This standard applies to the esterification of gallic acid and n-propanol with concentrated sulfuric acid as a dehydrating agent and heating (120°C) to obtain propyl gallate. This product is added to fat, butter oil and fat-containing food as an antioxidant.
GB 3263-1982 history
2015GB 1886.14-2015 National Food Safety Standard Food Additive Propyl Gallate