raw, domestically processed and industrially processed Indian Chenopodium quinoa seeds

Intelli Kaur, Beenu Tanwar, Manju Reddy, Ambika Chauhan.


Abstract

Total antioxidant activity, Vitamin C and total polyphenols were determined for the first time in Indian Chenopodium quinoa seeds. The raw seeds were subjected to domestic processing method by soaking and germination to see the effect on antioxidant activity, Vitamin C and total polyphenols as compared to the industrially processed seeds. Antioxidant activities were determined by DPPH and FRAP method. Total phenolic content and flavonoid was determined colorimetrically and vitamin C by N- bromosuccinimide (NBS) method. The results show that domestically processed seeds have higher vitamin C, total phenolic content (TPC), total flavonoid content (TFC) and also antioxidant activity as compared to the raw and industrially processed seeds. Antioxidant activity was found significantly correlated to the total phenolic content in raw, domestically processed and industrially processed seeds. Domestically processed quinoa, mainly by germination is reported to be rich in antioxidants, vitamin C and higher phenolic content. The results suggest use of domestic processing of quinoa seeds to retain nutrient value and also infer dietary importance of Indian Chenopodium quinoa.

Key words: quinoa, antioxidant activity, vitamin c, phenol, flavonoid






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