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Galactooligosaccharides Based on β-Galactosidase-Catalyzed Synthesis: Function, Biosynthesis and Optimization
Bingyi Tao1,2, Yiping Chen1,2, Ren He2
1College of Chemical Engineering, Huaqiao University, Xiamen 361021, China.
None:
Galactooligosaccharides (GOS) are one of the internationally recognized prebiotic products, which have become a hot research focus in the field of biofoods because of their strong prebiotic, sugar substitution and inflammation alleviation functions. β-galactosidase (Bgal) of different microorganisms is utilized industrially in order to achieve the biosynthesis of GOS. Although the biosynthesis of GOS has been supported by certain technologies, there is still room for further improvement of its synthetic yield. This paper mainly introduces the function and biosynthesis of GOS and its research progress in recent years to enhance the yield of biosynthesis. This paper also combines the research progress in related fields in recent years, based on the basic theories of molecular biology and bioinformatics, discusses the research progress of green, innovative approaches including enzyme engineering, enzyme immobilization, surface display, and microbial fermentation on the synthesis of GOS.
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