I work on the toxicity of Euphorbiae sp against Blattella germanica using terpenes and I need to know if petroleum ether can help me to extract them.
Dear Dr. Billal Nia
I am attaching a review on methods of extraction and choice of solvents with the hope that it will be useful to you.
Best wishes.
If one is interested in hydrocarbon terpenes then methyl-tertiary butyl ether (MTBE) is highly efficient, but for terpenoid alcohols or aldehydes are better extracted in hexane, pentane, dichloromethane serial extractions. Depends if you are interested in a specific product or for metabolic profiling of all chemotypes. Thanks, Biswa
Ethanol, chloroform and diethyl ether are recommended based on their solubility profile. If you are working via successive solvent extraction, then beginning with petroleum ether/hexane is the best way, followed by increasing polarity solvents.
Yes, Most of the time people used it. Please find some other choice according to polarity index list.
One more thing here i want to add that economic consideration of cost. As in most of the solvent extraction method we have to pay higher charges for cost of some solvent. In that Petroleum ether become choice as it is somehow cheaper in cost then other solvent used for the purpose of isolation of terpenes
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