Ascorbyl palmitate is an ester formed from ascorbic acid and palmitic acid creating a fat-soluble form of vitamin C. In addition to its use as a source of vitamin C, it is also used as an antioxidant food additive (E number E304). It is approved for use as a food additive in the EU, the U.S., Canada, Australia, and New Zealand. Ascorbyl palmitate is also marketed as "vitamin C ester". It is synthesized by acylation vitamin C using different acyl donors. See also Ascorbyl stearate Vitamin C Mineral ascorbates References External links Bioavailability of Different Forms of Vitamin C (Ascorbic Acid) Information from the Linus Pauling Institute Food antioxidants Fatty acid esters Palmitate esters E-number additives Vitamin C