The combined ether extracts were dried over anhydrous potassium carbonate, treated with active carbon and evaporated in vacuum.
2.
Oleic and linoleic acids isolated from " C . colocynthis " petroleum ether extracts show larvicidal activity against mosquitoes.
3.
Another property of colocynth is hair growth stimulation : an experiment on rats demonstrated that hair growth initiation time was significantly decreased after treatment with colocynth petroleum ether extracts.
4.
A study in rats showed that petroleum ether extracts of " E . prostrata " decreased the amount of time it took for hair to begin regrowing and to fully regrow in shaved albino rats.
5.
The plant yields 0.3 % of a dark green petroleum ether extract, which, on steam distillation in vacuo, yields 10 to 15 per cent of a fairly viscous, yellowish, volatile oil.
6.
They concluded that rats stop growing until they are fed certain " ether extracts of egg or of butter ", and that " there are certain accessory articles in certain food-stuffs which are essential for normal growth for extended periods ".
7.
Phatak et al ., ( 1991 ) has investigated the hair growth promoting activity of " Tridax procumbens " and the petroleum ether extract of " Tridax procumbens " was found to be effective in promoting hair growth in male wistar albino rats.
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