2. Nutritional composition of kiwifruit. Kiwifruit fruit its content of vitamin C is 5 to 6 times that in citrus. Contains sugar, rich protease, amino acids, vitamin C, vitamin B1. carotene and iron, calcium, phosphorus, sodium, potassium, chlorine, magnesium, pigment and other components. Kiwifruit vitamin C content is among the highest in the fruit, known as the "King of Vitamin C", every 100 grams of fresh kiwi fruit meat will contain 100 to 300 mg (even more than 400 mg) of vitamin C, than citrus is 5 to 10 times higher than the apple 20 to 80 times higher. One kiwi can provide more than twice a person's daily vitamin C requirement.