Propyl Gallate is an artificial food additive, found in meat products, microwaveable popcorn, soup mixes, chewing gum, mayonnaise, and frozen meals. It has antioxidant properties, which means it helps stop oxygen molecules from mixing with the oil in food, causing the food to go rancid.
In addition to being a possible carcinogen, it may cause stomach and skin irritability, as well as allergic reactions that impact breathing. It may also cause kidney and liver problems.
Although the FDA considers propyl gallate safe, in other countries it is either banned or very limited in use.
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NTP Carcinogenesis Bioassay of Propyl Gallate (CAS No. 121-79-9) in F344/N Rats and B6C3F1 Mice (Feed Study). Natl Toxicol Program Tech Rep Ser. 1982;240:1-152.
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