Article
Chemistry, Applied
Junlin Wang, Zengxuan Cai, Nianhua Zhang, Zhengyan Hu, Jing Zhang, Ying Ying, Yongxin Zhao, Liang Feng, Jingshun Zhang, Pinggu Wu
Summary: This study aimed to establish a novel method for determining acrylamide in coffee and its products using ultraperformance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). The method involved a single-step solid-phase extraction clean-up and bromine derivatization to improve accuracy and specificity.
Article
Chemistry, Applied
Shihui Shan, Yunjiao Ma, Changling Sun, Xiaolu Guo, Han Zheng, Xianbing Xu, Lei Qin, Jiangning Hu
Summary: This study developed a cost-effective method for the simultaneous extraction of 14 heterocyclic aromatic amines (HAAs) in food matrix using Fe3O4@PDA nanoparticles and UPLC-MS/MS technique. The method successfully separated and quantified HAAs in meat products, with good recovery rates and precision, demonstrating its potential for commercial meat product evaluation.
Article
Chemistry, Applied
Jiankun Cao, Sihui Liang, Hao Zhang, Qian Xu, Wenliang Ji
Summary: In this study, SS/PAN NFM was prepared and applied for solid-phase extraction of seven beta-agonists residues in pork samples. The adsorption process was found to be spontaneous with high initial adsorption rate and maximum capacity. The method showed high sensitivity, good recoveries, and acceptable precision, demonstrating its practicality in preventing the hazard of beta-agonists residues.
Article
Plant Sciences
Corrado Perin, Pankaj Kumar Verma, Gil Harari, Yedidya Suued, Matanya Harel, Danielle Ferman-Mintz, Elyashiv Drori, Yishai Netzer, Aaron Fait
Summary: Continuously increasing global temperature could have a significant impact on grape berry metabolite accumulation, wine polyphenol concentration, and color intensity. Field trials were conducted to explore the effect of late shoot pruning on grape berry and wine metabolite composition. The results showed that late pruning treatments had a significant effect on must and wine metabolites, with higher metabolite content observed in the late shoot pruning treatments for Syrah grapes, but not consistently for Malbec grapes. This suggests that late shoot pruning can impact must and wine quality-related metabolites, which may be related to enhanced photosynthetic efficiency, especially in warm climates.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Environmental Sciences
Qi Lu, Nan Lin, Xiaomeng Cheng, Tao Yuan, Yan Zhang, Yu Gao, Yankai Xia, Yuning Ma, Ying Tian
Summary: This study developed a fast and sensitive method for the simultaneous analysis of multiple organophosphorus metabolites in urine through solid phase extraction and UPLC-MS/MS detection. The method showed good applicability in assessing human exposures to organophosphates and demonstrated feasibility and reliability for large population-based studies.
Article
Environmental Sciences
Ying-qiang Li, Ze-hua Liu, Sa Chen, Ying-juan Wu, Jing-tang Liang, Zhi Dang, Yun Liu
Summary: A trace determination method for 15 free amino acids in drinking source water was developed using solid-phase extraction coupled with ultra-high pressure liquid chromatography tandem mass spectrometry. The method showed excellent linearity, low limits of detection, and good recoveries, making it suitable for the analysis of this type of sample. The top five amino acids found in the drinking source water samples were serine, glycine, leucine, alanine, and isoleucine.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Lina Xin, Dingzhi Jiang, Feiyan Liang, Hongliang Zhang, Kai Wei, Jie Wang
Summary: A new method combining PAX solid-phase extraction and ultra-high performance liquid chromatography-tandem mass spectrometry was established to verify the residual amount of PCP-Na in samples. The method showed good detection performance within the concentration range of PCP-Na and was simple, accurate, and easy to operate.
WATER AIR AND SOIL POLLUTION
(2022)
Article
Food Science & Technology
Lara Dias, Juliana Milheiro, Miguel Ribeiro, Cristina Fernandes, Nuno Neves, Luis Filipe-Ribeiro, Fernanda Cosme, Fernando M. Nunes
Summary: Wine phenolic compounds, especially proanthocyanidins, are important for wine sensory characteristics, such as bitterness and astringency. Patatin, a vegetable protein, has been explored as an alternative fining agent to reduce wine bitterness. However, there are contradictory results regarding its effectiveness in removing proanthocyanidins in red wines.
Article
Chemistry, Applied
Yonghuan Yan, Kaoqi Lian, Pin Lv, Lianfeng Ai, Haichao Zhang, Yan Zhang
Summary: A method using UPLC-MS/MS was developed and validated for the determination of HG and TQ in 26 kinds of spices, showing sensitivity, rapidity, and convenience. The method could be used for regulatory purposes to screen for the presence of these doping agents in various spices.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2022)
Article
Food Science & Technology
Xiao-Shuai Yang, Jie Zhao, Tian-Tian Ma, Zi-Yu Li, Lu-Liang Wang, Shi-Lei Ji, Meng-Yue Sun, Yu -Shen Liu, Zhen-Hua Hu, Quan-Wen Liu, Cheng-Wu Jin, Shu-Yang Sun, Han-Sheng Gong
Summary: Magnetic covalent organic frameworks (Fe3O4@COFs) nanospheres were successfully synthesized and used for efficient and selective extraction of Ochratoxin A (OTA) in food. A sensitive analytical method based on Fe3O4@DhaTab-based magnetic solid phase extraction (MSPE) coupled with high performance liquid chromatography with fluorescence detection (HPLC-FLD) was developed for OTA determination in beer, Chinese Baijiu and vinegar.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Analytical
Olena Artiushenko, Volodymyr Zaitsev
Summary: A simple and efficient solid phase extraction technique using functionalized silica nanocomposites was developed and optimized for the extraction of phenolic compounds from wine. The method involved pre-concentration and cleaning of the compounds using an adsorbent with covalently immobilized fragments of phosphonic acid covered with Fe3+ ions. The technique was successfully applied for the quantification of five phenolic compounds in red and white wine samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Biochemical Research Methods
Rihui Su, Xiaohua Xiao, Gongke Li
Summary: A new method for the determination of methylimidazoles in beverages was developed using a poly(N-isopropylacrylamide) thermosensitive hydrogel tube tip solid-phase extraction/UPLC-MS/MS method. The method combines the advantages of thermosensitive hydrogel solid-phase extraction with UPLC-MS/MS for accurate and rapid analysis, with good recovery and repeatability.
JOURNAL OF CHROMATOGRAPHY A
(2023)
Article
Food Science & Technology
Fernanda Cosme, Antonio Ines, Davide Silva, Luis Filipe-Ribeiro, Luis Abrunhosa, Fernando M. Nunes
Summary: OTA removal from white wines was less affected by ACs characteristics, while red wines were impacted by pore size competition. ACs treatment positively influenced white wine chromatic characteristics, but had limited impact on red wine.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2021)
Article
Chemistry, Analytical
Hamed Sahebi, Amir Jouya Talaei, Elham Abdollahi, Fataneh Hashempour-Baltork, Somaye Vali Zade, Behrooz Jannat, Nafiseh Sadeghi
Summary: This research developed a method using functional imidazole-based ionic liquid-modified magnetic chitosan nanoparticles and UPLC-MS/MS for the simultaneous pre-concentration and determination of twenty-two antibiotics and their metabolites in milk samples. The synthesized nanoparticles were characterized, and experimental variables were optimized. The proposed method showed good linearity and minimized matrix effects, with high recoveries and low limits of detection. Residual antibiotics were found in a significant number of milk samples, but the human health risks from milk consumption were found to be negligible.
Article
Chemistry, Multidisciplinary
Fidel Navarro-Garcia, Nestor Ponce-Ruiz, Aurora Elizabeth Rojas-Garcia, Gabriela Avila-Villarreal, Jose Francisco Herrera-Moreno, Briscia S. Barron-Vivanco, Yael Y. Bernal-Hernandez, Cyndia Azucena Gonzalez-Arias, Irma Martha Medina-Diaz
Summary: The study aimed to evaluate the effects of dietary intake, red wine consumption, and PON1 genotypes on the specific activity of PON1 in a healthy population. Results showed a significant increase in PON1 specific AREase activity after red wine consumption, suggesting a beneficial effect on this healthy Mexican population.
APPLIED SCIENCES-BASEL
(2021)
Article
Chemistry, Applied
M. Graca Dias, Elsa Vasco, Francisco Ravasco, Lufsa Oliveira
Summary: This study estimated the vitamin D intake of "adults" and "elderly" populations in Portugal using the TDS methodology. The results showed that the majority of people had inadequate vitamin D intake, well below the Dietary Reference Values.
Article
Chemistry, Applied
Yanan Wang, Jiachen Shi, Yong-Jiang Xu, Chin-Ping Tan, Yuanfa Liu
Summary: This study investigates the variations in lipid digestion profiles among individuals of different ages using in vitro digestion models. The findings suggest that adults have a more comprehensive lipid digestion compared to infants, and infants tend to release shorter chain length and more saturated free fatty acids during digestion. Additionally, the particle sizes in the stomach of the elderly were consistently larger. This study enhances our understanding of how lipids with different degrees of unsaturation undergo digestion in diverse age groups.
Article
Chemistry, Applied
Hyunjong Yu, Huisu Kim, Pahn-Shick Chang
Summary: Chitosan-pectin emulsion-filled hydrogel (EFH) was developed to enhance the bioaccessibility of lipophilic bioactive compounds through intestinal delivery. The EFH, prepared without crosslinking agents, demonstrated improved mechanical strength and compactness with higher pectin concentration. It retained the emulsion at pH 2.0 and released it at pH 7.4, resulting in enhanced release of free fatty acids and improved bioaccessibility of curcumin.
Article
Chemistry, Applied
Tongze Zhang, Siqi Hong, Jia-Rong Zhang, Pin-He Liu, Siyi Li, Zixian Wen, Jianwei Xiao, Guirong Zhang, Olivier Habimana, Nagendra P. Shah, Zhongquan Sui, Harold Corke
Summary: Lactic acid fermentation significantly affects the morphology and physicochemical properties of proso millet starch, including the formation of surface indentations and small pores, decrease in gelatinization temperatures, and changes in hardness and adhesiveness.
Article
Chemistry, Applied
Liqin Kong, Feng Hong, Peng Luan, Yiping Chen, Yaoze Feng, Ming Zhu
Summary: This study presents a novel impedance biosensor using composite nanomaterials and T1R1 as a signal probe, which can competitively and ultra-sensitively detect umami intensity. The biosensor exhibits exceptional analytical performance and is suitable for food flavor evaluation.
Article
Chemistry, Applied
Kunying Lv, Yixin Yang, Qilong Li, Ran Chen, Liang Deng, Yiwei Zhang, Ning Jiang
Summary: Horse's milk, with its high nutritional value and low allergenic proteins, could be a substitute for cow's milk in infant consumption. A proteomic method was used to identify and compare milk fat globule membrane (MFGM) and whey proteins from different horse breeds. The study found differences in protein composition and functionality, which could support the development of formulas more suitable for human infants.
Article
Chemistry, Applied
Enrique Jacobo Diaz-Montana, Helene Brignot, Ramon Aparicio-Ruiz, Thierry Thomas- Danguin, Maria Teresa Morales
Summary: Sensory perception of virgin olive oil is influenced by phenols and volatiles, which are affected by the composition of the oil and biological factors. This study investigated the effect of saliva and phenols on the release of volatiles, and found that the presence of phenols decreased the release of saturated volatiles.
Article
Chemistry, Applied
Wei Zhou, Rui Zhang, Zhen Cai, Fangfang Wu, Yong Hu, Chao Huang, Kun Hu, Yun Chen
Summary: Environmentally friendly and outstanding pH-responsive cationic starch nanoparticles (CSNP) were prepared from pH-sensitive starch. CSNP exhibited nanosize and regular sphere, highly free-flowing molecular chains, and demonstrated excellent pH responsiveness through multiple emulsion/demulsification transitions.
Article
Chemistry, Applied
Andrea Koo, Vinayak Ghate, Weibiao Zhou
Summary: This study suggests that direct seeding may negatively affect the nutritional quality of crops, causing a decrease in ascorbic acid, vitamin K, and total glucosinolate content.
Article
Chemistry, Applied
Tonghao Du, Yazhou Xu, Xiaoyan Xu, Shijin Xiong, Linli Zhang, Biao Dong, Jinqing Huang, Tao Huang, Muyan Xiao, Tao Xiong, Mingyong Xie
Summary: This study successfully improved the ACE inhibitory activity of black sesame seeds by fermenting them with Lactobacillus Plantarum NCU116 and hydrolyzing them using acid protease. The RF-PSO model was used to predict the ACE inhibitory activity during the hydrolysis process. Eight peptides with ACE inhibitory activity were identified from fermented black sesame seed hydrolysates after separation and screening.
Article
Chemistry, Applied
Yao Liu, Songyi Lin, Kexin Liu, Shan Wang, Qiaozhen Liu, Na Sun
Summary: This study analyzed the structural changes of shrimp proteins during digestion, predicted the immunodominant epitopes, and validated their allergenicity. The results showed that shrimp proteins were degraded into peptides during digestion, but still carried IgE epitopes that trigger allergic reactions.
Article
Chemistry, Applied
Tiantian Fu, Hongwei Cao, Yu Zhang, Xiao Guan
Summary: This study investigates the impact of milling on the active components in rice, with a focus on the stability and bioaccessibility of phenols, VB1, and alpha-GABA during cooking and digestion. The findings show that milling exacerbates the instability of gamma-GABA during cooking and VB1 during digestion, and it affects the bioaccessibility of these active compounds.
Article
Chemistry, Applied
Zhihao Yang, Yanru Hou, Min Zhang, Puxin Hou, Chang Liu, Lu Dou, Xiaoyu Chen, Lihua Zhao, Lin Su, Ye Jin
Summary: This study investigated the molecular mechanism of feeding regimes on lamb flavor by using TMT labeling combined with MS. The results showed that pasture-fed groups had higher levels of amino acids and volatile flavor substances compared to concentrate-fed groups. Additionally, several differentially abundant proteins associated with lamb flavor were identified.
Article
Chemistry, Applied
Zixuan Xie, De Zhang, Junyu Zhu, Qianqian Luo, Jun Liu, Jingtao Zhou, Xiaoyong Wang, Yuqiong Chen, Zhi Yu, Dejiang Ni
Summary: This study investigated the acidification of aroma-enhanced black tea during storage. Analysis of non-volatile substances and organic acids using UPLC-Q-TOF/MS and HPLC revealed a decrease in soluble sugars and amino acids, while an increase in organic acids such as oxalic acid, malic acid, and quinic acid. In vitro experiments further demonstrated that the acidification is a result of the decomposition of sugars and amino acids by heating, as well as the oxidation of aromatic aldehydes. Additionally, the study showed that the taste composition of tea infusion is altered, with reduced amino acids, catechins, soluble sugars, and flavonoids. This research provides a theoretical basis for improving the quality of black tea.
Article
Chemistry, Applied
Lin Wang, Falai Ma, Zihan Li, Yan Zhang
Summary: This study developed time-temperature integrators based on amyloglucosidase@Cu3(PO4)2 nanoflowers for monitoring the freshness of chilled pork. The results showed that the integrators were highly reliable and accurate in predicting the quality of chilled pork.