Kiwi (green, Hayward)

Kiwi (green, Hayward)

FamilyActinidiaceae
Importance
Kiwi is the green-fleshed fruit of Actinidia deliciosa, valued for its bright tart flavor, edible seeds, fiber, vitamin C, vitamin K, vitamin E, potassium, folate, copper, and the natural proteolytic enzyme actinidin. Per 100 g, raw green kiwi provides about 61 calories, 14.7 g carbohydrate, 3.0 g fiber, 1.14 g protein, and very little fat. Its sugars occur inside a whole fruit matrix that includes soluble and insoluble fiber, organic acids, minerals, seeds, and phytochemicals. The green color comes from chlorophyll-related compounds, while its tartness comes from organic acids balanced by natural fruit sugars.

Kiwi supports everyday nourishment through vitamin C, fiber, potassium, folate, vitamin K, and actinidin. Vitamin C contributes to collagen formation, antioxidant recycling, immune barrier function, and connective tissue maintenance. Fiber supports digestive movement, stool bulk, and gut microbial fermentation. Potassium supports fluid balance, nerve signaling, and muscle contraction. Folate participates in one-carbon metabolism and DNA synthesis, while vitamin K supports normal blood-clotting protein activation and bone-related protein function. Actinidin contributes to protein breakdown during digestion.

For cancer and ailment-support nutrition, kiwi is relevant because Actinidia fruits contain vitamin C, carotenoids, chlorophyll-related compounds, flavonoids, phenolic acids, actinidin, fiber, vitamin E, and minerals connected to protective biological pathways. These include Nrf2-related antioxidant response, NF-kB inflammatory signaling balance, AMPK-linked metabolic regulation, insulin-related carbohydrate handling, endothelial function, phase II detoxification enzyme signaling, apoptosis-related cell signaling, DNA stability support through antioxidant nutrient status, and gut fermentation pathways supported by fiber. Kiwi does not act as a standalone disease solution, but the whole fruit contributes antioxidant nutrients, digestive fiber, enzyme activity, minerals, and plant compounds tied to cellular repair, inflammatory signaling balance, vascular support, digestive function, and normal metabolic regulation.

Kiwi pairs well with berries, citrus, banana, apple, pear, mango, pineapple, oats, mint, ginger, leafy greens, walnuts, almonds, and whole grains. Its strongest nutritional identity is the combination of very high vitamin C, green fruit acids, fiber, actinidin, vitamin K, potassium, folate, seeds, and Actinidia-family phytochemistry. It supports fruit diversity, digestive health patterns, antioxidant nutrient intake, protein-digestion support, carbohydrate metabolism, endothelial function, and pathways tied to cellular defense and tissue repair.
Region FoundKiwi Actinidia deliciosa originated in China and became widely commercialized through New Zealand. It is now cultivated in New Zealand, Italy, China, Greece, France, Chile, Iran, Japan, South Korea, California, and other mild temperate or subtropical regions with well-drained soils, winter chilling, protection from severe frost, and a long growing season.
Glycemic Index50.0
Glycemic Load5.85
Helps Fight These Cancers: Colon Cancer, Gastric Cancer, Oral Cavity Pharynx Larynx Cancer
Helps Fight These Ailments: Constipation, Hypertension, Hyperlipidemia
Linked Hormones:

All values per 100g
Nutrition Facts
Calories (kcal)61
Protein (g)1.14
Carbohydrates (g)14.66
Fiber (g)3
Sugars (g)8.99
Total Fat (g)0.52
Saturated Fat (g)0
Vitamins
Vitamin A (µg RAE)4
Vitamin C (mg)92.7
Vitamin D (µg)0
Vitamin E (mg)1.46
Vitamin K (µg)40.3
Vitamin B1 / Thiamin (mg)0.027
Vitamin B2 / Riboflavin (mg)0.025
Vitamin B3 / Niacin (mg)0.341
Vitamin B5 / Pantothenic Acid (mg)0.183
Vitamin B6 (mg)0.061
Vitamin B7 / Biotin (µg)0
Folate B9 (µg)25
Vitamin B12 (µg)0
Vitamin Detail Pages
Minerals
Calcium (mg)34
Iron (mg)0.31
Magnesium (mg)17
Phosphorus (mg)34
Potassium (mg)312
Sodium (mg)3
Zinc (mg)0.14
Copper (mg)0.13
Manganese (mg)0.098
Selenium (µg)0.2
Iodine (µg)0.2
Mineral Detail Pages
Amino Acids
Alanine (mg)53 mg
Arginine (mg)81 mg
Asparagine (mg)0 mg
Aspartic Acid (mg)126 mg
Cysteine (mg)31 mg
Glutamic Acid (mg)184 mg
Glutamine (mg)0 mg
Glycine (mg)60 mg
Histidine (mg)27 mg
Isoleucine (mg)51 mg
Leucine (mg)66 mg
Lysine (mg)61 mg
Methionine (mg)24 mg
Phenylalanine (mg)44 mg
Proline (mg)44 mg
Serine (mg)53 mg
Threonine (mg)47 mg
Tryptophan (mg)15 mg
Tyrosine (mg)34 mg
Valine (mg)57 mg
Amino Acid Detail Pages
Phytochemicals
Vitamin C, vitamin K, vitamin E, folate, actinidin, lutein, zeaxanthin, beta-carotene, chlorophyll-related compounds, flavonoids, phenolic acids, quercetin derivatives, caffeic acid derivatives, pectin, soluble fiber, insoluble fiber, organic acids, potassium, copper, magnesium, and Actinidia-family polyphenols. Research references: Richardson DP, Ansell J, Drummond LN. The nutritional and health attributes of kiwifruit: a review. European Journal of Nutrition. 2018. Brevik A, et al. Supplementation of a western diet with golden kiwifruits Actinidia chinensis improves biomarkers of antioxidant status and DNA stability. Nutrition Journal. 2011. Henare SJ. The Nutritional Composition of Kiwifruit Actinidia spp. Nutritional Composition of Fruit Cultivars. 2016.
Research & Notes
Research Notes:
USDA FDC No. 09148 per-100 g panel; amino acids mg→g (cystine → cysteine).
Notes:
Raw green kiwifruit flesh & seeds; per 100 g.
Created: 2025-10-21 11:18:57
Last Updated: 2026-06-04 08:05:23