BACKGROUND DNA barcodes are a global standard for species identification and have countless applications in the medical, forensic and alimentary fields, but few barcoding methods work efficiently in samples in which DNA is degraded, e.g. foods and archival specimens. This limits the choice of target regions harbouring a sufficient number of diagnostic polymorphisms. The method described here us...

Some heavy metals are dangerous to health and there is rising concern about the quality of foodstuffs in some parts of the world. Fish, particularly Tuna fish, can concentrate huge quantities of several metals from water and they even play a significant role in human nourishment. OBJECTIVES: In this study, the concentrations of mercury and four trace metals in five brands of canned tuna samples...

The study investigates the perception of environmental sustainability wild-caught versus farm-raised tuna production among a sample Italian consumers. Awareness, concern, knowledge and beliefs related to impacts wild farmed tuna, attention given attributes when purchasing canned are tested for significance based on socio-demographic characteristics individuals. results show that respondents awa...

An experimental system is described for the detection and quantitative estimation of type A botulinum toxin by electroimmunodiffusion. The method is shown to be rapid, specific, and quantitative. As little as 14 mouse LD(50) per 0.1 ml of type A toxin was detected within 2 hr. When applied to experimentally contaminated foods such as canned tuna, pumpkin, spinach, green beans, and sausage, the ...

In this paper, we provide an overview of the Spanish fish processing sector in general, and, specifically looking at canned tuna. We study evolution freezer tuna fleet, shipowning companies and joint ventures third countries, fleet interaction with sector. The industry its market Spain over time are described important variables such as production, consumption, imports exports presented. policy...