Pharmacognosy
Cloves Botanical: Eugenia caryophyllata Family: Myrtaceae Part Used--- Undeveloped flowers. Constituents--- Volatile oil, gallotannic acid; two crystalline principles - Caryophyllin, which is odourless and appears to be a phylosterol, Eugenin; gum, resin, fibre. Medicinal Action and Uses--- stimulating and carminative of all aromatics As a local irritant it stimulates peristalsis. strong germicide, a powerful antiseptic feeble local anaesthetic applied to decayed teeth stimulating expectorant in phthisis and bronchial troubles Fennel Botanical: Foeniculum vulgare Family: Umbelliferae Parts Used--- Seeds, leaves, roots. Constituents--- 4 to 5 per cent of volatile oil (sp. gr. 0.960 to 0.930), the principal constituents of which are Anethol (50 to 60 per cent) and Fenchone (18 to 22 per cent). Anethol is also the chief constituent of Anise oil. d -pinene, phellandrine, anisic acid and anisic...