my country's "Sanitary Standards for the Use of Food Additives" (GB 2920-1996) stipulates that it can be used as a processing aid and used in appropriate amounts according to production needs.
The current standard GB1886.20-2016 replaces GB5175-2008 "Food Additive Sodium Hydroxide". Compared with GB5175-2008, the main changes of this standard are as follows: The name of the standard is revised to "National Food Safety Standard Food Additive Sodium Hydroxide".