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Effect of Co-60 gamma-Irradiation on Physicochemical Properties of Adlay During Storage Period

文献类型： 外文期刊

作者： Li, Guolin 1 ; Zheng, Xiuyan 1 ; Huang, Daomei 1 ; Chen, Xi 1 ; Meng, Fanbo 1 ; Lin, Mao 1 ;

作者机构： 1.Guizhou Acad Agr Sci, Integrated Agr Dev Res Inst, Guiyang 550006, Guizhou, Peoples R China

关键词： Adlay; gamma-irradiation; physicochemical properties; E-nose

期刊名称：INTERNATIONAL JOURNAL OF FOOD ENGINEERING （ 影响因子：1.713； 五年影响因子：1.637 ）

ISSN： 2194-5764

年卷期： 2019 年 15 卷 8 期

页码：

收录情况： SCI

摘要： gamma-Irradiation is applied to many agricultural products as a method for quality control. This study investigated the influence of gamma-irradiation on physicochemical properties of adlay. Adlay samples were treated with 0 to 4.0 kGy Co-60 gamma-irradiation and subsequently stored at cool temperature (8 to 10 degrees C). Hardness of all treatment groups showed no marked changes at 0 kGy but exhibited variations at 2.0 and 4.0 kGy. Linoleic acid (C18:2) was the most sensitive to irradiation among 11 fatty-acid compositions. Saturated fatty-acid (SFA) content was increased, whereas unsaturated fatty acid was reduced by dose augmentation. Types of volatile compound increased from 15 to 21, and the major compound n-hexanol was increased by 80.41 % after 4-kGy irradiation. Odor changes caused by doses of irradiation were more remarkable than those caused by 12 months of storage. Hence, we conclude that 1.0 kGy irradiation barely affects physicochemical properties during storage; it could be an alternative way to control quality of adlay during storage.

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