Kiwi, (Actinidia deliciosa), woody vine and edible fruit of the family Actinidiaceae. The fruit has a slightly acid taste and can be eaten raw or cooked. The juice is sometimes used as a meat tenderizer. Raw kiwis are high in vitamins C and K. In a 100-gram (3.5 oz) amount, green kiwifruit provides 255 kilojoules (61 kilocalories) of food energy, is 83% water and 15% carbohydrates, with negligible protein and fat (table). It is particularly rich in vitamin C (112%) and vitamin K (38%), has a moderate content of vitamin E.