Polyphenol oxidases are a group of enzymes widely found in bacteria,fungi,plants and animals.The study was conducted to isolate and characterise Polyphenol oxidase from Artocarpus altilis fruit (bread fruit).In plant chloroplasts, these enzymes are usually found, although they get released from this compartment during senescence or ripening.This enzyme is responsible for the browning of many fruits and vegetables,creating an economic loss to the farmers. Many researchers have worked on extracti ...