1, found some yellow substances after buying mangosteen. In fact, this is a substance secreted by the fruit itself. Generally, it is damaged during picking, or the fruit is damaged or squeezed during transportation, which leads to the secretion of those yellow mucus. This substance is harmless to human body, so you don't have to worry at all.
2. But if there are too many yellow substances on mangosteen's head, the freshness will decrease accordingly, so it is best not to eat them.