| http://www.w3.org/ns/prov#value | - The extract is concentrated by evaporation to the aqueous phase, which in turn is extracted with a substantially water-immiscible solvent, such as a lower alkyl lower alkanoate, halogenated aliphatic hydrocarbon or a substantially water-immiscible lower alkanol as described above or an aromatic hydrocarbon, for example benzene or toluene.
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