Corn flour usually used to thicken liquids So it cannot be used as a substitute for plain flour. No, there's no gluten in corn flour, so it would be very flat and dense. Corn flour can be used with plain flour to add texture and sweetness, like in cornbread.
Also question is, why do you use corn flour?
It can also be blended with wheat flour to minimize the gluten content for pastries, cakes and other confectionery items. In the arts of culinary, corn flour is used as a binding agent for puddings and similar recipes. It is commonly used as a thickener for soups, stews, sauces and other dishes.
Is corn flour is good for health?
Because it does not contain gluten, yellow corn flour provides a healthy alternative to wheat flour if you follow a gluten-free diet. It also contains a number of essential nutrients, and using yellow corn flour in your cooking boosts your vitamin and mineral intake.
What does corn flour taste like?
Cornstarch (called "cornflour" in the UK) is a fine smooth white powder, not yellow at all, made from the very centre of dried corn kernels (the "endosperms.") It has twice the thickening oomph that wheat flour does, but it can also have the same starchy taste as flour unless it is cooked a bit. It cooks up clear.