Ascorbyl stearate

Ascorbyl stearate

IUPAC name [(2S)-2-[(2R)-4,5-Dihydroxy-3-oxo-2-furyl]-2-hydroxy-ethyl] octadecanoate
Other names E304 L-Ascorbic acid, 6-octadecanoate Ascorbyl monooctadecanoate
Identifiers
CAS number	10605-09-1^Y
PubChem	10343784
EC number	234-231-5
Jmol-3D images	Image 1
SMILES OC([C@]([C@@H](O)COC(CCCCCCCCCCCCCCCCC)=O)([H])O1)=C(O)C1=O
Properties
Molecular formula	C₂₄H₄₂O₇
Molar mass	442.586 g/mol
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

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.

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.