Iron pan frying vegetables, iron ions in the iron pot of the composition will be free with the temperature of the pot, but generally harmless.

Solution of iron pot blackening method:

1, the newly purchased iron pot with clean water, pour the water out, and then placed on the stove with fire until hot.

2, a bowl of vinegar poured into the pot, to be issued when the "squeak" sound, with a cooking broom in the pot around the wash a few rounds, and then pour off the vinegar, wash the pot with water. With this method to deal with the new pot, make the dish flavorful, and will not turn black.