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Impact of processing on the phenolic profiles of small millets: Evaluation of their antioxidant and enzyme inhibitory properties associated with hyperglycemia.

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Relation http://ir.cftri.com/11663/
http://dx.doi.org/10.1016/j.foodchem.2014.08.010
 
Title Impact of processing on the phenolic profiles of small millets: Evaluation
of their antioxidant and enzyme inhibitory properties associated
with hyperglycemia.
 
Creator Pradeep, P. M.
Sreerama, Y. N.
 
Subject 04 Diabetes Mellitus
05 Ragi (Finger Millet)
32 Antioxidants
 
Description The effects of germination, steaming and microwave treatments of whole grain millets (barnyard, foxtail
and proso) on their phenolic composition, antioxidant activities and inhibitory properties against
a-amylase and a-glucosidase were investigated. Compositional analysis of phenolics by HPLC revealed
that vanillic and ferulic acids were the principal phenolic acids and kaempferol was the predominant
flavonoid found in raw millets. Different processing treatments brought about relevant changes in the
composition and content of certain phenolic acids and flavonoids in processed millets. Phenolic extracts
of raw and processed millets exhibited multiple antioxidant activities and are also potent inhibitors of
a-amylase and a-glucosidase. In general, germinated millets showed highest phenolic content as well
as superior antioxidant and enzyme inhibitory activities. These results suggest that germinated millet
grains are potential source of phenolic antioxidants and also great sources of strong natural inhibitors
for a-amylase and a-glucosidase.
 
Date 2015
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/11663/1/Food%20Chemistry%2C%20Volume%20169%2C%2015%20February%202015%2C%20Pages%20455-463.pdf
Pradeep, P. M. and Sreerama, Y. N. (2015) Impact of processing on the phenolic profiles of small millets: Evaluation of their antioxidant and enzyme inhibitory properties associated with hyperglycemia. Food Chemistry, 169. pp. 455-463.