An efficient artificial intelligence algorithm for predicting the sensory quality of green and black teas based on the key chemical indices
文献类型： 外文期刊
第一作者： Lu, Lu
作者： Lu, Lu;Liu, Ruyi;Zheng, Xinqiang;Lu, Jianliang;Ye, Jianhui;Wang, Lu;Zhang, Yingbin;Wang, Xinchao
作者机构：
关键词： Tea sensory quality; Chemical index; Black tea; Green tea; Modelling; artificial intelligence algorithm
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2024 年 441 卷
页码：
收录情况： SCI
摘要： The key components dominating the quality of green tea and black tea are still unclear. Here, we respectively produced green and black teas in March and June, and investigated the correlations between sensory quality and chemical compositions of dry teas by multivariate statistics, bioinformatics and artificial intelligence algorithm. The key chemical indices were screened out to establish tea sensory quality-prediction models based on the result of OPLS-DA and random forest, namely 4 flavonol glycosides of green tea and 8 indices of black tea (4 pigments, epigallocatechin, kaempferol-3-O-rhamnosyl-glucoside, ratios of caffeine/total catechins and epi/non-epi catechins). Compared with OPLS-DA and random forest, the support vector machine model had good sensory qualityprediction performance for both green tea and black tea (F1-score > 0.92), even based on the indices of fresh tea leaves. Our study explores the potential of artificial intelligence algorithm in classification and prediction of tea products with different sensory quality.
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