Dataset Information

Genetic characterization of Italian tomato varieties and their traceability in tomato food products-Sardaro-2012-Food Science & Nutrition-Wiley Online Library.

ABSTRACT: Genetic diversity underlies the improvement of crops by plant breeding. Landraces of tomato (Solanum lycopersicum L.) can contain valuable alleles not common in modern germplasms. The aim was to measure genetic diversity present in 47 most common tomato varieties grown in Italy, 35 were varieties used for processing and 12 were landraces considered "salad varieties". Furthermore, we demonstrated the possibility that the variety traceability can be extended through the entire production chain. Diversity was measured using 11 microsatellite markers and 94 genotypes. Among the markers used, a total of 48 alleles were detected. A dendrogram based on total microsatellite polymorphism grouped 47 varieties into three major clusters at 0.75 similarity coefficient, differentiating the modern varieties from tomatoes landraces. The DNA markers developed confirmed the possibility to support the genotype identification all along the tomato production chain. The number of alleles and genotypes identified in the present work is the largest considering papers on food traceability.

SUBMITTER: Sardaro ML

PROVIDER: S-EPMC3951568 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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Genetic characterization of Italian tomato varieties and their traceability in tomato food products-Sardaro-2012-Food Science & Nutrition-Wiley Online Library.

Sardaro Maria Luisa Savo ML Marmiroli Marta M Maestri Elena E Marmiroli Nelson N

Food science & nutrition 20130108 1

Genetic diversity underlies the improvement of crops by plant breeding. Landraces of tomato (Solanum lycopersicum L.) can contain valuable alleles not common in modern germplasms. The aim was to measure genetic diversity present in 47 most common tomato varieties grown in Italy, 35 were varieties used for processing and 12 were landraces considered "salad varieties". Furthermore, we demonstrated the possibility that the variety traceability can be extended through the entire production chain. Di ...[more]

PMID: 24804014

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Project description:IntroductionFood waste (FW) represents a significant social and environmental problem, with 1.3 billion tons of food wasted yearly worldwide. Even if consumers are increasingly aware of the phenomenon, it remains relevant, and understanding the behaviors of specific target audience segments appears instrumental to the planning of effective interventions. To this end, we designed an observational study to investigate, throughout an online questionnaire, FW-related habits of university students in a Southern Italian region.MethodsA representative sample of 431 students from the University of Catanzaro Magna Graecia completed an online survey aimed at investigate FW related behaviors. A descriptive analysis was performed on the whole cohort, and a formal statistical analysis was carried out after excluding responders who had not correctly followed the survey instructions (n = 85). Differences were assessed by chi square (χ 2) tests. A food wasting score was generated, and differences in the score values were analyzed by Student T-test. Linear and multiple regression analyses were performed to identify factors contributing to the score.ResultsOverall, the results of our survey show a high prevalence of virtuous behaviors in the food purchasing phase; while, at home, less than 50% of respondents apply easy-to-implement waste prevention rules. The statistical analysis showed that the major determinants of FW were: no direct involvement in grocery shopping and male gender. Indeed, even if we observed several significant differences comparing subgroups based on established or putative determinants of FW behaviors, none survived matching for group size, gender and relevant food managing (shopping, storing, cooking) habits. The only exception was the more appropriate handling of "use by" products by respondents who received structured nutrition teaching, as opposed to students whose academic courses do not include this subject (adjusted p = 0.008).ConclusionOur data suggest that young adults are trying to implement strategies to reduce FW, even if there is room for improvement, particularly in the storage phase. Extending nutrition education to all university programs may be helpful in reaching this goal.

Project description:BackgroundOnline food delivery (OFD) platforms offer easy access to an abundance of energy-dense and nutrient-poor takeaway foods and may exacerbate existing unhealthy food environments. Efforts to improve population diets include a range of policy recommendations focused on improving the healthiness of food environments; however, the way in which such policies may apply to OFD platforms is not clear. This paper aimed to synthesise the existing evidence to inform nutrition-related policies applicable to OFD platforms for population health and well-being. A secondary aim was to scan existing nutrition-related policies in Australia and internationally, which have the potential to be applicable to OFD platforms.MethodsSeven electronic databases including Medline, Embase, CINAHL, Business Source Ultimate, Scopus, Web of Science, and Proquest were searched from January 2010 to October 2023. Evidence from studies was mapped to five existing policy domains outlined by the Healthy Food Environment Policy Index (Food-EPI) including (i) food labelling; (ii) food promotion; (iii) food composition and nutritional quality; (iv) food retail; and (v) food pricing. Relevant data sources were searched for currently implemented nutrition-related government policies that may have relevance to OFD platforms.ResultsA total of 2012 records were screened, and 43 studies were included. There were 70 relevant study outcomes across the included studies, which addressed one or more of the 5 domains. Of these, 21 were relevant to 'Food Promotion' (30%), 18 to 'Food Retail' (26%), 15 to 'Food Composition (21%), 11 to 'Food Prices' (16%), and six to 'Food Labelling' (9%). Three existing policies from international jurisdictions (England, Singapore, EU) included OFD platforms, of which one was a voluntary measure. Several existing policies under food labelling have the potential to be amended to include OFD platforms under regulatory definitions.ConclusionOFD platforms have emerged as a disruptor to how people acquire their food and have yet to be widely included in existing nutrition-related policies. Advancing the evidence base to support the design of effective policy actions and mitigate the potential negative health impacts of OFD platforms will support efforts to improve population diets.

Dataset Information

Genetic characterization of Italian tomato varieties and their traceability in tomato food products-Sardaro-2012-Food Science & Nutrition-Wiley Online Library.

Publications

Genetic characterization of Italian tomato varieties and their traceability in tomato food products-Sardaro-2012-Food Science & Nutrition-Wiley Online Library.

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