�y��vlog

The yeast Saccharomyces cerevisiae is commonly called brewer’s yeast because it’s used to brew beer and ferment other alcoholic beverages.

"These organisms have been used for centuries to produce food, and they are incredibly efficient at converting carbon into a wide variety of complex molecules, including many that would be almost impossible to produce using a classic host like brewer's yeast or E. coli," said Jay Keasling, who is a senior scientist at Berkeley Lab and a professor at UC Berkeley.

Originally developed as a resourceful use of leftover brewer's yeast, Marmite gained popularity with 20th century families for its high concentration of B12 and folic acid.

Fred Walker, who produced canned foods, hired food technologist Cyril P. Callister to create a homegrown yeast spread using brewer's yeast from the Carlton Brewery.

Moreover, 19 kinds of molds and yeast, including Brewer’s yeast, the mold that makes penicillin, and a few human pathogens, were also cool, particularly near the center of their colonies.