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Yu M, Xie Q, Sun H, Wang Y, Tang Y, Wang B, Song H, Wang L, Jiang S, Li K, Zhang Y, Zheng C. Characterization of odor properties of human milk: Effect of inter-individual nutrient differences on key odor-active compounds and odor attributes. Food Chem 2024; 431:137091. [PMID: 37567077 DOI: 10.1016/j.foodchem.2023.137091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023]
Abstract
Odor is an important indicator of human milk (HM) quality, with a proven function. Here, the effect of inter-individual nutrient differences on key odor-active compounds (OACs) and odor attributes of HM samples was investigated using flavor analysis techniques and correlation network analysis. A total of ninety-four OACs were identified from 30 HMs, of which 24 key OACs could represent the basic odor characteristics of HMs. Fat content was closely related to the amounts of OACs, with aldehydes being the most abundant species and having the highest correlation with fat content. Of them, nonanal and octanal were the most important OACs in HM, having both high flavor dilution factor (2 ∼ 64, 4 ∼ 128) and odor activity values (<1 ∼ 37, 2 ∼ 36) in most samples. Additionally, different pattern of synergism between key OACs contribute to each odor attribute of HM. These findings will provide insights for subsequent in-depth studies of HM flavor.
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Affiliation(s)
- Mingguang Yu
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Qinggang Xie
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing 100015, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Han Sun
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing 100015, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Ying Wang
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Yuan Tang
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Baosong Wang
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Huanlu Song
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China.
| | - Lijin Wang
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Shilong Jiang
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing 100015, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Kaifeng Li
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing 100015, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Yongjiu Zhang
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing 100015, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Chengdong Zheng
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing 100015, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China.
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2
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Eor P, Byington M, Anderson JL. Comparing π-complexation capabilities of ionic liquids containing silver(I) and copper(I) ions by headspace single drop microextraction in combination with high-performance liquid chromatography. J Sep Sci 2023; 46:e2300649. [PMID: 37811738 DOI: 10.1002/jssc.202300649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/25/2023] [Accepted: 09/25/2023] [Indexed: 10/10/2023]
Abstract
Selective π-complexation capabilities of silver(I) and copper(I) ions can be effectively facilitated in ionic liquids. To understand the effects of environmental factors that influence the π-complexation of these metal ions with analytes, techniques that employ small volumes of ionic liquid that can be readily analyzed are desired. In this study, headspace single drop microextraction coupled with HPLC is used to investigate a diverse set of environmental factors on the metal ion-mediated complexation with aromatic compounds in ionic liquid media. Silver(I) and copper(I) bis[(trifluoromethyl)sulfonyl]imide salts were both studied by dissolving them in the 1-decyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ionic liquid and employing the mixture as extraction media for aromatic compounds. Water and acetonitrile within the sample solution were observed to interfere with the complexation of silver(I) ions and aromatic compounds, while ethylene glycol and triethylene glycol did not. The temperature and extraction times were optimized to fully facilitate the π-complexation capabilities of metal ions in ionic liquid media. Partition coefficients between the sample headspace and metal ion were determined using a three-phase equilibria model. Although no discernable difference in analyte partitioning between the headspace and ionic liquid solvent was observed, analyte partition coefficients to silver(I) ion tended to be greater compared to copper(I) ion.
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Affiliation(s)
- Philip Eor
- Ames National Laboratory-USDOE, Ames, Iowa, USA
- Department of Chemistry, Iowa State University, Ames, Iowa, USA
| | | | - Jared L Anderson
- Ames National Laboratory-USDOE, Ames, Iowa, USA
- Department of Chemistry, Iowa State University, Ames, Iowa, USA
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3
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Stilo F, Alladio E, Squara S, Bicchi C, Vincenti M, Reichenbach SE, Cordero C, Bizzo HR. Delineating unique and discriminant chemical traits in Brazilian and Italian extra-virgin olive oils by quantitative 2D-fingerprinting and pattern recognition algorithms. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.104899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Letseka TE, Sepheka NJ, Dubery IA, George MJ. Bioprospecting of Essential Oil-Bearing Plants: Rapid Screening of Volatile Organic Compounds Using Headspace Bubble-in-Drop Single-Drop Microextraction for Gas Chromatography Analysis. PLANTS (BASEL, SWITZERLAND) 2022; 11:2749. [PMID: 36297773 PMCID: PMC9609334 DOI: 10.3390/plants11202749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
Essential oils are vital constituents of oil-bearing plants. However, their screening still demands harvesting of the plant for laboratory analysis. We report herein a simple, rapid and robust headspace bubble-in-drop microextraction screening technique (BID-SPME) requiring only small amounts of plant material. The optimised method uses 0.5 g of the crushed plant leaves sample obtained in a 2 mL capped chromatography vial, heated to 55 °C and sampled with 2 µL heptadecane in a Hamilton gastight syringe equilibrated for 15 min exposed to the headspace volume. The method was applied to three plants, Pinus radiata, Tagetes minuta and Artemisia afra, which are known for their essential oil content. The method was able to extract at least 80% of the oil constituents in such abundance that they could be easily annotated using the gas chromatography-mass spectrometry (GC-MS) mass spectral libraries. The major volatile organic compounds (VOCs) detected included tagetone, terpinen-4-ol, ocimenone, caryophyllene, dihydrotagetone, terpinolene and artemisia ketone, just to mention a few, at different concentrations in different plants. Importantly, these annotated VOCs were also reported in other studies in the same and even different plants, extracted using normal steam distillation and importantly those reported in the literature for different extraction techniques.
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Affiliation(s)
- Thabiso E. Letseka
- Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Box 180, Roma 100, Lesotho
| | - Ntjana J. Sepheka
- Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Box 180, Roma 100, Lesotho
| | - Ian A. Dubery
- Department of Biochemistry, University of Johannesburg, P.O. Box 524, Johannesburg 2006, South Africa
| | - Mosotho J. George
- Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Box 180, Roma 100, Lesotho
- Department of Biochemistry, University of Johannesburg, P.O. Box 524, Johannesburg 2006, South Africa
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Abolghasemi MM, Piryaei M. Hexagonal Ordered Mesoporous Silica-Coated by Polypyrrole as a Coating for Inside Needle Capillary Adsorption Trap of Polycyclic Aromatic Hydrocarbons. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2020.1852282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Marzieh Piryaei
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh, Iran
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6
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Comparison of Phenolic Profile of Balsamic Vinegars Determined Using Liquid and Gas Chromatography Coupled with Mass Spectrometry. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041356. [PMID: 35209145 PMCID: PMC8874619 DOI: 10.3390/molecules27041356] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 11/29/2022]
Abstract
Balsamic vinegar is one of the best known and most popular types of vinegar, and it is a rich source of polyphenolic compounds. The quality of balsamic vinegar as well as the content of phenolic substances vary depending on the production method. In the present work, we have developed a method for comprehensive characterization of the content of phenolic compounds in balsamic vinegars based on the combination of gas chromatography (GC) and high-performance liquid chromatography (HPLC) coupled with mass spectrometric detection in single mode (MS) and tandem mode (MS/MS). In total, 14 samples of different types of balsamic vinegar were analyzed without difficulty in sample preparation. The separation conditions and detection parameters of HPLC-MS/MS were optimized and used for the determination of 29 phenolic compounds and 6 phenolic acids. The profile of phenolic compounds was completed by semi-quantitative analysis of volatile organic compounds using GC-MS after optimized headspace solid-phase microextraction. Gallic acid, protocatechuic acid, caffeic acid, and p-coumaric acid have been identified as the major phenolic compounds in balsamic vinegars.
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7
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Stilo F, Liberto E, Reichenbach SE, Tao Q, Bicchi C, Cordero C. Exploring the Extra-Virgin Olive Oil Volatilome by Adding Extra Dimensions to Comprehensive Two-Dimensional Gas Chromatography and Time-of-Flight Mass Spectrometry Featuring Tandem Ionization: Validation of Ripening Markers in Headspace Linearity Conditions. J AOAC Int 2021; 104:274-287. [PMID: 34020455 DOI: 10.1093/jaoacint/qsaa095] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND Comprehensive two-dimensional gas chromatography (GC×GC) combined with time-of-flight (TOF) MS is the most informative analytical approach for chemical characterization of the complex food volatilome. Key analytical features include separation power and resolution enhancement, improved sensitivity, and structured separation patterns from chemically correlated analytes. OBJECTIVE In this study, we explore the complex extra-virgin olive oil volatilome by combining headspace (HS) solid-phase microextraction (SPME), applied under HS linearity conditions to GC×GC-TOF MS and featuring hard and soft ionization in tandem. METHOD Multiple analytical dimensions are combined in a single run and evaluated in terms of chemical dimensionality, method absolute and relative sensitivity, identification reliability provided by spectral signatures acquired at 70 and 12 eV, and dynamic and linear range of response provided by soft ionization. RESULTS Method effectiveness is validated on a sample set of oils from Picual olives at different ripening stages. Ripening markers [3,4-diethyl-1,5-hexadiene (RS/SR), 3,4-diethyl-1,5-hexadiene (meso), (5Z)-3-ethyl-1,5-octadiene, (5E)-3-ethyl-1,5-octadiene, (E, Z)-3,7-decadiene and (E, E)-3,7-decadiene, (Z)-2-hexenal, (Z)-3-hexenal and (Z)-3-hexenal, (E)-2-pentenal, (Z)-2-pentenal, 1-pentanol, 1-penten-3-ol, 3-pentanone, and 1-penten-3-one] and quality indexes [(Z)-3-hexenal/nonanal, (Z)-3-hexenal/octane, (E)-2-pentenal/nonanal, and (E)-2-pentenal/octane] are confirmed for their validity in HS linearity conditions. CONCLUSIONS For the complex olive oil volatilome, the proposed approach offers concrete advantages for the validation of the informative role of existing analytes while suggesting new potential markers to be studied in larger sample sets. HIGHLIGHTS The accurate fingerprinting of volatiles by HS-SPME operating in HS linearity conditions followed by GC×GC-TOF MS featuring tandem ionization gives the opportunity to improve the quality of analytical data and reliability of results.
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Affiliation(s)
- Federico Stilo
- Università degli Studi di Torino, Dipartimento di Scienza e Tecnologia del Farmaco, Via Pietro Giuria 9, 10125, Torino, Italy
| | - Erica Liberto
- Università degli Studi di Torino, Dipartimento di Scienza e Tecnologia del Farmaco, Via Pietro Giuria 9, 10125, Torino, Italy
| | - Stephen E Reichenbach
- GC Image LLC, 201 N 8th Street Unit 420, Lincoln, NE 68508, USA.,University of Nebraska-Lincoln, Computer Science and Engineering Department, 256 Avery Hall, Lincoln, NE 68588, USA
| | - Qingping Tao
- GC Image LLC, 201 N 8th Street Unit 420, Lincoln, NE 68508, USA
| | - Carlo Bicchi
- Università degli Studi di Torino, Dipartimento di Scienza e Tecnologia del Farmaco, Via Pietro Giuria 9, 10125, Torino, Italy
| | - Chiara Cordero
- Università degli Studi di Torino, Dipartimento di Scienza e Tecnologia del Farmaco, Via Pietro Giuria 9, 10125, Torino, Italy
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Werrie PY, Burgeon C, Le Goff GJ, Hance T, Fauconnier ML. Biopesticide Trunk Injection Into Apple Trees: A Proof of Concept for the Systemic Movement of Mint and Cinnamon Essential Oils. FRONTIERS IN PLANT SCIENCE 2021; 12:650132. [PMID: 33897739 PMCID: PMC8063119 DOI: 10.3389/fpls.2021.650132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/05/2021] [Indexed: 05/25/2023]
Abstract
The use of conventional pesticides is debated because of their multiple potential adverse effects on non-target organisms, human health, pest resistance development and environmental contaminations. In this setting, this study focused on developing alternatives, such as trunk-injected essential oil (EO)-based biopesticides. We analysed the ecophysiology of apple trees (Malus domestica) following the injection of Cinnamomum cassia and Mentha spicata nanoemulsions in the tree's vascular system. Targeted and untargeted volatile organic compounds (VOCs) analyses were performed on leaf-contained and leaf-emitted VOCs and analysed through dynamic headspace-gas chromatography-mass spectrometry (DHS-GC-MS) and thermal desorption unit (TDU)-GC-MS. Our results showed that carvone, as a major constituent of the M. spicata EO, was contained in the leaves (mean concentrations ranging from 3.39 to 19.7 ng gDW -1) and emitted at a constant rate of approximately 0.2 ng gDW -1 h-1. Trans-cinnamaldehyde, C. cassia's major component, accumulated in the leaves (mean concentrations of 83.46 and 350.54 ng gDW -1) without being emitted. Furthermore, our results highlighted the increase in various VOCs following EO injection, both in terms of leaf-contained VOCs, such as methyl salicylate, and in terms of leaf-emitted VOCs, such as caryophyllene. Principal component analysis (PCA) highlighted differences in terms of VOC profiles. In addition, an analysis of similarity (ANOSIM) and permutational multivariate analysis of variance (PERMANOVA) revealed that the VOC profiles were significantly impacted by the treatment. Maximum yields of photosystem II (Fv/Fm) were within the range of 0.80-0.85, indicating that the trees remained healthy throughout the experiment. Our targeted analysis demonstrated the systemic translocation of EOs through the plant's vascular system. The untargeted analysis, on the other hand, highlighted the potential systemic acquired resistance (SAR) induction by these EOs. Lastly, C. cassia and M. spicata EOs did not appear phytotoxic to the treated trees, as demonstrated through chlorophyll fluorescence measurements. Hence, this work can be seen as a proof of concept for the use of trunk-injected EOs given the systemic translocation, increased production and release of biogenic VOCs (BVOCs) and absence of phytotoxicity. Further works should focus on the ecological impact of such treatments in orchards, as well as apple quality and production yields.
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Affiliation(s)
- Pierre-Yves Werrie
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
| | - Clément Burgeon
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
| | - Guillaume Jean Le Goff
- Biodiversity Research Center, Earth and Life Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Thierry Hance
- Biodiversity Research Center, Earth and Life Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Marie-Laure Fauconnier
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
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Gaca A, Kludská E, Hradecký J, Hajšlová J, Jeleń HH. Changes in Volatile Compound Profiles in Cold-Pressed Oils Obtained from Various Seeds during Accelerated Storage. Molecules 2021; 26:molecules26020285. [PMID: 33430033 PMCID: PMC7827483 DOI: 10.3390/molecules26020285] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 12/29/2020] [Accepted: 01/05/2021] [Indexed: 11/16/2022] Open
Abstract
Cold-pressed oils are highly valuable sources of unsaturated fatty acids which are prone to oxidation processes, resulting in the formation of lipid oxidation products, which may deteriorate the sensory quality of the produced oil. The aim of the study was to determine the main volatile compounds which differentiate examined oils and could be used as the markers of lipid oxidation in various oils. In the experiment, cold-pressed oils-brown flaxseed, golden flaxseed, hempseed, milk thistle, black cumin, pumpkin, white poppy seed, blue poppy seed, white sesame, black sesame and argan oils from raw and roasted kernels-were analyzed. To induce oxidative changes, an accelerate storage test was performed, and oils were kept at 60 °C for 0, 2, 4, 7 and 10 days. Volatile compound profiling was performed using SPME-GC-HRToFMS. Additionally, basic measurements such as fatty acid composition, peroxide value, scavenging activity and phenolic compound contents were carried out. Multivariate statistical analyses with volatile compound profiling allow us to differentiate oils in terms of plant variety, oxidation level and seed treatment before pressing. Comparing black cumin cold-pressed oil with other oils, significant differences in volatile compound profiles and scavenging activity were observed. Compounds that may serve as indicators of undergoing oxidation processes in flaxseed, poppy seed, milk thistle and hemp oils were determined.
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Affiliation(s)
- Anna Gaca
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland;
| | - Eliška Kludská
- Department of Food Analysis and Nutrition, University of Chemistry and Technology, 166 28 Prague 6, Czech Republic; (E.K.); (J.H.); (J.H.)
| | - Jaromír Hradecký
- Department of Food Analysis and Nutrition, University of Chemistry and Technology, 166 28 Prague 6, Czech Republic; (E.K.); (J.H.); (J.H.)
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 165 00 Prague, Czech Republic
| | - Jana Hajšlová
- Department of Food Analysis and Nutrition, University of Chemistry and Technology, 166 28 Prague 6, Czech Republic; (E.K.); (J.H.); (J.H.)
| | - Henryk H. Jeleń
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland;
- Correspondence: ; Tel.: +48-61-848-72-73
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Chen Y, Shukurova MK, Asikin Y, Kusano M, Watanabe KN. Characterization of Volatile Organic Compounds in Mango Ginger ( Curcuma amada Roxb.) from Myanmar. Metabolites 2020; 11:21. [PMID: 33396947 PMCID: PMC7824228 DOI: 10.3390/metabo11010021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/28/2020] [Accepted: 12/28/2020] [Indexed: 11/30/2022] Open
Abstract
Curcuma amada Roxb. (Zingiberaceae), commonly known as mango ginger because its rhizome and foliar parts have a similar aroma to mango. The rhizome has been widely used in food industries and alternative medicines to treat a variety of internal diseases such as cough, bronchitis, indigestion, colic, loss of appetite, hiccups, and constipation. The composition of the volatile constituents in a fresh rhizome of C. amada is not reported in detail. The present study aimed to screen and characterize the composition of volatile organic compound (VOC) in a fresh rhizome of three C. amada (ZO45, ZO89, and ZO114) and one C. longa (ZO138) accessions originated from Myanmar. The analysis was carried out by means of headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-time-of-flight-mass spectrometry (GC-TOF-MS). As a result, 122 VOCs were tentatively identified from the extracted 373 mass spectra. The following compounds were the ten most highly abundant and broadly present ones: ar-turmerone, α-zingiberene, α-santalene, (E)-γ-atlantone, cuparene, β-bisabolene, teresantalol, β-sesquiphellandrene, trans-α-bergamotene, γ-curcumene. The intensity of ar-turmerone, the sesquiterpene which is mainly characterized in C. longa essential oil (up to 15.5-27.5%), was significantly higher in C. amada accession ZO89 (15.707 ± 5.78a) compared to C. longa accession ZO138 (0.300 ± 0.08b). Cis-α-bergamotene was not detected in two C. amada accessions ZO45 and ZO89. The study revealed between-species variation regarding identified VOCs in the fresh rhizome of C. amada and C. longa.
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Affiliation(s)
- Yanhang Chen
- Graduate School of Life and Environmental Science, University of Tsukuba, Ibaraki 305-8572, Japan; (Y.C.); (M.K.S.)
| | - Musavvara Kh. Shukurova
- Graduate School of Life and Environmental Science, University of Tsukuba, Ibaraki 305-8572, Japan; (Y.C.); (M.K.S.)
| | - Yonathan Asikin
- Department of Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus, Okinawa 903-0213, Japan;
| | - Miyako Kusano
- Faculty of Life and Environmental Science, University of Tsukuba, Ibaraki 305-8572, Japan;
- Tsukuba-Plant Innovation Research Center, University of Tsukuba, Ibaraki 305-8572, Japan
| | - Kazuo N. Watanabe
- Faculty of Life and Environmental Science, University of Tsukuba, Ibaraki 305-8572, Japan;
- Tsukuba-Plant Innovation Research Center, University of Tsukuba, Ibaraki 305-8572, Japan
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11
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Hu Y, Zhang L, Wen R, Chen Q, Kong B. Role of lactic acid bacteria in flavor development in traditional Chinese fermented foods: A review. Crit Rev Food Sci Nutr 2020; 62:2741-2755. [PMID: 33377402 DOI: 10.1080/10408398.2020.1858269] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Traditional Chinese fermented foods are favored by consumers due to their unique flavor, texture and nutritional values. A large number of microorganisms participate in the process of fermentation, especially lactic acid bacteria (LAB), which are present in almost all fermented foods and contribute to flavor development. The formation process of flavor is complex and involves the biochemical conversion of various food components. It is very important to fully understand the conversion process to direct the flavor formation in foods. A comprehensive link between the LAB community and the flavor formation in traditional Chinese fermented foods is reviewed. The main mechanisms involved in the flavor formation dominated by LAB are carbohydrate metabolism, proteolysis and amino acid catabolism, and lipolysis and fatty acid metabolism. This review highlights some useful novel approaches for flavor enhancement, including the application of functional starter cultures and metabolic engineering, which may provide significant advances toward improving the flavor of fermented foods for a promising market.
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Affiliation(s)
- Yingying Hu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Lang Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Rongxin Wen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Qian Chen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
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12
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Çelik G, Kılıç G, Kanbolat Ş, Özlem Şener S, Karaköse M, Yaylı N, Karaoğlu ŞA. Biological activity, and volatile and phenolic compounds from five Lamiaceae species. FLAVOUR FRAG J 2020. [DOI: 10.1002/ffj.3636] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Gonca Çelik
- Faculty of Science Department of Chemistry Karadeniz Technical University Trabzon Turkey
| | - Gözde Kılıç
- Faculty of Pharmacy Department of Natural and herbal products Karadeniz Technical University Trabzon Turkey
| | - Şeyda Kanbolat
- Faculty of Pharmacy Department of Biochemistry Karadeniz Technical University Trabzon Turkey
| | - Sıla Özlem Şener
- Faculty of Pharmacy Department of Pharmacognosy Karadeniz Technical University Trabzon Turkey
| | | | - Nurettin Yaylı
- Faculty of Pharmacy Department of Pharmacognosy Karadeniz Technical University Trabzon Turkey
| | - Şengül Alpay Karaoğlu
- Faculty of Science Department of Biology Recep Tayyip Erdoğan University Trabzon Turkey
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Niculau EDS, Alves PB, Nogueira PCDL, Romão LPC, Cunha GDC, Blank AF, Silva ADC. Chemical Profile and Use of the Peat as an Adsorbent for Extraction of Volatile Compounds from Leaves of Geranium ( Pelargonium graveolens L' Herit). Molecules 2020; 25:molecules25214923. [PMID: 33114417 PMCID: PMC7662363 DOI: 10.3390/molecules25214923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/21/2020] [Accepted: 10/22/2020] [Indexed: 11/16/2022] Open
Abstract
Volatile organic compounds (VOCs) from leaves of geranium (Pelargonium graveolens L’ Herit) were extracted by dynamic headspace using Porapak Q (HSD-P) as adsorbent and peat, a novel adsorbent in the extraction of plant volatiles, analyzed by gas chromatography–mass spectrometry (GC/MS) and gas chromatography–flame ionization (GC/FID), and the results were compared with those obtained by hydrodistillation (HD). The yield volatiles changed with the extraction method. HD was more efficient for extracting linalool (11.19%) and citronellyl formate (9.41%). Citronellol (28.06%), geraniol (38.26%) and 6,9-guaiadiene (9.55%) and geranyl tiglate (8.21%) were the major components identified by dynamic headspace using peat (HSD-T), while citronellol (16.88%), geraniol (13.63%), 6,9-guaiadiene (16.98%) and citronellyl formate (6.95%) were identified by dynamic headspace using Porapak Q (HSD-P). Furthermore, this work showed, for the first time, that in natura peat is useful to extract VOCs from leaves of geranium.
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Affiliation(s)
- Edenilson dos Santos Niculau
- Curso de Química, Centro de Ciências Integradas, Universidade Federal do Tocantins, Av. Paraguai, s/n–esquina com Rua Uxiramas, Araguaína 77824-838, TO, Brazil
- Departamento de Química, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brazil; (P.B.A.); (P.C.d.L.N.); (L.P.C.R.); (G.d.C.C.)
- Correspondence: ; Tel.: +55-63-3416-5681
| | - Péricles Barreto Alves
- Departamento de Química, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brazil; (P.B.A.); (P.C.d.L.N.); (L.P.C.R.); (G.d.C.C.)
| | - Paulo Cesar de Lima Nogueira
- Departamento de Química, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brazil; (P.B.A.); (P.C.d.L.N.); (L.P.C.R.); (G.d.C.C.)
| | - Luciane Pimenta Cruz Romão
- Departamento de Química, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brazil; (P.B.A.); (P.C.d.L.N.); (L.P.C.R.); (G.d.C.C.)
| | - Graziele da Costa Cunha
- Departamento de Química, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brazil; (P.B.A.); (P.C.d.L.N.); (L.P.C.R.); (G.d.C.C.)
| | - Arie Fitzgerald Blank
- Departamento de Engenharia Agronômica, Universidade Federal de Sergipe, São Cristóvão 49100-000, Brazil; (A.F.B.); (A.d.C.S.)
| | - Anderson de Carvalho Silva
- Departamento de Engenharia Agronômica, Universidade Federal de Sergipe, São Cristóvão 49100-000, Brazil; (A.F.B.); (A.d.C.S.)
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Cha J, Chin YW, Lee JY, Kim TW, Jang HW. Analysis of Volatile Compounds in Soju, a Korean Distilled Spirit, by SPME-Arrow-GC/MS. Foods 2020; 9:foods9101422. [PMID: 33050013 PMCID: PMC7601619 DOI: 10.3390/foods9101422] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/24/2020] [Accepted: 10/02/2020] [Indexed: 12/14/2022] Open
Abstract
The SPME Arrow technology—a novel solid phase micro-extraction technique—was used to analyze Soju, a traditional Korean distilled liquor, in barrels made of Quercus spp. The volatile compounds detected when the barrels were toasted were analyzed. Five types of sorbents—carbon wide range/polydimethylsiloxane, divinylbenzene/carbon wide range/polydimethylsiloxane, divinylbenzene/polydimethylsiloxane, polydimethylsiloxane, and polyacrylate—were used for this investigation. Fifty-four volatile compounds were detected in Soju using gas chromatography/mass spectrometry. A high extraction efficiency was obtained using carbon wide range/polydimethylsiloxane. Nineteen samples were analyzed using barrels made of six species of carbonated oak (Q. aliena, Q. variabilis, Q. dentate, Q. acutissima, Q. mongolica, and Q. serrata) and control groups in three ways: noncharring, medium charring, and heavy charring. Ethanol, 1-propanol, isoamyl acetate, and isoamyl alcohol can be used as indicator volatile components for Soju and other such traditional Korean distilled liquors. We believe our study results can be used to design better analysis methods for Soju and other distilled liquors.
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Affiliation(s)
| | | | | | - Tae-Wan Kim
- Correspondence: (T.-W.K.); (H.W.J.); Tel.: +82-63-219-9368 (T.-W.K.); +82-63-219-9377 (H.W.J.); Fax: +82-63-219-9076 (T.-W.K.); +82-63-219-9055 (H.W.J.)
| | - Hae Won Jang
- Correspondence: (T.-W.K.); (H.W.J.); Tel.: +82-63-219-9368 (T.-W.K.); +82-63-219-9377 (H.W.J.); Fax: +82-63-219-9076 (T.-W.K.); +82-63-219-9055 (H.W.J.)
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15
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Stilo F, Liberto E, Spigolon N, Genova G, Rosso G, Fontana M, Reichenbach SE, Bicchi C, Cordero C. An effective chromatographic fingerprinting workflow based on comprehensive two-dimensional gas chromatography - Mass spectrometry to establish volatiles patterns discriminative of spoiled hazelnuts (Corylus avellana L.). Food Chem 2020; 340:128135. [PMID: 33011466 DOI: 10.1016/j.foodchem.2020.128135] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/28/2022]
Abstract
The volatile fraction of hazelnuts encrypts information about: cultivar/geographical origin, post-harvest treatments, oxidative stability and sensory quality. However, sensory features could be buried under other dominant chemical signatures posing challenges to an effective classification based on pleasant/unpleasant notes. Here a novel workflow that combines Untargeted and Targeted (UT) fingerprinting on comprehensive two-dimensional gas-chromatographic patterns is developed to discriminate spoiled hazelnuts from those of acceptable quality. By flash-profiling, six hazelnut classes are defined: Mould, Mould-rancid-solvent, Rancid, Rancid-stale, Rancid-solvent, and Uncoded KO. Chromatographic fingerprinting on composite 2D chromatograms from samples belonging to the same class (i.e., composite class-images) enabled effective selection of chemical markers: (a) octanoic acid that guides the sensory classification being positively correlated to mould; (b) ƴ-nonalactone, ƴ-hexalactone, acetone, and 1-nonanol that are decisive to classify OK and rancid samples; (c) heptanoic and hexanoic acids and ƴ-octalactone present in high relative abundance in rancid-solvent and rancid-stale samples.
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Affiliation(s)
- Federico Stilo
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, I-10125 Torino, Italy.
| | - Erica Liberto
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, I-10125 Torino, Italy.
| | - Nicola Spigolon
- Soremartec Italia Srl, Piazzale Ferrero 1, Alba (Cuneo), Italy
| | - Giuseppe Genova
- Soremartec Italia Srl, Piazzale Ferrero 1, Alba (Cuneo), Italy
| | - Ginevra Rosso
- Soremartec Italia Srl, Piazzale Ferrero 1, Alba (Cuneo), Italy
| | - Mauro Fontana
- Soremartec Italia Srl, Piazzale Ferrero 1, Alba (Cuneo), Italy
| | - Stephen E Reichenbach
- University of Nebraska-Lincoln, MS 0115, Lincoln, NE, 68588-0115, USA; GC Image LLC, PO Box 57403, Lincoln, NE 68505-7403, USA.
| | - Carlo Bicchi
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, I-10125 Torino, Italy.
| | - Chiara Cordero
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, I-10125 Torino, Italy.
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16
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Direct Mass Spectrometry with Online Headspace Sample Pretreatment for Continuous Water Quality Monitoring. WATER 2020. [DOI: 10.3390/w12071843] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This study investigates the use of selected ion flow tube mass spectrometry with an automated headspace pretreatment system for the continuous surveillance of water quality at wastewater treatment plants (WWTPs) and rivers. The reaction rates of the target compounds introduced using the headspace method were similar to those of the mass scan library, with a margin of error of <10%. Novel quantitative formulae were derived for the water samples of the target compounds, and the linearity of the calibration curves for both the purified and effluent matrix (0.1–2.0 mg/L) showed a coefficient of determination of 0.98–0.99 for most compounds. The detection limit for 74% of the target substances was 0.02–0.10 mg/L, and the average recoveries were 111.6% and 104.7% for the low- and high-concentration spiked samples, respectively, which are comparable to those of the headspace gas chromatography-mass spectrometry system. However, the variability in individual concentrations was still large, due to the unstable control of sample injection flow and pressure. Herein, 79% of the 28 compounds met one-tenth of the proposed method detection limit criteria for emergency operations in WWTP. Field experiments showed that the system was easy to maintain and could be used to monitor chemical accidents.
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Rodinkov OV, Bugaichenko AS, Moskvin LN. Static Headspace Analysis and Its Current Status. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s106193482001013x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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18
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Tanaka F, Magariyama Y, Miyanoshita A. Volatile biomarkers for early-stage detection of insect-infested brown rice: Isopentenols and polysulfides. Food Chem 2020; 303:125381. [PMID: 31473459 DOI: 10.1016/j.foodchem.2019.125381] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 08/16/2019] [Accepted: 08/17/2019] [Indexed: 10/26/2022]
Abstract
To reduce food loss from stored products by insect attack, monitoring and early detection of insects are essential. Presently, monitoring with pheromone traps is the primary method for detection; however, traps are effective only after the insects propagate. Detection and identification of the early volatile biomarkers arising from insect-infested brown rice was performed in this study to develop an alternative detection strategy. Brown rice was infested with eggs of seven insect species, including Sitophilus zeamais and Plodia interpunctella. Infested rice emitted at least one of the volatile compounds prenol, isoprenol, dimethyl disulfide, and dimethyl trisulfide (DMTS). In particular, isopentenols were generated by moths within one week of infestation, whereas they were not released from non-infested rice. DMTS was detected from all insect-infested brown rice, especially S. zeamais and P. interpunctella. These volatiles are potential early biomarkers for the presence of insects in brown rice.
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Affiliation(s)
- Fukuyo Tanaka
- Central Region Agricultural Research Center, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki 305-8666, Japan.
| | - Yukio Magariyama
- Food Research Institute, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki 305-8642, Japan.
| | - Akihiro Miyanoshita
- Food Research Institute, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki 305-8642, Japan.
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19
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Highly Informative Fingerprinting of Extra-Virgin Olive Oil Volatiles: The Role of High Concentration-Capacity Sampling in Combination with Comprehensive Two-Dimensional Gas Chromatography. SEPARATIONS 2019. [DOI: 10.3390/separations6030034] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The study explores the complex volatile fraction of extra-virgin olive oil by combining high concentration-capacity headspace approaches with comprehensive two-dimensional gas chromatography, which is coupled with time of flight mass spectrometry. The static headspace techniques in this study are: (a) Solid-phase microextraction, with multi-polymer coating (SPME- Divinylbenzene/Carboxen/Polydimethylsiloxane), which is taken as the reference technique; (b) headspace sorptive extraction (HSSE) with either a single-material coating (polydimethylsiloxane—PDMS) or a dual-phase coating that combines PDMS/Carbopack and PDMS/EG (ethyleneglycol); (c) monolithic material sorptive extraction (MMSE), using octa-decyl silica combined with graphite carbon (ODS/CB); and dynamic headspace (d) with either PDMS foam, operating in partition mode, or Tenax TA™, operating in adsorption mode. The coverage of both targeted and untargeted 2D-peak-region features, which corresponds to detectable analytes, was examined, while concentration factors (CF) for a selection of informative analytes, including key-odorants and off-odors, and homolog-series relative ratios were calculated and the information capacity was discussed. The results highlighted the differences in concentration capacities, which were mainly caused by polymer-accumulation characteristics (sorptive/adsorptive materials) and its amount. The relative concentration capacity for homologues and potent odorants was also discussed, while headspace linearity and the relative distribution of analytes, as a function of different sampling amounts, was examined. This last point is of particular interest in quantitative studies where accurate data is needed to derive consistent conclusions.
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20
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Cacho JI, Campillo N, Viñas P, Hernández-Córdoba M. A simple device for headspace sorptive extraction prior to gas chromatography-mass spectrometry analysis. Talanta 2019; 195:796-799. [PMID: 30625619 DOI: 10.1016/j.talanta.2018.12.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 11/29/2018] [Accepted: 12/03/2018] [Indexed: 10/27/2022]
Abstract
A device for headspace sorptive extraction (HSSE) combined with gas chromatography separation and mass spectrometry detection (GC-MS) is presented. The gadget is based on a simple magnetic disk that permits the stir bar to be placed at the top of the sample vial. The complete surface of the coated stir bar is exposed to the headspace atmosphere, and the movement of the bar caused by the magnetic stirrer in the liquid sample facilitates the sorption process. The final consequence is increased sensitivity and repeatability when compared with a glass-made comercial device for the same purpose. Successful determination of ten chlorobenzenes in waters testifies the good performance of the new device.
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Affiliation(s)
- J I Cacho
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30071 Murcia, Spain
| | - N Campillo
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30071 Murcia, Spain
| | - P Viñas
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30071 Murcia, Spain
| | - M Hernández-Córdoba
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30071 Murcia, Spain.
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21
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Orban A, Fraatz MA, Rühl M. Aroma Profile Analyses of Filamentous Fungi Cultivated on Solid Substrates. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2019; 169:85-107. [PMID: 30828753 DOI: 10.1007/10_2019_87] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Filamentous fungi have been used since centuries in the production of food by means of solid substrate fermentation (SSF). The most applied SSF involving fungi is the cultivation of mushrooms, e.g., on tree stumps or sawdust, for human consumption. However, filamentous fungi are also key players during manufacturing of several processed foods, like mold cheese, tempeh, soy sauce, and sake. In addition to their nutritive values, these foods are widely consumed due to their pleasant flavors. Based on the potentials of filamentous fungi to grow on solid substrates and to produce valuable aroma compounds, in recent decades, several studies concentrated on the production of aroma compounds with SSF, turning cheap agricultural wastes into valuable flavors. In this review, we focus on the presentation of common analytical methods for volatile substances and highlight various applications of SSF of filamentous fungi dealing with the production of aroma compounds. Graphical Abstract.
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Affiliation(s)
- Axel Orban
- Justus Liebig University Giessen, Institute of Food Chemistry and Food Biotechnology, Giessen, Germany
| | - Marco A Fraatz
- Justus Liebig University Giessen, Institute of Food Chemistry and Food Biotechnology, Giessen, Germany
| | - Martin Rühl
- Justus Liebig University Giessen, Institute of Food Chemistry and Food Biotechnology, Giessen, Germany. .,Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Project Group "Bioresources", Giessen, Germany.
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22
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Sgorbini B, Cagliero C, Liberto E, Rubiolo P, Bicchi C, Cordero C. Strategies for Accurate Quantitation of Volatiles from Foods and Plant-Origin Materials: A Challenging Task. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:1619-1630. [PMID: 30644749 DOI: 10.1021/acs.jafc.8b06601] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The volatile fraction of foods and of plant-origin materials provides functional information on sample-related variables, and gas-phase extractions are ideal approaches for its accurate chemical characterization. However, for gas-phase sampling, the usual procedures adopted to standardize results from solvent extraction methods are not appropriate: headspace (HS) composition depends on the intrinsic physicochemical analyte properties (volatility, polarity, partition coefficient(s)) and matrix effects. Method development, design, and expression of the results are therefore challenging. This review article focuses on volatile vapor-phase quantitation methods (internal standard normalization, standard addition, stable isotope dilution assay, multiple headspace extraction) and their suitability in different applications. Because of the analyte informative role, the different ways of expressing results (normalized chromatographic area, percent normalized chromatographic areas, and absolute concentrations) are discussed and critically evaluated with examples of quality markers in chamomile, process contaminants (furan and 2-methylfuran) in roasted coffee, and key-aroma compounds from high-quality cocoa.
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Affiliation(s)
- Barbara Sgorbini
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
| | - Cecilia Cagliero
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
| | - Erica Liberto
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
| | - Patrizia Rubiolo
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
| | - Carlo Bicchi
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
| | - Chiara Cordero
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
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23
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Bristow R, Young I, Pemberton A, Williams J, Maher S. An extensive review of the extraction techniques and detection methods for the taste and odour compound geosmin (trans-1, 10-dimethyl-trans-9-decalol) in water. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.10.032] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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24
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Ruiz-Hernández V, Roca MJ, Egea-Cortines M, Weiss J. A comparison of semi-quantitative methods suitable for establishing volatile profiles. PLANT METHODS 2018; 14:67. [PMID: 30100921 PMCID: PMC6083509 DOI: 10.1186/s13007-018-0335-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 08/01/2018] [Indexed: 05/24/2023]
Abstract
BACKGROUND Full scent profiles emitted by living tissues can be screened by using total ion chromatograms generated in full scan mode and gas chromatography-mass spectrometry technique using Headspace Sorptive Extraction. This allows the identification of specific compounds and their absolute quantification or relative abundance. Quantifications ideally should be based on calibration curves using standards for each compound. However, the unpredictable composition of Volatile Organic Compounds (VOCs) and lack of standards make this approach difficult. Researchers studying scent profiles therefore concentrate on identifying specific scent footprints i.e. relative abundance rather than absolute quantities. We compared several semi-quantitative methods: external calibration curves generated in the sampling system and by liquid addition of standards to stir bars, total integrated peak area per fresh weight (FW), normalized peak area per FW, semi-quantification based on internal standard abundance, semi-quantification based on the nearest n-alkane and percentage of emission. Furthermore, we explored the usage of nearest components and single calibrators for semi-quantifications. RESULTS Any of the semi-quantification methods based on a standard produced similar or even identical results compared to quantification by a true-standard for a compound, except for the method based on standard addition. Each method beholds advantages and disadvantages regarding level of accuracy, experimental variability, acceptance and retrieved quantities. CONCLUSIONS Our data shows that, except for the method of standard addition to the biological sample, the rest of the semi-quantification methods studied give highly similar statistical results. Any of the methodologies presented here can therefore be considered as valid for scent profiling. Regarding relative proportions of VOCs, the generation of calibration curves for each compound analysed is not necessary.
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Affiliation(s)
- Victoria Ruiz-Hernández
- Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
- Departamento de Ciencia y Tecnología Agraria, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - María José Roca
- Servicio de Apoyo a la Investigación Tecnológica, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Marcos Egea-Cortines
- Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
- Departamento de Ciencia y Tecnología Agraria, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Julia Weiss
- Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
- Departamento de Ciencia y Tecnología Agraria, Universidad Politécnica de Cartagena, Cartagena, Spain
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25
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Kędziora-Koch K, Wasiak W. Needle-based extraction techniques with protected sorbent as powerful sample preparation tools to gas chromatographic analysis: Trends in application. J Chromatogr A 2018; 1565:1-18. [DOI: 10.1016/j.chroma.2018.06.046] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 04/12/2018] [Accepted: 06/18/2018] [Indexed: 12/31/2022]
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26
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Lee J, Shibamoto T, Ha J, Jang HW. Identification of volatile markers for the detection of adulterants in red ginseng (Panax ginseng) juice using headspace stir-bar sorptive extraction coupled with gas chromatography and mass spectrometry. J Sep Sci 2018; 41:2903-2912. [PMID: 29797772 DOI: 10.1002/jssc.201800202] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/09/2018] [Accepted: 05/10/2018] [Indexed: 01/24/2023]
Abstract
Red ginseng (Panax ginseng) products are frequently adulterated by manufacturers with cheaper medicinal plant products including deodeok (Codonopsis lanceolata) and doraji (Platycodon grandiflorum) to increase profits. To identify possible volatile markers for the adulteration of red ginseng juices with deodeok or doraji, a headspace stir-bar sorptive extraction method was developed. Gas chromatography with mass spectrometry and untargeted metabolomics analysis revealed that 1-hexanol, cis-3-hexen-1-ol, and trans-2-hexen-1-ol are abundantly present in deodeok and doraji but not red ginseng. The peak area ratios in gas chromatograms of these compounds in red ginseng juices mixed with deodeok or doraji indicate that these volatile chemicals can be used as markers to detect the adulteration of red ginseng juice.
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Affiliation(s)
- Jangho Lee
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea.,Department of Food Biotechnology, Korea University of Science and Technology, Daejeon, Republic of Korea
| | - Takayuki Shibamoto
- Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Jaeho Ha
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Hae Won Jang
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
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27
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Rapid Screening of Volatile Organic Compounds from Aframomum danielli Seeds Using Headspace Solid Phase Microextraction Coupled to Gas Chromatography Mass Spectrometry. Int J Anal Chem 2018; 2018:8976304. [PMID: 29849643 PMCID: PMC5933046 DOI: 10.1155/2018/8976304] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/13/2018] [Indexed: 12/03/2022] Open
Abstract
Volatile organic compounds (VOCs) derived from plants have been used in the fragrance industry since time immemorial. Herein we report on the rapid screening of VOCs from seeds of ripe Aframomum danielli (family, Zingiberaceae) using a polydimethylsiloxane fibre headspace solid phase microextraction coupled to a gas chromatography mass spectrometry (SPME-GC/MS) instrument. Portions of 0.25, 0.35, and 0.50 g of ground sample were weighed and extraction of volatile organic compounds (VOCs) was achieved using a 100 μm polydimethylsiloxane solid phase microextraction (PDMS SPME) fibre, with the equilibrium time of 40 minutes and extraction temperature of 50°C; the following compounds with their respective relative abundances were obtained as the top ten most abundant and annotated ones using NIST, Wiley, and Fragrances Libraries: eucalyptol (58%); β-pinene (22%); α-pinene (7.5%); α-terpineol (4%), α-terpinyl acetate (2%); α-bergamotene (1%); pinocarveol (0.39%); α-copaene (0.35%); caryophyllene (0.34); and β-bisabolene (0.31%). These compounds have been reported elsewhere in the literature and listed in the Fragrances Library, incorporated into the Saturn QP2020 GCMS Solution® software used for their analysis.
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Cordero C, Schmarr HG, Reichenbach SE, Bicchi C. Current Developments in Analyzing Food Volatiles by Multidimensional Gas Chromatographic Techniques. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:2226-2236. [PMID: 28110527 DOI: 10.1021/acs.jafc.6b04997] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This paper presents current developments and future perspectives on the spread of advanced analytical tasks in the field of food volatile analysis. The topics outlined comprise (a) recent advances on miniaturized sampling techniques; (b) the potential and challenges of multidimensional gas chromatography coupled with mass spectrometric detection for volatile identification and quantitation in samples with complex matrices;
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Affiliation(s)
- Chiara Cordero
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
| | - Hans-Georg Schmarr
- Dienstleistungszentrum Ländlicher Raum (DLR) - Rheinpfalz , Institut für Weinbau und Oenologie , Breitenweg 71 , D-67435 Neustadt an der Weinstraße , Germany
- Faculty of Chemistry, Instrumental Analytical Chemistry , University Duisburg-Essen , Universitätsstraße 5 , 45141 Essen , Germany
| | | | - Carlo Bicchi
- Dipartimento di Scienza e Tecnologia del Farmaco , Università di Torino , Turin , Italy
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Determination of volatile organic compounds in pen inks by a dynamic headspace needle trap device combined with gas chromatography–mass spectrometry. J Chromatogr A 2017; 1513:27-34. [DOI: 10.1016/j.chroma.2017.07.030] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 06/16/2017] [Accepted: 07/09/2017] [Indexed: 11/20/2022]
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Marsol-Vall A, Balcells M, Eras J, Canela-Garayoa R. Development of a SBSE-TD method coupled to GC-MS and chemometrics for the differentiation of variety and processing conditions in peach juices. Food Chem 2017; 239:119-125. [PMID: 28873539 DOI: 10.1016/j.foodchem.2017.06.070] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 06/07/2017] [Accepted: 06/09/2017] [Indexed: 10/19/2022]
Abstract
Peach juices of distinct varieties, namely yellow- and red-fleshed, and commercial and freshly blended were analyzed. The method used was based on Stir Bar Sorptive Extraction (SBSE) involving a polydimethylsiloxane-coated stir bar with thermal desorption (TD), followed by gas chromatography coupled to mass spectrometry (GC-MS) analysis. The resulting analytical data included 41 compounds belonging to several chemical classes, such as aldehydes, alcohols, lactones, terpenoids, fatty aldehydes, fatty acids and hydrocarbons. Furthermore, chemometric data treatment using unsupervised analysis (PCA) proved useful to classify peach juices on the basis of variety. Stepwise Linear Discriminant Analysis (SLDA) showed that a reduced number of variables (14 compounds), including lactones (6-pentyl-α-pyrone, γ-decalactone, γ-dodecalactone, and δ-dodecalactone), fatty acids (hexadecanoic acid), fatty aldehydes (tetracosanal and octacosanal), hydrocarbons (C23, C26, C27, C29, and C33), and alcohols (phytol and α-tocopherol), were necessary to classify the juice samples according to variety and processing conditions.
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Affiliation(s)
- Alexis Marsol-Vall
- Departament de Química-DBA Center, Universitat de Lleida-Agrotecnio Center, Avda. Alcalde Rovira Roure, 191, E-25198 Lleida, Spain
| | - Mercè Balcells
- Departament de Química-DBA Center, Universitat de Lleida-Agrotecnio Center, Avda. Alcalde Rovira Roure, 191, E-25198 Lleida, Spain
| | - Jordi Eras
- Departament de Química-DBA Center, Universitat de Lleida-Agrotecnio Center, Avda. Alcalde Rovira Roure, 191, E-25198 Lleida, Spain
| | - Ramon Canela-Garayoa
- Departament de Química-DBA Center, Universitat de Lleida-Agrotecnio Center, Avda. Alcalde Rovira Roure, 191, E-25198 Lleida, Spain.
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Zainal-Abidin MH, Hayyan M, Hayyan A, Jayakumar NS. New horizons in the extraction of bioactive compounds using deep eutectic solvents: A review. Anal Chim Acta 2017; 979:1-23. [PMID: 28599704 DOI: 10.1016/j.aca.2017.05.012] [Citation(s) in RCA: 240] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 05/17/2017] [Accepted: 05/19/2017] [Indexed: 11/18/2022]
Abstract
With the rapid development of ionic liquid analogues, termed 'deep eutectic solvents' (DESs), and their application in a wide range of chemical and biochemical processes in the past decade, the extraction of bioactive compounds has attracted significant interest. Recently, numerous studies have explored the extraction of bioactive compounds using DESs from diverse groups of natural sources, including animal and plant sources. This review summarizes the-state-of-the-art effort dedicated to the application of DESs in the extraction of bioactive compounds. The aim of this review also was to introduce conventional and recently-developed extraction techniques, with emphasis on the use of DESs as potential extractants for various bioactive compounds, such as phenolic acid, flavonoids, tanshinone, keratin, tocols, terpenoids, carrageenans, xanthones, isoflavones, α-mangostin, genistin, apigenin, and others. In the near future, DESs are expected to be used extensively for the extraction of bioactive compounds from various sources.
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Affiliation(s)
- Mohamad Hamdi Zainal-Abidin
- University of Malaya Centre for Ionic Liquids (UMCiL), Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Maan Hayyan
- University of Malaya Centre for Ionic Liquids (UMCiL), Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia; Institute of Halal Research University of Malaya (IHRUM), Academy of Islamic Studies, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Adeeb Hayyan
- University of Malaya Centre for Ionic Liquids (UMCiL), Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia; Institute of Halal Research University of Malaya (IHRUM), Academy of Islamic Studies, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Natesan Subramanian Jayakumar
- University of Malaya Centre for Ionic Liquids (UMCiL), Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
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Fractionated dynamic headspace sampling in the analysis of matrices of vegetable origin in the food field. J Chromatogr A 2017; 1489:18-28. [DOI: 10.1016/j.chroma.2017.02.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 02/03/2017] [Accepted: 02/06/2017] [Indexed: 11/21/2022]
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Cuzuel V, Cognon G, Rivals I, Sauleau C, Heulard F, Thiébaut D, Vial J. Origin, Analytical Characterization, and Use of Human Odor in Forensics. J Forensic Sci 2017; 62:330-350. [PMID: 28120328 DOI: 10.1111/1556-4029.13394] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 05/05/2016] [Accepted: 05/27/2016] [Indexed: 11/30/2022]
Abstract
Developing a strategy to characterize the odor prints of individuals should be relevant to support identification obtained using dogs in courts of justice. This article proposes an overview of the techniques used for the forensic profiling of human odor. After reviewing the origin of human odor-both genetic and physiological-the different analytical steps from sample collection to statistical data processing are presented. The first challenge is the collection of odor, whether by direct sampling with polymer patches, cotton gauze, etc., or indirect sampling with devices like Scent Transfer Unit. Then, analytical techniques are presented. Analyses are commonly performed with gas chromatography coupled with mass spectrometry. As they yield large amounts of data, advanced statistical tools are needed to provide efficient and reliable data processing, which is essential to give more probative value to information.
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Affiliation(s)
- Vincent Cuzuel
- UMR 8231 Chimie Biologie et Innovation (CBI), Laboratoire Sciences Analytiques Bioanalytiques et Miniaturisation, ESPCI Paris-CNRS, PSL Institute, 10 rue Vauquelin, 75231, PARIS Cedex, France.,Institut de Recherche Criminelle de la Gendarmerie Nationale, Caserne Lange, 5 Boulevard de l'Hautil, BP 20312 Pontoise, 95037, Cergy Pontoise Cedex, France
| | - Guillaume Cognon
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Caserne Lange, 5 Boulevard de l'Hautil, BP 20312 Pontoise, 95037, Cergy Pontoise Cedex, France
| | - Isabelle Rivals
- Equipe de Statistique Appliquée, ESPCI Paris, UMRS 1158 Neurophysiologie Respiratoire Expérimentale et Clinique, 10 rue Vauquelin, 75005, Paris, France
| | - Charles Sauleau
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Caserne Lange, 5 Boulevard de l'Hautil, BP 20312 Pontoise, 95037, Cergy Pontoise Cedex, France
| | - François Heulard
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Caserne Lange, 5 Boulevard de l'Hautil, BP 20312 Pontoise, 95037, Cergy Pontoise Cedex, France
| | - Didier Thiébaut
- UMR 8231 Chimie Biologie et Innovation (CBI), Laboratoire Sciences Analytiques Bioanalytiques et Miniaturisation, ESPCI Paris-CNRS, PSL Institute, 10 rue Vauquelin, 75231, PARIS Cedex, France
| | - Jérôme Vial
- UMR 8231 Chimie Biologie et Innovation (CBI), Laboratoire Sciences Analytiques Bioanalytiques et Miniaturisation, ESPCI Paris-CNRS, PSL Institute, 10 rue Vauquelin, 75231, PARIS Cedex, France
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Sghaier L, Vial J, Sassiat P, Thiebaut D, Watiez M, Breton S, Rutledge DN, Cordella CB. An overview of recent developments in volatile compounds analysis from edible oils: Technique-oriented perspectives. EUR J LIPID SCI TECH 2016. [DOI: 10.1002/ejlt.201500508] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Lilia Sghaier
- R&D Center; Lesieur; Coudekerque-Branche France
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), Institute of Chemistry, Biology and Innovation (CBI) - ESPCI ParisTech, CNRS UMR 8231; PSL Research University; Paris Cedex 05 France
- UMR1145 GENIAL; AgroParisTech; Paris France
| | - Jérôme Vial
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), Institute of Chemistry, Biology and Innovation (CBI) - ESPCI ParisTech, CNRS UMR 8231; PSL Research University; Paris Cedex 05 France
| | - Patrick Sassiat
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), Institute of Chemistry, Biology and Innovation (CBI) - ESPCI ParisTech, CNRS UMR 8231; PSL Research University; Paris Cedex 05 France
| | - Didier Thiebaut
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), Institute of Chemistry, Biology and Innovation (CBI) - ESPCI ParisTech, CNRS UMR 8231; PSL Research University; Paris Cedex 05 France
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Kusano M, Kobayashi M, Iizuka Y, Fukushima A, Saito K. Unbiased profiling of volatile organic compounds in the headspace of Allium plants using an in-tube extraction device. BMC Res Notes 2016; 9:133. [PMID: 26928722 PMCID: PMC4772445 DOI: 10.1186/s13104-016-1942-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Accepted: 02/17/2016] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Plants produce and emit important volatile organic compounds (VOCs), which have an essential role in biotic and abiotic stress responses and in plant-plant and plant-insect interactions. In order to study the bouquets from plants qualitatively and quantitatively, a comprehensive, analytical method yielding reproducible results is required. RESULTS We applied in-tube extraction (ITEX) and solid-phase microextraction (SPME) for studying the emissions of Allium plants. The collected HS samples were analyzed by gas chromatography-time-of-flight-mass spectrometry (GC-TOF-MS), and the results were subjected to multivariate analysis. In case of ITEX-method Allium cultivars released more than 300 VOCs, out of which we provisionally identified 50 volatiles. We also used the VOC profiles of Allium samples to discriminate among groups of A. fistulosum, A. chinense (rakkyo), and A. tuberosum (Oriental garlic). As we found 12 metabolite peaks including dipropyl disulphide with significant changes in A. chinense and A. tuberosum when compared to the control cultivar, these metabolite peaks can be used for chemotaxonomic classification of A. chinense, tuberosum, and A. fistulosum. CONCLUSIONS Compared to SPME-method our ITEX-based VOC profiling technique contributes to automatic and reproducible analyses. Hence, it can be applied to high-throughput analyses such as metabolite profiling.
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Affiliation(s)
- Miyako Kusano
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tennodai, Tsukuba, Ibaraki, Japan.
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, Japan.
| | - Makoto Kobayashi
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, Japan.
| | - Yumiko Iizuka
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, Japan.
- Department of Genome System Science, Graduate School of Nanobioscience, Yokohama City University, Yokohama, Kanagawa, Japan.
| | - Atsushi Fukushima
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, Japan.
| | - Kazuki Saito
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, Japan.
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Chiba, Japan.
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Ochiai N, Sasamoto K, Tsunokawa J, Hoffmann A, Okanoya K, MacNamara K. Extension of a dynamic headspace multi-volatile method to milliliter injection volumes with full sample evaporation: Application to green tea. J Chromatogr A 2015; 1421:103-13. [DOI: 10.1016/j.chroma.2015.07.116] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Revised: 07/26/2015] [Accepted: 07/31/2015] [Indexed: 11/15/2022]
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Benet I, Ibañez C, Guàrdia MD, Solà J, Arnau J, Roura E. Optimisation of stir-bar sorptive extraction (SBSE), targeting medium and long-chain free fatty acids in cooked ham exudates. Food Chem 2015; 185:75-83. [DOI: 10.1016/j.foodchem.2015.03.102] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 03/05/2015] [Accepted: 03/24/2015] [Indexed: 10/23/2022]
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Analysis of target volatile compounds related to fishy off-flavor in heated rapeseed oil: A comparative study of different headspace techniques. EUR J LIPID SCI TECH 2015. [DOI: 10.1002/ejlt.201500088] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Melnyk A, Namieśnik J, Wolska L. Theory and recent applications of coacervate-based extraction techniques. Trends Analyt Chem 2015. [DOI: 10.1016/j.trac.2015.03.013] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cacho J, Campillo N, Viñas P, Hernández-Córdoba M. Evaluation of three headspace sorptive extraction coatings for the determination of volatile terpenes in honey using gas chromatography–mass spectrometry. J Chromatogr A 2015; 1399:18-24. [DOI: 10.1016/j.chroma.2015.04.041] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 04/20/2015] [Accepted: 04/21/2015] [Indexed: 10/23/2022]
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Liu X, Gao Y, Wang H, Guo J, Yan S. Applying a new method for direct collection, volume quantification and determination of N2 emission from water. J Environ Sci (China) 2015; 27:217-224. [PMID: 25597680 DOI: 10.1016/j.jes.2014.04.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Revised: 04/03/2014] [Accepted: 04/11/2014] [Indexed: 06/04/2023]
Abstract
The emission of N2 is important to remove excess N from lakes, ponds, and wetlands. To investigate the gas emission from water, Gao et al. (2013) developed a new method using a bubble trap device to collect gas samples from waters. However, the determination accuracy of sampling volume and gas component concentration was still debatable. In this study, the method was optimized for in situ sampling, accurate volume measurement and direct injection to a gas chromatograph for the analysis of N2 and other gases. By the optimized new method, the recovery rate for N2 was 100.28% on average; the mean coefficient of determination (R(2)) was 0.9997; the limit of detection was 0.02%. We further assessed the effects of the new method, bottle full of water, vs. vacuum bag and vacuum vial methods, on variations of N2 concentration as influenced by sample storage times of 1, 2, 3, 5, and 7 days at constant temperature of 15°C, using indices of averaged relative peak area (%) in comparison with the averaged relative peak area of each method at 0 day. The indices of the bottle full of water method were the lowest (99.5%-108.5%) compared to the indices of vacuum bag and vacuum vial methods (119%-217%). Meanwhile, the gas chromatograph determination of other gas components (O2, CH4, and N2O) was also accurate. The new method was an alternative way to investigate N2 released from various kinds of aquatic ecosystems.
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Affiliation(s)
- Xinhong Liu
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
| | - Yan Gao
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Honglian Wang
- College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
| | - Junyao Guo
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Shaohua Yan
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
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Cordero C, Kiefl J, Schieberle P, Reichenbach SE, Bicchi C. Comprehensive two-dimensional gas chromatography and food sensory properties: potential and challenges. Anal Bioanal Chem 2014; 407:169-91. [DOI: 10.1007/s00216-014-8248-z] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 10/02/2014] [Accepted: 10/07/2014] [Indexed: 12/19/2022]
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Ochiai N, Tsunokawa J, Sasamoto K, Hoffmann A. Multi-volatile method for aroma analysis using sequential dynamic headspace sampling with an application to brewed coffee. J Chromatogr A 2014; 1371:65-73. [PMID: 25456588 DOI: 10.1016/j.chroma.2014.10.074] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Revised: 10/24/2014] [Accepted: 10/24/2014] [Indexed: 10/24/2022]
Abstract
A novel multi-volatile method (MVM) using sequential dynamic headspace (DHS) sampling for analysis of aroma compounds in aqueous sample was developed. The MVM consists of three different DHS method parameters sets including choice of the replaceable adsorbent trap. The first DHS sampling at 25 °C using a carbon-based adsorbent trap targets very volatile solutes with high vapor pressure (>20 kPa). The second DHS sampling at 25 °C using the same type of carbon-based adsorbent trap targets volatile solutes with moderate vapor pressure (1-20 kPa). The third DHS sampling using a Tenax TA trap at 80 °C targets solutes with low vapor pressure (<1 kPa) and/or hydrophilic characteristics. After the 3 sequential DHS samplings using the same HS vial, the three traps are sequentially desorbed with thermal desorption in reverse order of the DHS sampling and the desorbed compounds are trapped and concentrated in a programmed temperature vaporizing (PTV) inlet and subsequently analyzed in a single GC-MS run. Recoveries of the 21 test aroma compounds for each DHS sampling and the combined MVM procedure were evaluated as a function of vapor pressure in the range of 0.000088-120 kPa. The MVM provided very good recoveries in the range of 91-111%. The method showed good linearity (r2>0.9910) and high sensitivity (limit of detection: 1.0-7.5 ng mL(-1)) even with MS scan mode. The feasibility and benefit of the method was demonstrated with analysis of a wide variety of aroma compounds in brewed coffee. Ten potent aroma compounds from top-note to base-note (acetaldehyde, 2,3-butanedione, 4-ethyl guaiacol, furaneol, guaiacol, 3-methyl butanal, 2,3-pentanedione, 2,3,5-trimethyl pyrazine, vanillin, and 4-vinyl guaiacol) could be identified together with an additional 72 aroma compounds. Thirty compounds including 9 potent aroma compounds were quantified in the range of 74-4300 ng mL(-1) (RSD<10%, n=5).
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Affiliation(s)
- Nobuo Ochiai
- GERSTEL K.K. 1-3-1 Nakane, Meguro-ku, Tokyo 152-0031 Japan.
| | - Jun Tsunokawa
- GERSTEL K.K. 1-3-1 Nakane, Meguro-ku, Tokyo 152-0031 Japan
| | - Kikuo Sasamoto
- GERSTEL K.K. 1-3-1 Nakane, Meguro-ku, Tokyo 152-0031 Japan
| | - Andreas Hoffmann
- GERSTEL GmbH & Co. KG, Eberhard-Gerstel-Platz 1, Mülheim an der Ruhr, 45473, Germany
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Cacho J, Campillo N, Viñas P, Hernández-Córdoba M. Use of headspace sorptive extraction coupled to gas chromatography–mass spectrometry for the analysis of volatile polycyclic aromatic hydrocarbons in herbal infusions. J Chromatogr A 2014; 1356:38-44. [DOI: 10.1016/j.chroma.2014.06.060] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 06/17/2014] [Accepted: 06/18/2014] [Indexed: 10/25/2022]
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Zaitsev VN, Zui MF. Preconcentration by solid-phase microextraction. JOURNAL OF ANALYTICAL CHEMISTRY 2014. [DOI: 10.1134/s1061934814080139] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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48
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Graphene oxide–silica composite coating hollow fiber solid phase microextraction online coupled with inductively coupled plasma mass spectrometry for the determination of trace heavy metals in environmental water samples. Talanta 2014; 123:1-9. [DOI: 10.1016/j.talanta.2014.01.061] [Citation(s) in RCA: 142] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 01/26/2014] [Accepted: 01/28/2014] [Indexed: 11/22/2022]
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Kallenbach M, Oh Y, Eilers EJ, Veit D, Baldwin IT, Schuman MC. A robust, simple, high-throughput technique for time-resolved plant volatile analysis in field experiments. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2014; 78:1060-72. [PMID: 24684685 PMCID: PMC4190661 DOI: 10.1111/tpj.12523] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 03/14/2014] [Accepted: 03/21/2014] [Indexed: 05/02/2023]
Abstract
Plant volatiles (PVs) mediate interactions between plants and arthropods, microbes and other plants, and are involved in responses to abiotic stress. PV emissions are therefore influenced by many environmental factors, including herbivore damage, microbial invasion, and cues from neighboring plants, and also light regime, temperature, humidity and nutrient availability. Thus, an understanding of the physiological and ecological functions of PVs must be based on measurements reflecting PV emissions under natural conditions. However, PVs are usually sampled in the artificial environments of laboratories or climate chambers. Sampling of PVs in natural environments is difficult, being limited by the need to transport, maintain and provide power to instruments, or use expensive sorbent devices in replicate. Ideally, PVs should be measured in natural settings with high replication, spatio-temporal resolution and sensitivity, and modest costs. Polydimethylsiloxane (PDMS), a sorbent commonly used for PV sampling, is available as silicone tubing for as little as 0.60 € m(-1) (versus 100-550 € each for standard PDMS sorbent devices). Small pieces of silicone tubing (STs) of various lengths from millimeters to centimeters may be added to any experimental setting and used for headspace sampling, with little manipulation of the organism or headspace. STs have sufficiently fast absorption kinetics and large capacity to sample plant headspaces over a timescale of minutes to hours, and thus can produce biologically meaningful 'snapshots' of PV blends. When combined with thermal desorption coupled to GC-MS (a 40-year-old widely available technology), use of STs yields reproducible, sensitive, spatio-temporally resolved quantitative data from headspace samples taken in natural environments.
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Affiliation(s)
- Mario Kallenbach
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Hans Knöll Straße 8, 07745, Jena, Germany
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Jelly Palm (Butia odorata) Wine: Characterization of Volatile Compounds Responsible for Aroma. FOOD ANAL METHOD 2014. [DOI: 10.1007/s12161-014-9835-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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