It must be broken. Normally it should be white. As shown in the picture below

? Efficacy of mangosteen:

Mangosteen contains a special substance that has the effect of reducing dryness, cooling and antipyretic, which enables mangosteen to overcome the heat and dryness of durian. In Thailand, people regard durian and mangosteen as the "husband and wife fruit". If you get angry after eating too much durian, eating a few mangosteens will relieve the symptoms. Mangosteen is rich in protein and lipids, which has a good nourishing effect on the body, and has a good nursing effect on the weak, malnourished, and after illness.