Apple
have a red, yellow, green, pink, or russetted coloured skin. Additionally there exists also a wide range of bi- or tri-colored cultivars. The skin of the [...] the apple is protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured exocarp. Sometimes their flesh is also pink or yellow [...] It is the most common cultivated species of the genus Malus. Currently, more than 7,500 known varieties of apples are being cultivated, each with their