Ascorbyl palmitate
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| Ascorbyl palmitate | |
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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 | |
| Abbreviations | E304 |
| CAS number | [137-66-6] |
| PubChem | |
| SMILES | OC([C@]([C@@H](O)COC(CCCCCCCCCCCCCCC)=O)([H])O1)=C(O)C1=O |
| Properties | |
| Molecular formula | C22H38O7 |
| Molar mass | 414.533 g/mol |
| Melting point |
166-167 °C |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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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). Oral supplements of ascorbyl palmitate may be less effective, due to the substance breaking down again into its components before being digested.[citation needed] Ascorbyl palmitate is also marketed as "vitamin C ester."
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