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361
Uncovering the Hydrocracking Efficiency of Iron-Based Catalysts: A Novel Approach to Asphaltene Transformation in Iranian Heavy Oil
Published 2024-06-01“…Gas products were characterized using Gas Chromatography (GC). The investigation aimed to identify the catalyst precursor mixture that would maximize asphaltene conversion while minimizing coke production. …”
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362
Quality analysis of Idesia polycarpa fruit oil samples from cultivars with different phenotypes
Published 2025-01-01“…A total of 532 aroma compounds were identified via gas chromatography–mass spectrometry (GC–MS), with terpenes as the major contributors. …”
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363
Resilience of <i>Chlorella vulgaris</i> to Simulated Atmospheric Gas Compositions of Mars, Jupiter, and Titan
Published 2025-01-01“…Photosynthetic performance was analyzed through chlorophyll a fluorescence induction (JIP-test), metabolic activity via gas chromatography, and biomass accumulation measurements. …”
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364
Application of Check-All-That-Apply (CATA) for formulating and characterizing sargassum seaweed-based kombucha drink: Effects of different sugar types and fermentation times
Published 2024-01-01“…The sensory flavor profile of Seaweed Kombucha was elucidated through Check-All-That-Apply (CATA) and Gas Chromatography-Mass Spectrometry (GC-MS) methodologies. …”
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365
Chemical Composition, Total Phenolic Content, and Antioxidant Activities of the Essential Oils of the Leaves and Fruit Pulp of Annona muricata L. (Soursop) from Ghana
Published 2019-01-01“…Essential oils were obtained via hydrodistillation and characterized by gas chromatography-mass spectrometry. Antioxidant potential was evaluated via the phosphomolybdenum, hydrogen peroxide scavenging, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging assays. …”
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366
Quantitative Determination of p-Cymene, Thymol, Neryl Acetate, and β-Caryophyllene in Different Growth Periods and Parts of Eupatorium fortunei Turcz. by GC-MS/MS
Published 2021-01-01“…In this study, a gas chromatography-triple quadrupole mass spectrometry (GC-MS/MS) method was developed and validated to simultaneously determine the contents of p-cymene, thymol, neryl acetate, and β-caryophyllene in roots, stems, and leaves of Eupatorium fortunei Turcz. harvested at different growth periods. …”
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367
THE EFFECT OF HEMP PRЕSS CAKE FLOUR ON FATTY ACIDS COMPOSITION AND MICROBIOLOGICAL QUALITY OF GLUTEN FREE BREAD
Published 2024-09-01“…Seven types of gluten-free bread with different amounts of HPCF (0, 5, 10, 15, 20, 25 and 30 %) were produced. Gas chromatography was used to determinate the amounts of individual fatty acids, as well as the groups of fatty acids (saturated fatty acids, monounsaturated fatty acids, polyunsaturated fatty acids, branched fatty acids). …”
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368
The Pear Aroma in the Austrian Pinot Blanc Wine Variety: Evaluation by Means of Sensorial-Analytical-Typograms with regard to Vintage, Wine Styles, and Origin of Wines
Published 2018-01-01“…In this study, a valid stable isotope dilution assay headspace solid-phase microextraction gas chromatography mass spectroscopy (SIDA-HS-SPME-GC-MS) method was developed for the analysis of these compounds, and 102 Austrian Pinot blanc wines of vintages 2013–2016 were analysed. …”
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369
Antioxidative Activity and Volatile Profiles of Maillard Reaction Products between Giant Salamander (Andrias davidianus) Peptides and Glucose during the Heating Process
Published 2023-01-01“…The difference in volatile compounds of the MRPs was also analyzed by gas chromatography-ion mobility spectroscopy. The results indicated that the pH value of the MRPs shrank with the proceeding of heating time, while the browning extent and antioxidative capacity increased. 58 volatile compounds including 24 aldehydes, 12 alcohols, 8 esters, 5 ketones, 4 pyrazines, 2 furans, 1 pyridine, 1 ether, and 1 olefin were detected among the MRPs. …”
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370
Distribution and Health Risk Assessment on Dietary Exposure of Polycyclic Aromatic Hydrocarbons in Vegetables in Nanjing, China
Published 2016-01-01“…In a market basket study made in Nanjing, China, in which the most common consumed nine kinds of vegetables foodstuffs were sampled, the contents of 16 polycyclic aromatic hydrocarbons (PAHs) were analyzed using gas chromatography with mass spectrometer detector (GC-MS). …”
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371
Effect of Benzothiadiazole Treatment during Veraison on Amino Acid Composition, Degradation and Metabolism in ‘Chardonnay’ Grape
Published 2025-01-01“…The contents of glucose, fructose, sucrose, organic acids and amino acids, as well as enzyme activities related to amino acid degradation and metabolism and the resulting aroma products were analyzed by high performance liquid chromatography (HPLC), an automatic amino acid analyzer and solid phase microextraction combined with gas chromatography-mass spectrometry (SPME-GC-MS). The results showed that glutamic acid, arginine and proline were the major amino acids in ‘Chardonnay’ grape. …”
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372
Phytotoxicity and Benzoxazinone Concentration in Field Grown Cereal Rye (Secale cereale L.)
Published 2016-01-01“…In addition, BX (DIBOA, DIBOA-glycoside, and BOA) levels were directly determined using gas chromatography. Results showed that rye tissue harvested in March was the most toxic to indicator species, with toxicity decreasing thereafter. …”
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373
Application of the Box-Behnken Design for Optimizing Biodiesel Output from Castor Oil: Analysis and Characterization
Published 2024-06-01“…The characterization techniques employed were Gas Chromatography (GC) for compositional analysis, Flash Point measurement for safety assessment, Kinematic Viscosity evaluation for flow properties, and Density determination for mass-volume relationships. …”
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374
Bioinsecticide Production from Cigarette Wastes
Published 2021-01-01“…The extracted product was evaluated using a gas chromatography–mass spectrometry (GC-MS) and a UV/visible spectrophotometer. …”
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375
GC-MS Analysis of Bioactive Compounds in Methanolic Extracts of Papaver decaisnei and Determination of Its Antioxidants and Anticancer Activities
Published 2022-01-01“…The current study investigates the methanol (99.9%) extracts (10 μg/mL) of roots, leaves, and flowers of Papaver decaisnei in terms of phytochemistry by gas chromatography-mass spectrophotometry GC-MS, in vitro antioxidant activity by radical scavenging and reducing power assays, and finally, the anticancer actions as IC50 (inhibitory concentration at 50%) against human colorectal adenocarcinoma (Caco-2), mammary cancer cells (MCF-7), and human cervical carcinoma (HeLa) cells. …”
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376
Physiological value of intestinal microflora
Published 2011-09-01“…In the last years in clinical practice chemical methods, in particular gas chromatography (GC) in combination to mass spectrometry (GC-MS) are actively developed, the method of fluorescent DNA hybridization in situ (FISH) is applied, polymerase chain reaction (PCR-diagnostics) became quite widespread method of microorganisms assessment. …”
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377
Chemical Composition of Liquid Smoke from Mangrove Leaves: Potential Aphrodisiac Effects and Implications for Coastal Ecosystem Sustainability
Published 2025-01-01“…The liquid smoke production process involved pyrolysis at various temperatures to determine the optimal conditions for extracting bioactive compounds. Gas Chromatography-Mass Spectrometry (GC-MS) analysis revealed that the liquid smoke dominantly consists of phenolic compounds, organic acids, and esters, potentially contributing to aphrodisiac effects. …”
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378
Investigating the impact of dioxins, furans, and coplanar polychlorinated biphenyls on mortality, inflammatory states, and chronic diseases: An integrative epidemiological analysis
Published 2025-01-01“…Exposure was quantified in serum through high-resolution gas chromatography and isotope-dilution high-resolution mass spectrometry. …”
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379
Chemical Characterization of Specific Micropollutants from Textile Industry Effluents in Fez City, Morocco
Published 2020-01-01“…In this work, characterization of toxic organic compounds is proposed. Based on gas chromatography coupled to mass spectrometry (GC/MS) screening analysis, organic micropollutant diversity of textile effluents from a local textile processing factory was investigated. …”
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380
Study of Component Composition and Antimicrobial Activity of the Ophthalmic Emulsion Based on the Safflower Flowers (Carthamus tinctorius L.)
Published 2022-01-01“…The component composition was determined using gas chromatography with the Agilent 7890A/5975C mass spectrometry technique. …”
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