Lotus root will turn black after heating, and pig's feet have nothing to do with the pairing, although the appearance is ugly but still can drink. Lotus root soup black because lotus root is rich in iron and tannic acid, heat will oxidize, the general color will turn red to dark; if the lotus root meets the iron will be black, so it is best to use ceramic or stainless steel utensils to cook, some people are a little more sophisticated will not use an iron knife to cut lotus root.

Additionally:

1. When frying the lotus root, the lotus root will usually turn black, if you add some water while frying, the fried lotus root will be white as jade.

2. In order to make the peeled lotus root not to become brown, you can put the peeled lotus root in dilute vinegar water for 5 minutes after soaking sassafras dry, you can make it to keep the jade white water tender and not change color.

The general public will be the lotus root skin shaved, in fact, this is a waste of time, because the lotus root skin is rich in protein and nutrients, the body is beneficial, as long as the use of a hundred cloth in the lotus root on the brush for a few times, to remove the surface of the silt will be able to.

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