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Determination of aliphatic alcohols, squalene, alpha-tocopherol and sterols in olive oils: direct method involving gas chromatography of the unsaponifiable fraction following silylation (CROSBI ID 92829)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Giacometti, Jasminka Determination of aliphatic alcohols, squalene, alpha-tocopherol and sterols in olive oils: direct method involving gas chromatography of the unsaponifiable fraction following silylation // Analyst, 126 (2001), 4; 472-475. doi: 10.1039/B007090O

Podaci o odgovornosti

Giacometti, Jasminka

engleski

Determination of aliphatic alcohols, squalene, alpha-tocopherol and sterols in olive oils: direct method involving gas chromatography of the unsaponifiable fraction following silylation

In general, analyses for aliphatic alcohols, sterols, and tocopherols in vegetable oils are performed separately. A simple and reliable procedure is presented for the quantification of the alkanols, squalene, alpha-tocopherol and sterols in olive oils by a direct method involving gas chromatographic (GC) analysis of the unsaponifiable fraction after silylation. The method eliminates the need for a preliminary thin- layer chromatographic (TLC) fractionation prior to GC. External standard calibration with reference substances was used for the quantification of squalene, alpha-tocopherol and sterols, and internal standard calibration for the quantification of aliphatic alcohols. The analyte recovery and the repeatability of the quantitative results were evaluated and were acceptable for routine use.

gas chromatographic analysis ; sterols ; aliphatic alcohols ; squalene ; tocopherols ; direct method ; silylation ; olive oil

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Podaci o izdanju

126 (4)

2001.

472-475

objavljeno

0003-2654

1364-5528

10.1039/B007090O

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Farmacija

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