C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 1/18 (2006.01) A21D 8/04 (2006.01) C12N 9/26 (2006.01) C12N 15/01 (2006.01) C12N 15/81 (2006.01)
Patent
CA 2066882
ABSTRACT OF THE DISCLOSURE The disclosure describes new broad spectrum strains of bread-making yeast having a high multipli- cation yield, good nitrogen assimilation good glucose fermentation activity, and preferably good resistance to drying; the invention is characterized by the fact that they simultaneously have all the following enzy- matic activities: maltose permease activity after growth of the yeast on glucose medium in the absence of maltose: at least 9 units, maltase activity after growth of the yeast on glucose medium in the absence of maltose: at least 80 units and preferably at least 90 units, and invertase activity: less than 10 units and preferably more than 2 units.
Le résumé de l'invention décrit de nouvelles souches à large spectre de levures de panification, donnant un rendement de multiplication élevé, une bonne assimilation de l'azote, une bonne fermentation de glucose, et préférablement une bonne résistance au séchage. L'invention est caractérisée par le fait qu'on obtient simultanément toutes les activités enzymatiques suivantes : activité de la maltose perméase après croissance de la levure sur un milieu de glucose en l'absence de maltose, au moins 9 unités; activité de la maltase après croissance de la levure sur un milieu de glucose en l'absence de maltose, au moins 80 unités, et préférablement 90 unités; activité de l'invertase, moins de 10 unités, et préférablement moins de 2 unités.
Clement Philippe
Colavizza Didier
Loiez Annie
Goudreau Gage Dubuc
Lesaffre Et Cie
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