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Digitale Medien

Stereoisomeric flavour compounds LXXI: determination of the origin of aroma-active dihydrofuranones (1995)

Bruche, Günther ; Dietrich, Armin ; Mosandl, Armin

Springer

European food research and technology 201 (1995), S. 249-252

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Details

ISSN: 1438-2385

Quelle: Springer Online Journal Archives 1860-2000

Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Abstract The odour characteristics of chiral 3[2H]-furanones, which are important aroma compounds, have been evaluated by sniffing the separated enantiomers through the port of a gas chromatograph (gc-sniffing). The results revealed great differences in the odour quality and thresholds of the single enantiomers. The determination of the origin of 2,5-dimethyl-4-hydroxy-3[2H]-furanone and 2,5-dimethyl-4-methoxy-3[2H]- furanone from strawberries, pineapples and commercial samples has been achieved using GC-isotope ratio mass spectrometry (GC-IRMS). For this technique to be successful, it is essential that preparative and storage procedures should not influence the isotope ratio of compound analysed; this is demonstrated to be the case for 2,5-dimethyl-4-hydroxy-3[2H]-furanone.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01192997

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