Ascorbyl palmitate
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,[1] the U.S.,[2] Canada,[3] Australia, and New Zealand.[4]
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| Names | |
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| IUPAC name
[(2S)-2-[(2R)-4,5-Dihydroxy-3-oxo-2-furyl]-2-hydroxy-ethyl] hexadecanoate | |
| Other names
Ascorbyl palmitate L-Ascorbic acid 6-hexadecanoate 6-O-Palmitoylascorbic acid | |
| Identifiers | |
3D model (JSmol) |
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| Abbreviations | E304 |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.004.824  |
| E number | E304 (antioxidants, ...) |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C22H38O7 | |
| Molar mass | 414.539 g·mol−1 |
| Appearance | White to yellowish colored powder |
| Melting point | 116 to 117 °C (241 to 243 °F; 389 to 390 K) |
| Very slightly soluble in water; freely soluble in ethanol | |
| Hazards | |
| Flash point | 178.1 °C (352.6 °F; 451.2 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is  ?) | |
| Infobox references | |
Ascorbyl palmitate is also marketed as "vitamin C ester".
See also
References
- UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
- US Food and Drug Administration: "Listing of Food Additives Status Part I". Archived from the original on 2012-01-17. Retrieved 2011-10-27.
- Health Canada: "Chemical Substance - Ascorbyl palmitate". Retrieved 2016-08-13.
- Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
External links
- Bioavailability of Different Forms of Vitamin C (Ascorbic Acid)
- Information from the Linus Pauling Institute
- Record in the Household Products Database of NLM
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