Agus, Baizura Aya Putri Hussain, Norhayati Selamat, Jinap
Published in
Food chemistry
Roasting is an important process in cocoa production which may lead to formation of non-desirable compounds such as polycyclic aromatic hydrocarbons (PAHs). Therefore, PAH4 (sum of four different polycyclic aromatic hydrocarbons; benz[a]anthracene, chrysene, benzo[b]fluoranthene, and benzo[a]pyrene) in roasted cocoa beans was determined using a mod...
Mandal, Swagata Poi, Rajlakshmi Ansary, Inul Hazra, Dipak Kumar Bhattacharyya, Sudip Karmakar, Rajib
Published in
SN Applied Sciences
A modified QuEChERS method was developed for the determination of 64 pesticides in apple, guava andbanana using GC–MS and LC–MS/MS. Out of sixty-four pesticides, 39 (32 insecticides + 7 herbicides) were analysed by GC–MS and others were analysed in LC–MS/MS. The efficiency of methanol, ethyl-acetate and acetonitrile as extracting solvents were chec...
Turan, Nouha Bakaraki Maltepe, Esra Chormey, Dotse Selali Bakırdere, Sezgin
Published in
Environmental Monitoring and Assessment
This study presents the use of Quick Easy Cheap Efficient Rugged and Safe (QuEChERS) as an effective sample cleaning procedure and switchable solvent liquid phase microextraction (SS-LPME) as a preconcentration tool for the determination of fenazaquin by gas chromatography mass spectrometry (GC-MS) at ultratrace levels. After a thorough optimizatio...
Qie, Mengjie Zhao, Yan Yang, Shuming Wang, Wei Xu, Zhenzhen
Published in
Journal of chromatography. A
In order to address the specific question of food safety in livestock and poultry, it is imperative to monitor veterinary drugs at every moment in the process of livestock and poultry breeding. Thus, multi-residue analysis of a wide variety of drugs using ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) has become...
de Vilhena Araújo, Éder Vendramini, Pedro Henrique Costa, Jonas Henrique Eberlin, Marcos Nogueira Montagner, Cassiana Carolina Fill, Taicia Pacheco
Published in
Food chemistry
A method was developed and validated for determination of tryptoquialanines A and C in orange samples on epicarp (exterior peel), mesocarp (white peel), and endocarp (fruit juice) based on QuEChERS extraction and LC-MS/MS analysis. The method showed an excellent linearity over a range of 5-400 μg kg-1, with r2 ≥ 0.998. The limits of detection (LOD)...
Tomšič, Rok
Namen magistrskega dela je bil razviti metodo za določevanje petih neonikotinoidnih pesticidov (acetamiprid, klotianidin, imidakloprid, tiakloprid, tiametoksam) v vzorcih propolisa. Preizkusil sem dva načina priprave vzorca: ekstrakcijo na trdno fazo (angl. SPE – Solid Phase Extraction) in QuEChERS ekstrakcijo (angl. Quick, Easy, Cheap, Effective, ...
Li, Genrong Yu, Wenqin Xiao, Zhaojing Long, Mei Tong, Lanyan Qiu, Yue
Published in
SN Applied Sciences
A rapid, sensitive, and practical QuEChERS method coupled with gas chromatography–mass spectrometry was developed for the simultaneous determination of 16 chemical adjuvant residues in samples of fruits (apple, nectarine, grape) and vegetables (tomato, cucumber, spinach). All target compounds were separated in less than 16 min. Samples were extract...
Zhou, Heng Cao, Yi-Min Miao, Shui Lan, Lan Chen, Ming Li, Wen-Ting Mao, Xiu-Hong Ji, Shen
Published in
Journal of chromatography. A
A method for both qualitative screening and quantitative determination of 569 pesticides in honeysuckle was developed based on ultrahigh-performance liquid chromatography (UHPLC) coupled to quadrupole-Orbitrap high resolution mass spectrometry and an in-house executable compound database involving the theoretical masses of precursor and fragment io...
Mahdavi, Vahideh Garshasbi, Zohreh Farimani, Mahdi Moridi Farhadpour, Mohsen Aboul-Enein, Hassan Y
Published in
Biomedical chromatography : BMC
There is increasing need to address the potential risks of combined exposures to multiple residues from pesticides in the diet. The pesticide residues pollution is one of the problems that arise due to the increased uses of pesticides to meet the higher demands of food production for human consumption. In this study, pesticide residue data were ach...
Shinde, Raviraj Shiragave, Pandit Lakade, Ankita Thorat, Pooja Banerjee, Kaushik
Published in
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment
In this study, we propose an improved analytical method for the multiresidue analysis of captan (plus its metabolite, tetrahydrophthalimide), folpet (plus its metabolite, phthalimide), captafol, and iprodione in cereals using liquid chromatography tandem mass spectrometry (LC-MS/MS). As captan, captafol, and folpet are easily degraded during homoge...
