The GCG content in different tea germplasms, change of GCG content during green tea processing and the tea leaf treated with high temperature steam were studied by using the HPLC determination.

• 采用HPLC分析技术系统研究了国内茶树种质资源的GCG含量、GCG在绿茶加工过程中的变化以及高温蒸汽处理对绿茶中GCG含量的影响。