1)BRC, KOSHER, FDA, HACCP, ISO 2)Purity:99%,90%,80%,70%,60%,50% 3)20mesh, 30mesh , 40mesh , 50mesh , 60mesh, ... Specifications: MSG/Monosodium Glutamate1)Raw material: high-quality corn2)Purity: 99%, 90%, 80%, 75%, 70%, 65%, 60%, or as requested3)Sizes: 20mesh ... more information about that.Looking forward to your kind inquiry. 99% Purity Monosodium Glutamate (MSG)