Production of High-content Galacto-oligosaccharide by Enzyme Catalysis and Fermentation with Kluyveromyces marxianus
2006
Cheng, Chao-Chun | Yu, Mei-Ching | Cheng, Tzu-Chien | Sheu, Dey-Chyi | Duan, Kow-Jen | Tai, Wei-Lun
Of three β-galactosidases from Aspergillus oryzae, Kluyveromyces lactis and Bacillus sp., used for the production of low-content galacto- oligosaccharides (GOS) from lactose, the latter produced the highest yield of trisaccharides and tetrasaccharides. GOS production was enhanced by mixing β-galactosidase glucose oxidase. The low-content GOS syrups, produced either by β-galactosidase alone or by the mixed enzyme system, were subjected to the fermentation by Kluyveromyces marxianus, whereby glucose, galactose, lactose and other disaccharides were depleted, resulting in up to 97% and 98% on a dry weight basis of high-content GOS with the yields of 31% and 32%, respectively.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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