In supermarkets, water is called dry starch. Generally speaking, starch is made from dry starch and water. What is sold in supermarkets is dry starch. If it is water starch, you have to go home and make it yourself.
Dry starch is referred to as starch. This food is also called cornstarch, which is made from starchy plants such as corn, sweet potatoes, and mung beans.
The starch in the supermarket is placed together with other condiments. At this time you can find it on the shelf, including MSG, pepper, and salt.
Starch is a common thing. In daily life, starch is mostly used to thicken dishes and make soups or vegetable juices into a thick consistency. Or when we use it to marinate meat, we add some starch to the meat to make the meat taste more tender.
Starch is not a specific thing, such as potato starch, mung bean starch, and sweet potato starch that we see in our daily life. These are collectively called starch, but due to different uses and raw materials, they cannot be generalized.
Starch has many uses, and different types of starch have different specific application methods. You should choose according to your actual situation.