Definition of 'optimum'. optimum (ÉptÉªmÉm ) or optimal. The optimum or optimal level or state of something is the best level or state that it could achieve. Aim to do some physical activity three times a week for optimum health. ...regions in which optimal conditions for farming can be created.
Use Tapioca Flour. Also know as tapioca starch, it's a great substitute. You'll want to use 2 tablespoons for every 1 tablespoon of cornstarch. Use Rice Flour. Rice flour thickens up like regular flour so use the same proportion: 3 tablespoons for every 1 tablespoon of cornstarch.
Cornstarch and corn flour show some differences between them. Cornstarch is made from the endosperm of the corn. This is due to the fact that starch constitutes the endosperm of the corn. On the other hand, corn flour is made out of the mixing of endosperm with corn gluten. It is important to know that bran constitutes what is called corn gluten. This is the main difference between cornstarch and corn flour. It is interesting to note that cornstarch is used as a thickener.