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M. Champion, V. Sirot
The third French Total Diet Study

Total diet studies (TDS) are recognized as one of the best cost-effective method to assess the chronic dietary exposure of a population and the associated health risk (1). A TDS relies on the analysis of many chemicals in composite food samples representative of the whole diet and prepared as consumed by the population considered. In France, two TDSs have been conducted on the general population: the 1st TDS (2001-2005) on 29 chemicals, the 2nd TDS (2006-2011) on 445 chemicals. Another TDS ("infant TDS", 2010 -2016) focused specifically on children under 3 years of age and treated 670 chemicals. In 2018, the French Agency for Food, Environmental and Occupational Health & Safety (Anses) launched a 3rd TDS on the general population, in order to assess trends in the contamination of foods and in the exposure, but also to make a first assessment for chemicals that were not included previously. More than 300 chemicals are targeted in the 3rd TDS (trace elements, persistent organic pollutants, mycotoxins, pesticide residues, etc.). However, by taking into account new multi-elemental and multi-residue analytical methods, results for up to 600 chemicals could be expected. Food items have been selected from the third French Individual and National Food Consumption (INCA3) survey (2014-2015) (2), so as to be representative of the French diet, on the basis of consumer rates, consumption levels and expected contamination. Then a stratification has been applied, regarding 1) seasonality of consumption and contamination, and 2) production type (conventional versus organic). Each composite sample was made up of 12 subsamples, selected to be representative of the food item consumption. Several data sources were selected and used to describe precisely the products to sample and the preparation methods. 276 food items were selected from the consumption database. Finally, 724 food samples were defined after stratification, and planned to be collected in three selected French departments. Of these, 719 were successfully collected and prepared between May 2021 and August 2022, with a good general compliance with the initial sampling plan. Analyses of the prepared food samples are in progress and first results are expected in 2024.

S. Khalili Tilami, L. Jurkaninova, M. Kulma, L. Kourimska
The effect of cricket meal inclusion on the quality of bakery products

The study was focused on the quality and sensory perception of everyday bakery products (buns) enriched by the cricket meal. Rheological properties, nutritional value and amino acid profile of bakery products dough and buns before and after enrichment with two types of cricket meal (light meal; spray-dried) and (dark meal; ovendried) with the level of substitution of 0, 5, 8 and 10%) were investigated. Rheological differences between the wheat dough and the enriched dough were observed. Decreasing the time of dough stability (lower stability) in enriched dough and the worsened consistency of dough after 12 minutes of the measurement were observed. The addition of cricket meal leads to the changes in the leavening ability of the dough, whereas dough containing cricket meal showed a lower specific volume and a smaller height than the wheat dough without it. Regarding the sensory evaluation, significant differences in brown colour intensity, acceptability of odour, toughness, the intensity of taste, and overall acceptability were observed between wheat products (buns without cricket meal) and buns enriched with the crickets. The buns with 8% and 10% addition had nutty, earthy and bean-like flavours. In the case of acrylamide formation, the addition of cricket meal negatively affected the technological feature or the quality of the buns. Finally, the replacement of wheat flour by 8% of cricket meal in the buns was considered as optimal.

P. Kennouche, E. Cavenne, C. Dubuisson
Seafood safety in France: an assessment of the chemical contamination over the 2015-2020 period in the context of the MSFD

In the frame of the marine strategy framework directive, France has developed a method to characterize the status of contaminants in seafood. Taking advantage of national consumption data, contaminant exposure in the French population and contaminant concentrations in seafood over the 2015-2020 period, we conclude on the status of chemical contaminants and marine biotoxins in the four French marine subregions using risk assessment methodologies. At the national level, we find that 38.5% of the contaminants achieve good status for all types of seafood. At the regional level, lead and mercury are found at too high levels in fish of the Mediterranean sea. Similarly, lipophilic and paralytic shellfish toxins in molluscan shellfish of the Mediterranean lagoons are found at levels that could pose a risk to human health. In the Channel and Atlantic marine regions, the contaminants not reaching good status are cadmium in crustaceans and predatory fish, lead in molluscan shellfish, the sum of NDL-PCB in fish and the sum of dioxins, furans and DL-PCB in fish and molluscan shellfish but also lipophilic, paralytic and amnesic shellfish toxins in molluscan shellfish. Our conclusions are in line with the previous assessment cycle (2010-2015) reinforcing the need for action to protect marine ecosystems from chemical pollution and therefore human health.

I. E. Susman, M. Multescu, N. Lukovic, I. Gazikalovic, Z. Knezevic-Jugovic, A. Culetu
Prebiotic dietary fiber from soybean hulls for gluten-free cookies fortification

Soybean hull have been shown to contain significant amounts of dietary fibre (DF) including arabinogalactans, arabinoxylans and pectin-related acidic polysaccharides. By means of an acid chemical treatment of the soybean hull, DF with prebiotic properties were isolated, obtaining a yield of 5.7 g/100 g d.m. The physico-chemical characteristics of the obtained DF were: 83% fiber, 10.5% moisture, 3% protein, 0.13% fat, 3% ash. Gluten-free rice cookies were obtained containing the isolated DF. Rice flour was substituted with 10% DF (10CDF) and 20% DF (20CDF), respectively. The cookie sample (without added fiber) was the control cookie (100% rice flour). Other ingredients used in cookies formulations were: eggs, sugar and butter. Following a dose-effect response, cookies with DF had higher total polyphenols content (47.2 - 69.3 mg GAE/100 g d.m.) and antioxidant capacity (45.7 - 51.3 mg Trolox/100 g d.m.) compared to the control. The cookies' physico -chemical analysis showed that cookies 10CDF represented a "source of dietary fibers" (4.1% fiber content), while cookies 20CDF were "rich in dietary fiber" (7.9% fiber content), according to the nutritional claims from Regulation no. 1924/2006. The energy value of the DF fortified cookies decreased compared to the control by 3.8% (10FCS) and 6.3% (20FCS), respectively. The DF addition led to darker and smaller (in diameter) cookies.Moreover, DF addition produced softer cookies (cookies'hardness was decreased by almost 29% for 10CDF and 14% for 20 CDF). The electronic nose analysis showed that DF cookies had different volatile composition, with a discrimination index of 85 between 10CDF and 20CDF. The study showed the possibility to create novel gluten-free cookies with improved texture and nutritional quality through the fortification with isolated DF from soybean hull. This work was supported by a grant of the Ministry of Research, Innovation and Digitization, CNCS/CCCDIUEFISCDI, project number PN-III-P3-3.5-EUK-2019-0163, within PNCDI III, EUREKA project (E!13082 BIOFLOSBAKE-LAVGLU).

M. Giannetto, S. Fortunati, A. Bertucci, D. Errico, M. Stighezza, G. Magnani, V. Bianchi, S. Cagnoni, I. De Munari, M. Careri
Portable E-tongue based on modified screen-printed electrodes coupled with chemometrics for food authenticity assessment

In the context of the research activities undertaken within the "Strengthening of the Italian Research Infrastructure for Metrology and Open Access Data in support to the Agrifood" project (METROFOOD
-IT) we performed a preliminary study aimed at evaluating the potential of arrays of screen-printed electrodes modified with gold nanoparticles, copper nanoparticles, graphene, carbon nanotubes and conducting polymers for the detection of food adulteration. For this purpose, the discrimination of tomato cultivars of different economic value in both fresh and canned products was taken into consideration.
Exploiting the catalytic properties of composite materials consisting of poly(3,4-ethylenedioxythiophene) including metal nanoparticles with respect to the oxidation of antioxidants (ascorbic acid) (1) and sugars (glucose and fructose), promising results in the classification of prized tomatoes, such as "datterino" PGI (Protected Geographical Indication), compared to the less valuable and cheaper varieties were achieved.
With the aim of developing and validating classification models for food adulteration control, multivariate and artificial intelligence techniques were applied to the potentiostatic and potentiodynamic datasets. Simultaneous acquisition of the signals was enabled and speeded up by a smart and portable multi-channel potentiostats (2) specially designed within the project.

S. Massa, M. Nocenzi, O. Presenti, G. P. Leone, R. Tavazza, R. Pagliarello, A. Calderamo, E. Bennici, V. Mastrobuono
Plant cell agriculture: a highly controlled and standardized in vitro system to develoр new plant-derived foods

Plants are a source of healthy nutritional principles. Nevertheless, it will be increasingly difficult to provide plantderived food of good quality in the future, since food security prospects are affected by the impact of climate change on plant health/productivity with effects on the whole agri-food sector. In addition, the prospect of increasing the arable area is insufficient (2%) and intensive agriculture is already an environmental burden, being responsible for about 20% of global emissions and involving the use of pesticides. In this scenario, our approach is rather to search for new supply systems of plant-derived raw materials with the aim to guarantee nutrition, health and safety. Cellular agriculture, is being developed to decrease the dependence of plant agri-food production of valuable plant species on productivity variations due to climate change, for continuum, programmable and flexible productions allowing the intake of value-added molecules exactly in the state in which they are present in nature (phytocomplex) with the diet. In analogy to the radical invention of "cultured meat", but to an even greater extent, bioreactor-grown Plant Cell Cultures could be exploited as an entirely new food biomass for human consumption. Thanks to the totipotency of plant tissues, it is possible to isolate single plant cells from plant tissues (i.e., as an example, BERRIES) and to culture these cells in bioreactors in the lab, strictly controlling their growth, properties and safety aspects. This approach moves the paradigm of agricultural production from the plant itself cultured in an endangered nature to the lab. Plant cell cultures with nutritional and functional value were set-up and we are proceeding with the evaluation of technical solutions to pre-industrialize prototype food products. A sociological investigation is being performed to understand factors of choice for possible future innovative foods containing plant cells. A scenario emerges within which individuals are called upon to make consumption choices that are often forced between personal and collective needs in conditions in which information or knowledge may not be fully accessible, leaving them unaware of the risks and opportunities they face; their ability to adapt to the transformations taking place may be limited by economic, cultural, hence collective, but also personal capacities.

A. Leufroy, Y. Holowaty, C. Mazurais, D. Beauchemin, P. Jitaru
Multi-elementary analysis of insects by inductively coupled plasma-tandem mass spectrometry

According to the FAO, the world's population is expected to reach 9 billion by 2050. To accommodate this increase, current food production should be doubled. One alternative is the consumption of insect, which are nutritious alternative to animal proteins and which production is more environmentally friendly. As insects are a high nutrient source of fat, protein, vitamins and minerals, and their production is more environmentally friendly, entomophagy is as a good alternative to mainstream staples such as chicken, pork, beef and even fish. Although insects contain essential mineral (as P, Fe, Zn, Cu, and Mn), the presence of potentially toxic elements should be explore to ensure that insect consumption does not represent any risk for human nutrition. This study reports a rapid and reliable multi-elemental (35) analysis method of insects analysis using triple quadrupole inductively coupled plasma mass spectrometry (QQQ-ICP-MS) following acid microwave digestion has been developed and validated. Three insects' based certified reference materials form the National Research Council Canada (NRC) (BFLY 1/black soldier fly meal; KRIK-1/cricket flour and VORM-1/mealworm powder) were used to assess the trueness of the method. The method was applied to the analysis of a selection of insect samples (crickets, worms, ants, etc.) purchased from the French market.

I. Ljevakovic-Musladin, L. Kozacinski
Modification of real-time PCR method for detection of enterotoxin genes sea-see in Staphylococcus aureus isolates from food

Staphylococcal food poisoning is one of the most common food-borne diseases worldwide. The causative agents are enterotoxins produced by enterotoxigenic strains of Staphylococcus aureus during its growth in favorable conditions in food. Since not all S. aureus strains can produce enterotoxins, detection of the enterotoxigenic ones is important for risk assessments and epidemiological investigations. Many molecular methods have been developed for the detection of staphylococcal enterotoxin genes. This work describes a modification of the original real-time PCR method for the detection of staphylococcal enterotoxin sea-see genes described by Nakayama et al. (2006). The original real-time PCR method was based on 5' nuclease real-time simplex PCR with the use of patented fluorogenic probes. Modifications of the original PCR protocol included an adjustment to Thermo Fisher Scientific PikoReal 24 instrument, a smaller reaction volume (20 µL), different reaction components (Thermo Fisher Scientific Luminaris Master mix), and a smaller number of cycles (40). Method efficiency was determined based on the standard curves of target genes (sea-see). Real-time PCR was performed on ten-fold serial dilutions of each of the target gene DNA in triplicate. Standard curves were constructed based on threshold cycle (Ct) values versus log values of DNA concentrations. Slope value was used for the calculation of efficiency according to the equation. The intercept of the Y-axis determined the limit of detection in terms of Ct values. The reproducibility of each PCR reaction was calculated as standard deviation and inter-assay coefficient of variation. Standard curves showed a linear relationship between Ct values and log values of DNA concentrations with very good data correlation (R2 values between 0.995 and 0.999). The detection limits were at the following Ct values: 39.4 for sea, 39.5 for seb, 41.1 for sec, 37.9 for sed, and 39.3 for see gene. The efficiency of PCR reactions was in the optimal range; 97.0%,105.1%, 101.0%, 100.6%, and 99.1%, sea to see respectively. The inter-assay coefficient of variation was between 0.24% and 4.38%. The modified method proved to be very efficient, reproducible, and discriminatory between positive and negative results.

A. M. Giovannozzi
Metrological traceability of measurement data from nano- to small microplastics for a greener environment and food safety

Plastic pollution is recognised as a severe anthropogenic issue globally, where complex physico-chemical transformation processes (such as aging, degradation and fragmentation) producing Microplastics (MPs) and, subsequently, Nanoplastics (NPs). These processes occur during production, consumer use, waste processing, as well as through environmental process after vehicles/industrial emissions. Several studies have reported the occurrence, analytical methods and toxicity of larger MPs in the environment and food matrices. However, MPS (< 100 µm SMPs) and NPs (< 1 µm) in natural systems have been overlooked, primarily due to significant methodological challenges associated with their micro- and nano-specific properties. In this respect, the European Commission (EC) commissioned a study focused on the potential ecotoxicological impacts of smaller plastic particles (SMPs/NPs), encouraging research aimed at a more accurate characterisation of both materials and exposure conditions. The need for efficient and reliable measurement infrastructure is required in support of (i) ECHA's proposed restriction targeting intentionally added MPs in consumer products, which requires specific thresholds for litter types after harmonisation of the methodology, (ii) the new Drinking Water Directive (DWD) that mentions MPs explicitly, and (ii) the new Circular Economy Action Plan (CEAP) adopted in March 2020. The recent funded project "21GRD07 PlasticTrace" (Metrological traceability of measurement data from nano to small-microplastics for a greener environment and food safety) within the European Partnership on Metrology aims to address the urgent need for development and harmonisation of methods for the chemical identification, physical characterisation and quantification of released small micro/nanoplastics (SMPs/NPs) in drinking water, food and environmental matrices, as required by the EU's CEAP. An overview of the main objectives and the early outcomes of PlasticTrace will be described and presented to show the benefit to industry and monitoring agencies, and to strengthen the involvement of key actors, from SMEs to globally leading instrument producers, commercial laboratories, leading food producers and national/ international environmental agencies.

M. Mattarozzi, A. Bertucci, M. Giannetto, F. Bianchi, C. Zoani, M. Careri
Metrological traceability in process analytical technologies and point-of-need technologies for food safety and quality

Traditional techniques for food analysis are based on off-line laboratory methods that are expensive and timeconsuming and often require qualified personnel. Despite the high standards of accuracy and metrological traceability, these well-established methods do not facilitate real-time process monitoring and timely on-site decision-making as required for food safety and quality control. The future of food testing includes rapid, cost-effective, portable, and simple methods for both qualitative screening and quantification of food contaminants, as well as real-time measurement in production lines. Automatization through process analytical technologies (PAT) is an increasing trend in the food industry to achieve improved product quality, safety, and consistency, reduced production cycle times, minimal product waste or reworks, and the possibility for real-time product release. Novel methods of analysis for point-of-need (PON) screening could greatly improve food testing by allowing non-experts, such as consumers, to test in situ food products using portable instruments (1), smartphones, or even visual naked-eye inspections, or farmers and small producers to monitor products in the field. Considering the growing interest in real-time analysis and PAT systems for process control in the food industry, as well as the trend towards the development of smart devices for PON analysis of food products, we critically pointed out the importance of demonstrating metrological traceability and reliability of the measurement results in real-life conditions, a challenge not easily met with the analytical tools of PAT and the analytical methods for PON testing (2). The need for rapid and cost-effective analysis should not outweigh the demand for reliable measurements for food quality and safety control.

Page 8 of 955 Results 71 - 80 of 9546