JING Bo,YANG Qing-hua,LIN Qin-bao.Determination of Odour Substances in Metallic Ink-printed Paperboards by Headspace Gas Chromatography-Mass Spectrometry with Chemometrics Approach[J].Journal of Instrumental Analysis,2022,41(06):873-881.
JING Bo,YANG Qing-hua,LIN Qin-bao.Determination of Odour Substances in Metallic Ink-printed Paperboards by Headspace Gas Chromatography-Mass Spectrometry with Chemometrics Approach[J].Journal of Instrumental Analysis,2022,41(06):873-881. DOI: 10.19969/j.fxcsxb.21112001.
Determination of Odour Substances in Metallic Ink-printed Paperboards by Headspace Gas Chromatography-Mass Spectrometry with Chemometrics Approach
A headspace gas chromatography-mass spectrometry(HS/GC-MS) with chemometrics was developed for analysis of the main volatile substances in three raw paperboards and three metallic ink-printed paperboard samples.The volatile substances in sample fragments were analyzed by HS/GC-MS,followed by MS-DIAL deconvolution,NIST mass library and retention index match.Meanwhile,the relative contents of peaks as well as the relative odour active values(ROAV) were calculated to analyze the key odour substances and their impacts.The results obtained showed that,a total of 63 volatile compounds were detected in all paperboard samples,of which 46 volatile compounds were identified,mainly including aldehyde,ketones,alkane and alkene substances.More aldehydes and ketones compounds were found in the paperboard samples printed with different metallic inks,affecting the overall sensory evaluation.19 key odour substances were selected,including benzenaldehyde,,n,-octanaldehyde,(,E,,,E,)-2,4-hepadienaldehyde,,n,-decanol,2-amylfuran,and their models of principal component analysis(PCA),orthogonal partial least squares discriminant analysis(OPLS-DA) and hierarchical cluster analysis(HCA) were established,showing that the key odour substances(ROAV ,>, 10) had unconspicuous effect and distributed in different raw paperboards and the metallic ink-printed products.
关键词
顶空/气相色谱-质谱法多元统计学金属油墨挥发性物质气味
Keywords
headspace gas chromatography-mass spectrometrymultivariate statistical analysismetallic inkvolatile substancesodour
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