Methods for reducing soluble metal ions in diatomaceous earth filtration aids

摘要

A method for reducing the amount of beverage soluble metal ions in a diatomaceous earth filter aid, and the method comprises: contacting the diatomaceous earth filter aid with a hop compound selected from iso-alpha-acids , dihydroiso-alpha-acids, tetrahydroiso-alpha-acids, hexahydroiso-alpha-acids, alpha-acids, and beta-acids.