METHOD FOR PRODUCING ZINC-RICH YEAST EXTRACT, ZINC-RICH YEAST EXTRACT, AND GREEN-RETAINING/-RESTORING AGENT FOR FOOD AND VEGETABLES

摘要

A method for producing a high-zinc-content yeast extract, including extracting the high-zinc-content yeast extract by suspending zinc-containing yeast into a solution containing a carboxylic acid, a carboxylic acid salt, or both thereof to thereby obtain a suspension liquid, and separating a solid component and a liquid component of the suspension liquid; the high-zinc-content yeast extract; food; and an agent for maintaining and restoring a green color of vegetables.