Cenovis was created in 1931.

The major ingredient for the foodstuff Marmite is yeast extract. The extract is a by-product of beer production. Similar products include Vegemite, Cenovis, and Vitam-R.

Even though some articles state that only aged or ripened cheese contain yeast, most sources indicate that all cheese does.

Here's a good source of foods to avoid in Related Links.

Also watch out for these ingredients on labels: Vegemite, Promite, Bovril, Marmite, Cenovis, Oxo. They are derived from yeast. If you're planning to go on a totally yeast-free diet, it's best if you check with the manufacturer.