2. The difference between white jade rice and purple corn.

3. What's the difference between black corn and purple corn?

4. The difference between purple corn and yellow corn.

1. The difference between purple corn and ordinary corn is the color, which is also the most conspicuous difference. Purple corn is purple-black, which is a genuine product in the corn family, so purple corn is also called black corn, and ordinary corn has white and yellow.

2. The nutritional value is different. Purple corn is rich in anthocyanins, and its value is higher than that of ordinary corn.