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Optimization and identification of non-extractable polyphenols in the dietary fiber of jackfruit (Artocarpus heterophyllus Lam.) pulp released by alkaline, acid and enzymatic hydrolysis: Content, composition and antioxidant activities

文献类型： 外文期刊

作者： Zhang, Xingjie 1 ; Zhu, Kexue 1 ; Xie, Jianhua 1 ; Chen, Yi 1 ; Tan, Lehe 2 ; Liu, Shuai 1 ; Dong, Ruihong 1 ; Zheng, Yut 1 ;

作者机构： 1.Nanchang Univ, State Key Lab Food Sci & Technol, China Canada Joint Lab Food Sci & Technol Nanchan, 235 Nanjing East Rd, Nanchang 330047, Jiangxi, Peoples R China

2.Chinese Acad Trop Agr Sci, Spice & Beverage Res Inst, Wanning 571533, Hainan, Peoples R China

关键词： NEPP; Jackfruit dietary fiber; Response surface methodology; UPLC-ESI-QTOF-MS; Free radical scavenging capacity

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.952； 五年影响因子：5.383 ）

ISSN： 0023-6438

年卷期： 2021 年 138 卷

页码：

收录情况： SCI

摘要： The study presented the first comparison of content and composition along with the antioxidant activities of nonextractable polyphenols (NEPP) in the dietary fiber of jackfruit pulp (JDF) released by alkaline, acid and enzymatic hydrolysis. Firstly, the NEPP extraction was optimized by response surface methodology (RSM), and the alkaline hydrolysis extract contained the most abundant content. Besides, the composition of extracts were characterized by UPLC-ESI-QTOF-MS/MS and the alkaline hydrolysis extract possessed most diverse NEPP (4 phenolic acids and 13 flavonoids). Moreover, the antioxidant activities of NEPP were tested by ABTS(center dot+), ORAC and PSC scavenging ability assays, the antioxidant activities of alkaline hydrolysis extract were significantly highest among three extracts. This study provided available evidence for the NEPP released from dietary fiber (DF) by different methods, and revealed alkaline hydrolysis extract promising potential as a natural source of health care products.

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