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Sigma-Aldrich

Yeast from Saccharomyces cerevisiae

Type I

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Synonym(s):
(Bakers yeast)
NACRES:
NA.81

biological source

Saccharomyces cerevisiae

Quality Level

type

Type I

form

powder or solid

application(s)

food and beverages
microbiology

storage temp.

2-8°C

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This Item
YBDYSC2C2436
Yeast Brewers Debittered, inactive

Sigma-Aldrich

YBD

Yeast Brewers

form

powder or solid

form

powder

form

powder or solid

form

powder

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

−20°C

type

Type I

type

-

type

Type II

type

-

application(s)

food and beverages
microbiology

application(s)

microbiology

application(s)

food and beverages
microbiology

application(s)

cell analysis

General description

Yeast from Saccharomyces cerevisiae (Baker′s yeast) is the oldest microbial starter. It is a facultative anaerobe.

Application

Yeast from Saccharomyces cerevisiae has been used:
  • as a biocatalyst for the anode of yeast microbial fuel cell
  • for the production of ethanol for fuel use
  • to prepare yeast extract

Biochem/physiol Actions

Yeast from Saccharomyces cerevisiae (Baker′s yeast) is used as a protein supplement, energy booster and immune enhancer. It serves as a dough leavening agent in bread production by converting the fermentable sugars to CO2 and ethanol. Baker′s yeast exhibits aroma, anti-molding and nutritive properties. It acts as a cell factory.

Caution

Autolyzes in aqueous buffer at 37 °C.

Preparation Note

Dried to avoid inactivation of enzymes.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Protocols

This procedure may be used for the determination of Lyticase activity using Baker’s yeast as the substrate.

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