100 grams of Apple contains just 50 cal. and it doesn’t contain saturated fats are cholesterol. Apple is rich in dietary fibre which prevents absorption of LDL or bad cholesterol in the gut.

Apples are rich in antioxidant, phytonutrients, flavonoids and polyphenolics. Important flavonoids in Apple are quercetin, epicatechin, and procyanidin B2. These compounds help the body from adverse effects of free radicals.

It contains vitamin C and beta-carotene. Vitamin C is a powerful natural antioxidant which helps the body to develop resistance against infectious agents and harmful pro-inflammatory free radicals in the body.

It is a good source of the B-complex vitamins such as riboflavin, thiamine, and pyridoxine (vitamin B-6). These vitamins helps as cofactor for enzymes in the metabolism as well as in the area is synthetic functions inside the human body.

In Apple minerals like potassium, phosphorus and calcium are present in small amount. Potassium is very much important cell fluid helps to control heart rate and blood pressure and also contest the bad influences of sodium.

See the table below for in depth analysis of nutrients:

Apple fruit (Malus domestica), Fresh,
Nutritive value per 100 g,
ORAC value-5900
(Source: USDA National Nutrient data base)