Acerola fruits being sold at the central market of Macap . Acerola (Malpighia glabra) are small fruits that grow in the tropical and subtropical regions of Latin America. This typical Amazon fruit is exceptionally rich in natural Vitamin C. Acerola can be processed easily into jelly, purÂ? confectionary and sauces. Industrial processing applications includes juice manufacture to mix with other fruits to obtain juices with high ascorbic acid content. - - General: General.