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Efficient extraction of pectic polysaccharides from thinned unripe kiwifruits by deep eutectic solvent-based methods: Chemical structures and bioactivities

文献类型： 外文期刊

作者： Wu, Ding -Tao 1 ; Geng, Jin-Lei 1 ; Li, Jie 1 ; Deng, Wen 1 ; Zhang, Yao 3 ; Hu, Yi-Chen 1 ; Zou, Liang 1 ; Xia, Yu 2 ; Zhuang, Qi-Guo 3 ; Liu, Hong-Yan 2 ; Gan, Ren-You 4 ;

作者机构： 1.Chengdu Univ, Sichuan Engn & Technol Res Ctr Coarse Cereal Indus, Key Lab Coarse Cereal Proc, Sch Food & Biol Engn,Minist Agr & Rural Affairs, Chengdu 610106, Sichuan, Peoples R China

2.Chinese Acad Agr Sci, Inst Urban Agr, Res Ctr Plants & Human Hlth, Natl Agr Sci & Technol Ctr, Chengdu 610213, Peoples R China

3.Sichuan Prov Acad Nat Resources Sci, China New Zealand Belt & Rd Joint Lab Kiwifruit, Kiwifruit Breeding & Utilizat Key Lab Sichuan Prov, Chengdu 610015, Peoples R China

4.ASTAR, Singapore Inst Food & Biotechnol Innovat SIFBI, 31 Biopolis Way, Singapore 138669, Singapore

关键词： Thinned young kiwifruit; Deep eutectic solvent; Pectic polysaccharide; Structural feature; Biological function

期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.1； 五年影响因子：6.4 ）

ISSN： 2590-1575

年卷期： 2024 年 21 卷

页码：

收录情况： SCI

摘要： To promote the potentially industrial applications of thinned unripe kiwifruits, two deep eutectic solvent -based methods, including deep eutectic solvent -assisted extraction (DAE) and microwave -assisted deep eutectic solvent extraction (MDE), were optimized for the extraction of polysaccharides from thinned unripe kiwifruits (YKP). Results showed that the yields of YKP-D prepared by DAE and YKP-DM prepared by MDE were extremely higher than YKP-H prepared by hot water extraction. Furthermore, YKP-H, YKP-D, and YKP-DM were mainly composed of pectic polysaccharides, including homogalacturonan (HG) and rhamnogalacturonan I (RG I) domains. Besides, both YKP-D and YKP-DM exhibited stronger antioxidant, anti-glycosylation, and immunomodulatory effects than those of YKP-H, and their higher contents of uronic acids and bound polyphenols as well as lower molecular weights could partially contribute to their bioactivities. Overall, these results revealed that the developed MDE method could be utilized as a promising method for highly efficient extraction of YKP with superior beneficial effects.

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