Refining and conching alter the volatile composition of dark chocolate — Revealing profile changes in aroma-active volatiles and volatile organic compounds by Yvonne Guckenbiehl, Eva Ortner, Isabell Rothkopf, Andrea Buettner

Subjects: “…Gas chromatography-mass spectrometry/olfactometry…”
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Analysis of diclofenac in water samples using in situ derivatization-vortex-assisted liquid-liquid microextraction with gas chromatography-mass spectrometry by Aydin Senar, Aydin Mehmet Emin, Beduk Fatma, Tekinay Arzu, Kilic Havva

“…DCF was derivatized and extracted simultaneously using vortex-assisted liquid-liquid micro-extraction (VALLME) prior to gas chromatography with mass spectrometry detection. The effects of extraction solvent volume, extraction and derivatization time and ionic strength of the sample were studied using 23 factorial experimental design. …”
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Molecularly Imprinted Nanomicrospheres as Matrix Solid-Phase Dispersant Combined with Gas Chromatography for Determination of Four Phosphorothioate Pesticides in Carrot and Yacon by Mengchun Zhou, Nana Hu, Shaohua Shu, Mo Wang

“…An efficient, rapid, and selective method for sample pretreatment, namely, molecularly imprinted matrix solid-phase dispersion (MI-MSPD) coupled with gas chromatography (GC), was developed for the rapid isolation of four phosphorothioate organophosphorus pesticides (tolclofos-methyl, phoxim, chlorpyrifos, and parathion-methyl) from carrot and yacon samples. …”
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Determination of Muscone in Rats Plasma following Oral Administration of Artificial Musk: Using of Combined Headspace Gas Chromatography-Mass Spectrometry by Qibiao Wu, Haitao Li, Yujing Leng, Haishan Deng, Haibo Cheng, Weixing Shen

“…Headspace injection coupled with gas chromatography-mass spectrometry was used for quantitative analysis of muscone concentrations. …”
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Development and Validation of Gas Chromatography-Triple Quadrupole Mass Spectrometric Method for Quantitative Determination of Regulated Plasticizers in Medical Infusion Sets by So Hyeon Jeon, Yong Pyo Kim, Younglim Kho, Jeoung Hwa Shin, Won Hyun Ji, Yun Gyong Ahn

“…A method for the quantitative determination of dibutyl phthalate (DBP), benzyl butyl phthalate (BBP), bis(2-ethylhexyl) adipate (DEHA), bis(2-ethylhexyl) phthalate (DEHP), di-n-octyl phthalate (DNOP), dioctyl terephthalate (DOTP), diisononyl phthalate (DINP), and diisodecyl phthalate (DIDP) in medical infusion sets was developed and validated using gas chromatography coupled with triple quadrupole mass spectrometry (GC-MS/MS) in the multiple reaction monitoring (MRM) mode. …”
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Simultaneous determination of 74 pesticide residues in Panax notoginseng by QuEChERS coupled with gas chromatography tandem mass spectrometry by Huijun Li, Jieshan Wu, Chao Chen, Wenfeng Xin, Wensheng Zhang

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Analysis of Polycyclic Aromatic Hydrocarbon in Airborne Particulate Matter Samples by Gas Chromatography in Combination with Tandem Mass Spectrometry (GC-MS/MS) by Nam Vu-Duc, Lan Anh Phung Thi, Thuy Le-Minh, Lan-Anh Nguyen, Huong Nguyen-Thi, Loan-Ha Pham-Thi, Van-Anh Doan-Thi, Huong Le-Quang, Hung Nguyen-Xuan, Thao Thi Nguyen, Phuong Thanh Nguyen, Dinh Binh Chu

“…In this work, a capillary gas chromatography coupled with electron impact ionization tandem mass spectrometry (GC-EI-MS/MS) has been introduced for analysis of 16 PAHs in some particulate matter samples. …”
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Determination of 17 types of phthalates in drinking water by solid-phase extraction coupled with multiple reaction monitoring of gas chromatography-mass spectrometry by SHI Mengxing, YANG Yan, DU Limin

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Gas Chromatography Coupled to High Resolution Time-of-Flight Mass Spectrometry as a High-Throughput Tool for Characterizing Geochemical Biomarkers in Sediments by Hector Henrique Ferreira Koolen, Clécio Fernando Klitzke, Joe Binkley, Jeffrey Patrick, Ana Cecília Rizatti de Albergaria-Barbosa, Rolf Roland Weber, Márcia Caruso Bícego, Marcos Nogueira Eberlin, Giovana Anceski Bataglion

“…The performance of gas chromatography coupled to high-resolution time-of-flight mass spectrometry (GC-HRTofMS) for characterizing geochemical biomarkers from sediment samples was evaluated. …”
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Alkaloids Profiling of Fumaria capreolata by Analytical Platforms Based on the Hyphenation of Gas Chromatography and Liquid Chromatography with Quadrupole-Time-of-Flight Mass Spectrometry by María del Mar Contreras, Noureddine Bribi, Ana María Gómez-Caravaca, Julio Gálvez, Antonio Segura-Carretero

“…Two analytical platforms, gas chromatography (GC) coupled to quadrupole-time-of-flight (QTOF) mass spectrometry (MS) and reversed-phase ultrahigh performance liquid chromatography (UHPLC) coupled to diode array (DAD) and QTOF detection, were applied in order to study the alkaloid profile of Fumaria capreolata. …”
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Qualitative and Quantitative Analysis of Volatile Components of Zhengtian Pills Using Gas Chromatography Mass Spectrometry and Ultra-High Performance Liquid Chromatography by Cui-ting Liu, Min Zhang, Ping Yan, Hai-chan Liu, Xing-yun Liu, Ruo-ting Zhan

“…Volatile components of ZTPs extracted by ethyl acetate with an ultrasonic method were analyzed by gas chromatography mass spectrometry (GC-MS). Twenty-two components were identified, accounting for 78.884% of the total components of volatile oil. …”
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Determination of Volatile Compounds in Four Commercial Samples of Japanese Green Algae Using Solid Phase Microextraction Gas Chromatography Mass Spectrometry by Masayoshi Yamamoto, Susanne Baldermann, Keisuke Yoshikawa, Akira Fujita, Nobuyuki Mase, Naoharu Watanabe

“…Our research, based on solid phase microextraction gas chromatography mass spectrometry (SPME-GC-MS), has revealed that volatile compounds differ intensely in the four varieties of commercial green algae. …”
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Comparative study on organoleptic properties and volatile organic compounds in turmeric, turmeric essential oil, and by-products using E-nose, HS-GC-IMS, and HS-GC-MS by Bing Yang, Wanjia Wang, Jianuo Zhang, Wei Gao, Lipeng Fan, Bimal Chitrakar, Yaxin Sang

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Binary Eluent Based Vortex-Assisted Matrix Solid-Phase Dispersion for the Extraction and Determination of Multicomponent from Musk by Gas Chromatography-Mass Spectrometry by Shanshan Wang, Ye Shang, Chunxiao Liang, Tao Liu, Kunze Du, Jiading Guo, Jin Li, Yan-xu Chang

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Characterization of flavor profile of beef jerky from different regions of China using gas chromatography–mass spectrometry, electronic tongue, and electronic nose by Bayierta Bayinbate, Linwei Yang, Iftikhar Hussain Badar, Yue Liu, Lang Zhang, Yingying Hu, Baocai Xu

“…This research utilized gas chromatography–mass spectrometry (GC–MS), electronic tongue (E-tongue), electronic nose (E-nose), and sensory analysis to investigate the flavor profiles of beef jerky from four specific regions of China: Xinjiang, Tibet, Sichuan, and Inner Mongolia. …”
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Simultaneous determination of 11 kinds of siloxanes in drinking water and source water using solid-phase microextraction combined with gas chromatography-mass spectrometry by Sijie Liu, Jie Ma, Su Jiang

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Comparative analysis of Fenghuang Dancong, Tieguanyin, and Dahongpao teas using headspace solid-phase microextraction coupled with gas chromatography-mass spectrometry and chemometric methods. by Zhangwei Li

“…The volatile components in a total of 21 tea samples of these three types of oolong teas were extracted, determined, and identified by headspace solid-phase microextraction (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS). In addition, chemometric methods such as hierarchical cluster analysis (HCA), principal component analysis (PCA), and orthogonal partial least squares discriminant analysis (OPLS-DA) were used for distinguishing and classifying the three types of oolong teas on the basis of the similarities and differences in the volatile components. …”
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Gradual Optimization of Headspace Solid-Phase Microextraction Conditions of Volatiles in Pepper Chicken Soup Combined with Gas Chromatography-Mass Spectrometry and Principal Component Analysis by Qiuyue Geng, Ping Zhan, Honglei Tian, Peng Wang, Haitao Chen

“…The total peak areas and the numbers of valid peaks were compared and analyzed as the indicators of condition optimization. Gas chromatography-mass spectrometry (GC-MS) results showed that the four factors all have significant impact on the extraction effect of volatiles in pepper chicken soup. …”
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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 by Mosotho J. George, Patrick B. Njobeh, Sefater Gbashi, Gabriel O. Adegoke, Ian A. Dubery, Ntakadzeni E. Madala

“…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. …”
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Characterization and comparison of the aroma-active compounds on different grades of sesame-flavor Baijiu by headspace solid-phase microextraction and gas chromatography-olfactometry-mass spectrometry by Dan Qin, Jiawen Duan, Hehe Li, Fuping Zheng, Huan Cheng, Xingqian Ye, Baoguo Sun

“…This study investigated the aroma-active compounds and compared the differences of three different grades of sesame-flavor Baijiu by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-olfactometry-mass spectrometry (GC-O-MS). …”
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