2.1.1.338 S-adenosyl-L-methionine + caffeic acid - Humulus lupulus S-adenosyl-L-homocysteine + ? 7% of the activity with desmethylxanthohumol ? 319855 2.1.1.338 S-adenosyl-L-methionine + desmethylxanthohumol - Humulus lupulus S-adenosyl-L-homocysteine + xanthohumol - ? 439884 2.1.1.338 S-adenosyl-L-methionine + xanthogalenol 445% of the activity with desmethylxanthohumol Humulus lupulus S-adenosyl-L-homocysteine + ? - ? 439891