番石榴为桃金娘科植物番石榴的成熟果实。我国广东、广西、四川、福建等地均有分布。夏、秋季采摘成熟果实鲜用或晒干备用。本品含有维生素C、果糖、葡萄糖、蔗糖、谷氨酸等。树皮、根、叶、果含有鞣质。实验证明,叶的醇浸出物和水煎剂对金黄色葡萄球菌有抗菌作用。中医认为,本 Guava is the ripe fruit of the myrtle plant guava. China’s Guangdong, Guangxi, Sichuan, Fujian and other places are distributed. Summer and autumn picked ripe fruit or sun dried spare. This product contains vitamin C, fructose, glucose, sucrose, glutamic acid and so on. Bark, roots, leaves, fruits contain tannins. Experiments show that leaf alcohol extract and decoction of Staphylococcus aureus antibacterial effect. Chinese medicine believes that this