Editing Cenovis (section)

== Protein versus vitamin ==
Since the beginning of the 20th century many attempts to turn brewer's yeast into food have been made. The main reason being its availability and nutritional physiology. The English Marmite (1902) and the Australian Vegemite (1922) became successful as products.<ref>{{Cite web |date=2022-07-27 |title=100 Jahre Vegemite - Australiens kultigster Brotaufstrich |url=https://www.foodaktuell.ch/2022/07/27/100-jahre-vegemite-australiens-kultigster-brotaufstrich/ |access-date=2023-08-01 |website=foodaktuell |language=de-DE}}</ref> 1912 [[Casimir Funk]] discovered an active ingredient against deficiency diseases which he called vitamin.<ref>{{Cite magazine |date=1967-12-01 |title=Medicine: Death of the Vitamin Pioneer |language=en-US |magazine=Time |url=https://content.time.com/time/subscriber/article/0,33009,712020,00.html |access-date=2023-08-01 |issn=0040-781X}}</ref> The high [[thiamine]] content (vitamin B<sub>1</sub>) then became the quality of nutritional yeast that was more effective in advertising than its protein content, which had been known for a long time.<ref>{{Cite web |title=Bierhefe – Die alte Volksarznei |url=http://blog.pahema.com/infothek/kramkiste/bierhefe-die-alte-volksarznei/ |access-date=2023-08-01 |website=blog.pahema.com}}</ref>