Research Publications (Food Safety)

Author(s): Xiaoniu Yu, Jianguo Jiang

In this paper, porous sandwich structure Fe3O4 nanoparticles coated by polyhedral oligomeric silsesquioxanes and β‐cyclodextrin were prepared by surface polymerization using as the magnetic solid phase extraction adsorbent for the extraction and determination of carbaryl and carbofuran.

Author(s): Guanwei Gao, Hongping Chen, Jinxia Dai, Lili Jin, Yunfeng Chai, Li Zhu, Xin Liu, Chengyin Lu

Author(s): Saeed Akhtar, Muhammad Riaz, Iqra Naeem, Yun Yun Gong, Amir Ismail, Majid Hussain, Kashif Akram

Author(s): Xinlei Sun, Yaolin Yi

Author(s): M.G. Hinojosa, A.I. Prieto, D. Gutiérrez-Praena, F.J. Moreno, A.M. Cameán, A. Jos

A rapid and effective method was developed for the analysis of 39 pesticide residues in porcine meat with dual‐layer multi‐plug filtration cleanup and gas chromatography‐tandem mass spectrometry detection. The cleanup process was performed with columns packed with two layers, namely multi‐walled carbon nanotubes, C18 and anhydrous magnesium sulfate (MgSO4) as top layer, while mixture of florisil and MgSO4 as bottom layer.

While exposure to high levels of toxic metals such as cadmium and arsenic is only experienced in a handful of special habitats and ecosystems, Listeria and other Gram‐positive bacteria have evolved an impressively diverse array of genetic tools for acquiring enhanced tolerance to such metals.

Exposure to air pollution is associated with increased morbidity and mortality. Once the fine atmospheric particulate matter (FP) is inhaled, some of its compounds can pass through the lungs and reach the bloodstream where they can come into contact with immune cells. Exposure to FP particularly affects sensitive populations such as the elderly. Aging affects the immune system, making the elderly more vulnerable.

BACKGROUND Pesticides are extensively used worldwide to control plant pathogens and prevent agricultural product damage. However, they can pollute the environment and endanger human health. So far, a variety of sample preparation methods have been developed for pesticide residues analysis.

In this study, 41 tomato samples were investigated by means of stable isotope ratios (δ13C, δ18O and δ2H), elemental content, phenolic compounds and pesticides in order to classify them, according to growing conditions and geographical origin.

Author(s): Ana Isabel González de las Torres, Inmaculada Giráldez, Fátima Martínez, Pedro Palencia, Warren T. Corns, Daniel Sánchez-Rodas

Author(s): Xi Chen, Hetong Lin, Taotao Xu, Keqiang Lai, Xue Han, Mengshi Lin

Author(s): Lawrence Haddad

Abstract

How should the CGIAR's research programme be focused to make it as impactful as possible given the changes being faced by the world's population over the next 10 years? This viewpoint suggests a firm emphasis on research needed to unlock the potential of food systems to deliver improved nutrition, environmental sustainability and stronger livelihoods, with a focus on the tradeoffs and synergies therein.

Author(s): Shoufei Yang, Wei Cheng, Xiaolan Li, Fan Liang, Ren Zhou, Hui Wang, Yan Feng, Yan Wang

Author(s): Zhen Yu, Teng Zhang, Yi Zhu

Three sample preparation procedures were compared for a multi-residue analysis of pesticides in hops: (a) modified Hengel’s method based on extraction with acetonitrile in combination with clean-up on a C18 SPE column, (b) miniaturized Biendl’s method based on acetone extraction and PSA SPE sample clean-up, and (c) modified Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) method which utilizes a specific mixture of three sorbents (PSA, C18, and Z-Sep) for dispersive SPE sample clean

Acrylamide (ACR) is a water-soluble chemical that is commonly used in chemical and cosmetic manufacture. Many studies have been carried out to investigate the neurotoxicity mechanisms of ACR, resulting in oxidative stress and nerve damages. One of the commonly used traditional Chinese medicines is notoginsenoside R1 (NR1). However, its mitochondrial-mediated apoptotic effect caused in ACR-induced neurotoxicity has not been reported.

by Andrea Dolfini, Ivana Angelini, Gilberto Artioli

Author(s): Jiakang Ran, Wen Zheng, Hongbin Wang, Haijuan Wang, Qinchun Li

Surface‐enhanced Raman spectroscopy (SERS) provides a potential solution for rapid analysis of trace compounds such as residual pesticides, naturally occurred toxicants, banned or restricted drugs, and food additives in complex food matrices. In this review, the basic principles of SERS and general approaches to successfully apply SERS in food analysis are covered from an applications perspective.

Both polychlorinated biphenyls (PCBs) and cadmium (Cd) can be frequently found in marine ecosystems and have detrimental effects on marine organisms, especially on filter-feeding marine mussels. Although biological responses to single metal or PCB exposure in mussels have been well-studied, information about oxidative stress is still limited, especially in different tissues in mussels.

Hepatitis E virus (HEV) has emerged as a global health concern during the last decade. In spite of a high mortality rate in pregnant women with fulminant hepatitis, no antiviral drugs or licensed vaccine is available in India. HEV-protease is a pivotal enzyme responsible for ORF1 polyprotein processing leading to cleavage of the non-structural enzymes involved in virus replication.