Why do chestnuts turn black after being cooked? How long can chestnuts be left after being cooked?

Yesterday, I bought some raw chestnuts at the vegetable market and prepared to cook them myself, but after cooking, the chestnuts turned black. Why?
Why do chestnuts turn black after being cooked?
1. Dyeing: The shell of chestnuts is brown. During the process of cooking chestnuts, the pigment contained in the shell will dissolve into the water. At this time, the water used to cook chestnuts will turn into a darker color, so it will Make chestnut meat dyed black.
2. Oxidation: Chestnuts contain high starch. If the cooking time is too long, it will turn black due to oxidation. Generally, the longer the time bbw dildo lesbian double dildo , the heavier the blackening will be. If you want to keep the black, then you can add some white vinegar to cook the chestnuts together.
How long can chestnuts last after they are cooked?
3-5 God.
Because chestnuts are generally ripe and marketed in autumn and winter, when the weather temperature is low and the growth and reproduction of bacteria is slow, chestnuts can generally be placed for 3-5 days after being cooked.
However, as the storage time extends, the starch contained in the chestnuts will also "rejuvenate". At this time, the chestnuts will not taste very good, and the nutrients will also be lost to a certain extent, so it is recommended that it is best to eat them as soon as possible, which will be better.
Do chestnuts still need to be stir-fried after they are cooked?
It is generally not needed.
Chestnuts contain a certain amount of water after being cooked, and the taste itself is relatively soft, waxy and fragrant. At this time women vibrator , they can be eaten directly and generally do not need to be fried.
If you want to stir-fry chestnuts, you can directly clean the chestnuts first, then use a knife to make a small opening on the top of the chestnuts, and finally put them into the pot, add a little salt and stir-fry them together. During the frying process, you should also stir fry them constantly to avoid becoming burnt due to uneven heating.
Can chestnuts be frozen after being cooked?
Yes.
Cooked chestnuts contain less water. If you can't finish them for the time being, you can put them in a fresh-keeping bag and store them in the freezer of the refrigerator. This way, they can usually be stored for 1-3 months. Next time, you can defrost and heat them when you need to eat.
However, it is recommended to peel off the shell and inner membrane of the chestnut first, and dry the moisture on the surface before freezing, so that it will be more convenient to defrost next time.