Apple fruit features oval or pear shape. Its outer peel comes in different hues and colors depending upon the cultivar type. Internally, its crispy, juicy pulp is off-white to cream in color, and has a mix of mild sweet and tart flavor. Its seeds are bitter in taste, and therefore, inedible.
Hundreds of varieties of apples that are meant to be used either as table fruits or dessert and cooking apples grown inside the US and worldwide. Cooking apples tend to be larger in size, crispier, and tarter than dessert types.
Apples are low in calories; 100 g of fresh fruit slices provide just 50 calories. They, however, contain no saturated fats or cholesterol. Nonetheless, the fruit is rich in dietary fiber, which helps prevent absorption of dietary-LDL or bad cholesterol in the gut. The fiber also saves the colon mucous membrane from exposure to toxic substances by binding to cancer-causing chemicals inside the colon.
Apples are rich in antioxidant phyto-nutrients flavonoids and polyphenolics. The total measured anti-oxidant strength (ORAC value) of 100 g apple fruit is 5900 TE. Some of the important flavonoids in apples are quercetin, epicatechin, and procyanidin B2. Additionally, they are also good in tartaric acid that gives tart flavor to them. Altogether, these compounds help the body protect from deleterious effects of free radicals.
Apple fruit contains good quantities of vitamin-C and beta-carotene. Vitamin C is a powerful natural antioxidant. Consumption of foods rich in vitamin C helps the body develop resistance against infectious agents and scavenge harmful, pro-inflammatory free radicals from the body.