Natural citric acid is widely distributed in nature and is found in the fruits of plants such as lemons, citrus, and pineapples and in the bones, muscles, and blood of animals. Synthetic citric acid is produced by fermenting sugar, molasses, starch, grapes, and other sugary substances, and can be divided into two types: anhydrous and hydrate. Pure citric acid is a colorless and transparent crystal or white powder, odorless and with an attractive sour taste.   Read More>