• Question: It says in your work history that you have worked in Greece, what did you research when you were there?

    Asked by Eamonn to Yannis on 10 Nov 2017.
    • Photo: Ioannis Zabetakis

      Ioannis Zabetakis answered on 10 Nov 2017:


      In Greece, I started studing the nutritional value of fish and olive industry’s by-products (i.e. olive pomace). When you squeeze the olives, you get the olive oil and the rest (skins, stones etc) is called olive pomace. We found a way to use this olive pomace to make new fish feeds and therefore valorise a by-product. That work lead to a couple of patents, which is great!
      Also, I studied the impact of pollution of the food chain. There is a place, called Asopos, where the underground water is polluted with heavy metals, I studied how these heavy metals can pass from the irrigation water to the food tubers that are cultivated in this area. A massive problem…But we managed to find a solution: by cultivating sunflower! Sunflower plants absord the heavy metals but the sunflower oil is free of heavy metals and hence safe to consume!
      http://www.mdpi.com/2304-8158/6/7/51

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