Quantitative determination of sorbic acid in cheddar cheese by gas-liquid chromatography
Lacroix, D.E.; Wong, N.P.
Journal - Association of Official Analytical Chemists 54(2): 361-363
1971
ISSN/ISBN: 0004-5756 PMID: 5162620 Document Number: 39547
A rapid method is described for the extraction and quantitative determination of sorbic acid in Cheddar cheese. Cheddar cheese is impregnated onto a Celite 545 column, extracted with acetonitrile, and analyzed for sorbic acid by gas-liquid chromatography, using a 7.5% ethylene glycol adipate + 2% H3PO4 column. Average recovery values for known amounts of sorbic acid were 107%.
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