scholarly journals The role of holistic nutritional properties of diets in the assessment of food system and dietary sustainability

Author(s):  
Lakshmi A. Dave ◽  
Suzanne M. Hodgkinson ◽  
Nicole C. Roy ◽  
Nick W. Smith ◽  
Warren C. McNabb
2018 ◽  
Vol 12 (2) ◽  
pp. 60-63
Author(s):  
Mariana Sandu ◽  
Stefan Mantea

Abstract Agri-food systems include branching ramifications, which connect in the upstream the input suppliers with farmers, and downstream farmers, processors, retailers and consumers. In the last decades, at the level of the regions, food systems have undergone rapid transformation as a result of technological progress. The paper analyzes the changes made to the structure, behavior and performance of the agri-food system and the impact on farmers and consumers. Also, the role of agricultural research as a determinant factor of transformation of agri-food system is analyzed. The research objective is to develop technologies that cover the entire food chain (from farm to fork) and meet the specific requirements of consumers (from fork to farm) through scientific solutions in line with the principles of sustainable agriculture and ensuring the safety and food safety of the population.


2012 ◽  
Vol 2012 ◽  
pp. 1-12 ◽  
Author(s):  
Chokri Zaghdoud ◽  
Carlos Alcaraz-López ◽  
César Mota-Cadenas ◽  
María del Carmen Martínez-Ballesta ◽  
Diego A. Moreno ◽  
...  

The comparative responses of two broccoli cultivars (Brassica oleraceavar. Italica, cv. Parthenon and cv. Naxos) to a 15 d exposure to different NaCl levels were investigated. Salinity led to increased concentrations of Na+and Cl−ions in both cultivars, a disruption of the endogenous minerals levels in the shoots and roots—that varied with the cultivar and salt concentration—and decreases in the osmotic potential (Ψπ), root hydraulic conductance (L0), and stomatal conductance (Gs). The reduced biomass of Naxos at moderate NaCl indicates greater sensitivity to salinity, compared with Parthenon. Parthenon accumulated more soluble sugars, for osmotic adjustment, whereas Naxos accumulated proline, which gave the two cultivars differing nutritional characteristics. The total glucosinolates (GSLs) content was not affected by salinity in Parthenon while it decreased significantly in Naxos as a consequence of the decrease in the indole GSL. However, Naxos accumulated more aliphatic GSLs under salt stress than Parthenon, which confers on this cultivar a greater nutritional value when cultivated under salinity.These results suggest that, at distinct salinity levels, each broccoli cultivar adopts a specific strategy, indicating the crucial role of the genetic background on the organoleptic and nutritional properties that each cultivar acquires.


2021 ◽  
Vol 13 (21) ◽  
pp. 12106
Author(s):  
Ingunn Y. Gudbrandsdottir ◽  
Nína M. Saviolidis ◽  
Gudrun Olafsdottir ◽  
Gudmundur V. Oddsson ◽  
Hlynur Stefansson ◽  
...  

Salmon is the most consumed farmed seafood in the EU and there is no indication that demand will abate. Yet salmon aquaculture’s environmental impacts are significant, and its future is likely to be shaped by demands of increased but at the same time more sustainable production. This study developed an integrated theoretical framework based on the multi-level perspective (MLP) and a global value chain (GVC) governance framework and applied it to the global farmed salmon value chain. The objective was to provide insights on the most likely transition pathway towards sustainability based on industry and expert perspectives. The perceptions on challenges and drivers of change, were gathered through focus groups and in-depth interviews, and fitted to the integrated framework to facilitate the transition pathway analysis. Viewing the qualitative findings in the context of the MLP framework provided information about the current workings of the system, the drivers of change in the socio-technical landscape and niche-innovations and their potential to challenge or enhance the current system and thus indicated possible system transitions. To emphasize the role of industry actors in shaping the future of the salmon value chain, the analysis was strengthened using the GVC model which added information about power relations, signaling the ability of system actors to motivate or resist change. The findings indicate that, due to resistance in the regime and the fact that niche-innovations are not yet sufficiently developed, the farmed salmon value chain will continue to be predominated by traditional sea-based aquaculture but that there will be a gradual shift towards more diversity in terms of production methods in response to landscape pressures. The discussion addresses sustainability challenges and policy implications for the farmed salmon value chain and highlights the need for a food system perspective.


Author(s):  
Marta Czekaj ◽  
Paola Hernández ◽  
Ana Fonseca ◽  
Maria Rivera ◽  
Katarzyna Żmija ◽  
...  

This study is an attempt to assess the impact of small farms (SF) on the regional food product circulation of specific key products in selected, fragmented, agrarian regions in Poland and Portugal. The empirical study is based on the analysis of food product maps which were developed based on data from a survey conducted among owners of small farms and small food businesses at focus group meetings and workshops organized in 2017 and 2018 in the Nowotarski and Nowosądecki subregions in Poland and in the Alentejo Central and Oeste subregions in Portugal. Qualitative data analysis was conducted using uniform methodology. In each of the subregions, focus groups helped to confront the assumptions resulting from surveys and corroborate the flows and fluxes described in the developed food product maps. Data collected during focus groups were enriched by data gathered during regional workshops that focused on food system governance. It was concluded that food product maps indicate interesting relationship flows of small farmers’ products along the food system, highlighting the role of fluxes connecting small farmers with other actors regarding specific key products. Several similarities and disparities between regional KP production flows in the Portuguese and Polish subregions, based on the type of key product, the various distribution channels and farming capacities present in each subregion were observed.


Author(s):  
Ashanté M. Reese

This chapter turns to the role of nostalgia in placemaking, community building, and the ways residents evaluated their local food system. In it, residents discuss self-reliance as a foundational ethos in the neighborhood’s history and also offer critiques of themselves and each other for not embodying self-reliance in the present, reflecting on the question “who is responsible?” for unequal food access. This chapter makes a claim that nostalgia plays an important role in the stories that people tell about food in the neighbourhood.


2002 ◽  
Vol 31 (1) ◽  
pp. 25-27
Author(s):  
Stephen M. Smith

I found this paper to be quite interesting and thought provoking, which is the norm when Allan Schmid is involved. For years, he has provided our discipline with considerable intellectual stimulation. There is a lot of “meat” in the paper, and I will not be able to address all of it in the limited space. What I would like to do is (a) put this issue in the context I use in a graduate class to show where I think social capital fits in the standard economic concepts, and (b) emphasize some of Schmid's points.


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