灰树花（Grifolafrondosa），又名栗子蘑，舞茸（日本名），是多孔菌科的一种食、药用真菌，它形似珊瑚，肉质脆嫩、营养丰富、风味独特。现代研究资料表明，灰树花还具有提高人体免疫力、抑制肿瘤、调节体内微循环、促进人体肪代谢、健体瘦身等功效，是颇具开发前景的珍贵真菌 Grifola frondosa, also known as chestnut mushroom, Maitake (Japanese name), is a food and medicinal fungus of Polyporidae that resembles coral, with tender meat, rich nutrition and unique flavor. Modern research data show that Grifola frondosa also has the effect of improving human immunity, inhibiting tumors, regulating the microcirculation in the body, promoting human body metabolism, weight-loss and other health, is quite the development prospects of precious fungi