1. Citric acid monohydrate: Very popular with the name sourdough. Widely used in production and processing. In this citric molecule is present 1 molecule of H2O.
2. Citric acid anhydrous: This citric molecule does not have H2O present, so it does not make the product become moist after processing. They are indispensable materials in pharmaceutical processing and soluble packaged products (instant tea, beverage, candy, etc.)
Application: Citric acid is widely used in the production of food, pharmaceuticals…
Citric acid is also knownlege as a pH adjuster.
Use citric acid mixed with NaHCO3 to create gas for effervescent products.
It is also used to prevent oxidation of products and to prevent rancid cooking oils.