Article
Biochemistry & Molecular Biology
Samuel Macario Padilla-Jimenez, Maria Valentina Angoa-Perez, Hortencia Gabriela Mena-Violante, Guadalupe Oyoque-Salcedo, Jose Luis Montanez-Soto, Ernesto Oregel-Zamudio
Summary: This study investigated organic volatile markers of three strawberry varieties during different stages of maturation using gas chromatography-mass spectrometry. The dynamic changes in the concentration of certain compounds during maturation were observed, and these compounds were identified as possible volatile markers to measure the ripeness of strawberry fruits. The findings underscore the importance of harvest timing and maturation stage in preserving or enhancing the desirable aromatic characteristics of strawberries.
Article
Food Science & Technology
Ao Liu, Hongwei Zhang, Tongjie Liu, Pimin Gong, Yawei Wang, Hongze Wang, Xiaoying Tian, Qiqi Liu, Qingyu Cui, Xiang Xie, Lanwei Zhang, Huaxi Yi
Summary: This study investigated 46 strains of Streptococcus thermophilus isolated from commercial starter cultures and evaluated the aroma of the fermented milk produced by these strains. Different types of fermented milk were classified based on their sensory attributes, and their volatile compositions were analyzed using HS-GC-IMS and HS-SPME-GC-TOF/MS. Key compounds were identified using PCA and OPLS-DA, and these compounds could be used as indicators to develop fermented milks with specific aroma and flavor features.
Article
Food Science & Technology
Shouhui Wei, Jian Lyu, Lijuan Wei, Bojie Xie, Jinmei Wei, Guobin Zhang, Ju Li, Chengfei Gao, Xuemei Xiao, Jihua Yu
Summary: This study systematically optimized the HS-SPME conditions for the analysis of volatiles in coriander aerial part using chemometric approaches. A total of 67 volatiles were identified, with 21 characteristic volatiles contributing significantly to coriander flavor. The research provided advanced technical support for the extraction and analysis of coriander volatiles.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Food Science & Technology
Jiahui Chen, Lina Tao, Ting Zhang, Jingjing Zhang, Tingting Wu, Donglei Luan, Ling Ni, Xichang Wang, Jian Zhong
Summary: This study used different techniques to analyze the effects of four thermal processing methods on the aroma profiles of acidity regulator-treated tilapia muscles, finding that thermal processing significantly and differently decreased the types of volatile organic compounds in the muscles.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2021)
Article
Chemistry, Applied
Maurizio D'Auria, Richard Lorenz, Marisabel Mecca, Rocco Racioppi, Vito Antonio Romano, Licia Viggiani
Summary: The SPME-GC-MS analysis of Gymnadenia conopsea and Gymnadenia odoratissima varieties revealed differences in aroma components, which may play a role in pollinator attraction.
NATURAL PRODUCT RESEARCH
(2022)
Article
Chemistry, Applied
Maurizio D'auria, Richard Lorenz, Marisabel Mecca, Rocco Racioppi, Vito Antonio Romano, Licia Viggiani
Summary: The scent of Neotinea species was analyzed using solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS). Different species of Neotinea show different main components in their scents, including terpenes, alcohols, and alkanes.
NATURAL PRODUCT RESEARCH
(2022)
Article
Plant Sciences
Qin Peng, Yangyang Zhang, Junjun Fan, Anil Shrestha, Wangxiang Zhang, Guangyu Wang
Summary: Floral scent plays a crucial role in maintaining ecological equilibrium and has significant implications for human well-being. Research on floral scent has seen a rapid increase, particularly in the fields of food science technology, plant sciences, and chemistry. The focus of research has shifted from the exploration of individual pollination ecological functions to the holistic evaluation of floral scent's impact on species diversity and ecosystem stability.
Review
Chemistry, Analytical
Tianning Chen, Shuqi Liang, Yuemei Chen, Jiajia Han, Shanyue Guan, Xiaohong Chen, Wei Li, Junlang Qiu, Xin Yang, Fang Zhu, Gangfeng Ouyang
Summary: In recent years, the issue of odor in drinking water caused by disinfection has gained global attention. Accurate quantitative analysis is crucial for controlling and mitigating odorous substances in drinking water. This review summarizes the sampling, sample pretreatment, and analytical detection techniques, particularly quantitative analysis, for residual disinfectants and odorous disinfection byproducts (DBPs), and discusses research advancements and future perspectives in this field.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2023)
Article
Biochemistry & Molecular Biology
Miao Liang, Rui Wang, Yajian Wu, Runhu Xin, Wei Guan, Yuping Liu
Summary: In this study, volatile flavor components in seven mustard pastes were analyzed using headspace solid-phase microextraction combined with gas chromatography-mass spectrometry. A total of 27 volatile compounds were identified, including esters, sulfur-containing compounds, nitriles, ketones, alkenes, and other compounds. Six of these compounds were derived from the turmeric added to the mustard pastes. The findings provide a better understanding of the volatile flavor compounds in mustard pastes and have reference values for the development and application of isothiocyanate compounds.
Article
Food Science & Technology
Rosaria Cozzolino, Matteo Stocchero, Rosa Perestrelo, Jose S. Camara
Summary: The volatile profiles of eight saffron samples grown in different geographical districts were studied using HS-SPME/GC-MS. Several key odorants and pharmacologically active metabolites were identified, and the samples were successfully differentiated based on variety using multivariate statistical analysis.
Article
Infectious Diseases
Hong Luo, Yaping Hang, Hongying Zhu, Qiaoshi Zhong, Suqin Peng, Shumin Gu, Xueyao Fang, Longhua Hu
Summary: This study used HS-SPME/GC-MS to investigate the VOCs released by carbapenemase-producing CRKP, and identified 3-methyl-1-butanol as a potential biomarker for screening carbapenemase-producing CRKP strains.
INFECTION AND DRUG RESISTANCE
(2023)
Article
Chemistry, Analytical
Shu-Han Chang, Hui-Yu Ho, Ching-Chia Chang, Chi-Zong Zang, Ya-Hui Hsu, Mei-Chih Lin, Su-Hsiang Tseng, Der-Yuan Wang
Summary: Probable carcinogenic nitrosamine impurities, such as N-nitrosodiethylamine (NDEA) and N-nitrosodimethylamine (NDMA), have been detected in various pharmaceuticals in recent years. This study presents a gas chromatograph tandem mass (GC-MS/MS) method, using the headspace-solid phase microextraction (HS-SPME) sampling mode, for monitoring 14 nitrosamines in 44 pharmaceuticals. The optimized HS-SPME conditions achieved a limit of quantification (LOQ) of 0.05 μg/g for nitrosamines in pharmaceutical matrices.
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
(2022)
Article
Chemistry, Multidisciplinary
Xinlong Wu, Wei Li, Chao Li, Jiaxin Yin, Tong Wu, Min Zhang, Limin Zhu, Hanjiang Chen, Xilian Zhang, Songtao Bie, Fangyi Li, Xinbo Song, Xingchu Gong, Heshui Yu, Zheng Li
Summary: This study developed a method for quickly identifying the components of Acori tatarinowii rhizome (ATR) using headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and headspace solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) to analyze and characterize the volatile organic compounds (VOCs) of ATR. The results showed that these methods can effectively identify the quality of ATR and establish its fingerprint and heatmap.
ARABIAN JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Jingyi Xie, Xuejuan Li, Wei Li, Hui Ding, Jiaxin Yin, Songtao Bie, Fangyi Li, Chengwang Tian, Lifeng Han, Wenzhi Yang, Xinbo Song, Heshui Yu, Zheng Li
Summary: In this study, headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and headspace solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) were used to comprehensively analyze the volatile organic compounds (VOCs) of fresh and dried P. frutescens in different parts. The findings provide a reference for evaluating the quality and exploring the edible and medicinal effects of P. frutescens.
ARABIAN JOURNAL OF CHEMISTRY
(2023)
Article
Oncology
Mark Woollam, Amanda P. P. Siegel, Adam Munshi, Shengzhi Liu, Sunil Tholpady, Thomas Gardner, Bai-Yan Li, Hiroki Yokota, Mangilal Agarwal
Summary: Chemometric analyses showed that VOCs in mouse urine were dysregulated by prostate cancer and could distinguish tumor-bearing mice. VOCs in human urine could classify any type of prostate cancer and separate aggressive grades with higher sensitivity and specificity. The overlap in VOC structure and functionality between mice and humans suggests the merit of murine models for identifying biomarker candidates.
Article
Chemistry, Analytical
Liubei Meng, Rui Shi, Qiong Wang, Shu Wang
Summary: The study analyzed the floral fragrance compounds of Chimonanthus praecox in Yunnan, identifying 31 types of compounds and highlighting the differences between various C. praecox varieties through cluster and principal component analysis. This research provides insights into the mechanism and pathways of floral fragrance release in C. praecox, serving as a theoretical basis for further studies.
Article
Microbiology
Rui Shi, Shu Wang, Bingjie Xiong, Haiyan Gu, Huiling Wang, Chao Ji, Weijia Jia, Abraham Rami Horowitz, Wenjie Zhen, Jiftah Ben Asher, Xiahong He
Summary: This study reveals that the application of bioorganic fertilizers can improve soil health, alter soil metabolic functions, and stimulate specific rhizosphere microbiota for nutrient cycling and disease protection in Panax notoginseng.
Article
Forestry
Huipeng Li, Weijia Jia, Yue Li, Xiahong He, Shu Wang
Summary: This study investigated the abundance and diversity of nitrogen-fixing bacteria in subtropical forests of Yunnan, China. The results showed that altitude, season, and slope aspect all influenced the variation of nitrogen-fixing bacteria.
Review
Chemistry, Analytical
Chao Ji, Qin Zhang, Rui Shi, Juan Li, Xingyu Wang, Zhiqiang Wu, Ying Ma, Junli Guo, Xiahong He, Wenjie Zheng
Summary: This review examines the existing technologies for determining the authenticity and origin of Panax notoginseng, including morphological, chemical, and molecular biology methods. The current problems and future research directions are discussed to promote the further development and improvement of quality control technology systems for P. notoginseng.
JOURNAL OF AOAC INTERNATIONAL
(2022)
Article
Horticulture
Yue Li, Weijia Jia, Qiong Wang, Biao Wang, Shu Wang
Summary: This study identified floral scent compounds in Chimonanthus praecox using headspace solid-phase microextraction gas chromatography-mass spectrometry. The results showed that the number and composition of floral scent compounds varied between different varieties of C. praecox, as well as with circadian rhythms, temperature, humidity, and light intensity. These findings contribute to the understanding of the biosynthesis and emission mechanisms of floral scent compounds in C. praecox.
SCIENTIA HORTICULTURAE
(2022)
Article
Plant Sciences
Yan Qu, Zhi Ou, Shu Wang
Summary: The study revealed the mechanisms of petal coloration in three different Meconopsis species, identifying cyanidin and flavonols as the main factors affecting coloration. The analysis also found stress resistances in these species.
SOUTH AFRICAN JOURNAL OF BOTANY
(2022)
Article
Biochemistry & Molecular Biology
Wendong Wang, Donghua Li, Ping Xiang, Yunwu Zheng, Zhifeng Zheng, Xu Lin, Xiahong He, Can Liu
Summary: The pyrolysis of biomass can convert it into high-performance chemicals and functional materials. However, current technologies have limitations in terms of conversion rates and products. This study presents a method for producing nitrogen-containing chemicals and biochar with high adsorption capacity through the carbonization of walnut shells. It provides an efficient, rapid, and environmentally friendly approach for utilizing biomass.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Microbiology
Weijia Jia, Shu Wang, Xiahong He, Xiaoyan Zhao
Summary: Land-use conversion has an impact on the composition and assembly of plant-associated microbiomes, which in turn affects plant growth, development, and ecosystem functioning. Agroforestry systems play a crucial role in shaping the dynamics of different plant-associated microbes.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Agronomy
Jingying Hei, Shu Wang, Xiahong He
Summary: This study found that organic acid concentrations greater than 150 mg/kg are detrimental to the relationships among plant growth, soil environment, and microbiomes in Panax notoginseng, indicating the occurrence of continuous cropping obstacles. Therefore, it is recommended to avoid replanting P. notoginseng.
Article
Agronomy
Weijia Jia, Jingying Hei, Xiahong He, Shu Wang
Summary: Altitude, season, and slope aspect have significant impacts on bacterial variation in subtropical forests, with altitude having the greatest influence. Soil water content, organic matter, total nitrogen, and ammonium nitrogen are important factors affecting bacterial abundance and diversity.
Article
Biochemistry & Molecular Biology
Xuechun Zhang, Shi Li, Zhibin Zhang, Kin Weng Kong, Zhenxing Wang, Xiahong He
Summary: This study found that short-term fermentation with probiotics can enhance the content and bioactivity of active components in Gynostemma pentaphyllum leaves, while prolonged fermentation may lead to a decline in these aspects. Among the four probiotics studied, SWFU D16 fermentation for 2 days showed the best effect, significantly improving the total phenolic and total flavonoid content, antioxidant capacity, and inhibitory ability against α-glucosidase activity.