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从多孔菌科灵芝属植物赤芝子实体中分离得到１个化合物，经化学和光谱方法鉴定为麦角甾７，２２（Ｅ）二烯３酮。
A compound was isolated from the fruiting bodies of Ganoderma lucidum, a genus of Polyporaceae, and was identified as ergot甾 7,22(E)-dien-3-ketone by chemical and spectroscopic methods.