The results showed that these samples were clearly classified into 9 different groups, suggesting that there may be significant differences in non-volatile metabolism between different groups ( Figure 1D ).
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Widely targeted metabolomics and SPME-GC-MS analysis revealed the quality characteristics of non-volatile/volatile compounds in Zheng'an Bai tea.
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The sentences
While substances such as alkaloids, lignins and nucleotides generally showed an increasing trend during the processing.