Tricky question...
Generally speaking it's a good idea to keep the skins on your fruits and vegetables--but not because they're a great source of vitamins and minerals. Quite the contrary.
In potatoes, for instance, the skin, which is a dark corky layer called the "periderm," consists mostly of dead cells filled with a waxy, largely vitaminless substance whose chief function is to protect the potato's insides.
Apple with no skin
According to www.nutritiondata.com: A medium sized apple with skin has no protein. A large apple (3.5 inch diameter) with skin has 1 gram of protein. Without the skin, the amount of protein is the same. (Above amounts are for raw apples with nothing added.)
Yes
For healthy skin the best vitamins are vitamin C, vitamin E (these help sun damage to skin). Also important for healthy skin are vitamins A, K, and B complex
skin that comes off an apple
apple green
Yes
Both are equally as important and its always better to eat an apple with the skin on! :)
Vitamin E is well known to improve the color and elasticity of the skin. Other vitamins can also be helpful, such as vitamins: C, D, and K.
Yes, The skin in semi-permeable. This means that it can absorb particles such as vitamins on a microscopic level but our body does not disintegrate when it rains! Absorption of vitamins through the skin and into the blood stream is one of the benefits of using topical lotions and oils on the skin.
apple has many good vitamins which help us grow in a good way, this means yes, apple is good
oranges