An antimicrobial agent was extracted from the stem of water chestnut with water, acid, or ethylalcohol.

• 从马蹄叶茎中可以提取出具有对细菌、酵母菌和霉菌较强的抑菌物质,它对细菌的抑菌能力比对酵母菌和霉菌强。