Article
Food Science & Technology
M. Gbylik-Sikorska, A. Gajda, E. Nowacka-Kozak, A. Posyniak
Summary: The study investigated the transfer of cloxacillin in various dairy products and its stability during processing, with whey powder and milk powder showing the highest concentration factor, while yoghurt exhibited the greatest reduction in cloxacillin residual level. In most cases, the stability of cloxacillin was affected, except for yoghurt, milk powder, and whey powder, which had a relative response of >= 90% regardless of storage conditions.
Article
Chemistry, Applied
Gursel Isci
Summary: This study analyzed the concentration of PAEs in fruit juice samples and conducted a risk assessment on their potential non-carcinogenic and carcinogenic effects. The results showed that PAEs were detectable in the samples but remained below the specific migration limits set by the EU. Health risk assessments based on consumption patterns indicated negligible non-carcinogenic health risks associated with the consumption of fruit juices across all age groups.
Article
Chemistry, Applied
Jinchuan Yang, Paul Rainville, Kai Liu, Ben Pointer
Summary: An LC-MS method was developed for routine determination of lactose in low-lactose and lactose-free dairy products, achieving high accuracy and recovery rates.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2021)
Article
Biochemistry & Molecular Biology
Kristina J. H. Kleinwort, Maria Weigand, Lydia Hoffmann, Roxane L. Degroote, Richard Dietrich, Erwin Maertlbauer, Stefanie M. Hauck, Cornelia A. Deeg
Summary: Recently, there have been stability issues with dairy products with extended shelf life, resulting in significant liquefaction. This project identified the enzymes responsible for this liquefaction through proteomic analysis. These findings are useful for adjusting production protocols and additives to extend the shelf life of these products.
Article
Biochemistry & Molecular Biology
Aikaterini Kandyliari, Panagiota Potsaki, Panoraia Bousdouni, Chrysoula Kaloteraki, Martha Christofilea, Kalliopi Almpounioti, Andreani Moutsou, Chistodoulos K. Fasoulis, Leandros V. Polychronis, Vasileios K. Gkalpinos, Andreas G. Tzakos, Antonios E. Koutelidakis
Summary: There is a growing interest in fortifying dairy products with antioxidants and phenolics derived from plant byproducts and herbs. This study analyzed the antioxidant content, phenolic profile, and organoleptic characteristics of dairy products enhanced with aqueous extracts of plant byproducts and herbs. The results showed that the fortified dairy products had significant antioxidant and phenolic content, as well as bioavailability ranging from 4% to 68%. Mass spectrometry analysis revealed the presence of 162 phytochemicals, with most belonging to the polyphenol family. The identified compounds showed enhanced antioxidant capacity. Organoleptic evaluation showed acceptable overall acceptability. These findings suggest that the studied plants and herbal extracts can be used to fortify dairy products with potential health benefits.
Article
Food Science & Technology
Hana Park, Yoeseph Cho, JiEun Lee, Kang Mi Lee, Ho Jun Kim, Jaeick Lee, Yong-Sun Bahn, Junghyun Son
Summary: A rapid and sensitive method for quantitative analysis of ptaquiloside in bracken fern, meat, and dairy products was developed using the QuEChERS method and liquid chromatography-tandem mass spectrometry. The method was validated and a single matrix-matched calibration method with bracken fern was proposed. The method was used for monitoring and exposure assessment of ptaquiloside in different routes of exposure.
Article
Biochemistry & Molecular Biology
Ana G. Abril, Marcos Quintela-Baluja, Tomas G. Villa, Pilar Calo-Mata, Jorge Barros-Velazquez, Monica Carrera
Summary: Enterococcus species, both beneficial and pathogenic, are Gram-positive bacteria found in the gastrointestinal tract and dairy/fermented food products. Enterococcus faecalis and Enterococcus faecium strains, often resistant to antibiotics and capable of biofilm formation, are the leading cause of enterococcal infections. This study utilizes LC-ESI-MS/MS to identify proteins and peptides of opportunistic pathogenic Enterococcus in various food products. The identified virulence factors and antibiotic sensitivity can contribute to effective therapy development. The data from this study can serve as a valuable resource for further research and the development of novel therapeutics.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Engineering, Environmental
Yu-Ning Hu, Jin-Tao Zhan, Pei-Rong Bai, Na An, Jun-Jie Tan, Yan-Zhen Wang, Quan- Fei Zhu, Yu-Qi Feng
Summary: In this study, a click chemistry-assisted mass spectrometry strategy was developed to profile the metabolites of DEHP in rats. By labeling and detecting the metabolites of DEHP, a total of 247 metabolites were successfully screened, including some previously unrevealed metabolites. The discovery of these new DEHP metabolites provides additional insights for understanding the metabolism of DEHP and exploring its toxicity mechanism in the future.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Biotechnology & Applied Microbiology
R. Kaur, A. Kumari, G. Sharma, D. Singh, R. Kaur
Summary: The study aimed to explore the degradation potential of BBP and DMP by Bacillus marisflavi RR014 isolated from tap water, and to optimize the degradation process using response surface methodology. The results showed that the bacterium can degrade both phthalates under varying environmental conditions, and the degradation rate increases with pH, temperature, and salt concentration.
JOURNAL OF APPLIED MICROBIOLOGY
(2021)
Article
Chemistry, Analytical
Xuan Zhang, Changling Fang, Xiaoyi Lou, Guangxin Yang, Cong Kong, Yongfu Shi, Dongmei Huang
Summary: A simple and rapid method using HPLC-MS/MS for the determination of MT in aquatic products was established in this study. The method showed good linearity, low detection and quantitation limits, and satisfactory recoveries. The validated method can be effectively applied to the determination of MT in aquatic products.
MICROCHEMICAL JOURNAL
(2022)
Article
Biochemistry & Molecular Biology
Ewa Szczuka, Karolina Porada, Maria Wesolowska, Boguslawa Leska
Summary: Food, especially milk and cheese, can carry multi-drug resistant Staphylococcus aureus strains and staphylococcal enterotoxins, posing a significant food safety concern. This study found that dairy products in Poland were contaminated with S. aureus strains carrying multiple enterotoxin genes and resistant to critically important antibiotics.
Article
Food Science & Technology
Funda Yilmaz Eker, Karlo Muratoglu, Muhsin Ozturk, Bayram Cetin, Serkan Kemal Buyukunal
Summary: In this study, cereal-based foods sold in temporary open-air markets were analyzed for the presence of various mycotoxins using LC-MS/MS. The results showed high levels of contamination, including aflatoxins, ochratoxin, zearalenone, deoxynivalenol, fumonisin, and T-2 toxins. The presence of multiple mycotoxins in grain-based foods poses a significant health risk that needs to be addressed through appropriate regulations and monitoring.
Article
Chemistry, Multidisciplinary
Vasiliki Boti, Vasiliki Kobothekra, Triantafyllos Albanis, Ioannis Konstantinou
Summary: A simple method for determining Endocrine Disrupting Chemicals (EDCs) in dairy products was developed using QuEChERS extraction and liquid chromatography-mass spectrometry analysis. The method demonstrated excellent sensitivity and accuracy, and experimental design was used to optimize the extraction efficiency. Method validation showed good linearity, precision, and recoveries.
APPLIED SCIENCES-BASEL
(2021)
Article
Chemistry, Applied
Mingyue Zhang, Yingying Li, Yingying Zhang, Chaodi Kang, Wentao Zhao, Nan Ren, Wenping Guo, Shouwei Wang
Summary: This study introduced a rapid sample preparation method, established a rapid LC-MS/MS method for meat species identification, successfully screened 35 species-specific peptides, detected the meat species of 20 processed meat products, and found potentially adulterated samples.
Article
Veterinary Sciences
Seung Shik Rha, Ye Jin Yang, Woo Hyun Kim, Yeung Bae Jin, Kwang Il Park, Hu-Jang Lee
Summary: This study measured the levels of prednisolone residues in milk of dairy cows and established the withdrawal time of prednisolone in milk. The analytical method used was sensitive and successful in detecting prednisolone in milk, and the estimated withdrawal time was shorter than the current commercial products.
VETERINARY SCIENCES
(2023)
