Long ago, it was a very bitter vegetable, but it now tastes much better. It used to be called "mad people's potatoe". It now has a much better reputation. It is used against cholesterol as well as for some diets, as it is very low in calories. It is made of 92% water. We can say that it is good for the skin, thanks to the anthocyanin, which is the natural pigment found in most vegetables. It causes the purple color which gives us protection against early skin ageing.
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