2 Year Wencheng Waxy Yam Pesticide Residue Investigation and Quality Evaluation

文献类型： 外文期刊

第一作者： Chen, Liping

作者： Chen, Liping;Liu, Yuhong;Zheng, Weiran;Sun, Caixia;Xu, Dalun;Lu, Baiyi

作者机构：

期刊名称：ACS OMEGA （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN： 2470-1343

年卷期： 2024 年 9 卷 13 期

页码：

收录情况： SCI

摘要： Wencheng waxy yam is famous for its glutinous and resilient taste, similar to waxy rice, but there is currently a lack of systematic research on the quality of this featured product, and little is known about its pesticide residues. We carried out a 2 year investigation of Wencheng waxy yam at seven sites from 2021 to 2022 to determine the oxidase content and phytochemical characteristics, namely, amylose, amylopectin, protein, reducing sugar, and mineral contents, such as K, Fe, and Zn, including the status of pesticide residues. The results showed that the oxidase content was affected by rainfall, and adequate water reduced the production of oxidase, including polyphenol oxidase, peroxidase, and superoxide dismutase, during the late growth stage of waxy yam, which was beneficial for reducing browning in yam processing. Radar map analysis showed that, with comprehensive evaluation, standardized production sites 1 and 2 had a relatively higher quality than 3-7 with small farmers. The results of pesticide multiresidue testing showed that no pesticides were detected in 64.29% of the samples, and the detected residues in the samples were very low, making the consumption of yam safe for consumers. These findings could be beneficial for the exploitation of the health benefits of waxy yam tubers and the innovation of yam-based functional products.

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