Carambola, also known as starfruit, is the fruit of Averrhoa carambola, a species of tree native to the Philippines, Indonesia, Malaysia, India, Bangladesh and Sri Lanka. The fruit is a popular food throughout Southeast Asia, the South Pacific and parts of East Asia. The tree is also cultivated throughout non-indigenous tropical areas, such as in Costa Rica, Peru, Colombia, Jamaica, Tr
inidad, Ecuador, Guyana, Dominican Republic, Puerto Rico, Haiti and Brazil, and, in the United States, in south Florida and Hawaii.
The fruit has ridges running down its sides (usually five); in cross-section it resembles a star, hence its name. The number of ridges can vary from three to six.
Carambola is rich in antioxidants and vitamin C and low in sugar, sodium, and acid. It is also a potent source of both primary and secondary polyphenolic antioxidants. A. carambola has both antioxidant and antimicrobial activities: Scavenging of NO by the fruit extract is dependent on concentration and stage of ripening. Extracts showed antimicrobial activity against E. coli, Klebsiella spp., Staphylococcus aureus, and Pseudomonas aeruginosa.
The fruit has ridges running down its sides (usually five); in cross-section it resembles a star, hence its name. The number of ridges can vary from three to six.
Carambola is rich in antioxidants and vitamin C and low in sugar, sodium, and acid. It is also a potent source of both primary and secondary polyphenolic antioxidants. A. carambola has both antioxidant and antimicrobial activities: Scavenging of NO by the fruit extract is dependent on concentration and stage of ripening. Extracts showed antimicrobial activity against E. coli, Klebsiella spp., Staphylococcus aureus, and Pseudomonas aeruginosa.
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