- Food and Drug Administration, Department of Health and Human Services, - Direct Food Substances Affirmed as Generally Recognized as Safe, - Listing of Specific Substances Affirmed as GRAS, https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-184/subpart-B/section-184.1069, http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. But thats not all! The meaning of MALIC ACID is a crystalline dicarboxylic acid C4H6O5; especially : the levorotatory isomer of malic acid that is found in various fruits (such as apples) and is formed as an intermediate in the Krebs cycle. If you compare malic acid vs. citric acid, there are a lot of similarities, but malic acid pH is a bit more acidic than citric acid pH. Brittany Lubeck, RD, is a nutrition writer and registered dietitian with a master's degree in clinical nutrition. Citric acid would appear to be the most effective agent of those tested in the prevention of acute . Eur Rev Med Pharmacol Sci. Yes, itsa tart-tasting organic acid, which is the reason why many natural foods have a sour or tart flavor. The answers to these common questions about the process of removing dead skin cells off your face will vary depending on your skin type. //