Document Detail

Polyphenol contents and antioxidant activity of Brassica nigra (L.) Koch. leaf extract.
MedLine Citation:
PMID:  22103437     Owner:  NLM     Status:  Publisher    
Profound research has been done on the medicinal value of Brassica nigra (BN) seeds, and the leaves of the plant have been investigated in this study. The methanol extracts of the leaves were subjected to several in vitro studies. The antioxidant activity of methanol extract was demonstrated with a wide range of concentration, 10-500 µg mL(-1), and the antioxidant activity increased with the increase in concentration. Total phenol content was found to be 171.73 ± 5.043 gallic acid equivalents and the total flavonoid content 7.45 ± 0.0945 quercetin equivalents. Further quantification and identification of the compounds were done by HPTLC and GC-MS analyses. The predominant phenolic compounds determined by HPTLC were gallic acid, followed by quercetin, ferulic acid, caffeic acid and rutin. The free radical quenching property of BN leaf extract suggests the presence of bioactive natural compounds.
R Rajamurugan; N Selvaganabathy; S Kumaravel; Ch Ramamurthy; V Sujatha; C Thirunavukkarasu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-21
Journal Detail:
Title:  Natural product research     Volume:  -     ISSN:  1478-6427     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101167924     Medline TA:  Nat Prod Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a PG & Research Department of Biochemistry , M.G.R. College , Hosur 635 109 , India.
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