数字农科院2.0

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

作者： Lu L.;Wang L.;Liu R.;Zhang Y.;Zheng X.;Lu J.;Wang X.;Ye J.

作者机构：

关键词： Black tea;Chemical index;Green tea;Modelling, artificial intelligence algorithm;Tea sensory quality

期刊名称： Food Chemistry

ISSN： 0308-8146

年卷期： 2024 年 441 卷

页码：

收录情况： SCIE（2024版） ; ; EI（2024版）

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 quality-prediction 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. © 2024 Elsevier Ltd

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