1, cold lettuce does not need to blanch, only need to be placed in lightly salted water soaked in five to ten minutes on the line, so do eat up more crisp, but also can be sterilized to remove the odor.

2, lettuce is a common life of a vegetable, is one of the most important seasonal vegetables in the autumn and winter seasons, has a crisp edible texture, taste fresh, loved by people.