1, longbeards blanching time generally a minute or two can be.

2, first of all, longbeard into the water to soak, so that it fishy gas removal, soak for a while after it into the boiling water blanching, almost a minute later, it is necessary to fish it out, because the longbeard is very easy to be scalded.

3, ordinary cleaning may be cleaned only some of the dust and impurities on the top of the longbeard, and for the longbeard above some pesticide compounds, and some fertilizer residues, cleaning is not clean, especially if the choice of cold longbeard, but also may be these impurities eaten into the stomach, which affects the body's health. In addition, and with hot water after blanching the longbeard, eating taste will be more refreshing.