Analysis and comparison of aroma compositions in Biluozhenzhu tea and Tieguanyin tea leaves

Biluozhenzhu is a new formulated oolong tea,which was made from tea leaves of green tea Biluochun camellia sinensis,using the processing technique of oolong tea for reference.This paper studied and compared the aroma components of Biluozhenzhu and Tieguanyin tea.The results showed that the aroma compositions of the two varieties were similar.They both contained high content of high boiling points compounds,which were nerolidol,indole,α-farnesene and 2-phenylethanol,etc.The results also showed some difference in total essential oil and aroma compositions,owing to of the different varieties and areas.Such differences are also in accordance with their sensory quality.