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Saccharomyces cerevisiae (/ ˌ s ɛr ə ˈ v ɪ s i. iː /) (brewer's yeast or baker's yeast) is a species of yeast (single-celled fungal microorganisms). The species has been instrumental in winemaking, baking, and brewing since ancient times. It is believed to have been originally isolated from the skin of grapes.
"In 1931, a brewer recycled the yeast used for the fermentation of beer: vegetal substances very rich in vitamin B 1. After several tests, the product was perfected and a group of Swiss brewers launched Cenovis; the product was an immediate success and the famous spread was so good that from 1955 it was included in the rations for Swiss ...
Yeast extract is a common ingredient in commercially prepared soups (canned, frozen, or deli). [1] [2] It is a flavor enhancer like monosodium glutamate (MSG).Yeast extracts consist of the cell contents of yeast without the cell walls; [3] they are used as food additives or flavorings, or as nutrients for bacterial culture media.
Nutritional yeast (also known as nooch [4]) is a deactivated (i.e. dead) yeast, often a strain of Saccharomyces cerevisiae, that is sold commercially as a food product.It is sold in the form of yellow flakes, granules, or powder, and may be found in the bulk aisle of natural food stores.
The content here says that "Brewer's Yeast" is an inactive yeast. While this is true in the context of certain nutritional supplements, it is not the case that the name refers only to the inactive yeast. In other words, Brewer's Yeast can be active or inactive. Johntex 22:23, 27 Jan 2005 (UTC)
Fleischmann's Yeast is an American brand of yeast founded by Hungarian-American businessman Charles Louis Fleischmann. It is currently owned by Associated British Foods and is sold to both consumer and industrial markets in the United States and Canada. The yeast is available in a number of different forms with various qualities and intended uses.
Brewer's spent grain (BSG) or draff is a food waste that is a byproduct of the brewing industry that makes up 85 percent [1] of brewing waste. BSG is obtained as a mostly solid residue after wort production in the brewing process.
Saccharomyces pastorianus is a yeast used industrially for the production of lager beer, and was named in honour of Louis Pasteur by the German Max Reess in 1870. [1] This yeast's complicated genome appears to be the result of hybridisation between two pure species in the Saccharomyces species complex, a factor that led to difficulty in establishing a proper taxonomy of the species.