Page 333 - Pharmacognosy 2 PG303
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Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D
Uses
Copaiba was used as a genitourinary disinfectant. It has diuretic, stimulant,
expectorant and laxative properties.
Male Fern Oleo-resin
Syn.: Oleo-resina Filicis; Oleoresina Aspidii; Extractum Filicis Liquidum;
Extractum Filicis Ethereum; Extract of Male Fern; Aspidium Oleo-resin.
Preparation
Male Fern oleo-resin may be prepared by exhausting male fern in moderately
coarse powder, by percolation with ether. Remove the ether, and evaporate the
remainder of the percolate on a water-bath until an oleo-resinous extract remains.
Determine the proportion of filicin in the extract by the method of assay. We add,
if necessary a sufficient quantity of a suitable official fixed oil to produce Oleo-
resina Filicis” of the required strength. Male Fern Oleo-resin contains not less than
24 % and not more than. 26 % w/w of crude filicin.
Description
Male Fern Oleo-resin is a thick, dark green liquid, frequently depositing a
granular, crystalline substance; odor, agreeable; taste bitter and astringent.
Solubility
Male Fern Oleo-resin is insoluble in water. It is soluble in ether, and not less
than 85 % of it is soluble in petroleum ether.
Constituents
Flicin, filmarone, filicic acid, fixed oil, tannic acid and resins,
Test for Identity
Mix about 0.1 g of Male Fern Oleo-resin and 0.2 g of talc, shake vigorously
with 10 ml of hot alcohol, and then filter. Add to 1 ml of the filtrate 9 ml of alcohol;
a light green solution, which turns brownish, on the addition of 1 drop of ferric
chloride T.S. is obtained.
Uses
Aspidium oleo-resin is an anthelmintic, specifically a taeniafuge.
OLEO-GUM-RESINS
Resins may also occur in association with gums and volatile oil, e.g. Myrrh,
Asafoetida, Galbanum, Ammoniacum, Olibanum and Mastic.
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