Establishment of Sensory Evaluation Method for Wolfberry Tea and Exploration of the Main Characteristic Aroma Substances by Yuanchao LI, Qinji LI, Yuqiong GUO, Zhilong HAO, Shan JIN

“…Based on the physicochemical methods and gas chromatography mass spectrometry (GC-MS) technology, the difference of taste and aroma substances between buds and leaves of wolfberry tea, were analyzed, and the main characteristic aroma compounds of wolfberry tea were explored. …”
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Effects of thyme (Thymus vulgaris L.) addition on the volatile compounds of mutton broth during boiling by Shasha Qi, Ping Zhan, Honglei Tian, Peng Wang, Xueping Ma, Kaixuan Li

“…A total of 99 volatile compounds were identified by gas chromatography-mass spectrometry, among which 19 compounds were considered as the odor-active compounds according to their odor activity values. …”
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Hormones and Hormonal Anabolics: Residues in Animal Source Food, Potential Public Health Impacts, and Methods of Analysis by Belachew B. Hirpessa, Beyza H. Ulusoy, Canan Hecer

“…Mainly, among high-performance liquid chromatography, liquid chromatography with mass spectrometry (LC-MS, LC-MS/MS), and gas chromatography with mass spectrometry (GC-MS and GC-MS/MS) methods, LC-MS/MS is being preferred because of easier sample preparation without a derivatization step and high detection and quantification capacity.…”
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Electrochemical preparation of polypyrrole-molybdenum disulfide-graphene nanocomposite coating for the determination of phenols by Ting Liang, Min Luo, Ling Shi, Hongping Yang, Guangming Yang

“…The resulting coating was applied to extract five phenolic compounds, and combined with gas chromatography-mass spectrometry (GC–MS) to establish an analytical method for the determination of 3‑chloro-4-fluorophenol, 2‑chloro-4-methoxyphenol, 2,6-dimethoxyphenol, 2,4,6-trichlorophenol, and 2,6-dichloro-4-nitrophenol in environmental samples. …”
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Lipid Mediator Informatics and Proteomics in Inflammation-Resolution by Yan Lu, Song Hong, Katherine Gotlinger, Charles Serhan

“…LM informatics employing liquid chromatography-ultraviolet-tandem mass spectrometry (LC-UV-MS/MS), gas chromatography-mass spectrometry (GC-MS), computer-based automated systems equipped with databases and novel searching algorithms, and enzyme-linked immunosorbent assay (ELISA) to evaluate and profile temporal and spatial production of mediators combined with proteomics at defined points during experimental inflammation and its resolution enable us to identify novel mediators in resolution. …”
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Development and Validation of a GC-MS Method for the Detection and Quantification of Clotiapine in Blood and Urine Specimens and Application to a Postmortem Case by Giulio Mannocchi, Flaminia Pantano, Roberta Tittarelli, Miriam Catanese, Federica Umani Ronchi, Francesco Paolo Busardò

“…The aim of the present study is the development and validation of a method that allows the detection and quantification of clotiapine in blood and urine specimens by gas chromatography-mass spectrometry (GC-MS). Methods. Validation was performed working on spiked postmortem blood and urine samples. …”
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Polyhydroxyalkanoates Biopolymer Production by Moderately Halophilic Paracoccus onubensis Strain E3: Extraction, Characterization and Synergistic Activity with Sorafenib Drug again... by Hend A. Hamedo, Ahmed E.M. Shokr, Omnia T. Abd-Elsalam, Naglaa Elshafey

“…PHAs were extracted and then subjected to Fourier transform infrared spectroscopy (FT-IR), where the spectrum showed a strong band at 1649.72 cm−1 for the carbon (C=O) stretching of the ester group, which is a common feature in PHAs structures, and Gas chromatography–mass spectrometry (GC-MS) analyses. …”
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Anti-biofilm and anti-virulence potential of cell free supernatant of Akkermansia muciniphila against Salmonella by Jiaxiu Liu, Wenxiu Zhu, Huanhuan Liu, Xiaomeng Ren, Ningbo Qin, Xiaodong Xia

“…CFS maintained antimicrobial properties after treatment with high temperatures and various proteases, while it lost its antimicrobial activity after pH neutralization. Gas chromatography-mass spectrometry (GC-MS) confirmed that A. muciniphila produced a certain amount of acetate and propionate, and ultra-high-performance liquid chromatography-mass spectrometry (UHPLC-MS) identified other organic acids and metabolites in CFS. …”
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Comprehensive Characterization of the Odor-Active Compounds in Different Processed Varieties of Yunnan White Tea (<i>Camellia sinensis</i>) by GC×GC-O-MS and Chemometrics by Junaid Raza, Baosong Wang, Yue Duan, Huanlu Song, Ali Raza, Dongfeng Wang

“…The aroma profile of white tea varieties was analyzed using two-dimensional gas chromatography–olfactometry–mass spectrometry (GC×GC-O-MS), electronic nose (e-nose), and descriptive sensory evaluation. …”
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Analysis of Volatile Compounds in a Value-Added Jerky by Incorporating Ajwain and Thyme Essential Oils by Elaine Anit, Helga Hernández, Jan Banout, Klára Urbanová

“…The identification and quantification of volatile chemicals were performed using headspace solid-phase microextraction and gas chromatography–mass spectrometry. Thymol, γ-terpinene, p-cymene, and β-pinene were the predominant compounds before and after the treatments. …”
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Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS by Lidong Cao, Hua Jiang, Jing Yang, Li Fan, Fengmin Li, Qiliang Huang

“…In this paper, a simple and efficient headspace-gas chromatography-mass spectrometry (HSGC-MS) method using fluorobenzene as an internal standard (IS) for rapid simultaneous determination of benzene and toluene in pesticide emulsifiable concentrate (EC) was established. …”
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Microbial Community, Fatty Acid Composition, and Health Potential of Horse Oil Fermented with Barley Nuruk by Jeong-Ha Lee, Sung-Eun Bae, Ho-Min Kang, Yu-Jin Ha, Chang-Gu Hyun

“…This study investigates the multifunctional potential of horse oil fermented with barley nuruk, a traditional fermentation starter, focusing on its α-glucosidase inhibitory activity and bioactive applicability. Gas chromatography–tandem mass spectrometry (GC-MS/MS) revealed significant changes in fatty acid composition during fermentation, with oleic acid amide and palmitic acid amide remaining stable and stearic acid amide forming prominently by day 10. …”
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Explication of Pharmacological Proficiency of Phytoconstituents from Adansonia digitata Bark: An In Vitro and In Silico Approaches by Sangavi P., Gowtham Kumar S., Nachammai KT., Chandrabose Selvaraj, Langeswaran K.

“…The analysis of a plant sample using Fourier transform infrared (FT-IR) spectroscopy detected multiple functional groups, such as carboxyl and aromatic groups. Additionally, gas chromatography-mass spectroscopy (GC-MS) was utilized to identify various compounds present in the sample, including tetrachloroethylene and octyl ester. …”
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Chemical Composition and Antimicrobial Potential of Palm Leaf Extracts from Babaçu (Attalea speciosa), Buriti (Mauritia flexuosa), and Macaúba (Acrocomia aculeata) by Adriana Idalina Torcato de Oliveira, Talal Suleiman Mahmoud, Guilherme Nobre L. do Nascimento, Juliana Fonseca Moreira da Silva, Raphael Sanzio Pimenta, Paula Benevides de Morais

“…Moreover, the phytochemical analysis revealed the presence of tannins, flavonoids, catechins, steroids, triterpenes, and saponins. Gas chromatography (GC/MS) analysis also identified organic acids, such as capric (decanoic) acid, lauric (dodecanoic) acid, myristic (tetradecanoic) acid, phthalic (1,2-benzenedicarboxylic) acid, palmitic (hexadecanoic) acid, stearic (octadecanoic) acid, linoleic (9,12-octadecadienoic) acid (omega-6), linolenic (octadecatrienoic) acid (omega-3), and the terpenes citronellol and phytol. …”
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The volatilome – investigation of volatile organic metabolites (VOM) as potential tumor markers in patients with head and neck squamous cell carcinoma (HNSCC) by Philipp Opitz, Olf Herbarth

“…Methods In this retrospective case-control study urinary VOM of 53 therapy-naive patients with head and neck squamous cell carcinoma (HNSCC) and 82 healthy controls were semi-quantified by headspace solid-phase micro extraction (SPME) gas chromatography (GC) mass spectrometry (MS). At first, the procedure was optimized in respect to the extraction parameters. …”
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Decoding the aroma of Rosa canina L.: Chemical composition and gene expression. by Parisa Jariani, Ali-Akbar Shahnejat-Bushehri, Roohangiz Naderi, Meisam Zargar, Mohammad Reza Naghavi

“…<h4>Methods</h4>Essential oils (EOs) were extracted from petals at five developmental stages (S1-S5) and analyzed using Gas Chromatography-Mass Spectrometry (GC-MS), identifying 20 distinct compounds. …”
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Quantifying primary oxidation products in the OH-initiated reaction of benzyl alcohol by R. S. Buenconsejo, S. M. Charan, J. H. Seinfeld, J. H. Seinfeld, P. O. Wennberg, P. O. Wennberg

“…We report here on the products of the gas-phase oxidation of benzyl alcohol by OH and its dependence on nitric oxide (NO) levels. Using a gas chromatography in tandem with a chemical ionization mass spectrometer (CIMS) and gas chromatographer with a flame ionization detector (GC-FID), we measure the branching fractions to the major gas-phase oxidation products: hydroxybenzyl alcohol (HBA) and benzaldehyde. …”
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Formation and Identification of Unresolved Complex Mixtures in Lacustrine Biodegraded Oil from Nanxiang Basin, China by Pengfei Guo, Sheng He, Shukui Zhu, Derong Chai, Shiyan Yin, Wei Dai, Wanfeng Zhang

“…A comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC × GC/TOFMS) method has been developed for the formation and identification of unresolved complex mixtures (UCMs) in lacustrine biodegraded oils that with the same source rock, similar maturity, and increasing degradation rank from Nanxiang Basin, China. …”
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Polychlorinated Biphenyls Water Pollution along the River Nile, Egypt by Ayman Mohamed Megahed, Hesham Dahshan, Mahdy A. Abd-El-Kader, Amr Mohamed Mohamed Abd-Elall, Mariam Hassan Elbana, Ehab Nabawy, Hend A. Mahmoud

“…Ten polychlorinated biphenyl (PCB) congeners were determined in water samples collected along the River Nile using gas chromatography-electron capture detector (GC-ECD). PCB concentrations ranged from 14 to 20 μg/L, which were higher than those reported in previous studies, indicating serious PCB pollution in the River Nile. …”
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Competence of corncob (Zea mays L.) powder with HCl activation as adsorbent to purify waste cooking oil: Reference in the batch adsorption process by Bode Haryanto, Rondang Tambun, Oktavia Merta Sitohang, Stephanie Yosepha Sidauruk, Gabriela Emma Naomi, Vikram Alexander

“…According to the Fourier Transform Infrared results, there is a change in functional groups, Brunauer-Emmett-Teller results show a change in surface area, and Gas Chromatography-Mass Spectrophotometry results show a decrease in free fatty acids in used cooking oil after purification.…”
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