| 摘要 |
<p>PURPOSE:To obtain the title composition useful as a deodorant, medium for biochemical industry, etc., having high stability, safety and reactivity, by bonding ascorbic acid, etc., to manganese (II) ion. CONSTITUTION:At least one ad of a salt thereof selected from ascorbic acid or oxypolybasic acid (e.g. tartronic acid or malic acid) is added to an aqueous solution of manganese (II) ion (e.g. aqueous solution of manganese sulfate) to give the aimed composition.</p> |
