1, the taste is different: it should be noted that the taste of round lettuce is slightly sweet, while that of wrinkled lettuce is slightly bitter. This is because there is a little more lettuce in wrinkled lettuce.

2. Different colors: wrinkled lettuce is greener than round lettuce, and wrinkled lettuce is slightly better than western lettuce in terms of chlorophyll. From the cooking point of view, round lettuce can be fried and eaten, while wrinkled lettuce is rarely made into cooked vegetables, so the cooking options of round lettuce are wider.

3. Nutritional differences: There are also differences in nutritional components between round leaf lettuce and loose leaf lettuce. Most people think that the vitamin content of loose leaf lettuce is slightly higher than that of round lettuce. However, the dietary fiber of lettuce is higher than that of loose leaves, and they all have their own characteristics.

The above contents refer to Baidu Encyclopedia-Lettuce.