sentences:  Inspired by the work of Ilya Ilyich Mechnikov, who had popularized sour milk as a health food, and recalling that such health conditions were treated with yogurt in the Balkans, Ottoman Empire he imported cultures from Bulgaria or used "pure cultures that had been isolated in Paris" at Mechnikov's laboratory at the Institut Pasteur.Since yogurt was not well known then in Western Europe, he initially sold it as a medicine, through pharmacies.In 1919, he founded the company which would later become Groupe Danone in Barcelona when he opened a small yogurt business named "Danone", a variation on the Catalan nickname of his son, Daniel.