Corn starch, also known as corn flour or maize starch, is a fine, powdery substance derived from the endosperm of corn kernels. It is a versatile ingredient used in cooking, baking, and various other applications. Here is some information about corn starch:

1. **Composition and Production**:
– Corn starch is primarily composed of starch, a complex carbohydrate made up of long chains of glucose molecules.
– The production of corn starch involves milling corn kernels to separate the starch from the other components of the corn, such as protein and fiber. The starch is then purified, dried, and milled into a fine powder.

2. **Properties**:
– Corn starch is a white, tasteless, and odorless powder that is insoluble in cold water.
– When heated in water, corn starch gelatinizes, forming a thick, translucent gel. This property makes it a valuable thickening agent in cooking and baking.

3. **Common Uses**:
– **Thickening Agent**: Corn starch is commonly used as a thickening agent in a variety of dishes, sauces, soups, gravies, and pie fillings. It helps to add viscosity and improve texture.
– **Baking**: Corn starch is used in baking to lighten the texture of cakes, cookies, and other baked goods. It can also be used to dust baking surfaces to prevent sticking.
– **Coating and Binding**: Corn starch is used as a coating for fried foods to create a crispy exterior. It can also be used as a binder in recipes like meatballs and veggie burgers.
– **Gluten-Free Alternative**: Corn starch is naturally gluten-free, making it a popular ingredient in gluten-free cooking and baking.

4. **Other Applications**:
– **Personal Care Products**: Corn starch is used in various personal care products, such as baby powder, talcum powder, and dry shampoo, for its absorbent properties.
– **Textile Industry**: Corn starch is used in the textile industry for sizing fabrics and yarns to improve smoothness and stiffness.
– **Pharmaceuticals**: Corn starch is used as a filler in the production of tablets and capsules in the pharmaceutical industry.

5. **Storage**:
– Corn starch should be stored in a cool, dry place in an airtight container to prevent moisture absorption and clumping.
– Properly stored, corn starch can have a long shelf life.

6. **Cooking Tips**:
– When using corn starch as a thickener, it should be mixed with a cold liquid before adding it to a hot mixture to prevent clumping.
– Corn starch should be stirred constantly when heating to avoid forming lumps.

Corn starch is a versatile ingredient with a wide range of culinary and non-culinary applications. Its ability to thicken, bind, and enhance texture makes it a valuable pantry staple in many kitchens and industries.