Results 151 to 160 of about 561,031 (183)

Discrimination of three Termitomyces species by HS-GC-IMS volatile profiles combined with biomarkers

Food Chemistry
The present research developed biomarkers based on volatile compounds for characterizing and identifying Termitomyces titanicus, T. intermedius and T. bulborhizus, using headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS). Principal component analysis (PCA) was performed based on signal intensity of identified volatile compounds, and ...
Qianqian, Tao, Asanka R, Bandara, Rohan S, Dassanayake, Jianchu, Xu, Heng, Gui, Itthayakorn, Promputtha, Peter E, Mortimer, Yuwei, Hu   +7 more
openaire   +3 more sources

Identification of changes in volatile compounds in dry-cured fish during storage using HS-GC-IMS

Food Research International, 2020
Changes in the volatile components of dry-cured fish during storage at 4 ℃ and 25 ℃ were investigated by HS-GC-IMS fingerprinting combined with principal component analysis (PCA). Topographic plots were used to establish the fingerprints of flavor substances, and 32 signal peaks were identified that corresponded to 22 compounds, mainly aldehydes ...
Qi, Zhang, Yicheng, Ding, Saiqi, Gu, Shichen, Zhu, Xuxia, Zhou, Yuting, Ding   +5 more
openaire   +2 more sources

Geographical differentiation of garlic based on HS-GC-IMS combined with multivariate statistical analysis

Analytical Methods
In this work, HS-GC-IMS combined with multivariate modeling was used to characterize the PGI garlic source.
Ya-Wei Cui, Ling-Xiao Liu, Le-Yi Zhang, Jun Liu, Cui-Juan Gao, Yun-Guo Liu   +5 more
openaire   +2 more sources

Comprehensive Chemical Profiling and Quality Assessment of Renshen Zaizao Wan by HS‐GC‐IMS Combined With Chemometrics

Biomedical Chromatography
ABSTRACT Renshen Zaizao Wan (RSZZW), a traditional Chinese patent drug originated in Qing dynasty, has been used clinically in China to treat stroke. It consists of 65 different types of plant‐, animal‐, and mineral‐derived Chinese medicinal herbs. However, current quality control of RSZZW mainly relies on a thin‐layer chromatography (
Wu Bi, Xiaoyan Huang, Kehan Pei, Zhiyan Tan, Hui Sun, Ye Ding, Wenli Li   +6 more
openaire   +2 more sources

Machine learning-assisted HS-GC-IMS for discrimination and traceability of baby bottles based on volatile fingerprints

Journal of Chromatography A
Ensuring the safety of food contact materials, particularly baby bottles, is crucial for infant health. In this study, a comprehensive analytical strategy integrating headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) with machine learning-based chemometrics was developed to profile volatile organic compounds (VOCs) and achieve ...
Junchao, Ma, Yinghua, Qi, Dan, Zhang, Haoran, Xuan, Mingyuan, Lei, Xuebo, Li, Wenhui, Lu, Huan, Chen   +7 more
openaire   +2 more sources

HS-GC-IMS couples with convolutional neural network for Burkholderia gladioli pv. Cocovenenans detection in Auricularia Auricula

Food Chemistry
The shortage in early detection methods for the pathogen Burkholderia gladioli pv. cocovenenans (BGC) and its toxin bongkrekic acid rises the risk for food poisoning. Combining Headspace-Gas Chromatography-Ion Mobility Spectrometry (HS-GC-IMS) with convolutional neural network, we established a HS-GC-IMS-VGGNet architecture for the detection of BGC in ...
Chen Niu, Mincheng Zhao, Qinglin Sheng, Yuanchun Wu, Zihan Song, Jianping Wei, Yahong Yuan, Tianli Yue   +7 more
openaire   +2 more sources

Traceability and discrimination of opium poppy shell analogues using HS-GC-IMS combined with machine learning algorithms

Analytical and Bioanalytical Chemistry
Illegal adulteration has been a critical issue in food safety, emerging as a focal point in forensic science. This situation has led to an increased demand for effective detection and monitoring technologies. Opium poppy shells are a critical source of drugs, and the accurate tracing and identification of their analogues are essential in drug-related ...
Yinghua, Qi, Junchao, Ma, Mingyuan, Lei, Hongbin, Guo, Xuebo, Li, Yuhao, Song, Wenhui, Lu, Xinhua, Lv, Nianfeng, Sun   +8 more
openaire   +2 more sources

The process monitors of probiotic fermented sour cherry juice based on the HS-GC-IMS

Microchemical Journal, 2022
Chang Gao, Rui Wang, Fang Zhang, Zhengchen Sun, Xianghong Meng   +4 more
openaire   +1 more source

The revelation of characteristic volatile compounds in egg powder and analysis of their adsorption rules based on HS-GC-IMS technology

Food Chemistry
The study constructed fingerprints and analyzed adsorption rules of volatile compounds (VOCs) in egg powder (EP) under different production processes, including egg white powder (EWP), egg yolk powder (EYP) and whole egg powder (WEP) by HS-GC-IMS. The 29 VOCs identified were primarily ketones and aldehydes.
Liu, Dong, Fujun, Guo, Yuan, Gao, Zhijie, Bao, Songyi, Lin   +4 more
openaire   +2 more sources

Discrimination of coal geographical origins through HS-GC-IMS assisted with machine learning algorithms in larceny case

Journal of Chromatography A
The process of globalization and industrialization has resulted in a rise in the theft of coal and other related products, thereby becoming a focal point for forensic science. This situation has engendered an escalated demand for effective detection and monitoring technologies. The precise identification of coal trace evidence presents a challenge with
Wenhui Lu, Chunli Ding, Mingshuo Zhu
openaire   +2 more sources