Determination of Seven Odorants in Purified Water Among Worldwide Brands by HS-SPME Coupled to GC–MS

Peng, Shifu; Zhang, Ding; Zhao, Lei; Fei, Juan; Xuan, Zhoubin; Huang, C.B.; Chen, Xiao

doi:10.1007/s10337-014-2676-y

Cited by 17 publications

(5 citation statements)

References 42 publications

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“…Only reference values (both are 10 ng L À1 ) have been reported in GB5749-2006 of China, partly because they have not been associated with immediate health effects (Srinivasan and Sorial, 2011). MIB and geosmin have been identified as the most common earthy/musty compounds present in natural water system around the world, and mainly result from the metabolism and biodegradation of certain types of microorganisms, such as actinomycetes, cyanobacteria, fungi, and myxobacteria (Peng et al, 2014;Peter et al, 2009;Yu et al, 2009). Concentrations of MIB and geosmin were 0.23e28.84 ng L À1 with a medium of 7.22 ng L À1 and a mean of 7.75 ng L À1 , and 2.62e45.00 ng L À1 with a medium of 12.65 ng L À1 and a mean of 13.75 ng L À1 , respectively.…”

Section: Occurrence Assessmentmentioning

confidence: 99%

Simultaneous assessments of occurrence, ecological, human health, and organoleptic hazards for 77 VOCs in typical drinking water sources from 5 major river basins, China

Chen

Luo

Wang

et al. 2015

Environmental Pollution

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Ecological risk assessment Human health risk assessment Taste and odor a b s t r a c tOwing to the growing public awareness on the safety and aesthetics in water sources, more attention has been given to the adverse effects of volatile organic compounds (VOCs) on aquatic organisms and human beings. In this study, 77 target VOCs (including 54 common VOCs, 13 carbonyl compounds, and 10 taste and odor compounds) were detected in typical drinking water sources from 5 major river basins (the Yangtze, the Huaihe, the Yellow, the Haihe and the Liaohe River basins) and their occurrences were characterized. The ecological, human health, and olfactory assessments were performed to assess the major hazards in source water. The investigation showed that there existed potential ecological risks (1.30 Â 10 RQ total s 8.99 Â 10) but little human health risks (6.84 Â 10 À7 RQ total s 4.24 Â 10 À4 ) by VOCs, while that odor problems occurred extensively. The priority contaminants in drinking water sources of China were also listed based on the present assessment criteria.

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Section: Occurrence Assessmentmentioning

confidence: 99%

Simultaneous assessments of occurrence, ecological, human health, and organoleptic hazards for 77 VOCs in typical drinking water sources from 5 major river basins, China

Chen

Luo

Wang

et al. 2015

Environmental Pollution

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“…As such, the DVB/CAR/PDMS coating was selected because it provided the best responses for most of the targeted compounds. In fact, the DVB/CAR/PDMS fibre has been extensively used for the simultaneous determination of a wide range of earthy‐musty compounds, including chloroanisoles, halophenols, GSM, 2MIB, alkyl‐methoxypyrazines, 1‐octen‐3‐one and 1‐octen‐3‐ol from water, cork, wine and other beverage samples 1,6,8,11,14,15,19,27,34–42 …”

Section: Resultsmentioning

confidence: 99%

“…The choice of the SPME fibre coating was the first parameter to be alkyl-methoxypyrazines, 1-octen-3-one and 1-octen-3-ol from water, cork, wine and other beverage samples. 1,6,8,11,14,15,19,27,[34][35][36][37][38][39][40][41][42]…”

Section: Fibre Evaluationmentioning

confidence: 99%

Development and optimization of a quantitative analysis of main odorants causing off flavours in cork stoppers using headspace solid‐phase microextraction gas chromatography tandem mass spectrometry

Jové¹,

Pareras

Nadal³

et al. 2021

J Mass Spectrom

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A simple and sensitive method was developed and validated to simultaneously separate and determine the 2‐Methoxy‐3,5‐dimethylpyrazine, 2‐Isopropyl‐3‐methoxypyrazine, guaiacol, 2‐Isobutyl‐3‐methoxypyrazine, 2‐Methylisoborneol, geosmin, 2,4,6‐Trichloroanisole, 2,3,4,6‐Tetrachloroanisole, 2,4,6‐Tribromoanisole and Pentachloroanisole in cork stoppers via headspace solid‐phase microextraction (HS‐SPME) coupled with gas chromatography tandem mass spectrometry (GC–MS/MS). The influence of the fibre coating used, the extraction times and temperatures, the sodium chloride additions and the desorption temperatures were investigated. Once done, the optimial HS‐SPME conditions established were divinylbenzene/carboxenpolydimethylsiloxane/polydimethylsiloxane (DVB/CAR/PDMS) fibres, a 50°C extraction temperature, 60‐min extraction time, an ionic strength of 3‐g sodium chlorid and a 290°C desorption temperature. The method showed a good linearity (R2 ≥ 0.994) within the tested range (from 0.1 to 50 ng L−1) for all the compounds. Using TCA‐d10 and MIB‐d3 as internal standards the precision, expressed as repeatability and reproducibility RSD, was <10% in both. Note that the limits of quantifications (LOQs) are below the sensory threshold levels for such compounds in water and wine. Good recoveries were obtained for cork macerates (from 100.4% to 126%) and when compared with other reported methods using HS‐SPME in water and cork stopper samples, the present method had more analytes with the lowest limit of detection for most of the targeted compounds, along with good precision and recovery.

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“…GSM and MIB were extracted from the sample matrix by headspace solid phase microextraction (HS-SPME), modified from the method reported by Peng et al (2014). First, 1 g of fish flesh or 1 mL of water was placed in a 10 mL HS vial.…”

Section: Methodsmentioning

confidence: 99%

Depuration of geosmin- and 2-methylisoborneol-induced off-flavors in recirculating aquaculture system (RAS) farmed European whitefish Coregonus lavaretus

et al. 2019

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European whitefish Coregonus lavaretus has increasingly become an important species for aquatic food production, especially in the Nordic countries. Whitefish is produced in traditional cage and pond operations, and in recirculating aquaculture system (RAS) in which, unfortunately, off-flavors and odors, mostly caused by geosmin (GSM) and 2-methylisoborneol (MIB), can accumulate in fish flesh from the circulating water. GSM and MIB have very low human sensory detection limits and, therefore, often disliked by consumers even at low concentrations. In this study, concentrations of GSM and MIB in RAS farmed European whitefish were studied by an analytical method based on headspace solid phase microextraction and gas chromatography–mass spectrometry. Concentrations were determined in different parts of fish: fillet, neck, belly, and tail during a depuration period and in depuration water. The highest initial concentrations were on average 32 ng g−1 (GSM) and 24 ng g−1 (MIB) in European whitefish fillet and 128 ng L−1 (GSM) and 94 ng L−1 (MIB) in water, respectively. After a depuration period of 16 days, concentrations decreased to below the detection limits, indicating the importance of the depuration period.Electronic supplementary materialThe online version of this article (10.1007/s13197-019-03910-7) contains supplementary material, which is available to authorized users.

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Determination of Seven Odorants in Purified Water Among Worldwide Brands by HS-SPME Coupled to GC–MS

Cited by 17 publications

References 42 publications

Simultaneous assessments of occurrence, ecological, human health, and organoleptic hazards for 77 VOCs in typical drinking water sources from 5 major river basins, China

Simultaneous assessments of occurrence, ecological, human health, and organoleptic hazards for 77 VOCs in typical drinking water sources from 5 major river basins, China

Development and optimization of a quantitative analysis of main odorants causing off flavours in cork stoppers using headspace solid‐phase microextraction gas chromatography tandem mass spectrometry

Depuration of geosmin- and 2-methylisoborneol-induced off-flavors in recirculating aquaculture system (RAS) farmed European whitefish Coregonus lavaretus

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