A Capillary Gas-Liquid Chromatographic Method for Determination of Ethylenethiourea and Propylenethiourea in Hops, Beer, and Grapes

Siegfried Nitz; Prannath Moza; Friedhelm Korte

doi:10.1021/jf00111a044

A Capillary Gas-Liquid Chromatographic Method for Determination of Ethylenethiourea and Propylenethiourea in Hops, Beer, and Grapes

Siegfried Nitz, Prannath Moza, Friedhelm Korte

Chair of Chemical-Technical Analysis and Chemical Food Technology (2008 — 2021)

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Abstract

A simple capillary gas chromatographic method was developed to assay propylenethiourea (PTU) and ethylenethiourea (ETU) residues in beer, hops, and grapes without derivatization. The limit of sensitivity was shown to be 0.005 ppm by using a flame photometric detector, FPD (sulfur mode, 394 nm). Residues of PTU/ETU in some commercial beers (1979) are also reported.

Original language	English
Pages (from-to)	593-596
Number of pages	4
Journal	Journal of agricultural and food chemistry
Volume	30
Issue number	3
DOIs	https://doi.org/10.1021/jf00111a044
State	Published - 1982

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title = "A Capillary Gas-Liquid Chromatographic Method for Determination of Ethylenethiourea and Propylenethiourea in Hops, Beer, and Grapes",

abstract = "A simple capillary gas chromatographic method was developed to assay propylenethiourea (PTU) and ethylenethiourea (ETU) residues in beer, hops, and grapes without derivatization. The limit of sensitivity was shown to be 0.005 ppm by using a flame photometric detector, FPD (sulfur mode, 394 nm). Residues of PTU/ETU in some commercial beers (1979) are also reported.",

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AU - Korte, Friedhelm

PY - 1982

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AB - A simple capillary gas chromatographic method was developed to assay propylenethiourea (PTU) and ethylenethiourea (ETU) residues in beer, hops, and grapes without derivatization. The limit of sensitivity was shown to be 0.005 ppm by using a flame photometric detector, FPD (sulfur mode, 394 nm). Residues of PTU/ETU in some commercial beers (1979) are also reported.

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A Capillary Gas-Liquid Chromatographic Method for Determination of Ethylenethiourea and Propylenethiourea in Hops, Beer, and Grapes

Abstract

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