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Herbal products acting on the CNS
Passion Flower
Kava-kava
Lavender oil
Valerian
Hops
St. John’s wort
Feverfew
Ginkgo
Gingeng
Passiflora Herb “Passion flower”
Definition
It consists of the dried aerial parts of Passiflora incarnata L. (Passifloraceae).
Chemical assays
Contains not more than 0.01% harman alkaloids.
Contains not less than 1.5% of total flavonoids, expressed as vitexin.
E. P. 1984 mentions that it should contain not less than 0.01 % of total passiflora alkaloids,
calculated as harmine.
European pharmacopoeia 2002, BP requires that it contains not less than 1.5 % of total
flavonoids, calculated as vitexin.
Most available data suggests flavonoids as possible active ingredients.
Major chemical constituents
• Flavonoids (Vitexin, Isovitexin, Orientin, Iso-orientin, Apigenin, luteolin,
quercetin, kaempferol)
• Alkaloids (harman, harmol, harmine , harmalol, harmaline)
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