Geographical and Varietal Traceability of Chinese Jujubes Based on Physical and Nutritional Characteristics
文献类型： 外文期刊
作者： Wu, Linxia 1 ; Li, Ling 2 ; Zhang, Guoguang 2 ; Jiang, Nan 1 ; Ouyang, Xihui 2 ; Wang, Meng 1 ;
作者机构： 1.BAAFS, Inst Qual Stand & Testing Technol, 9 Middle Rd Shuguanghuayuan, Beijing 100097, Peoples R China
2.Beijing Ctr AGRIprod Qual & Safety, 6 Middle Rd Yumin, Beijing 100029, Peoples R China
关键词： Chinese jujubes; origin traceability; variety traceability; PCA; OPLS-DA
期刊名称：FOODS （ 影响因子：4.35； 五年影响因子：4.957 ）
ISSN：
年卷期： 2021 年 10 卷 10 期
页码：
收录情况： SCI
摘要： Chinese jujube fruits are known for their high nutritional and functional values. To protect advantageous regional jujube fruits, it is important to monitor quality indicators and trace the origin and variety. In this study, 31 quality indicators of Chinese jujubes collected from 6 main producing areas were determined. According to different origins and varieties, Chinese jujube fruits were divided into five and six categories, respectively. To simplify the parameters, eight of the main characteristics, namely, soluble sugar content, fresh mass, edible rate, Na, Mg, K, Zn, and cyclic adenosine monophosphate (cAMP), were screened based on multiple comparison, correlation analysis, and principal component analysis (PCA). According to the eight main parameters, it was found that that both the categorical and cross-validated classification accuracy of linear discriminant analysis (LDA) were 100%. The discrimination accuracy of the testing set samples based on the orthogonal partial least squares-discriminant analysis (OPLS-DA) model were 90 and 93% for geographical and varietal classification, respectively. This indicated that the eight main parameters could be used as the characteristic parameters for the origin and variety traceability of Chinese jujubes.
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