采用高压灭菌锅和高压锅产生的高温蒸汽处理茶鲜叶，研究高温蒸汽处理对绿茶中没食子儿茶素没食子酸酯（GCG）含量的影响。
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 .
高压灭菌锅