What is citric acid?
"What is citric acid?" Citric acid is a natural acid that is found in many fruits. It is very bitter, and it gives fruits like lemons and limes their characteristic sour flavor. Citric acid is a common food additive and is found in everything from sodas to candies. A small amount of citric acid can boost the "tanginess" of certain candy flavors like lemon, lime, orange, and raspberry candies, and make them taste more natural and similar to the raw fruits.
citric acid is a natural substance and very few people are allergic to it. It is quite sour and might cause stomach discomfort if consumed in large quantities, but most candy recipes call for very small amounts that should be harmless to almost everyone. Getting citric acid in your eyes may cause eye irritation, so use caution when handling it.
citric acid can be used in food coloring to balance the pH level of a normally basic dye.It is used as an odorless alternative to white vinegar for home dyeing with acid dyes .
Citric acid is widely used as a pH adjusting agent in creams and gels of all kinds. In this role it is classified in most jurisdictions as a processing aid and so does not need to be listed on ingredient lists. Citric acid is an alpha hydroxy acid and used as an active ingredient in chemical peels.
citric acid is most commonly is sold as a white powder, sometimes labeled "sour salt." It can be readily purchased online, and is found in many grocery stores and super markets. I am able to find mine in the bulk spices section of a local ethnic grocery store.
Store citric acid in an airtight container or plastic bag at room temperature. Stored properly, citric acid can be kept for years.