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ESTIMATION OF PHENOLICS, ANTIOXIDANT ACTIVITY, NUTRIENTS AND IN-VITRO PROTEIN DIGESTIBILITY OF DIFFERENT VARIETIES OF FOXTAIL MILLET (Setaria italica)

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Title ESTIMATION OF PHENOLICS, ANTIOXIDANT ACTIVITY, NUTRIENTS AND IN-VITRO PROTEIN DIGESTIBILITY OF DIFFERENT VARIETIES OF FOXTAIL MILLET (Setaria italica)
 
Creator SHEJAWALE DEEPALI DNYANESHWAR
 
Contributor HYMAVATHI, T.V
 
Subject millets, husking, antioxidants, grain, proteins, acidity, phenols, organic acids, aromatic compounds, biological phenomena
 
Description Six foxtail varieties grown in India were studied for their antioxidants, nutrients
and digestibility in whole, dehulled (10 and 17%) and hulls (10 and 17%) of the grain.
Total antioxidant activity was estimated by three different assays viz., Ferric reducing
antioxidant power (FRAP), DPPH radical scavenging activity (DRSA), and thiobarbituric
acid reactive substances (TBARS). Selected proximates, dietary fiber and in-vitro protein
digestibility and grain colour were also assessed. Among the six varieties, SiA-2593 had
highest mean total phenolics (TP) (143.56±55μg PE/g), tannins (413.80±58 mg/100g),
FRAP (1477.83±26 μmol/g), DRSA (81.53±6.9%) and lowest TBARS (688.04±39%)
followed by SiA-2644. Highest mean protein (11.33), dietary fiber (8.17) was found in
SiA-2593 and higher fat content in SiA-326. Maximum in-vitro protein digestibility
(IVPD) was observed in SiA-3088 and least was found in SiA-2593. Dehulling of the
grain reduced TP by 24.64 and 43.11%, tannins by 16.13% and 29.61%, FRAP by
12.09% and 18.81%, DRSA by 4.07% and 14.76% and increase of TBARS by 45.29 and
58.21% at 10 and 17% dehulling. Dehulling also reduced moisture content, fat,
dietary fiber and increased protein and protein digestibility. The hulls obtained
after dehulling had higher percentage of TP, tannins, antioxidant activity (higher
FRAP and DRSA and lower TBARS value), fat and dietary fiber, a* value of
colour and lower percentage of protein, IVPD, L* and b* values of colour. A good
positive correlation was observed between FRAP and Tannin (r=0.90, P
 
Date 2016-06-22T15:01:27Z
2016-06-22T15:01:27Z
2013
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/67739
 
Language en
 
Relation D9431;
 
Format application/pdf
 
Publisher ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY