Nowadays, several guava cultivars are planted around the world, including Red Land, Supreme, and Ruby. They can commonly be found in Latin America, India, and Africa. Guava trees
Antibacterial Peptide from Guava Seeds are able to grow fast, and produce fruit between 2 and 4 years after seed germination. Trees aged 30—40 years have been found, but it is known that productivity declines around the fifteenth year. The guava tree is commonly considered a drought-tolerant plant; nevertheless, in regions with low humidity, lack of irrigation during the period of fruit development can reduce the size of the fruits. Ripe guavas bruise easily, and are very fragile. Fruits for processing may be harvested by automatic tree-shakers and plastic nets, but for fresh-fruit marketing and shipping, the fruits must be collected when full grown but under-ripe, and handled with immense care. After grading for size, fruits should be individually wrapped.
Guava fruits are commonly consumed in natura, but also in the form of jellies, juices, and icecreams, and, in Brazil, a candy known as goiabada. Moreover, since guava is extremely rich in vitamins A, B, and C (180—300 mg of vitamin C per 100 g of fruit), showing higher concentrations than oranges and lemons, this fruit is highly appreciated by populations in developing countries both as a functional food and as a natural medicine.
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