Psidium guajava (guava) is well known tropic tree grown in tropic areas for fruit. It is found to be effective in diarrhea, dysentery, gastroenteritis, hypertension, diabetes, caries, pain relief, cough, oral ulcers and to improve locomotors coordination and liver damage inflammation. Its skin contains a lot of phytochemicals in intuits fruit which is rich in vitamins (A & C), iron, phosphorus and calcium and minerals. The phenolic compounds in guava help to cure cancerous cells and prevent skin aging before time. The leaves contain many fungistatic and bacteriostatic agents and important oxidants. Its ethyl acetate extract contains quercetinwhich can stop the germ infection and thymus production. Guava possesses anti-viral, anti-inflammatory, anti-plaque, antinociceptive activity and anti-mutagenic activities. Due to these biological activities it is can be quite helpful for the preventions and treatments of diseases. Ethanolic extract of guava can increase the sperm quality and quantity and can be used for the treatment of infertile males.
