After extraction, the crude extract is often subjected to fractionation techniques, such as chromatography or solvent partitioning, to isolate demethylxanthohumol from other hop constituents.
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(+/-)-3,4,8,9-Tetrahydro-5-hydroxy-8-(4-hydroxyphenyl)-2,2-dimethyl-2H,10H-benzo<1,2-b:3,4-b'>dipyran-10-on
quercetin 3-O-α-L-arabinopyranosyl-(1'''->6'')-β-D-galactopyranoside
