Composition Profile
Verified · 2026-09-25- 01Tea polyphenols14.53–21.98 %Dry-leaf sample
- 02Theaflavins1.57–3.75 %Dry-leaf sample
- 03Aroma profile of representative productsMore than 50 aroma compounds were identified across Yinghong No. 9, Yinghong No. 1 and population-derived black tea. Alcohols averaged 67.03% of total aroma compounds, esters 12.85% and aldehydes 11.33%. Linalool, methyl salicylate, linalool oxides, nerol and nonanal together accounted for more than 60% of the total aroma profile.Dry-leaf sample
Volatiles associated with floral-fruity and sweet aroma form an important aromatic basis of representative Yingde Black Tea products.
Tea polyphenols, amino acids, theaflavins and catechins differ significantly among Yingde Black Tea cultivars. Aroma profiles in representative products are dominated by alcohols and shaped by multiple volatiles including linalool and methyl salicylate.

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