Abstract
The composition of kiwifruit is important for understanding the nutritional value of kiwifruit for consumption. Our aim was to develop a reference nutritional composition profile for a gold-fleshed kiwifruit Zespri® SunGold Kiwifruit and a green-fleshed kiwifruit Zespri® Sweet Green Kiwifruit. Ten representative single-replicate (10 growers) samples, each containing 40 fruit, were prepared for both kiwifruit varieties. Samples were analysed for macronutrients, minerals, and vitamins. The analytical results reveal that the nutrient composition of SunGold and Sweet Green are largely similar to other commercially available kiwifruits. However, a key difference is the elevated levels of vitamin C in SunGold (161mg/100g edible flesh) and Sweet Green, (150mg/100g), compared to 85mg/100g commonly found for the green ‘Hayward’ variety. Levels of dietary fibre, potassium, vitamin E, and folate are similar to other commercial kiwifruit Zespri® Gold Kiwifruit (‘Hort16A’) and Green Kiwifruit (‘Hayward’), confirming kiwifruit as a good source of these nutrients.
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