Method for separating off coloring components from aqueous plant extracts
AssigneeBayer CropScience AG
InventorsFriedrich Meuser, Ingo Bauer
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Abstract
The invention relates to a method for separating off coloring components from aqueous plant extracts in which magnesium ions (Mg2+) are added to the plant extract, at least one alkaline component is added to the plant extract, a precipitate is formed, and the precipitate formed is separated off from the plant extract.
Claims18
A method for separating off coloring components from aqueous plant extracts comprising a) adding magnesium ions (Mg2+) to the plant extract, b) adding at least one alkaline component to the plant extract, said alkaline component comprising hydroxide ions (OH−) or, after combination with the plant extract forms hydroxide ion in the extract, c) forming a precipitate comprising magnesium hydroxide and off coloring components, and d) separating from the plant extract the precipitate formed.
Dependencies are inferred from the claim text.