scholarly journals Biosynthesis of Silver Nanoparticles from Protium serratum and Investigation of their Potential Impacts on Food Safety and Control

2017 ◽  
Vol 8 ◽  
Author(s):  
Yugal K. Mohanta ◽  
Sujogya K. Panda ◽  
Akshaya K. Bastia ◽  
Tapan K. Mohanta
Keyword(s):  
Silver Nanoparticles ◽  
Food Safety ◽  
And Control

Optical Biosensors in Food Safety and Control

2013 ◽  
pp. 473-486
Author(s):  
Theodoros Varzakas ◽  
Georgia-Paraskevi Nikoleli ◽  
Nikolaos Tzamtzis ◽  
Dimitrios Nikolelis
Keyword(s):  
Food Safety ◽  
Optical Biosensors ◽  
And Control

scholarly journals Plesiomonas: A Review on Food Safety, Fish-Borne Diseases, and Tilapia

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Alejandro De Jesús Cortés-Sánchez ◽  
Luis Daniel Espinosa-Chaurand ◽  
Mayra Díaz-Ramirez ◽  
Erika Torres-Ochoa
Keyword(s):  
Public Health ◽  
Food Safety ◽  
Fundamental Property ◽  
Gastrointestinal Diseases ◽  
Human Consumption ◽  
Plesiomonas Shigelloides ◽  
Food Borne ◽  
Control And Prevention ◽  
Public Health Challenge ◽  
And Control

Fish and fish products are considered a fundamental part of the human diet due to their high nutritional value. Food-borne diseases are considered a major public health challenge worldwide due to their incidence, associated mortality, and negative economic repercussions. Food safety is the guarantee that foods will not cause harm to the health of those who consume them, and it is a fundamental property of food quality. Food safety can be at risk of being lost at any stage of the food chain if the food is contaminated by pathogenic microorganisms. Many diverse bacteria are present in the environment and as part of the microbiota of food that can be transmitted to humans during the handling and consumption of food. Plesiomonas shigelloides has been mainly associated with outbreaks of gastrointestinal diseases due to the consumption of fish. This bacterium inhabits the environment and aquatic animals and is associated with the microbiota of fish such as tilapia, a fish of importance in fishing, aquaculture, commercialization, and consumption worldwide. The purpose of this document is to provide, through a bibliographic review of databases (Scopus, Web of Science, and Google Scholar, among others), a general informative perspective on food-borne diseases and, in particular, the consumption of fish and tilapia. Diseases derived from contamination by Plesiomonas shigelloides are included, and control and prevention actions and sanitary regulations for fishery products established in several countries around the world are discussed to promote the safety of foods of aquatic origin intended for human consumption and to protect public health.

scholarly journals Chronic Effects of Silver Nanoparticles on Micro-Crustacean Daphnia lumholtzi

2020 ◽  
Vol 36 (2) ◽  
Author(s):  
Tran Thanh Thai ◽  
Pham Thanh Luu ◽  
Ngo Xuan Quang ◽  
Dao Thanh Son
Keyword(s):  
Silver Nanoparticles ◽  
Chronic Toxicity ◽  
Exposure Period ◽  
Control Treatment ◽  
Reproduction Rate ◽  
Daphnia Lumholtzi ◽  
Multiple Generations ◽  
Toxicological Effects ◽  
Chronic Effects ◽  
And Control

This study aimed to enhance our insight on the potential toxicological effects of silver nanoparticles (AgNPs)  into the aquatic environment. To investigate the chronic toxicity of nanoparticles, freshwater micro-crustacean Daphnia lumholtzi was exposed to different concentrations of 0.2, 0.5 µg/l AgNPs, and control, for 21 days. Toxicological endpoints at different growing stages such as the maturation and reproduction were recorded. The reproduction rate of D. lumholtzi exposed to both AgNPs concentrations (0.2 and 0.5 µg/l ) was significantly lower than that of control. In turn, the maturation exposed to both AgNPs concentrations was not significantly different from the control treatment. This result indicates that AgNPs (with a concentration lower than 0.5 µg/l) did not have an adverse effect on the maturation of D. lumholtzi, but AgNPs with a concentration higher than 0.2 caused a toxic effect on the reproduction rate of D. lumholtzi during 21 days of the exposure period. In conclusion, the present results showed that AgNPs have toxic effects on D. lumholtzi and it has the potential to use as good freshwater aquatic zooplankton for assessment on the toxicity of nanomaterials in tropics. The future study should pay more attention to the effect of AgNPs on survival, growth rate, and multiple generations of daphnids to better understand the effects of nanoparticles in general and AgNPs in particular.

scholarly journals Injection of ligand-free gold and silver nanoparticles into murine embryos does not impact pre-implantation development

2014 ◽  
Vol 5 ◽  
pp. 677-688 ◽  
Author(s):  
Ulrike Taylor ◽  
Wiebke Garrels ◽  
Annette Barchanski ◽  
Svea Peterson ◽  
Laszlo Sajti ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Embryo Development ◽  
Internal Control ◽  
Blastocyst Stage ◽  
Pcr Analysis ◽  
Gold And Silver Nanoparticles ◽  
Free Gold ◽  
Ligand Free ◽  
Murine Embryos ◽  
And Control

Intended exposure to gold and silver nanoparticles has increased exponentially over the last decade and will continue to rise due to their use in biomedical applications. In particular, reprotoxicological aspects of these particles still need to be addressed so that the potential impacts of this development on human health can be reliably estimated. Therefore, in this study the toxicity of gold and silver nanoparticles on mammalian preimplantation development was assessed by injecting nanoparticles into one blastomere of murine 2 cell-embryos, while the sister blastomere served as an internal control. After treatment, embryos were cultured and embryo development up to the blastocyst stage was assessed. Development rates did not differ between microinjected and control groups (gold nanoparticles: 67.3%, silver nanoparticles: 61.5%, sham: 66.2%, handling control: 79.4%). Real-time PCR analysis of six developmentally important genes (BAX, BCL2L2, TP53, OCT4, NANOG, DNMT3A) did not reveal an influence on gene expression in blastocysts. Contrary to silver nanoparticles, exposure to comparable Ag+-ion concentrations resulted in an immediate arrest of embryo development. In conclusion, the results do not indicate any detrimental effect of colloidal gold or silver nanoparticles on the development of murine embryos.

Balancing Competence and Control

2020 ◽  
pp. 180-202 ◽  
Author(s):  
Felix Biermann ◽  
Berthold Rittberger
Keyword(s):  
Food Safety ◽  
Case Studies ◽  
Regulatory Networks ◽  
Focal Point ◽  
Aviation Safety ◽  
Regulatory Agencies ◽  
Member States ◽  
European Regulatory ◽  
And Control ◽  
The Eu

In recent decades the EU has witnessed a remarkable rise in the number of specialized regulatory agencies and European regulatory networks (ERNs). It is often assumed that agencies and ERNs are mutually exclusive instruments of indirect governance. As this chapter argues, however, they are often used in combination to better address competence–control tradeoffs. The chapter illustrates this argument with two case studies of regulatory policymaking in the EU. First, in the case of aviation safety, the EU and its member states created a new agency, the European Aviation Safety Agency, to overcome a control deficit which had hampered its ability to rein in existing regulatory networks. Second, in the field of food safety, the EU as collective governor sought to overcome the competence deficit of its intermediary, the European Food Safety Agency, by enlisting a second intermediary: the “Focal Point Network” (an ERN).

scholarly journals Assessment of Safety Performance in Banana Alcoholic Beverage Processing Factories in Rwanda

2021 ◽  
Vol 10 (2) ◽  
pp. 1
Author(s):  
Grace Irakiza ◽  
Viateur Ugirinshuti ◽  
Olivier Kamana ◽  
Martin P. Ongol
Keyword(s):  
Food Safety ◽  
Assessment Tool ◽  
Participant Observation ◽  
Alcoholic Beverage ◽  
Safety Performance ◽  
Processing Technology ◽  
Alcoholic Beverages ◽  
Context Score ◽  
Microsoft Office ◽  
And Control

Although the Rwandan competent authorities are putting effort to improve the safety of traditional banana alcoholic beverages, safety problems still exist. This study aimed to apply customized diagnostic tool to gain an insight into the performance of food safety in traditional banana alcoholic beverage factories as an evidence based to support the selection of suitable interventions for improvement to assure sustainability and meet growing market of traditional banana alcoholic beverages. Literature search was used to identify context factors, quality assurance and control activities that can influence safety of banana alcoholic beverage products and validated by processors through interview and participant observation. The data were collected in eleven factories located in Kigali city and four provinces of Rwanda using an assessment tool. Data analysis was performed using Microsoft Office Excel. All factories have shown to operate in relatively high risk context (score 2-3), most of control activities were at basic level (score 1), whereas assurance activities were at relatively average level (score 1-2) which resulted into poor food safety performance (score 1). This shows that, the modern food safety practices can’t be applied in traditional food processing factories due to traditional methods and equipment, low level of science-based knowledge related to processing technology, food safety and hygiene. Therefore, there is a need to design modern equipment that are easy to clean and disinfect to replace traditional ones, to train technical staff on processing technology, safety and hygiene, and to change behaviors towards making decisions based on scientific knowledge.

Quality and Food Safety Assurance and Control

2013 ◽  
pp. 251-266 ◽  
Author(s):  
Mar Verhoeff ◽  
Gerrit van Duijn
Keyword(s):  
Food Safety ◽  
Safety Assurance ◽  
And Control
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