
Cornstarch
Categories
| Macros | per 100 g |
|---|---|
| Calories | 381 kcal |
| Protein | 0.3 g |
| Fat | 0.1 g |
| Carbs | 91.3 g |
Cornstarch is a fine white powder extracted from the endosperm of corn kernels, used almost exclusively as a thickening agent in cooking rather than eaten on its own. It appears in sauces, gravies, soups, puddings and baked goods, typically in small quantities of one to two tablespoons per recipe. Per 100 g, cornstarch provides 381 kcal, 0.3 g of protein, 0.1 g of fat and 91.3 g of carbohydrates, with virtually no sugars and only 0.9 g of dietary fibre — reflecting its highly refined nature. Mineral content is minimal, with 13 mg of phosphorus and 9 mg of sodium per 100 g. No glycemic index is provided in the data. Cornstarch is suitable for vegan, vegetarian, pescatarian, gluten-free, dairy-free and low-FODMAP dietary patterns.
How many calories in cornstarch?
Cornstarch contains 381 kcal per 100 g, making it calorie-dense by weight. In practice, a typical tablespoon (about 8 g) used to thicken a sauce contributes roughly 30 kcal.
Is cornstarch gluten-free?
Yes, pure cornstarch is gluten-free, as it is derived entirely from corn with no wheat, barley or rye involved. It is also listed as low-FODMAP, making it a common thickener in gluten-sensitive and digestive-friendly cooking.
Is cornstarch healthy?
Cornstarch is almost entirely carbohydrate (91.3 g per 100 g) with negligible protein (0.3 g), fat (0.1 g) and fibre (0.9 g), and very low levels of minerals. It functions as a functional ingredient used in small amounts rather than a meaningful source of nutrients.
Diets
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Glycemic Index
approximateMacros · per 100 g
| Macros | Amount |
|---|---|
| Calories | 381 kcal |
| Protein | 0.26 g |
| Fat | 0.050 g |
| Carbs | 91.3 g |
| Sugars | 0 g |
| Fiber | 0.90 g |
| Fats breakdown | Amount |
|---|---|
| Saturated | 0.009 g |
| Monounsaturated | 0.016 g |
| Polyunsaturated | 0.025 g |
| Omega-3 | 0 g |
| Cholesterol | 0 mg |
| Minerals | Amount |
|---|---|
| Calcium | 2.0 mg |
| Iron | 0.47 mg |
| Magnesium | 3.0 mg |
| Phosphorus | 13.0 mg |
| Potassium | 3.0 mg |
| Sodium | 9.0 mg |
| Zinc | 0.060 mg |
| Copper | 0.050 mg |
| Manganese | 0.053 mg |
| Selenium | 2.8 mcg |
| Vitamins | Amount |
|---|---|
| Vitamin A | 0 mcg |
| Retinol | 0 mcg |
| Vitamin C | 0 mg |
| Vitamin D | 0 mcg |
| Vitamin E | 0 mg |
| Vitamin K | 0 mcg |
| Thiamin (B1) | 0 mg |
| Riboflavin (B2) | 0 mg |
| Niacin (B3) | 0 mg |
| Pantothenic acid (B5) | 0 mg |
| Vitamin B6 | 0 mg |
| Folate (B9) | 0 mcg |
| Vitamin B12 | 0 mcg |
| Choline | 0.40 mg |







