Polysaccharides from Laminaria japonica: Structural characteristics and antioxidant activity
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- 作者：Chun Cuia ; Jianghong Lua ; Dongxiao Sun-Waterhousea ; Lixia Mub ; c ; d ; Weizheng Suna ; Mouming Zhaoa ; Haifeng Zhaoa ; hfzhao@scut.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Polysaccharide ; Laminaria japonica ; Antioxidant activity ; Glycosidic linkages ; Sulfate group
- 刊名：LWT - Food Science and Technology
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：73
- 期：Complete
- 页码：602-608
- 全文大小：674 K
文摘
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Polysaccharides were obtained by a joint extraction of hot water and citric acid.
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Three polysaccharides LJPA-P1, LJPA-P2 and LJPA-P3 were purified and characterized.
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LJPA-P3 showed the highest ORAC and ABTS radical cation scavenging activity.
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Sulfation, monosaccharide composition and glycosidic linkage affected activity.
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Molecular weight seemed less critical for both the ORAC and ABTS activities.