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Effect of light on structural properties and antioxidant activities of polysaccharides from soybean sprouts

Paper ID Volume ID Publish Year Pages File Format Full-Text
34364 45019 2015 6 PDF Available
Title
Effect of light on structural properties and antioxidant activities of polysaccharides from soybean sprouts
Abstract

•Polysaccharides were extracted from light- or dark-grown soybean sprouts.•Their structural characters changed with culture condition.•Light treatment promoted their antioxidant abilities.

In the current study, the structural and antioxidant activities of polysaccharides were characterized from soybean sprouts grown in the presence or absence of light. The crude polysaccharides, PL (polysaccharides from light-grown sprouts) and PD (polysaccharides from dark-grown sprouts), were extracted by hot water method, and were further purified by chromatography of DEAE-52. Under scanning electron microscope, the smooth surface of PL was distinct from that of PD. Two purified fractions (PL3 and PD3), although both were mainly composed of arabinose, xylose, mannose, glucose and galactose, had different molecular weight, 126.61 vs. 111.94 kDa, respectively. In vitro, stronger 2,2-diphenyl-1-picryl-hydrazyl (DPPH) radical scavenging activity and ferric reducing activity power (FRAP) were observed in PL3 compared with PD3. These results indicate that light treatment can significantly enhance polysaccharides’ antioxidant activity. This work also provides a scientific basis for the further exploitation of polysaccharides from soybean sprouts grown in the light. Light treatment may have a potential application in vegetable processing industry.

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Keywords
Soybean sprouts; Polysaccharide; Light; Antioxidant activity
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Effect of light on structural properties and antioxidant activities of polysaccharides from soybean sprouts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 50, Issue 7, July 2015, Pages 1152–1157
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