It is evident that the differences in total metabolite content between different grades of RGT were not significant, but there might be significant differences in the content of different metabolites, which in turn affected tea quality. 3.3 Screening of key differential metabolites in different grades of RGT The quality of different teas is related to the content of various metabolites they contain, especially some key metabolites that differ significantly between different teas and whose content contributes significantly to the formation of tea taste characteristics ( Yue et al., 2023 ).
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Taste characteristics and symbolic metabolites of Rougui tea with different grades in China.
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