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Ascorbyl palmitate

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This is an old revision of this page, as edited by 66.206.61.192 (talk) at 07:02, 5 October 2018 (Edited passage included unsubstantiated claim in direct contradiction to newer more thorough study (Pokorski, 2003). There is no way to ascertain if enteral hydrolysis had occurred from cited study cited because ascorbate had been determined in the urine, thus there'd been no way to tell whether it'd been hydrolyzed enterally or in some other compartment. Moreover, since 'excreted vitamin C' had been determined colorimetrically, there'd been no way to tell if it had even been hydrolyzed at all.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Ascorbyl palmitate
Names
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)
Abbreviations E304
ChEMBL
ChemSpider
ECHA InfoCard 100.004.824 Edit this at Wikidata
E number E304 (antioxidants, ...)
UNII
  • InChI=1S/C22H38O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18(24)28-16-17(23)21-19(25)20(26)22(27)29-21/h17,21,23,25-26H,2-16H2,1H3/t17-,21+/m0/s1 checkY
    Key: QAQJMLQRFWZOBN-LAUBAEHRSA-N checkY
  • InChI=1/C22H38O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18(24)28-16-17(23)21-19(25)20(26)22(27)29-21/h17,21,23,25-26H,2-16H2,1H3/t17-,21+/m0/s1
    Key: QAQJMLQRFWZOBN-LAUBAEHRBD
  • OC=1[C@H](OC(=O)C=1O)[C@@H](O)COC(=O)CCCCCCCCCCCCCCC
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).
checkY verify (what is checkY☒N ?)

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".

See also

References

  1. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  2. ^ US Food and Drug Administration: "Listing of Food Additives Status Part I". Archived from the original on 2012-01-17. Retrieved 2011-10-27. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  3. ^ Health Canada: "Chemical Substance - Ascorbyl palmitate". Retrieved 2016-08-13.
  4. ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
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