نتایج جستجو برای: brewers yeast
تعداد نتایج: 89105 فیلتر نتایج به سال:
A case of pseudoporphyria associated with excessive consumption of brewers ' yeast was studied. Detailed analysis of the yeast tablets by high performance liquid chromatography showed the presence of dicarboxylic deuteroporphyrin , mesoporphyrin, and protoporphyrin; coproporphyrin I and III isomers; and uroporphyrin I and III isomers. The faecal porphyrin concentration of the patient taking yea...
Diacetyl causes an unwanted buttery off-flavor in lager beer. It is spontaneously generated from α-acetolactate, an intermediate of yeast's valine biosynthesis released during the main beer fermentation. Green lager beer has to undergo a maturation process lasting two to three weeks in order to reduce the diacetyl level below its taste-threshold. Therefore, a reduction of yeast's α-acetolactate...
In a program to elucidate the mechanism by which phosphoglucose isomerasel participates in the catalyzed isomerization between glucose 6-phosphate and fructose g-phosphate, isolation of the enzyme from several sources is pursued as the basis for quantitative studies of its protein nature. The comparative investigation of several heteroenzymes appears to be a valuable tool in identifying the str...
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