The bacteriostatic effect of extracts from Polygonum cuspidate with a series of bacterium and fungi was studied, and compared with sodium benzoate.Antimicrobial effect on typical food was experienced.

• 测试虎杖提取物对食品腐败菌的抑制作用,与苯甲酸钠的抑菌效果相比较,并选择有代表性的食品进行防腐试验。