... Packing:20kg/bag,1000kg/jumbo bag Industrial Grade Citric Aicd Citric acid is a weak organic acid. It is a natural preservative/conservative and ... , the conjugate base of citric acid, citrate, is important as an intermediate in the citric acid cycle, and therefore occurs in ... a flavoring, and as a chelating agent.The food grade form of citric acid powder is widely in canning.When preserving raw ...