Ascorbyl stearate

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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]
PubChem	10343784
EINECS number	234-231-5
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
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and 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.

[edit] See also

• Ascorbyl palmitate

[edit] References

• Burdock, George A (1996). Encyclopedia of Food & Color Additives. CRC Press, 213. ISBN 0-8493-9412-0. 
• Lewis, Richard J (1989). Food Additives Handbook. Springer, 70. ISBN 0-442-20508-2. 

[edit] External links