Low beverage soluble iron content filter aid and method for...

Details Low beverage soluble iron content filter aid and method for... Low beverage soluble iron content filter aid and method for...

A - Human Necessities

23

L

195/3, 99/83

A23L 2/02 (2006.01)

Patent

CA 1110105

Abstract A low beverage soluble iron content filter aid, especially diatomite, is disclosed, as is the method for its production, which comprises contacting the granular filter aid with tannic acid, gallic acid, or mixtures thereof, preferable in aqueous solution. Color control agents such as citric acid may also be present in the solution. The treated filter diatomite is useful in the filtration of vegetable based beverages, especially beer, wine, ale and fruit juices. The invention is also applicable to other filter aids which contain beverage soluble iron, such as perlite.

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