The common durian on the market is the maturity of 7, 8 points, until the durian ripe to 9, 10 points when some durians will crack, this is a normal ripening phenomenon, but there are some durians even after the ripening of the durian will not be open, such durians can be judged ripe to open the food, if it is not ripe durians, you can leave it for a period of time, such as durians naturally ripe to eat, therefore, generally does not appear to be the case of the durian. , generally there is no durian has not been opening bad situation.