| abstract |
The invention relates to a method for extracting and producing high-purity xanthohumol from residues generated by extracting hops by carbon dioxide, and belongs to the field of fine chemical industry. The method comprises the following steps of: extracting, recrystallizing, distilling under reduced pressure, heating for dissolving, and the like. Equipment is simple, product purity is between 95 and 99 percent, and the method is suitable for industrial production. |