Research Publications (Food Safety)

by Mehreen Gul, Muhammad Fakhar, Najumuddin, Sajid Rashid

Author(s): Bian-hua Zhou, Liu-shu Jia, Hong-wei Guo, Hai-yan Ding, Jing-yun Yang, Hong-wei Wang

Author(s): Isa Marmelo, Vera Barbosa, Ana Luísa Maulvault, Maria Paula Duarte, António Marques

Experiments were conducted under lead (Pb), cadmium (Cd), and copper (Cu) exposure to observe germination and seedling growth of wheat (Triticum aestivum L), pea (Pisum sativum), and tomato (Solanum lycopersicum L.). Metals were applied in five concentrations (20, 65, 110, 175, and 220 ppm) and Hoagland solution was used to feed the seedlings.

Author(s): Wei-Yu Mu, Pu-Zhen Huang, Qiu-Yun Chen, Wei Wang

Soil contamination due to cadmium (Cd) is a ubiquitous environmental problem for which inexpensive remediation alternatives are required. Phytoaccumulation, the use of plants to extract and accumulate heavy metals from the contaminated environment, is such an alternative. In this study, we aimed at establishing effective plant-bacteria interplay between Brachiaria mutica and Cd-resistant endophytic bacteria eventually leading to improved phytoremediation. B.

by Yutaka Takaoka, Atsuko Takeuchi, Aki Sugano, Kenji Miura, Mika Ohta, Takashi Suzuki, Daisuke Kobayashi, Takuji Kimura, Juichi Sato, Nobutaro Ban, Hisahide Nishio, Toshiyuki Sakaeda

During the summer of 2015, polycyclic aromatic hydrocarbons (PAHs) in the atmosphere were collected by passive air samplers in typical urban–rural fringe of Wuhan–Ezhou region, Central China. The results showed that 16 kinds of PAHs were ubiquitous with the concentrations of ∑16PAHs from 14.69 to 136.30 ng·m−3 and the mean concentration of 43.03 ng·m−3. Phenanthrene (Phe), fluoranthene (Fla) and pyrene (Pyr) were major components, which accounted for 81% of ∑16PAHs.

In this study, a simple and reliable sample preparation method based on an efficient version of homogeneous liquid-liquid extraction combined with dispersive liquid-liquid microextraction solidification of floating organic drop has been introduced to analyze some pesticide residues in fruit and fruit juice samples with gas chromatography-flame ionization detection.

Many pesticides are used for pest control during oat production and storage, making necessary to employ multiclass methods for pesticide residue determination. In this work, an efficient QuEChERS method was established for multiresidue determination of 60 pesticides in oats by liquid chromatography with tandem mass spectrometry (LC-MS/MS).

Throughout the US Food and Drug Administration’s routine monitoring of various juice samples for elemental contaminants, a limited number of samples exhibited unexpected behavior related to the arsenic content.

A method based on micellar liquid chromatography was developed to determine oxolinic acid, ciprofloxacin, enrofloxacin, and sarafloxacin in eggs and egg products. The antimicrobial drugs were obtained in a micellar solution which was directly injected. The analytes were resolved using a C18 column and a mobile phase of 0.05 M sodium dodecyl sulfate—7.5% 1-propanol—0.5% triethylamine, buffered at pH 3 with phosphate salt, running under the isocratic mode.

We report the complete genome sequence of cadmium-resistant Cellulomonas sp. strain Y8, isolated from farmland soil. The 4.5-Mbp genome contains 4,074 genes, with an approximate GC content of 75%. This work might help in understanding how strain Y8 survives under heavy metal stress.

Author(s): Yuting Chen, Yifan Wu, Weiwei Xiao, Hansi Jia, Hansruedi Glatt, Ming Shi, Yungang Liu

Author(s): Xia Zhao, Ling Chen, Hongrui Ma, Jianzhong Ma, Dangge Gao

Metacercariae of Clinostomum Leidy, 1856 are frequently encountered in freshwater fish. In 2015, a provisional species of Clinostomum in People’s Republic of China (PRC) was distinguished from C. complanatum (Rudolphi, 1819) in Europe based on divergent cytochrome c oxidase I (CO1). However, in subsequent studies in East Asia, the same divergent CO1 genotype was identified as C. complanatum.

We conducted exposure assessment using toenails from 20 fishermen living in Bodo City, a community of the Niger delta region in Nigeria. This community has been affected by over 4000 oil spills and environmental disasters. Fishing is the primary source of food and income for individuals in this community. Previous research in Bodo City found elevated metal levels in fish.

Venoms are one of the most convergent of animal traits known, and encompass a much greater taxonomic and functional diversity than is commonly appreciated. This knowledge gap limits the potential of venom as a model trait in evolutionary biology.

Three types of molecularly imprinted solid phase microextraction fibers were fabricated through sol‐gel method using diazinon, parathion‐methyl and isocarbophos as templates, respectively, and assembled together to construct a multifiber for analysis of organophosphorus pesticides in complex matrices. The multifiber provided large extraction capacity and high imprinting factor up to 3.89.

Ethylenediaminetetraacetic acid disodium salt (EDTA) was selected among various eluents due to its highest removal efficiency for lead (Pb) (43.7%) and zinc (Zn) (57.1%) leaching from Pb–Zn contaminated soil by soil column experiment. Compared with newly prepared EDTA eluent, using recycled EDTA eluent can still leaching down 71.1% of Pb and 63.2% of Zn respectively, which showed the reusable benefits of recycled EDTA eluent.

by Marlene Belmar, Sharif Aly, Betsy M. Karle, Richard V. Pereira

Author(s): P. Quintanilla, M. Cornacchini, M.I. Hernando, M.P. Molina, I. Escriche

Author(s): Bille Laura, Crovato Stefania, Manfrin Amedeo, Dalla Pozza Manuela, Toson Marica, Franzago Eleonora, Pinto Anna, Mascarello Giulia, Muzzolon Orietta, Tosi Federica, Negroni Gianluigi, Cappi Gualberto, Obregon Pablo, Ravarotto Licia, Binato Giovanni

Author(s): Jana Tulinska, Vlasta Masanova, Aurelia Liskova, Miroslava Lehotska Mikusova, Eva Rollerova, Zora Krivosikova, Kornelia Stefikova, Iveta Uhnakova, Monika Ursinyova, Janka Babickova, Andrea Babelova, Milena Busova, Lubomira Tothova, Ladislava Wsolova, Maria Dusinska, Martin Sojka, Mira Horvathova, Radka Alacova, Zbynek Vecera, Pavel Mikuska