Ascorbyl palmitate
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(Redirected from E304)
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| Names | |
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| IUPAC name
L-threo-Hex-2-enono-1,4-lactone 6-hexadecanoate
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| Systematic IUPAC name
(2S)-2-[(2R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyethyl hexadecanoate | |
| Other names
Ascorbyl palmitate
L-Ascorbic acid 6-hexadecanoate 6-O-Palmitoylascorbic acid | |
| Identifiers | |
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3D model (JSmol)
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| Abbreviations | E304 |
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PubChem CID
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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).
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Template:Chembox Footer/trackingTemplate:Short description
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]
Ascorbyl palmitate is also marketed as "vitamin C ester". It is synthesized by acylation of vitamin C using different acyl donors.[5]
See also
References
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- ^ UK Food Standards Agency: Page Module:Citation/CS1/styles.css has no content."Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
- ^ US Food and Drug Administration: Page Module:Citation/CS1/styles.css has no content."Listing of Food Additives Status Part I". Food and Drug Administration. Archived from the original on 2012-01-17. Retrieved 2011-10-27.
- ^ Health Canada: Page Module:Citation/CS1/styles.css has no content."Chemical Substance - Ascorbyl palmitate". 26 July 2004. Retrieved 2016-08-13.
- ^ Australia New Zealand Food Standards CodePage Module:Citation/CS1/styles.css has no content."Standard 1.2.4 - Labelling of ingredients". 8 September 2011. Retrieved 2011-10-27.
- ^ Page Module:Citation/CS1/styles.css has no content.Karmee SK (January 2009). "Biocatalytic synthesis of ascorbyl esters and their biotechnological applications". Applied Microbiology and Biotechnology. 81 (6 Suppl): 1013–1022. doi:10.1007/s00253-008-1781-y. PMID 19030854. S2CID 35465409.
