Gas Chromatography-Olfactory Analysis of Volatile Compounds

A Trace Ultra 1300 gas chromatograph (Thermos Scientific, Waltham, MA, USA) fitted with a TG-5 ms column (30 m × 0.25 mm i.d., film thickness, 0.25 µm, Thermo Scientific, Milan Italy) and an ODP 3 olfactory Detector Port (Gerstel, Mulheim, Germany), with additional supply of humidified purge air, was operated as earlier reported by Lasekan [35 (link)]. The split ratio between the sniffing port and the FID detector was 1:1. Two replicate samples were sniffed by three trained panellists who presented normalized responses, with strong agreement with one another.

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Lasekan O, & Hussein F.K. (2018). Classification of different pineapple varieties grown in Malaysia based on volatile fingerprinting and sensory analysis. Chemistry Central Journal, 12, 140.

Publication 2018

Trace Ultra 1300 TG-5 ms column ODP 3 olfactory Detector Port

Gas chromatograph Olfactory Replicate

Corresponding Organization :

Other organizations : Universiti Putra Malaysia

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Variable analysis

independent variables

Gas chromatograph model (Trace Ultra 1300)
Column type (TG-5 ms column, 30 m × 0.25 mm i.d., film thickness 0.25 µm)
Olfactory Detector Port (ODP 3)
Supply of humidified purge air

dependent variables

Normalized responses from three trained panelists

control variables

Split ratio between the sniffing port and the FID detector (1:1)
Number of replicate samples (two)

controls

Positive control: Not specified
Negative control: Not specified

Annotations

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