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PYRROLOQUINOLINE QUINONE TETRAALKALI SALT AND CRYSTAL THEREOF, METHODS FOR PRODUCING THESE, AND COMPOSITION
专利权人:
Inc.;Mitsubishi Gas Chemical Company
发明人:
Kazuto Ikemoto
申请号:
US14420754
公开号:
US20150203488A1
申请日:
2013.08.14
申请国别(地区):
US
年份:
2015
代理人:
摘要:
An object of the present invention is to provide a pyrroloquinoline quinone tetraalkali salt needing no special reagent, having a high solubility in a solvent, being capable of providing a high-concentration pyrroloquinoline quinone aqueous solution, being hardly changed in color even if being concurrently used with ascorbic acid, and being of a high quality and a high purity; a crystal of a pyrroloquinoline quinone tetrasodium salt; a composition; and a simple method for producing the pyrroloquinoline quinone tetraalkali salt.The pyrroloquinoline quinone tetraalkali salt is represented by the formula (1):wherein M is each independently one selected from the group consisting of Li, K, Na, Rb and Cs.
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