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Molecular properties and antioxidant activities of polysaccharide–protein complexes from selected mushrooms by ultrasound-assisted extraction

Paper ID Volume ID Publish Year Pages File Format Full-Text
34587 45034 2012 4 PDF Available
Title
Molecular properties and antioxidant activities of polysaccharide–protein complexes from selected mushrooms by ultrasound-assisted extraction
Abstract

Ultrasound-assisted extraction (UAE) was evaluated for isolation of polysaccharide–protein (PSP) complexes from three important medicinal mushrooms (Grifola frondosa, Coriolus versicolor and Lentinus edodes). Compared with those of conventional hot-water extraction (HWE), the PSP yield of UAE was similar with G. frondosa, notably higher with L. edodes but lower with C. versicolor, and the extraction rate of UAE was notably higher with G. frondosa and L. edodes but much lower with C. versicolor. The PSPs from all three mushrooms by UAE had higher protein but lower carbohydrate contents than those by HWE, and their molecular weight (MW) profiles exhibited an overall shift to lower MW and a major low-MW peak near 1.0 kDa. All PSPs from UAE but none from HWE exhibited 3–4 distinct protein bands between 10 and 130 kDa. The antioxidant activities of PSPs extracted by UAE were generally higher than those by HWE.

► Ultrasound-assisted extraction (UAE) of PSPs from mushrooms was evaluated. ► PSPs attained by UAE had higher protein contents and antioxidant activities. ► UAE was more favorable than hot water extraction of bioactive PSPs. ► UAE efficiency depended on particle morphology and aggregation.

Keywords
Ultrasonic extraction; Mushrooms; Polysaccharides; Proteins; Molecular weight
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Molecular properties and antioxidant activities of polysaccharide–protein complexes from selected mushrooms by ultrasound-assisted extraction
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 47, Issue 5, May 2012, Pages 892–895
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us