Results 1 to 10 of about 8,622 (118)

Differential Analysis of Non-Volatile and Volatile Organic Compounds in Lonicerae japonicae Flos Across Four Geographical Origins of China Using HS-GC-IMS, HS-SPME-GC-MS, UPLC-Q-TOF-MS, and Multivariate Statistical Methods [PDF]

open access: yesMolecules
Geographical origin constitutes one of the key factors that exert an influence on chemical compounds of Lonicerae japonicae flos (LJF). The present research was designed to explore differences among volatile organic compounds (VOCs) and non-VOCs among ...
Xiaobei Ning   +8 more
doaj   +2 more sources

Unraveling the volatile profile and bioactivity of Zhoupigan (Citrus reticulata cv. Manau Gan) essential oil via HS-GC-IMS and HS-SPME-GC-MS: a comprehensive evaluation of different extraction techniques [PDF]

open access: yesFrontiers in Nutrition
IntroductionZhoupigan (Citrus reticulata cv. Manau Gan), also known as Zangju or Shitougan, is a distinctive Chinese citrus resource valued for both traditional medicinal uses and food flavoring, and is notably rich in essential oils (EOs).
Huanhuan Xu   +15 more
doaj   +2 more sources

Analysis of Major Aroma Compounds in Fermented and Prepared Hawthorn Wine [PDF]

open access: yesShipin Kexue, 2023
In this study, liquid-liquid extraction-solvent assisted flavor evaporation (LLE-SAFE), headspace solid phase microextraction extraction (HS-SPME), gas chromatography-quadrupole-mass spectrometry (GC-Quadrupole-MS), gas chromatography-orbitrap-mass ...
GU Peishan, CHEN Yixin, WANG Chunguang, ZHU Yuxuan, CHANG Xiaomin, WANG Sisi, ZHU Baoqing, WANG Houyin
doaj   +1 more source

Identification of Characteristic Flavor Substances of Jingyang Fu Brick Tea by Gas Chromatography-Ion Mobility Spectrometry and Headspace Solid Phase Microextraction-Gas Chromatography-Mass Spectrometry [PDF]

open access: yesShipin Kexue, 2023
In order to determine the characteristic flavor of Jingyang Fu brick tea, a national geographical indication product, the volatile compounds of Jingyang Fu brick tea, Anhua Fu brick tea and four other dark teas were analyzed by gas chromatography-ion ...
HOU Xiaohui, ZHANG Ting, ZHANG Meng, LUO Haojie, YUE Yuan, XIAO Chunge, YUE Tianli
doaj   +1 more source

The Discrimination and Characterization of Volatile Organic Compounds in Different Areas of Zanthoxylum bungeanum Pericarps and Leaves by HS-GC-IMS and HS-SPME-GC-MS

open access: yesFoods, 2022
The pericarps of Zanthoxylum bungeanum (ZBP) and leaves of Zanthoxylum bungeanum (ZBL) are popular spices in China, and they have pharmacological activities as well.
Xinlong Wu   +11 more
doaj   +1 more source

Discrimination and Characterization of the Volatile Organic Compounds in Schizonepetae Spica from Six Regions of China Using HS-GC-IMS and HS-SPME-GC-MS

open access: yesMolecules, 2022
Volatile organic compounds (VOCs) are the main chemical components of Schizonepetae Spica (SS), which have positive effects on the quality evaluation of SS.
Chao Li   +10 more
doaj   +1 more source

Optimisation of Urine Sample Preparation for Headspace-Solid Phase Microextraction Gas Chromatography-Mass Spectrometry: Altering Sample pH, Sulphuric Acid Concentration and Phase Ratio

open access: yesMetabolites, 2020
Headspace-solid phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS) can be used to measure volatile organic compounds (VOCs) in human urine.
Prashant Aggarwal   +5 more
doaj   +1 more source

HS-SPME-GC/MS Analysis for Revealing Carob’s Ripening

open access: yesMetabolites, 2022
Carob’s recognized nutritional and medicinal value next to its unique agriculture importance is associated with an array of social, economic, and cultural activities.
Panagiota Fella   +3 more
doaj   +1 more source

浓香葵花籽油气味活性物质的HS-SPME 萃取条件优化及GC-O-MS分析Optimization of HS-SPME and identification of aroma-active substances in fragrant sunflower seed oil by GC-O-MS

open access: yesZhongguo youzhi, 2023
为了提高浓香葵花籽油风味物质的萃取效果及对其气味活性物质进行鉴定,对顶空固相微萃取(HS-SPME)的萃取条件进行优化,并结合气相色谱-嗅闻-质谱技术(GC-O-MS)对浓香葵花籽油的气味活性物质进行分离和鉴定。结果表明,HS-SPME萃取浓香葵花籽油的最佳条件为样品3 g,DVB/CAR/PDMS萃取头长度2 cm,萃取温度70 ℃,萃取时间50 min。通过GC-O-MS分析,在浓香葵花籽油(160 ℃烘烤葵花籽仁25 min)中共鉴定出63种挥发性物质,其中12种具有气味活性,包括4种吡嗪类 ...
尹文婷,师瑞,马宇翔,王岸娜,汪学德 YIN Wenting, SHI Rui, MA Yuxiang, WANG Anna, WANG Xuede
doaj   +1 more source

Flavor properties of Chinese noodles processed by dielectric drying

open access: yesFrontiers in Nutrition, 2022
Volatile organic compounds (VOCs) significantly impact food flavor. In this work, Electron nose (E-nose), head space solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS), and head space-gas chromatography-ion mobility ...
Qian Lin   +6 more
doaj   +1 more source

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