Characterisation of minor components in vegetable oil by comprehensive gas chromatography with dual detection

Purcaro, Giorgia; Barp, Laura; Beccaria, Marco; Conte, L. S.

doi:10.1016/j.foodchem.2016.06.048

Cited by 44 publications

(26 citation statements)

References 29 publications

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“…By using GC × GC/TOFMS, more detailed information could be obtained for comprehensive understanding of internal mechanism of ethanol addition and aging treatment on the storage stability of pyrolysis biooil. Purcaro et al [ 73 ] constructed a GC × GC system coupled with simultaneous dual detectors, FID and MS, for quantitative and qualitative analyses of minor compounds in vegetable oils. Such technique proved to be effective not only in a qualitative viewpoint but also for quantitative purposes, especially for investigation of minor compounds in a single run.…”

Section: Advanced Instrumental Strategiesmentioning

confidence: 99%

“…It provides complementary qualitative and quantitative analyses of a wide variety of compounds [ 25 , 71 – 76 ]. Both the chromatographic methods are linked to various detectors, such as atomic emission detector (AED) [ 77 ], flame ionization detector (FID) [ 73 , 78 ], and various mass spectrometers [ 25 , 71 – 74 , 79 , 80 ]. A single technique cannot provide complete analysis.…”

Section: Introductionmentioning

confidence: 99%

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Analytical Strategies Involved in the Detailed Componential Characterization of Biooil Produced from Lignocellulosic Biomass

et al. 2017

International Journal of Analytical Chemistry

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Elucidation of chemical composition of biooil is essentially important to evaluate the process of lignocellulosic biomass (LCBM) conversion and its upgrading and suggest proper value-added utilization like producing fuel and feedstock for fine chemicals. Although the main components of LCBM are cellulose, hemicelluloses, and lignin, the chemicals derived from LCBM differ significantly due to the various feedstock and methods used for the decomposition. Biooil, produced from pyrolysis of LCBM, contains hundreds of organic chemicals with various classes. This review covers the methodologies used for the componential analysis of biooil, including pretreatments and instrumental analysis techniques. The use of chromatographic and spectrometric methods was highlighted, covering the conventional techniques such as gas chromatography, high performance liquid chromatography, Fourier transform infrared spectroscopy, nuclear magnetic resonance, and mass spectrometry. The combination of preseparation methods and instrumental technologies is a robust pathway for the detailed componential characterization of biooil. The organic species in biooils can be classified into alkanes, alkenes, alkynes, benzene-ring containing hydrocarbons, ethers, alcohols, phenols, aldehydes, ketones, esters, carboxylic acids, and other heteroatomic organic compounds. The recent development of high resolution mass spectrometry and multidimensional hyphenated chromatographic and spectrometric techniques has considerably elucidated the composition of biooils.

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Section: Advanced Instrumental Strategiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analytical Strategies Involved in the Detailed Componential Characterization of Biooil Produced from Lignocellulosic Biomass

et al. 2017

International Journal of Analytical Chemistry

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“…In addition to triglycerides, the presence of minor components (less than 5%) in vegetable oils ( Figure 2 ) cannot be ignored due to their interesting biological properties and nutritional values for pharmaceutical and nutraceutical industries, particularly in virgin oils [ 10 , 11 ]. They can be divided into two types: glycerolipids such as mono- and diglycerides, phospholipids, and non-glycerolipids including sterols, tocopherols/tocotrienols, free fatty acids, vitamins, pigments, proteins, phenolic compounds, water, etc.…”

Section: Vegetable Oils Are Not Only Triglyceridesmentioning

confidence: 99%

Vegetable Oils as Alternative Solvents for Green Oleo-Extraction, Purification and Formulation of Food and Natural Products

et al. 2017

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Since solvents of petroleum origin are now strictly regulated worldwide, there is a growing demand for using greener, bio-based and renewable solvents for extraction, purification and formulation of natural and food products. The ideal alternative solvents are non-volatile organic compounds (VOCs) that have high dissolving power and flash point, together with low toxicity and less environmental impact. They should be obtained from renewable resources at a reasonable price and be easy to recycle. Based on the principles of Green Chemistry and Green Engineering, vegetable oils could become an ideal alternative solvent to extract compounds for purification, enrichment, or even pollution remediation. This review presents an overview of vegetable oils as solvents enriched with various bioactive compounds from natural resources, as well as the relationship between dissolving power of non-polar and polar bioactive components with the function of fatty acids and/or lipid classes in vegetable oils, and other minor components. A focus on simulation of solvent-solute interactions and a discussion of polar paradox theory propose a mechanism explaining the phenomena of dissolving polar and non-polar bioactive components in vegetable oils as green solvents with variable polarity.

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“…These classes of compounds were comprehensively investigated by Purcaro et al (2015Purcaro et al ( , 2016. The official International Olive Council method for FA alkyl esters and waxes was slightly modified by introducing a derivatization step directly on the oil prior to silica column purification; thus free sterols, alcohols, and other polar minor compounds can be eluted as TMS-ether moieties in the same fraction that GC Â GC data processing for general qualitative profiling does not differ from conventional GCeMS (mass spectra similarity matching, use of LRI, etc.…”

Section: Other Lipid Compoundsmentioning

confidence: 99%

Theory and Practice of UHPLC and UHPLC–MS

Guillarme

Veuthey

2017

Handbook of Advanced Chromatography /Mass Spectrometry Techniques

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Characterisation of minor components in vegetable oil by comprehensive gas chromatography with dual detection

Cited by 44 publications

References 29 publications

Analytical Strategies Involved in the Detailed Componential Characterization of Biooil Produced from Lignocellulosic Biomass

Analytical Strategies Involved in the Detailed Componential Characterization of Biooil Produced from Lignocellulosic Biomass

Vegetable Oils as Alternative Solvents for Green Oleo-Extraction, Purification and Formulation of Food and Natural Products

Theory and Practice of UHPLC and UHPLC–MS

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