FOODSTUFF FRESHNESS KEEPING AGENTS

摘要

Foodstuff freshness keeping agent comprising a particulate composition which contains a salt of manganese (II), iron (II), cobalt (II) or nickel (II), an alkali compound and a sulfite or a deliquescent substance, and optionally ascorbic acid or its salt, thereby to absorb oxygen in the interior of package of foodstuffs and/or generate therein carbon dioxide gas.