highly significantP < 0.01
amino acids, phenylalanine metabolism, ABC transporters, 2-oxocarboxylic acid metabolism, aminoacyl-tRNA biosynthesis, fatty acid biosynthesis, phenylalanine and tyrosine and tryptophan biosynthesis, and biosynthesis of alkaloids derived from terpenoid and polyketide, and had differences that were highly significant at the 0.01 level (i.e., P < 0.01) (Fig. 2 ); (2) In the TR/MR comparative group, the top-10 KEGG pathways include the ABC transporters, biosynthesis of alkaloids derived from terpenoid and polyketide, cholinergic synapse, taste transduction, 2-oxocarboxylic acid metabolism, biosynthesis of alkaloids derived from skikimate pathway, carbohydrate digestion and absorption, mineral absorption, beta-alanine metabolism and phenylalanine, and tyrosine and tryptophan biosynthesis.