- Source: Ascorbyl stearate
Ascorbyl stearate (C24H42O7) is an ester formed from ascorbic acid and stearic acid. In addition to its use as a source of vitamin C, it is used as an antioxidant food additive in margarine (E number E305). The USDA limits its use to 0.02% individually or in conjunction with other antioxidants.
See also
Ascorbyl palmitate
Mineral ascorbates
References
Burdock, George A (1996). Encyclopedia of Food & Color Additives. CRC Press. p. 213. ISBN 0-8493-9412-0.
Lewis, Richard J (1989). Food Additives Handbook. Springer. p. 70. ISBN 0-442-20508-2.