Thomas Vilgis, a meals physicist on the Max Planck Institute for Polymer Analysis in Germany, has been in love with foie gras for 1 / 4 century. The luxurious delicacy is a pâté or mousse constructed from the wealthy, fattened livers of geese or geese.
“It’s one thing actually extraordinary,” Dr. Vilgis mentioned, recalling his early encounters with high-quality foie gras when he lived and labored in Strasbourg, France. It was delicate and buttery and, as soon as the fat started to soften in his mouth, the flavors advanced and exploded. “It’s like fireworks. You will have abruptly a sensation of the entire liver,” he mentioned.
However such transcendence comes at a worth.
To fatten up the liver that’s used to create foie gras, farmers force-feed the fowl extra grain than their our bodies want. The surplus meals is saved as fats within the animal’s liver, which balloons in dimension.
Whereas he’ll eat foie gras produced by native farmers from time to time, Dr. Vilgis finds the force-feeding insupportable at an industrial scale. “It’s horrible to see,” he says.
Dr. Vilgis questioned whether or not he might by some means “make an analogous product however with out this torture.”
In a paper revealed Tuesday within the journal Physics of Fluids, he and his colleagues say they imagine they’ve devised a method that permits geese and geese to eat and develop usually. To be clear, although, this isn’t a foie gras substitute that spares the lives of the birds.
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