Results 81 to 90 of about 13,634 (233)

QuEChERS-UPLC-MS/MS Method to Determination of Alternaria Toxins and Contamination Analysis in Red Date and Its Products

Shipin gongye ke-ji, 2022
In order to further grasp the contamination level of Alternaria toxins in red date, this study took commercially available red date and its products as the research objects, explored the extraction method of mycotoxins with QuChERS as the core and ...
Lingling LU, Yingying FAN, Ruili ZHANG
doaj   +1 more source

Report on the 2016 Proficiency Test of the European Union Reference Laboratory for Mycotoxins for the Network of National Reference Laboratories: Determination of tropane alkaloids in cereal products for infants and young children [PDF]

, 2017
Tropane alkaloids (TAs) are plant toxins that occur mainly in Datura, Atropa and Hyoscyamus sp, belonging to the Solanaceae family, besides a variety of other families such as Erythroxylaceae, Brassicaceae, Proteaceae, Euphorbiaceae, Rhizophoraceae ...
BRATINOVA STEFANKA, CUBERO LEON ELENA, MISCHKE CARSTEN, OLIVEIRA GONCALVES CARLOS, STROKA JOERG, TAMOSIUNAS VYTAUTAS   +5 more
core   +1 more source

Organochlorine Pesticide Residues in Raw Milk Samples Collected From Goat's Dairy Farms of Kastamonu Province, Türkiye

Veterinary Medicine and Science, Volume 12, Issue 3, May 2026.
This study analyzed 20 goat milk samples from Kastamonu, Türkiye, detecting methoxychlor, β‐endosulfan, and p,p'‐DDE residues. While methoxychlor exceeded maximum residue limits (MRL) in 13 of 14 positive samples, other residues remained below established thresholds.
Sedat Gökmen, Nurcan Demir
wiley   +1 more source

Monitoring and Managing of Ergot Alkaloids in Cereal Grains: A Comprehensive Analysis of Analytical Challenges, Sampling Uncertainty, and Processing for Food Safety

Comprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 3, May 2026.
ABSTRACT Ergot alkaloids (EAs), toxic secondary metabolites produced by Claviceps purpurea, pose food and feed safety concerns for cereal grains, particularly rye and wheat. While EAs are most frequently associated with rye, their occurrence in other cereals has been increasingly reported across diverse regions.
Chamali Kodikara, Nandika Bandara, Sheryl A. Tittlemier   +2 more
wiley   +1 more source

Multi-residue analysis of 203 pesticides in strawberries by liquid chromatography tandem mass spectrometry in combination with the QuEChERS method

CyTA - Journal of Food, 2019
Herein, a QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure together with liquid chromatography and tandem mass spectrometry was applied to the multi-residue analysis of 203 pesticides in strawberries.
Nho-Eul Song, Miyoung Yoo, Tae Gyu Nam
doaj   +1 more source

Analysis of crotonaldehyde puff-by-puff release in mainstream cigarette smoke under various smoking regimens by high-performance liquid chromatography with the modified QuEChERS method [PDF]

Royal Society Open Science, 2018
To study puff-by-puff release characteristics of crotonaldehyde in mainstream cigarette smoke under diverse intensive smoking regimens, we designed an RM20H smoking machine with a puff-by-puff smoke collection unit to automatically trap crotonaldehyde in
Chao Li, E'xian Li, Jian Zhang, Ying Tao, Chengming Zhang, Xiaofeng Shen, Ya Liu, Yunhua Qin   +7 more
doaj   +1 more source

Análise e validação de metodologia para determinação de ametrina, diuron, hexazinona e tebutiuron em filé de tilápia. [PDF]

, 2015
Resumo: Embora os herbicidas sejam amplamente utilizados nas atividades agrícolas, o impacto desta utilização sobre a qualidade das águas é pouco conhecido e tem sido alvo de estudos em todo o mundo, sendo que efeitos mutagênicos e genotóxicos já foram ...
ASSALIN, M. R., FERRACINI, V. L., JONSSON, C. M., QUEIROZ, S. C. do N. de, VILHENA, E. A.   +4 more
core  

Determination of the chemical composition of tea by chromatographic methods: a review [PDF]

, 2015
Despite the fact that mankind has been drinking tea for more than 5000 years, its chemical composition has been studied only in recent decades. These studies are primarily carried out using chromatographic methods.
Combet, Emilie, Nemzer, Boris V., Yashin, Alexandr Ya, Yashin, Yakov I.   +3 more
core   +1 more source

Can Invasive Suckermouth Catfish, Hypostomus Plecostomus, Be Used as Fishmeal? A Potential Solution to Eradicate it from the Buriganga River, Bangladesh

Aquaculture, Fish and Fisheries, Volume 6, Issue 2, April 2026.
Can invasive suckermouth catfish, Hypostomus plecostomus, be used as fishmeal? A potential solution to eradicate it from the Buriganga River, Bangladesh ABSTRACT The sustainable replacement of conventional fish meal (CFM) remains a critical challenge for aquaculture, given its rising cost and limited supply.
Md Jakiul Islam, Esrat Jahan Essu, Md. Forhad Hossain, Md. Ariful Islam, Sumit Kumer Paul, Md Afsar Ahmed Sumon, Mohammad Abu Jafor Bapary, Hien Van Doan   +7 more
wiley   +1 more source

Sample Extraction Methods for Determining Trace Carbamate and Triazole Pesticides in Soil

Yankuang ceshi, 2015
QuEChERS method, Accelerated Solvent Extraction(ASE) and Ultrasound Extraction(UE) were used for sample extraction and are reported in this paper. Combined with liquid chromatograph coupled with mass spectrometry, these extraction methods were used to ...
ZHANG Jing, RAO Zhu, LIU Yan, LI Xiao-jie, HUANG Yi   +4 more
doaj   +1 more source