... to yellow flavourless, odourless crystalline powder. It is very stable with its crystal form. The solubility of Natamycin is very low ... (PH value), temperature, light, oxygen, heavy metal, etc. Usage: Food preservative. Ideal result can be achieved by using Natamycin on the ... , 2000: Treat (Spray or dip) the surface of the cheese with 200-300mg/kg aqueous solutions. 2. EU: Permitted on the ...