Abstract
The iknife (intelligent knife) is the coupling between rapid evaporative ionization mass spectrometry and an electrosurgical knife. The technique is based on a fast evaporation of a sample, yielding gaseous molecular ions of the major components, thus obtaining a holistic profile, usable as univocal fingerprinting. Since its introduction by Professor Takats of Imperial College of London, it was mainly used for in vivo biological tissues analysis since, differently from desorption ionization methods, it does not require any sample preparation. The aim of the present research is to extend the applicability and the advantages of such a technique to food samples for geography evaluation and authenticity assessment. For this purpose, a database containing MS profiles of authentic samples need to be created. The application here described focus on the profiling of pistachio samples, taking into account that adulterated Sicilian Bronte pistachio can be found on the market, due to its high cost.
Highlights
The topic of food authenticity and genuineness centralizes special interest for reason related to both economical and sociopolitical factors
Pistachio nuts were widely studied in literature, mainly due to their beneficial effects on human health (Ryan et al 2006; Tomaino et al 2010; Mandalari et al 2013; Chung et al 2013; Song et al 2018)
The technique described in the present research demonstrated very high potentiality in the differentiation of pistachio nuts coming from different geographical origins
Summary
The topic of food authenticity and genuineness centralizes special interest for reason related to both economical and sociopolitical factors. From an economical point of view, it is essential to preserve the national producer, but at the same time, to create a competitive, sustainable, and innovative global market. Despite the food labeling (Regulation EU 1169/ 2011), which aim to inform consumers what kind of products they are buying and facilitate trade inside and outside Europe, the broad question of Bfood fraud^ is not regulated by a common EU legislation. Such a mechanism often lead to the occurrence of a certain number of cross-border food law violation due to the difficulty for member states’ competent authorities to communicate efficiently with their counterparts in other member states. The so-known BGeneral Food Law^ (Regulation EC 178/ 2002) set out an overarching and coherent framework for the development of food and feed legislation both at union and
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