Apple: what it contains and why it matters
Apple is a common orchard fruit (seb). This page lists its nutritional content from published sources and explains which lab parameters it relates to.
Last reviewed: 2026-09-04
Nutritional content of apple
Per 100 g edible portion, from published composition data.
| Nutrient | Per 100 g | Source |
|---|---|---|
| EnergyRaw, with skin | 52 kcal | USDA |
| Carbohydrate | 13.81 g | USDA |
| Dietary fiber | 2.4 g | USDA |
| Sugars | 10.39 g | USDA |
| Protein | 0.26 g | USDA |
| Total lipid (fat) | 0.17 g | USDA |
| Potassium | 107 mg | USDA |
| Vitamin C | 4.6 mg | USDA |
| Calcium | 6 mg | USDA |
| Magnesium | 5 mg | USDA |
Which lab parameters does apple relate to?
Potassium
Potassium helps nerves and muscles work and helps balance the body's fluids [WHO].
Vitamin C
Vitamin C supports the immune system and helps the body absorb non-heme iron from plant foods [WHO].
Vegetarian and dietary notes
Apples are unprocessed botanical fruits suitable for vegetarian and vegan diets.
Frequently asked questions
What types of carbohydrates are present in raw apples?
Raw apples contain simple carbohydrates, mainly fructose, glucose, and sucrose, which total 10.39 g per 100 g, alongside 2.4 g of total dietary fiber per 100 g [USDA].
How much dietary fiber is found in apples?
Raw apple with skin provides 2.4 g of total dietary fiber per 100 g [USDA], consisting of both soluble fractions like pectin and insoluble fractions like cellulose.
What is the vitamin C content of a raw apple?
A 100 g serving of raw apple with skin provides 4.6 mg of vitamin C [USDA]. Vitamin C acts physiologically as an electron donor and an essential cofactor for collagen-synthesizing enzymes.
How much potassium is supplied by apples?
Raw apple provides 107 mg of potassium per 100 g [USDA]. Potassium is a major intracellular cation that participates in maintaining resting membrane potential and cellular osmotic pressure.
What is the water content of raw apples?
Water constitutes approximately 85.56 g per 100 g of edible portion in raw apples with skin [USDA].
Sources
- USDA — USDA FoodData Central, Agricultural Research Service. https://fdc.nal.usda.gov/
- WHO — World Health Organization — nutrition fact sheets. https://www.who.int/