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- W2352445732 abstract "The effects of cellulase-catalyzed hydrolysis and microwave treatment,separately used to enhance the extraction of polysaccharides from Laminaria japonica polysaccharides(LJPs) on the free radical scavenging activity of LJPs against hydroxyl and DPPH radicals were investigated.One-factor-at-a-time designs were use to examine the effect of enzyme dosage and hydrolysis time as well as ultrasonic-assisted extraction temperature and time on the yield of LJPs.The optimum cellulase-assisted extraction conditions were found to be 1.5%,40 ℃,5 and 2.5 h for enzyme dosage,temperature,pH and time,respectively.Antioxidant assays showed that LJPs possessed good radical scavenging activity against hydroxyl and DPPH radicals in a marked dose-dependent manner.Polysaccharides with stronger antioxidant activity were obtained by microwave-assisted extraction and cellulase-assisted extraction compared with the conventional method of waterbath extraction.Furthermore,higher enzyme dosages and prolonged microwave treatment reduced the antioxidant activity of LJPs." @default.
- W2352445732 created "2016-06-24" @default.
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- W2352445732 date "2013-01-01" @default.
- W2352445732 modified "2023-09-26" @default.
- W2352445732 title "Extraction and Antioxidant Activities of Polysaccharides from Laminaria japonica as Affected by Enzymatic Hydrolysis and Microwave" @default.
- W2352445732 hasPublicationYear "2013" @default.
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