Contents of Jackfruit Powder Jackfruit May be Higher in some vitamins and minerals than apples,apricots,bananas and avocados.It is rich in vitaminC,folate,niacin,riboflavin,potassium and magnesium,iron,protiens. Jackfruit is rich in several nutrients.It can act as source of complete nutrition to the consumers. Its seeds are rich in protiens and can be relished as a nutritious nut. Jackfruit powder is also the source of chemical 'Jacalin' useful in preventing colon cancer,AIDS etc.