Guava (Psidium guajava)
Guava (Psidium guajava), is a tropical plant from Brazil, which then spread to many other tropical countries, and became a popular fruit in there. Has a green rind when young and turn yellow when ripe and have white or red meat fruit and sweet-sour taste, Guava contain a lot of vitamin C. Guava leaves contain tannins, eugenol (essential oils), fatty oil, resin, tannin substances, triterpinoid, apfel acid. While fruit contains amino acids (tryptophan, lysine), calcium, phosphorus, iron, sulfur, vitamin A, B1, and C, however, guava leaf not common to consume and only used as part of herbal medicine. These plants include Myrtaceae family, grown in the lowlands to the highlands 1,200 meters above sea level; in loose soil to clay soils, especially in open areas and plenty of water.