Composition Profile
Verified · 2026-09-26- 01Aroma composition of BaimudanAlcohols accounted for 60.13% of the aroma extract. Major compounds included β-linalool and its oxides, geraniol, methyl salicylate, phenethyl alcohol and benzyl alcohol, with relative proportions of about 35.40%, 11.94%, 10.72%, 6.80% and 2.71% respectively.Dry-leaf sample
- 02Aroma changes during storage of Zhenghe BaimudanAcross samples stored for 0, 5, 10 and 15 years, 66 volatile compounds were detected. Total volatiles declined significantly with storage; pekoe, fresh, sweet and floral aromas weakened while aged and woody notes strengthened. Six key differential volatiles met both rOAV>1 and VIP>1.Dry-leaf sample
- 03Total anthocyanin glycosidesSpecial Grade Baimudan: 90.59±9.59 μg/g; Grade 1: 70.67±4.88 μg/g.Dry-leaf sample
Alcohols and linalool-related compounds are important parts of the aroma profile. In stored Zhenghe samples, pekoe, fresh, sweet and floral aromas weakened over time while aged and woody notes became stronger.

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