Guava (Psidium guajava Linn1) belongs in Myrtaceae. Other names of guava are Fan Ren, Jishi Fruit, Fan Tao. They are firstly found in tropical America, and are distributed in tropical and subtropical regions of the world, and are in the wild area or near the village. They are cultivated in Guangxi, Guangdong, Fujian, Sichuan and Jiangxi provinces in China, and rich in Taiwan.
There will produce by-products that are unripe fruits and leaves in the process of planting guava. Both of there two by-products ...