petroleum benzin

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pe·tro·le·um ben·zin

purified, low boiling fractions distilled from petroleum consisting of hydrocarbons, chiefly of the methane series; it is highly flammable, and its vapors, when mixed with air and ignited, may explode; used as a solvent.
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Another study evaluating the abortifacient effect of DC seed extract found that pregnancy was terminated in rats subcutaneously administered petroleum ether extract of DC at 0.
Fractionation of the mother liquor of the petroleum ether extract(PM) followed by repeated crystallization from methanol yielded 26 mg white flaky crystals (3) mp 140-141[degrees]C (lit.
Table 2 Constituents identification of Trachyspermum ammi extract and its petroleum ether traction by GC-MS.
L: leaves, S: stems, F: flowers, R: roots, PE: petroleum ether, EA: ethyl acetate, M: methanol and W: water; I: inhibition; NI: no inhibition.
Since the petroleum ether extract of bai zhii (rhizomes of Arractylodes macrocephala Koidz.
When the successive fractions isolated from the leaves of Mayodendron were tested against these three cell lines, petroleum ether, chloroform and ethyl acetate extracts showed high activity against liver and breast cell lines, while ethanol extract was a more potent inhibitor of breast carcinoma.
Trianthema Parts Used Extract yield % % Inhibition decandra extracts (w/w) Petroleum ether Leaves 2.
Body weights of animals recorded before and after oral administration of the extracts showed marked decrease in the case of chloroform extract (total loss 180 g), then combined ethyl acetate and ethanol extracts (total loss 85 g); petroleum ether extract also showed low decrease in body weight because it was suspended in corn oil and the control oil itself showed an increase in weight.
For extraction, 20 g portions of powdered lichen material were mixed with 100 ml of solvents namely methanol, acetone, chloroform, ethyl acetate and petroleum ether.

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