2007
DOI: 10.1002/ffj.1809
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Determination of flavour profile in Iranian fragrant rice samples using cold‐fibre SPME–GC–TOF–MS

Abstract: A newly developed cold-fibre solid-phase microextraction (CF-SPME) device, as a powerful system for collection and concentration of volatile compounds, coupled to a gas chromatography time-of-flight mass spectrometer (GC-TOF-MS) system, equipped with a multi-channel ion detector and a deconvolution software, was investigated for the analysis of volatile flavour compounds in the headspace of rice samples. The proposed combination provided a powerful system for easy and rapid screening of a wide range of flavour… Show more

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Cited by 69 publications
(31 citation statements)
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References 28 publications
(19 reference statements)
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“…Therefore, the addition of 20% (v/w) saturated brine for the powdered tea leaves was selected as the optimum moisture content and was used in the following experiments. The phenomenon that the extraction efficiency on the SPME of MMP improved by the addition of a trace amount of water in the powdered sample had been observed for 2-acetyl-1-pyrroline in fragrant rice (Grimm et al, 2001, Ghiasvand et al, 2007. As the mechanism of this phenomenon, the odorant seems to be more diffusible, presumably due to the effect of the formation of sub-micrometer sized particle complexes with water (Nohara et al, 2002).…”
Section: Resultsmentioning
confidence: 98%
“…Therefore, the addition of 20% (v/w) saturated brine for the powdered tea leaves was selected as the optimum moisture content and was used in the following experiments. The phenomenon that the extraction efficiency on the SPME of MMP improved by the addition of a trace amount of water in the powdered sample had been observed for 2-acetyl-1-pyrroline in fragrant rice (Grimm et al, 2001, Ghiasvand et al, 2007. As the mechanism of this phenomenon, the odorant seems to be more diffusible, presumably due to the effect of the formation of sub-micrometer sized particle complexes with water (Nohara et al, 2002).…”
Section: Resultsmentioning
confidence: 98%
“…Composition of roots of Taraxacum Syriacum Boiss was determined by SPME-GC/MS method as previously described (13).…”
Section: Determination Of Composition By Usingmentioning
confidence: 99%
“…The samples were then placed into the agitator tray and 10 min incubation time was applied for equilibration of volatiles between the headspace and sample matrix, during which the sample was heated to 60 °C. The components were collected by the fi ber from the sample headspace and directly injected into a GC-MS injection port for analysis (13).…”
Section: Determination Of Composition By Usingmentioning
confidence: 99%
“…If it is required to resolve one compound from another to obtain a MS identification, TOF-MS with proper software is able to make identifications and quantification frequently without the need for peak resolution [15,82]. TOF-MS has been widely used in flavour analysis of foods, such as cooked beans [104], grains [105,106], wines [107,108], olive oil [109], roasted beef [110], and Cheddar cheese [111]. In the field of seafood, it has been mainly used for quality control (fish authentication by analysis of biomarkers) [112].…”
Section: Time-of-flight Mass Spectrometrymentioning
confidence: 99%