Results 1 to 10 of about 5,843 (185)

Characterization of Volatile Component Changes in Peas under Different Treatments by GC-IMS and GC-MS

Journal of Food Quality, 2021
Volatile profiles of peas under 9 kinds of different treatments including native, washing, blanching, precooling, freezing, steaming, boiling, frying, and freeze-drying were characterized by GC-IMS and GC-MS.
Kangyi Zhang, Can Zhang, Haining Zhuang, Yue Liu, Tao Feng, Bin Nie   +5 more
doaj   +5 more sources

Optimizing GC-IMS for Pork Volatile Fingerprinting: Effects of Incubation Conditions and Medium on Aroma Profiles [PDF]

Foods
Volatile organic compounds (VOCs) are key aroma determinants in pork, and gas chromatography-ion mobility spectrometry (GC-IMS) is an effective technique for their detection.
Lei Yu, Binbin Wang, Ziwei Xu, Kaili Ge, Yihan Yuan, Xiangbin Ding, Xiaoming Men, Keke Qi   +7 more
doaj   +2 more sources

Fingerprinting of Green Arabica Coffee Volatile Organic Compounds (VOCs): HS-GC-IMS Versus GC × GC-MS [PDF]

International Journal of Food Science
This study compared two nontargeted analytical techniques—headspace gas chromatography–ion mobility spectrometry (HS-GC-IMS) and comprehensive two-dimensional gas chromatography–mass spectrometry (GC × GC-MS)—to fingerprint the volatile organic compounds
Matteo Bordiga, Vincenzo Disca, Marcello Manfredi, Elettra Barberis, Francesca Carrà, Luciano Navarini, Valentina Lonzarich, Marco Arlorio   +7 more
doaj   +2 more sources

Interpretable machine learning for the grade prediction of strong flavor yuanjiu (crude Baijiu) based on HS-GC-IMS [PDF]

Food Chemistry: X
The complexity of the Baijiu matrix makes it a key challenge to map specific flavor compounds to Baijiu grading. Headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and machine learning (ML) techniques were combined to explore the grade ...
Jia Ouyang, Jinsong Zhao, Mingquan Huang, Hongqin Liu, Baoguo Sun, Jihong Wu, Hehe Li, Dongrui Zhao   +7 more
doaj   +2 more sources

Non-Targeted Screening Approaches for Profiling of Volatile Organic Compounds Based on Gas Chromatography-Ion Mobility Spectroscopy (GC-IMS) and Machine Learning

Molecules, 2021
Due to its high sensitivity and resolving power, gas chromatography-ion mobility spectrometry (GC-IMS) is a powerful technique for the separation and sensitive detection of volatile organic compounds.
Charlotte Capitain, Philipp Weller
doaj   +1 more source

Comparative Study of E-Nose, GC-MS, and GC-IMS to Distinguish Star Anise Essential Oil Extracted Using Different Extraction Methods

Separations, 2023
In this study, star anise (Illicium verum) essential oils (SAEOs) were extracted by hydrodistillation (HD), ethanol solvent extraction (ESE), supercritical CO2 (SCD) and subcritical extraction (SE) via electronic nose (E-nose), gas chromatography-mass ...
Xianghua Chai, Xiaowan Huang, Tong Zhang, Kegang Wu, Xuejuan Duan, Hongpeng Yu, Xiaoli Liu   +6 more
doaj   +1 more source

Limitations of GC-QTOF-MS Technique in Identification of Odorous Compounds from Wastewater: The Application of GC-IMS as Supplement for Odor Profiling

Atmosphere, 2021
Odorous emissions from wastewater treatment plants (WWTPs) cause negative impacts on the surrounding areas and possible health risks on nearby residents. However, the efficient and reliable identification of WWTPs’ odorants is still challenging.
Wei Gao, Xiaofang Yang, Xinmeng Zhu, Ruyuan Jiao, Shan Zhao, Jianwei Yu, Dongsheng Wang   +6 more
doaj   +1 more source

Differential Fingerprint Analysis of Volatile Compounds in Rice with Remained Germ Roasted to Different Degrees by Gas Chromatography-Ion Mobility Spectrometry and Principal Component Analysis [PDF]

Shipin Kexue, 2023
The volatile flavor substances of rice with remained germ roasted to different degrees were analyzed and compared by gas chromatography-ion mobility spectrometry (GC-IMS) combined with principal component analysis (PCA), with the aim of establishing ...
WANG Ziyan, DOU Boxin, JIA Jianhui, ZHANG Yu, LIU Ying, ZHANG Na
doaj   +1 more source

Fast and Non-Destructive Profiling of Commercial Coffee Aroma under Three Conditions (Beans, Powder, and Brews) Using GC-IMS

Molecules, 2022
The flavor of coffee can be affected by the preparation parameters. In this investigation, the flavor profiles of three coffee brands under three conditions (bean, powder, and brew) were analyzed by gas chromatography—ion mobility spectrometry (GC-IMS ...
Yanping Chen, He Chen, Dandan Cui, Xiaolei Fang, Jie Gao, Yuan Liu   +5 more
doaj   +1 more source

Headspace Gas Chromatography Coupled to Mass Spectrometry and Ion Mobility Spectrometry: Classification of Virgin Olive Oils as a Study Case

Foods, 2020
Due to its multiple advantages, ion mobility spectrometry (IMS) is being considered as a complementary technique to mass spectrometry (MS). The goal of this work is to investigate and compare the capacity of IMS and MS in the classification of olive oil ...
María García-Nicolás, Natalia Arroyo-Manzanares, Lourdes Arce, Manuel Hernández-Córdoba, Pilar Viñas   +4 more
doaj   +1 more source