Breweries have employed enzymes to improve the brewing process for obtaining higher extract yields, improving attenuation control and beer filter cycle runs, shortening fermentation cycles and maturation time [8,9]. Although it is well-known that proteases have been commercially used for bioethanol production as a way to provide additional nitrogen available for brewer’s yeast and finally to improve the ethanol concentration, studies of proteases supple- mentation as a way to enhance the FAN level in beer brewing are still very limited [10].
In order to approach the problem with nitrogen limitation in high gravity beer fermentation and make nitrogen sources already present in the wort available to brewer’s yeast, we investigated the effects of proteases (Neutrase, Flavorzyme and Protamex) supple- mentation to high gravity worts (20 ◦ P and 24 ◦ P) on the FAN levels and fermentation performance of brewer’s yeast.
Breweries have employed enzymes to improve the brewing process for obtaining higher extract yields, improving attenuation control and beer filter cycle runs, shortening fermentation cycles and maturation time [8,9]. Although it is well-known that proteases have been commercially used for bioethanol production as a way to provide additional nitrogen available for brewer’s yeast and finally to improve the ethanol concentration, studies of proteases supple- mentation as a way to enhance the FAN level in beer brewing are still very limited [10].
In order to approach the problem with nitrogen limitation in high gravity beer fermentation and make nitrogen sources already present in the wort available to brewer’s yeast, we investigated the effects of proteases (Neutrase, Flavorzyme and Protamex) supple- mentation to high gravity worts (20 ◦ P and 24 ◦ P) on the FAN levels and fermentation performance of brewer’s yeast.
การแปล กรุณารอสักครู่..