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Patatin primary structural properties and effects on lipid metabolism

文献类型： 外文期刊

作者： Wu, Jinhong 1 ; Wu, Qiaoyu 1 ; Yang, Danlu 1 ; Zhou, Mi 1 ; Xu, Jingshen 1 ; Wen, Qing 1 ; Cui, Yan 1 ; Bai, Yalong 1 ; Xu, 1 ;

作者机构： 1.Shanghai Jiao Tong Univ, Sch Agr & Biol, Dept Food Sci & Engn, Shanghai 200240, Peoples R China

2.Shanghai Acad Agr Sci, Inst Agrifood Stand & Testing Technol, Shanghai 201403, Peoples R China

3.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploit, Minist Agr, Guangzhou 510300, Peoples R China

4.Fuzhou Univ, Coll Chem Engn, Coll Biol Sci & Technol, Fuzhou 350108, Fujian, Peoples R China

关键词： Patatin; Fucosylated glycoprotein; Structural property; Anti-obesity; Zebrafish

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2021 年 344 卷

页码：

收录情况： SCI

摘要： Patatin, the major protein found in potatoes, was purified and shows several isoforms. The essential amino acid content of patatin was as high as 76%, indicating that it is a valuable protein source. Patatin was an O-linked glycoprotein that contained fucose monosaccharides, as well as mannose, rhamnose, glucose, galactose, xylose, and arabinose. Patatin had a fucosylated glycan structural feature, which strongly bound AAL (Aleuria aurantia Leukoagglutinin), a known fucose binding lectin. Moreover, the lipid metabolism regulatory effects of patatin on the fat catabolism, fat absorption, and inhibition of lipase activity were measured after high-fat feeding of zebrafish larvae. Results revealed that 37.0 mu g/mL patatin promoted 23% lipid decomposition metabolism. Meanwhile patatin could inhibite lipase activity and fat absorption, whose effects accounted for half that of a positive control drug. Our findings suggest that patatin, a fucosylated glycoprotein, could potentially be used as a natural active constituent with anti-obesity effects.

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