| http://www.w3.org/ns/prov#value | - The free tocopherols and some unidentified acidic impurities are selectively adsorbed on said resin and the other impurities, such as sterols, hydrocarbons, glycerides, higher alcohols, pigments and many other kinds of unidentified neutral and basic substances, are not adsorbed and, thus, are separated from the adsorbed free tocopherols.
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