采用生化分析和高效液相色谱法,分析了豫南大别山区不同海拔高度茶树的主要成分。结果表明,其主要品质成分的含量为:水浸出物44.52%~46.99%(质量分数,以下同),茶多酚25.49%~30.03%,儿茶素208.49~234.18mg·g^-1,氨基酸3.86%~4.81%,可溶性糖4.61%~5.22%,叶绿素1.26~1.98mg·g^-1,咖啡碱3.11%~3.72%。综合分析,随海拔高度的升高,茶叶品质逐渐提升,海拔700m处的茶叶品质最佳。
The compositions of tea tree are analyzed by biochemical analysis and HPLC at different altitude in Dabie Mountain area of southern Henan province. The results show as follows: water extract 44. 52%- 46. 99%, tea polyphenol 25. 49%-30. 03%, catechin 208. 49 - 234. 18 mg ·g^-1, amino acid 3.86%-4. 81%, soluble sugar 4.61%-5.22%, chlorophyll 11.26-1.98 mg·g^-1, caffeine 3.11%-3.72%. The tea quality increases with alti rude increments, and the best quality is at 700 m altitude.