Document Detail


Some essential phytochemicals and the antioxidant potential in fresh and dried persimmon.
MedLine Citation:
PMID:  16019320     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fresh persimmon contains high quantities of bioactive compounds, but is only available in the autumn and winter months. The aim of this investigation was to compare fresh and dried persimmon in order to determine whether the latter could be a substitute for fresh fruit. It was found that the contents of dietary fibers and trace elements in fresh and equivalent quantities of dried fruits were comparable. The content of total polyphenols in fresh persimmon was higher than in dried fruit, but not significantly (P > 0.05). Also the antioxidant potential in fresh persimmon as determined by all three used tests was higher than in dried fruit, but not significantly (P > 0.05). The methanol extracts of fresh and dried persimmon using the ss-carotene-linoleate model system have shown 91% and 88% of antioxidant activity at 50?microl, respectively. Radical scavenging activity with the 1,1-diphenyl-2-picrylhydrazyl (DPPH) method has shown 88% and 84% for the same extracts and the nitric oxide test showed similar results. The best correlation was found between polyphenols, ss-carotene, DPPH and nitric oxide values (R(2) ranges between 0.9535 and 0.9934). In conclusion, both fresh and dried persimmon possess high contents of bioactive compounds and have a high antioxidant potential. When fresh fruits are not available, proper dried persimmon can be successfully used.
Authors:
Soon-Teck Jung; Yong-Seo Park; Zofia Zachwieja; Maria Folta; Henryk Barton; Jadwiga Piotrowicz; Elena Katrich; Simon Trakhtenberg; Shela Gorinstein
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International journal of food sciences and nutrition     Volume:  56     ISSN:  0963-7486     ISO Abbreviation:  Int J Food Sci Nutr     Publication Date:  2005 Mar 
Date Detail:
Created Date:  2005-07-15     Completed Date:  2005-09-22     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  9432922     Medline TA:  Int J Food Sci Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  105-13     Citation Subset:  IM    
Affiliation:
Department of Food Engineering, Mokpo National University, Republic of Korea.
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MeSH Terms
Descriptor/Qualifier:
Antioxidants / analysis*
Biphenyl Compounds
Coumaric Acids / analysis
Dietary Fiber / analysis
Diospyros / chemistry*
Flavonoids / analysis
Food Preservation / methods*
Free Radical Scavengers / chemistry
Hydrazines
Hydroxybenzoic Acids / analysis
Nitric Oxide / analysis
Phenols / analysis
Picrates
Solubility
Trace Elements / analysis
Chemical
Reg. No./Substance:
0/Antioxidants; 0/Biphenyl Compounds; 0/Coumaric Acids; 0/Flavonoids; 0/Free Radical Scavengers; 0/Hydrazines; 0/Hydroxybenzoic Acids; 0/Phenols; 0/Picrates; 0/Trace Elements; 0/polyphenols; 10102-43-9/Nitric Oxide; 1898-66-4/2,2-diphenyl-1-picrylhydrazyl

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