Page 206 - Phytochemistry 2 (06-PG 605)
P. 206

VI-Miscellaneous bitters

1- Humulone, lupulone

They contribute to the bitterness of hops extract
humulone exerts bacteriostatic action ( topical).
Lupulone has sedative activity.

      Hops extract is used in Europe as OTC sedative preparation

        Humulone                   lupulone

                       O  O        CH3
                                       CH3
              prenyl

                  HO

                  HO OH

        OH O               prenyl

prenyl            CH3

                      CH3

 O          OH
prenyl  prenyl
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