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Phenolic composition and nutritional attributes of diaphragma juglandis fructus and shell of walnut (Juglans regia L.)

文献类型： 外文期刊

作者： Hu, Qiang 1 ; Liu, Jia 2 ; Li, Jun 2 ; Liu, Hui 2 ; Dong, Nan 2 ; Geng, Yang-yang 4 ; Lu, Yang 2 ; Wang, Yan 1 ;

作者机构： 1.Leshan Normal Univ, Coll Life Sci, Leshan 614000, Peoples R China

2.Guizhou Acad Agr Sci, Inst Food Proc Technol, Guiyang 550006, Peoples R China

3.Bamboo Dis & Pests Control & Resources Dev Key La, Leshan 614000, Peoples R China

4.Guizhou Inst Walnut, Guiyang 550005, Peoples R China

关键词： Diaphragma juglandis fructus; Walnut shells; Nutritional analysis; Phenolic acid fraction

期刊名称：FOOD SCIENCE AND BIOTECHNOLOGY （ 影响因子：2.391； 五年影响因子：2.108 ）

ISSN： 1226-7708

年卷期： 2020 年 29 卷 2 期

页码：

收录情况： SCI

摘要： Phenolic composition and nutritional attributes of diaphragma juglandis fructus (Djf) and walnut shells (Ws) were investigated. Phenolic acids, hydroxybenzoic acid, isoflavone, and flavone were identified in the free phenolic fractions (FPFs) of both Djf and Ws. Bound phenolic fractions were less than FPFs both in content and diversity. The soluble dietary fiber contents of Djf and Ws were 25.56 g/100 g and 9.5 g/100 g, respectively. The contents of unsaturated fatty acids (1912.28 mg/kg and 9137.56 mg/kg, respectively) were significantly higher than that of saturated fatty acid both in Djf and Ws. The content of essential amino acids in Djf (9.67 mg/g) was significantly higher than that in Ws. More than eight types of monosaccharides were detected in Djf and Ws. The monosaccharide content of Djf (314.16 mg/g) was significantly higher than that of Ws (60.97 mg/g). Trehalose was the predominant component both in Djf (71.2%) and Ws (78.6%).

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