Look at the shell color
Whether durian is ripe or not can be judged by the color of its shell. Generally, if its shell is golden yellow, it means it is mature. If its shell color is green, it means it is not mature enough. If the color is too dark, it means that it has been cooked, and the storage time will be shorter.
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Pinch the shell hard and soft
Judging that durian is very mature, you can also pinch the softness and hardness of the shell. If the peel is soft and elastic, and the spikes on durian can be pinched inward, such durian is generally mature; If the durian skin is thick, it can't be pressed, and the spikes are hard and inelastic, such durian mostly indicates that the maturity is not enough.
Smell the fruit
Judging whether durian is ripe or not, you can also smell the smell of durian. The ripe durian smells very strong and can be smelled at a distance of more than ten meters, while the unripe durian smells lighter. However, if durian smells like wine, it means it is overcooked, and such durian is not delicious, so it is not recommended to choose.
Look for cracks.
Mature durian will naturally crack. If there are obvious cracks in the durian shell, it means that the durian is completely mature. It is recommended to choose the durian that will crack soon. If the durian crack is relatively large, it may mean that it is too mature and the pulp inside may be broken.
Shake or not
Hold the durian with both hands (be careful not to be stabbed), and then shake it. If you can hear the obvious noise, it means that the durian is mature, because this sound is caused by the detached durian pulp hitting the durian shell; If durian shakes without obvious noise, it means that it is not mature enough.