| Antioxidant activities and antioxidative components in the surf clam, Mactra veneriformis. | |
| | |
MedLine Citation:
|
PMID: 21756123 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
|
Aqueous (ET1) and alcoholic (ET2) extracts from Mactra veneriformis were studied for their antioxidant potentials using various in vitro assays. The ET2 was fractioned into four parts according to the polarity of the extractive medium, viz. ET2-p (petroleum ether), ET2-e (ethyl acetate), ET2-n (n-butanol) and ET2-w (water). Among the four fractions, ET2-w showed the strongest reducing power, and highest 2,2 diphenyl-1-picrylhydrazyl (DPPH) scavenging and metal chelating activities, while the ET2-p possessed higher hydroxyl radical scavenging activities. It was found that ET2-w had large amounts of free amino acids and oligosaccharides, while ET2-p contained a large amount of unsaturated fatty acids. We conclude that amino acids, oligosaccharides and unsaturated fatty acids all contribute to the antioxidant activity of M. veneriformis. In order to elucidate the above, antioxidative components involved in the antioxidant activities were also detected. It was found that amino acids and carbohydrates were the major components of ET2-w. The amino acids were Tau (0.26%), Tyr (0.38%), Met (0.31%), Cys (0.38%), Arg (1.79%) and so on, while carbohydrates were oligosaccharides that were composed of disaccharides and trisaccharides. The unsaturated fatty acids were the major components of ET2-p, which contained a high amount of docosahexaenoic acid (9.03%) and eicosapentaenoic acid (18.49%). |
| | |
Authors:
|
He-Mi Luan; Ling-Chong Wang; Hao Wu; Yan Jin; Jing Ji |
Related Documents
:
|
15881113 - Variability in the composition of anti-oxidant compounds in echinacea species by hplc. 15545043 - Protection capacity against low-density lipoprotein oxidation and antioxidant potential... 14711703 - Role of aminotransferase ilve in production of branched-chain fatty acids by lactococcu... |
Publication Detail:
|
Type: JOURNAL ARTICLE Date: 2011-7-14 |
Journal Detail:
|
Title: Natural product research Volume: - ISSN: 1478-6427 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
|
Created Date: 2011-7-15 Completed Date: - Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 101167924 Medline TA: Nat Prod Res Country: - |
Other Details:
|
Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
|
a College of Pharmaceutical Science, Nanjing University of Traditional Chinese Medicine , Nanjing 210029 , P.R. China. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Antioxidant activity of aqueous methanol extracts of Protaetia brevitarsis Lewis (Coleoptera: Scarab...
Next Document: Identification of cognitive profiles among women considering BRCA1/2 testing through the utilisation...