Blanching lotus root slices in boiling water so as not to turn black.

Cut lotus root slices can be put into boiling water blanching, and then add cold water, high heat boiling, so that the lotus root slices of substances in the inactivity, in the frying of lotus root in the time will not turn black, but the blanching time must be controlled, generally 2-3 minutes the best, too long will affect the crunchy lotus root slices, it is best to blanch and put into the cold water will be more crispy. Cold water will be more crispy.

Lotus root contains phenolics and phenol oxidase substances, and these two substances in contact with the air will be oxidized into a quinone substance, which reaches a certain amount will produce melanin, you can use high temperature to the surface of the lotus root of these oxidizable substances to destroy, so that there will be no oxidation reaction.

Lotus root, the rhizome of perennial aquatic herbs of the family Lotusaceae. The plant's rhizome is transverse, fertile; flowers float on the water surface, petals elliptic or obovate; stamens numerous, anthers yellow, stigma is radial; seeds are born in the "rosette" hole, ovate, seed coat red or white.

Lotus root preservation tips:

1, straw preservation method

Buy fresh lotus root do not immediately after cleaning, directly to the lotus root with a straw wrap up, and then and with the lotus root with the water, only need to soak the straw on the right, and then finally placed in a cool place to keep the straw does not dry on the right, so that you can probably keep it for a week. But this method works better in colder weather.

2, soil burial method

This method is the first to use wooden boards and other surrounded by a burial pit, and then put a lotus root to lay a layer of soil, but up to five or six layers of like, and then a layer of ten centimeters on top of the fine soil. However, the soil used is also a delicate matter, to be the kind of soft and moist but not into a ball of fine soil. It is also worth mentioning that the storage environment needs to avoid direct sunlight, preferably in a cool and humid place.

3, other daily preservation techniques

In addition to the above two methods, in fact, there are some small methods can be used to save lotus root. For example, you can use plastic film to cover all the lotus root, but not all sealed with plastic wrap, and every other day to breathe; has been cut and not eaten lotus root can be cut part of the plastic wrap sealed, and then refrigerated.