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The edible mushroom Laetiporus sulphureus as potential source of natural antioxidants.
MedLine Citation:
PMID:  23324060     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Hot water extract (LN), partially purified polysaccharides (LP) and hot alkali extracted polysaccharides (LNa) obtained from fruiting bodies of the wild basidiomycete Laetiporus sulphureus were examined for their antioxidant activities. LNa was the most active antioxidant, as shown by the median effective concentrations (EC(50) values) of 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activity (0.5 ± 0.2 mg/ml), reducing power (4.0 ± 0.3 mg/ml) and ferrous ion-chelating ability (1.5 ± 0.1 mg/ml). LNa contained the highest level of α-glucan (17.3 ± 1.2 g/100 g dw), whereas LP contained mostly β-glucans (66.8 ± 1.3 g/100 g dw). The prevalent monosaccharide in all extracts was glucose. The EC(50) values of all three antioxidant activity assays were well-correlated with the α-glucan content. Strong and significant correlation was found between total phenolic compounds and DPPH scavenging ability and also reducing power. The three investigated extracts (at concentrations of 0.1-10 mg/ml) were not toxic to HTR-8/SVneo trophoblast cell line.
Authors:
Anita Klaus; Maja Kozarski; Miomir Niksic; Dragica Jakovljevic; Nina Todorovic; Ivana Stefanoska; Leo J L D Van Griensven
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-17
Journal Detail:
Title:  International journal of food sciences and nutrition     Volume:  -     ISSN:  1465-3478     ISO Abbreviation:  Int J Food Sci Nutr     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9432922     Medline TA:  Int J Food Sci Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department for Industrial Microbiology, Faculty of Agriculture, Institute for Food Technology and Biochemistry, University of Belgrade , Nemanjina 6, Belgrade 11080 , Serbia.
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