Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Notre Dame research shows food-trade network vulnerable to fast spread of contaminants

08.06.2012
University of Notre Dame network physicists Mária Ercsey-Ravasz and Zoltán Toroczkai of the Interdisciplinary Center for Network Science and Applications, in collaboration with food science experts, have recently published a rigorous analysis of the international food-trade network that shows the network's vulnerability to the fast spread of contaminants as well as the correlation between known food poisoning outbreaks and the centrality of countries on the network.

Together with food science experts József Baranyi, from the Institute of Food Research in the U.K., and Zoltán Lakner, of Corvinus University in Budapest, Ercsey-Ravasz and Toroczkai recently published their results in the journal PLoS ONE.

As the world's population climbs past 7 billion, the sustainable production and distribution of food is balanced against the need to ensure its chemical and microbiological safety. The new paper maps the international agro-food trade network (IFTN) — a highly complex and heterogeneous system formed around a core group of seven countries, each trading with more than 77 percent of the world's nations. Since any two countries in the IFTN have only two degrees of separation on the network, the IFTN is capable of spreading a foodborne contaminant very efficiently. It also tends to mask the contaminant's origins once the system is compromised, since so many network paths run through the central nodes.

By 2030, food demand is expected to increase by 50 percent. Global food transport has been increasing at an exponential rate since the 1960s — faster than food production itself. As the system grows, so does pressure on regulation and surveillance organizations to track contaminants and prevent deadly outbreaks, such as the 2011 events in the U.S. (Listeria monocytogenes_) and Germany (_Escherichia coli).

While the paper does not predict an increase in food poisoning cases, it does predict significant delays with serious potential consequences in the identification of the outbreaks' sources — calling for an interdisciplinary and incentivized approach to the understanding of the IFTN that will build on its identification of the network's critical spots.

The paper, "Complexity of the International Agro-Food Trade Network and Its Impact on Food Safety," was published in PLoS ONE as part of an international research collaboration between the aforementioned institutions. Ercsey-Ravasz is currently at Babes-Bolyai University in Cluj. Romania.

Zoltan Toroczkai | EurekAlert!
Further information:
http://www.nd.edu

More articles from Interdisciplinary Research:

nachricht New dental implant with built-in reservoir reduces risk of infections
18.01.2017 | KU Leuven

nachricht Many muons: Imaging the underground with help from the cosmos
19.12.2016 | DOE/Pacific Northwest National Laboratory

All articles from Interdisciplinary Research >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Scientists spin artificial silk from whey protein

X-ray study throws light on key process for production

A Swedish-German team of researchers has cleared up a key process for the artificial production of silk. With the help of the intense X-rays from DESY's...

Im Focus: Quantum optical sensor for the first time tested in space – with a laser system from Berlin

For the first time ever, a cloud of ultra-cold atoms has been successfully created in space on board of a sounding rocket. The MAIUS mission demonstrates that quantum optical sensors can be operated even in harsh environments like space – a prerequi-site for finding answers to the most challenging questions of fundamental physics and an important innovation driver for everyday applications.

According to Albert Einstein's Equivalence Principle, all bodies are accelerated at the same rate by the Earth's gravity, regardless of their properties. This...

Im Focus: Traffic jam in empty space

New success for Konstanz physicists in studying the quantum vacuum

An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by...

Im Focus: How gut bacteria can make us ill

HZI researchers decipher infection mechanisms of Yersinia and immune responses of the host

Yersiniae cause severe intestinal infections. Studies using Yersinia pseudotuberculosis as a model organism aim to elucidate the infection mechanisms of these...

Im Focus: Interfacial Superconductivity: Magnetic and superconducting order revealed simultaneously

Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.

While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Sustainable Water use in Agriculture in Eastern Europe and Central Asia

19.01.2017 | Event News

12V, 48V, high-voltage – trends in E/E automotive architecture

10.01.2017 | Event News

2nd Conference on Non-Textual Information on 10 and 11 May 2017 in Hannover

09.01.2017 | Event News

 
Latest News

Breaking the optical bandwidth record of stable pulsed lasers

24.01.2017 | Physics and Astronomy

Choreographing the microRNA-target dance

24.01.2017 | Life Sciences

Spanish scientists create a 3-D bioprinter to print human skin

24.01.2017 | Health and Medicine

VideoLinks
B2B-VideoLinks
More VideoLinks >>>