Indian Medicinal
Chrysanthemum cinerarifolium (Trev.) Vis.
Botanical Name
:
Chrysanthemum cinerarifolium (Trev.) Vis.
English
Name
:
Pyrethrum
Synonym(s)
:
Pyrethrum cinerariifolium Trevir., Tanacetum cinerariifolium (Trevir.)Sch.Bip.
Family
:
Asteraceae
General Info
Description
A tufted, perennial herb , up to 60 cm in height. Leaves alternate, pinnate, 10-30 cm long; capitula 3-4 cm in diam, borne singly on long slender peduncles, each capitulum bearing several yellow disc florets on a receptacle, surrounded by a ring of white or cream-coloured ray florets; achenes 4 mm long;
tapering, 5-ribbed, pale brown, one-seeded.
Herb Effects
Insecticidal; antibiotic (flowers)
Chemistry
Active Ingredients
Pyrethrins I and II, flavonoids, sesquiterpenes and carotenoids (flower).
Chemistry
of Active Ingredients
Name
CAS#
IUPAC Name
Formula
Structure
Pyrethrin I 121-21-1
(2-methyl-4-oxo-3-pe C21 H28 O3
Pyrethrin II 39668-02-5
methyl C22 H28 O5
Pharmacology
Medicinal Use
Lice infestation and intestinal parasites of animals (flower decoction)
Contraindication
Prolonged contact with the dried flowers can lead to allergic dermatitis, allergic rhinitis and asthma in humans.
Reference
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