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You are here:Home » Culture Media » Media-Yeast » Yeast Nitrogen Base w/o AA & w/o AS, w/o Vitamins (YNB) (Powder)

Yeast Nitrogen Base w/o AA & w/o AS, w/o Vitamins (YNB) (Powder)


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Yeast Nitrogen Base (YNB) media have been prepared according the formulae of Wickerham (1943-51) and Burkholder (1943). Their research on the nutritional requirements of yeast strains resulted in the formulation of YNB. YNB is a well defined composition of salts, vitamins, amino acids and a nitrogen source for a vigorous growth of Sacharomyces cerevisiae.
Catalog #Y2035-01
Y2035-01 is based upon the formulation of YNB except that all vitamins are omitted. The medium is used to test the requirement of essential vitamins.
Application For carbon assimilation tests in the characterization and identification of yeasts.
AppearanceWhite to tan, homogeneous, free-flowing powder
SolubilityColorless to yellow, clear, complete
pHAs Reported
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesWickerham formula without amino acids & without ammonium sulfate & without Vitamins

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