以菌核侧耳东华虎奶-1号为菌株,以银杏叶作为主要基质进行固态发酵。结果表明,该发酵的适宜培养基为:银杏叶87%,黄豆粉9%,玉米粉3%,食用石膏粉1%;培养基湿度为55%;发酵终点为菌丝布满培养基后48 h,发酵茶中粗多糖含量为11.45%,发酵茶浸出液粗多糖含量为2.06 mg/mL。

The solid-state fermentation of Ginkgo leaves by one strain of Pleurotus tuber-regium(Fr.) Sing was studied to get Functional healthy tea.The results showed that the suitable fermentation medium is: Ginkgo leaf 87%,soybean flour 9%,corn flour 3%,gypsum powder for food 1%;medium humidity 55%.The end-point of fermenta-tion was 48 hours after the Pleurotus tuber-regium(Fr.) Sing hyphae all covered medium.The polysaccharide content of the fermented tea was 11.45 %,and polysaccharide content was 2.06 mg/mL in the leaching water of the fermen-ted tea.