What are the ingredients in soy sauce?

* Soybeans: The primary source of protein and flavor.

* Wheat: Provides carbohydrates and contributes to the fermentation process.

* Salt: Used for preservation and flavoring.

* Water: Needed for the fermentation process.

Traditional soy sauce also includes:

* Mold: A specific type of mold, Aspergillus oryzae, is used to break down the soybeans and wheat during fermentation.

Other ingredients may be added to different types of soy sauce:

* Sugar: Used for balancing the flavor and color.

* Alcohol: Added as a preservative.

* Caramel color: Used for color enhancement.

The exact ingredients and proportions vary depending on the type of soy sauce and the manufacturer's recipe.