Mitsubishi Chemical Industries Limited

Seikagaku Kogyo Co. Ltd.

Isao Miyachi

Akiyoshi Matsumoto

Akira Kamata

Tadashi Hishida

Isao Kawakami

Yoshimasa Fujita

Nobuo Imai

There is disclosed a process for the renewal of a deactivated insolubilized glucose isomerase which comprises subjecting an insolubilized glucose isomerase adsorbed onto an anion exchange resin, which has been used for isomerization of glucose into fructose to decrease its activity, to treatments by an aqueous mineral acid solution in combination with an aqueous alkaline solution, an aqueous electrolytic salt solution, an aqueous mineral acid or a mixture thereof to release adsorbed materials from the resin which is converted into a salt type and adsorbing fresh glucose isomerase to the regenerated resin to recover the activity of the insolubilized glucose isomerase.

Process for the renewal of an insolubilized glucose isomerase

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Higashiyamato, Japan

Isao Miyachi