数字农科院2.0

Polyphenol nanoparticles of millet, rice and wheat: extraction, identification, functional and morphological characteristics

文献类型： 外文期刊

作者： Xiu, Tiantian;Liu, Peng;Zhang, Shuangling;Du, Dehong;Xue, Changhui;Hu, Yue;Yang, Shuo;Dongye, Zixuan;Kang, Mengchen;Li, Zhenru;Wang, Li

作者机构：

关键词： antioxidant;Gingerenone A;high-speed shear;hypoglycaemic;polyphenols;alpha-amylase

期刊名称： INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY

ISSN： 0950-5423

年卷期： 2022 年

页码：

收录情况： SCIE（2022版） ; EI（2022版）

摘要： Polyphenols complexes were extracted from Common millet (CM), Long-grain rice (LGR) and Huaihe wheat (HW), purification method, components and functional characteristics were studied. Higher phenol content (18.7 in CM, 12.9 in LGR and 22.3 mg g(-1) in HW) was obtained by the high-speed shear, with high antioxidants (DPPH 89.2% in HW, ABTS 81.6% in LGR, FRAP 0.83 in HW) after purified. Thirteen typical polyphenol complexes were identified from 21 peaks by UHPLC-LTQ-Orbitrap-MS/MS. Gingerenone A was first detected in CM, HW and LGR; (+/-)-Gingerol was first detected in CM and HW. Morphology by TEM displayed a rough spherical structure with 200-500 nm. Peculiarly contained hydroxyl polyphenol (5-(3,4-Dihydroxyphenyl) valeric acid, Apigenin-8-C-xylosyl-6-C-glucoside), polyphenols with B-rings (Trans-cinnamic acid, Gingerenone A) and the highest contents (+/-)-Gingerol with hydroxyl and Sinapinic acid with B-rings, CM had a higher alpha-amylase inhibition rate (80.5%) than LGR and HW, which providing a foundation for the development of hypoglycaemic drugs.

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