Process for liquefying starch

Details Process for liquefying starch Process for liquefying starch

1985-11-07

1988-03-29

Shapiro, Lionel M.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

435202, 435842, C12P 1914, C12N 928, C12R 1145

Patent

active

047343656

ABSTRACT:
This invention relates to a process for liquefying starch. More particularly it relates to an appropriate process for liquefying starch by using a thermostable .alpha.-amylase which has an optimum working pH range in an acidic region and a low calcium requirement.
This invention provides a process for liquefying starch by using a calcium-requiring, thermostable .alpha.-amylase which requires a calcium concentration of 10 .mu.m or below under a thermostable condition.
In the process of the present invention, it is unnecessary to add a calcium salt in liquefying starch and the starch slurry can be reacted while remaining acidic without neutralization, so that the load at the desalting step of the product can be significantly relieved.

REFERENCES:
patent: 4284722 (1981-08-01), Tamuri et al.
patent: 4578352 (1986-03-01), Katkocin et al.
patent: 4600693 (1986-07-01), Kindle et al.
patent: 4613570 (1986-09-01), Zeman

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