“咖啡碱”的英语？

凌云白毫茶含咖啡碱4.91%, 氨基酸3.63%, 茶多酚35.6%.Lingyun Baekho tea with caffeine 4.91 % , 3.63 % amino acids, tea polyphenols 35.6 %.茶叶提取液经大孔吸附树脂二级阶段洗脱 层析分离 茶多酚咖啡碱.Through 2 - Stepwise elution chromatography , tea polyphenols ( Tp ) ...