Determination of 19 Fragrance Allergens in Paper Household Goods by Solid-Liquid Extraction-Dispersive Liquid-Liquid Microextraction-GC-MS. 2022

Zonghui Yi, and Jing Chen, and Li Yong, and Chen Zhou, and Yue Yuan, and Yongxin Li
West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.

BACKGROUND Fragrance allergens (FAs) refer to these volatile or semi-volatile fragrance compounds that can induce sensitization, and they are widely used in household goods. OBJECTIVE In this work, a method combining solid-liquid extraction (SLE) and dispersive liquid-liquid microextraction (DLLME) with gas chromatography-mass spectrometry (GC-MS) has been developed and applied in the analysis of 19 FAs (including hydrocarbons, alcohols, aldehydes, esters, and phenols) in paper household goods. METHODS The samples (infant or personal paper hygiene products) were cut into small pieces and underwent SLE with methanol as solvent. The supernatant was taken, and ultrapure water, sodium chloride, and trichloromethane (extractant) were added, which was mixed with vortex. After centrifugation, the bottom chloroform layer was taken for GC-MS detection. RESULTS Under optimized conditions, a good linearity was achieved (r ≥ 0.9985) in the range of 0.01-128.0 mg/kg with relative standard deviations lower than 15%. The method showed limits of detection (LODs) within the range of 0.96-12.0 µg/kg and recoveries from 70.6% to 128.9%, except furfuryl alcohol with low recoveries (53.8-64.6%). Twenty kinds of paper household goods samples were analyzed by this method; nine FAs were detected. The linalool detected in one sample was more than 10 mg/kg, and the contents of other analytes in this sample and all analytes in other samples were less than 10 mg/kg. CONCLUSIONS The performance evaluation of the method met the requirements of the analysis of trace components. The established method was successfully applied to the detection of FAs in paper household goods samples. The proposed method could provide a basis for the establishment of relevant detection standards in the future. CONCLUSIONS The LODs were found between 0.96 and 12.0 µg/kg. A simple, economical, and sensitive method was established for the determination of 19 FAs in paper household goods.

UI MeSH Term Description Entries
D008401 Gas Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. Chromatography, Gas-Liquid-Mass Spectrometry,Chromatography, Gas-Mass Spectrometry,GCMS,Spectrometry, Mass-Gas Chromatography,Spectrum Analysis, Mass-Gas Chromatography,Gas-Liquid Chromatography-Mass Spectrometry,Mass Spectrometry-Gas Chromatography,Chromatography, Gas Liquid Mass Spectrometry,Chromatography, Gas Mass Spectrometry,Chromatography, Mass Spectrometry-Gas,Chromatography-Mass Spectrometry, Gas,Chromatography-Mass Spectrometry, Gas-Liquid,Gas Chromatography Mass Spectrometry,Gas Liquid Chromatography Mass Spectrometry,Mass Spectrometry Gas Chromatography,Spectrometries, Mass-Gas Chromatography,Spectrometry, Gas Chromatography-Mass,Spectrometry, Gas-Liquid Chromatography-Mass,Spectrometry, Mass Gas Chromatography,Spectrometry-Gas Chromatography, Mass,Spectrum Analysis, Mass Gas Chromatography
D009812 Odorants The volatile portions of chemical substances perceptible by the sense of smell. Odors,Aroma,Fragrance,Scents,Aromas,Fragrances,Odor,Odorant,Scent
D010636 Phenols Benzene derivatives that include one or more hydroxyl groups attached to the ring structure.
D002725 Chloroform A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity. Trichloromethane
D004952 Esters Compounds derived from organic or inorganic acids in which at least one hydroxyl group is replaced by an –O-alkyl or another organic group. They can be represented by the structure formula RCOOR’ and are usually formed by the reaction between an acid and an alcohol with elimination of water. Ester
D000432 Methanol A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness. Alcohol, Methyl,Carbinol,Sodium Methoxide,Wood Alcohol,Alcohol, Wood,Methoxide, Sodium,Methyl Alcohol
D000447 Aldehydes Organic compounds containing a carbonyl group in the form -CHO. Aldehyde
D000485 Allergens Antigen-type substances that produce immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). Allergen
D012965 Sodium Chloride A ubiquitous sodium salt that is commonly used to season food. Sodium Chloride, (22)Na,Sodium Chloride, (24)NaCl
D012997 Solvents Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant & Hackh's Chemical Dictionary, 5th ed) Solvent

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