... 4.FCC-IV standard sodium diacetate Food preservative: white crystalSDA is a kind of food preservative, it ... useful for some bacteria.Physical and chemical properties: White hygroscopic crystalline powder, With acetic acid smell, Soluble in water( ... mould (yellow aspergillum, smoke, aspergillum, aspergillum, green aspergillum, white hairs, tiny aspergillum mould, Candida etc ); It has certain ...