Composition Profile
Verified · 2026-09-26- 01Aroma composition of Baihao YinzhenAlcohols accounted for 70.74% of the aroma extract. Major components included β-linalool and its oxides, geraniol, methyl salicylate, phenethyl alcohol and benzyl alcohol, with relative proportions of about 35.70%, 23.47%, 5.87%, 7.06% and 2.02% respectively.Dry-leaf sample
- 02Total anthocyanin glycosidesSpecial Grade Baihao Yinzhen: 83.80±3.64 μg/g; Grade 1: 88.70±8.62 μg/g.Dry-leaf sample
- 03Storage metabolome in Rucheng Baimaocha Baihao YinzhenA total of 349 differential metabolites were identified. Compared with one-year storage, seven-year samples showed overall increases in alkaloids, amino acids and derivatives, lipids, nucleotide derivatives, organic acids and terpenes, while flavonoids tended to decline.Dry-leaf sample
Alcohols and linalool-related compounds are important parts of its aroma profile. Anthocyanin glycosides differ by grade, and storage can significantly reshape the metabolome in specific Baihao Yinzhen made from Rucheng Baimaocha material.

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