Action: Bark and essential oil of root—used in stomach disorders. Leaf—diuretic, vulnerary; prescribed as a tonic after child birth; used in dropsical affections. Pounded leaves—vulnerary.
The heartwood gave apigenin derivatives. The leaves gave essential oil containing d-and dl-limonene, beta- caryophyllene a sesquiterpene hydrocarbon, a diterpene hydrocarbon and a sesquiterpene tertiary alcohol.The roots and rhizomes of P. veris and P. elatior contain a saponin, yielding a sapogenin, primulagenin A. A fla- vonol glycoside named primulaflavo- noloside has been reported in the flowers of P. veris. The root of P. veris are considered as a substitute for Senega (Polygala senega) roots.Anthocyanidins have been detected in most of the Primula species, also a highly toxic allergenic substance, primin, in the leaves and glandular hairs. The floral and foliar parts of the different genotypes showed presence of kaempferol, quercetin and myricetin.... premna tomentosa
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