Study of intermediate compound in yeast fermentation of raffinose and melibiose
1996
Markov, S.L.
It was proved that the investigated compound appeared just with the yeasts physiologically characterized by fermentation of entire molecule of raffinose as well as melibiose in the course of fermentation. This compound proved to be an intermediate compound of metabolism. Parameters significant for the process of fermentation - inoculum, media composition and the condition of incubation, exchanged from the standardized physiological test of fermentation, didn't change qualitatively the compound composition in the media during raffinose and melibiose fermentation. Therefore, it is obvious that the investigated intermediate compound was present constantly in the media. Its content is effected by the addition of galactose in the course of raffinose fermentation. The investigated intermediate compound proved to be the reduced carbohydrate with molecular mass of 504 corresponding to trisaccharides. Constituents of this compound, glucose ans galactose are probably connected by alpha-type of bonds.
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