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"We used to plant wheat, barley, cumin and cotton. Now we cannot do anything. And as long as we cannot cultivate these lands, we will always be in poor economic condition," he adds, clearly frustrated.

Beers can be made using grains like wheat, barley and hops, all of which are threatened by climate change.

The Roman fruitcake was a mash of barley, honey, wine and dried fruit, often pomegranate seeds.

A recent haul included a ham sandwich, fresh tortilla chips, pork burritos and a sturdy little tub of mushroom barley soup.

Roasted and ground lupin, chickpea, malted barley, and chicory are amongst the major ingredients the company works with, along with an undisclosed natural flavouring.