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Principaux documents

YSC1

Sigma-Aldrich

Yeast from Saccharomyces cerevisiae

Type I

Synonyme(s) :

(Bakers yeast)

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About This Item

Code UNSPSC :
12352202
Nomenclature NACRES :
NA.81
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Source biologique

Saccharomyces cerevisiae

Niveau de qualité

Type

Type I

Forme

powder or solid

Application(s)

food and beverages
microbiology

Température de stockage

2-8°C

Description générale

Yeast from Saccharomyces cerevisiae (Baker′s yeast) is the oldest microbial starter.[1] It is a facultative anaerobe.[2]

Application

Yeast from Saccharomyces cerevisiae has been used:
  • as a biocatalyst for the anode of yeast microbial fuel cell[3][4]
  • for the production of ethanol for fuel use[5]
  • to prepare yeast extract[6]

Actions biochimiques/physiologiques

Yeast from Saccharomyces cerevisiae (Baker′s yeast) is used as a protein supplement, energy booster and immune enhancer.[7] It serves as a dough leavening agent in bread production by converting the fermentable sugars to CO2 and ethanol.[8] Baker′s yeast exhibits aroma, anti-molding and nutritive properties.[1] It acts as a cell factory.[9]

Attention

Autolyzes in aqueous buffer at 37 °C.

Notes préparatoires

Dried to avoid inactivation of enzymes.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


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Certificats d'analyse (COA)

Lot/Batch Number

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Electrostatically enhanced performance of a yeast-based microbial fuel cell
Song Y, et al.
Royal Society of Chemistry Advances, 5(25), 19203-19205 (2015)
Brewer's/baker's yeast (Saccharomyces cerevisiae) and preventive medicine: Part II
Moyad MA
Urologic Nursing, 28(1), 73-75 (2008)
Miniature flowing atmospheric-pressure afterglow ion source for facile interfacing of CE with MS
Jecklin MC, et al.
Electrophoresis, 31(21), 3597-3605 (2010)
Inventions on baker's yeast strains and specialty ingredients
Gelinas P
Recent Patents on Food, Nutrition & Agriculture, 1(2), 104-132 (2009)
Engineering baker?s yeast: room for improvement
Randez-Gil F, et al.
Trends in biotechnology, 17(6), 237-244 (1999)

Protocoles

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

Questions

1–2 of 2 Questions  
  1. Hi We would like to expand this yeast in our lab for an experiment. Would you please recommend best growth media for expanding this Yeast.

    1 answer
    1. This product is specifically prepared to undergo autolysis in aqueous buffer solution at 37°C, optimized for retaining enzyme activity post-drying, though not for cell viability or growth. It serves as an excellent starting point for enzyme extraction processes. For proliferation, Product YSC2 is a viable baker’s yeast, ready to grow once rehydrated, with only about 10% subject to autolysis at the same temperature. It is the preferred option for those looking to cultivate yeast effectively.

      Helpful?

  2. What are the differences between YSC1 and YSC2?

    1 answer
    1. YSC1 is dried to prevent enzyme inactivation during enzyme extractions from yeast. On the other hand, YSC2 is fast dried and yields 90% viable cells in solid form. The primary difference lies in the method of preparation, particularly in the drying process.

      Helpful?

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