Chestnut is one of the lowest calorie nuts. Its low calorie count and other nutritional benefits make it a healthy snack option. 1 cup of roasted chestnuts which contain around 17 kernels contains approximately 350 calories out of which 28 calories come from fat. An equal quantity of roasted chestnut contains around 3.1 grams of fat out of which 0.59 grams is saturated fat, 1.2 grams is polyunsaturated fat and 1.1 grams is monounsaturated fat. The total sodium content in roasted chestnut is 2.9 mg and potassium content is 846.6 mg. The total carbohydrate content in an equal amount of roasted chestnut is 75.7 grams out of which 7.3 grams are dietary fiber and protein content is 4.5 grams.
Popular serving units of chestnuts are 1 oz or 2 oz. 1 oz of chestnut contains around 57 calories. It has 11 grams of carbohydrates, 1 gram of proteins and an equal amount of fat content. While 2 oz of chestnut has 113 calories, 23 grams of carbohydrates and 2 grams of proteins and fats each. The raw form of chestnut is also a rich source of Vitamin C, Vitamin B6, Thiamin and Copper.
100 grams of roasted chestnut contains 245 kcal which is quite less as compared to the other nuts. The fat content in chestnut is also very low and what makes these nuts even more light and healthy is that most of the fat content it has is unsaturated fat; it does not have any gluten. The carbohydrate content in chestnut is quite high and 86% of the calories in chestnut come from carbohydrates. 100 grams of raw chestnut contains 40 mg of Vitamin C while an equal amount of roasted chestnut has 26 mg of Vitamin C. It is also advised to those who are anemic as it boosts the iron levels.