Determination of Methyl Isothiocyanate in Wine by GC and GC/MS

Determination of Methyl Isothiocyanate in Wine by GC and GC/MS

A simple and rapid determination method of methyl isothiocyanate (MITC) in wine was developed. MITC in wine was extracted with ethyl acetate and the extract was subjected to NPD-GC and GC/MS. The determination limits were 0.02ppm with NPD-GC, 0.22ppm with FPD-GC (S-mode) and 0.05ppm with GC/MS. Reco...

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Veröffentlicht in:Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 1992/12/05, Vol.33(6), pp.603-608_1
Hauptverfasser: UCHIYAMA, Sadao, TAKEDA, Hisashi, KOBAYASHI, Akihiko, ITO, Sumio, SAKURAI, Hiroyuki, TADA, Yoshihiko, AOKI, Gaku, HOSOGAI, Takashi, YAMANAKA, Takaaki, MAEKAWA, Yoshiaki, YOSHIKAWA, Reiji, ITO, Kazuo, SAITO, Yukio
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
gas chromatography
methyl isothiocyanate
wine
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Zusammenfassung:A simple and rapid determination method of methyl isothiocyanate (MITC) in wine was developed. MITC in wine was extracted with ethyl acetate and the extract was subjected to NPD-GC and GC/MS. The determination limits were 0.02ppm with NPD-GC, 0.22ppm with FPD-GC (S-mode) and 0.05ppm with GC/MS. Recoveries from wine spiked with 0.044 and 0.088ppm of MITC were 89.4% and 83.5%, respectively, from white wine and 81.6% and 75.1%, respectively, from red wine. MITC in wine imported from Italy was detected in the range of 0.087 to 0.349ppm in three brands out of 30 examined.
ISSN:0015-6426
1882-1006
DOI:10.3358/shokueishi.33.603