Ten compounds were isolated from Qianliang tea, a kind of dark tea fully fermented from the leaves of Camellia sinensis （L.） O. Kuntze vat. sinensis, and identified .as N-（2-hydroxyphenyl）-2-pyrrolidinone （1）, p...
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Ten compounds were isolated from Qianliang tea, a kind of dark tea fully fermented from the leaves of Camellia sinensis （L.） O. Kuntze vat. sinensis, and identified .as N-（2-hydroxyphenyl）-2-pyrrolidinone （1）, p-hydroxyacetophenone （2）, salicifoliol （3）, （-）-3-hydroxy-/q-ionone （4）, p-hydroxy ethyl ciunamate （5）, ethyl 4-（sulfooxy）benzoate （6）, （＋）-matairesinol （7）, （-）-pinoresinol （8）, （＋）-lirioresinol-A （9）, and caffeine （10）, among which compound 1 was isolated as a new natural product, and compound 6 was isolated from Theaceae family for the first time. Compounds 3, 4, 5, 7, 8, and 9 were isolated from this species for the first time.
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