The difference between cornstarch and starch lies in the difference in definition, color, powder preparation and usage.
1. Define the difference.
The quality of cornstarch refers to different flours in different places. Cornstarch itself is a powder composed of one or more starches. In the north, cornstarch mostly refers to potato starch, also called potato flour. In the South, corn starch mostly refers to corn starch. In Hong Kong, corn starch mostly refers to corn starch. In Taiwan, corn starch mostly refers to potato starch, also called cornstarch, and starch generally refers to corn starch.
2. Color difference.
The color of cornstarch is generally dark white and dull, while the color of starch is generally pure white and glossy.
3. Difference in powder quality.
Cooking flour is generally finer in powder and sticks to your hands easily when rubbed by hand, while starch is generally finer in powder and difficult to stick to your hands when rubbed by hand.
4. Use differences.
Cooking flour is generally used to thicken dishes and sizing meat, while starch is generally used to batter and fry food.