This standard is applicable to the mucilage, also known as agar, leached from Gelidumamausii L. and several other red algae plants and dehydrated and dried. It can be added to food as a thickener and stabilizer.
GB/T 1975-1980 history
2010GB 1975-2010 National Food Safety Standard Food Additive Agar (Agar-Agar)