1.

2. Red 7 has a slightly higher malt degree of 1 degrees. Yellow 7 has a slightly lower malt degree of 8 degrees.

3. The taste is different. In terms of taste, the taste of red 7 is more bitter and more explosive. Yellow 7 tastes softer and more refreshing.

4. As far as consumers are concerned, carrots and vegetables have their own tastes. Consumers think that red 7 smells better, and yellow 7 entrance is similar to tap water. There are also consumers who think that the malt degree of beer is still low from the health point of view.