石油醚提取物含量有增加。
目的考察益母草石油醚提取物对大鼠肝、肾的毒性影响。
OBJECTIVE to investigate the toxic effect of petroleum ether extract of Herba Leonuri (PEE) on the liver and kidney in rats.
杉木绿冠的石油醚提取物得率，为其绝干重量的5．4％。
The yield of petroleum ether extractives from the crowns of C. lanceolata was 5 4% of its dry weight.
类胡萝卜素和石油醚提取物含量在陈化三个月时降低，之后上升。
The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
其中丁香石油醚提取物杀螨活性最为突出，是丁香的主要杀螨活性部位。
The acaricidal activity of the extracts of n-butanol and distilled water were not detected in this test.
结论峨参石油醚提取物对肺癌细胞增殖具有明显的抑制及诱导凋亡的作用。
Conclusion the petroleum ether extracts of Anthriscus have obvious inhibitory effect on the proliferation of lung cancer cell, which can induce the cells' apoptosis.
方法：用浸渍提取法从洋虫中得到水提取物和乙醇提取物，用索氏提取器提取得到石油醚提取物。
Method: Water extracts and ethanol extracts were obtained by maceration method, while petroleum ether extract was obtained by soxhlet's extracter.
丙酮和石油醚提取物对小菜蛾卵的孵化及卵的发育历期没有影响，但有增加初孵幼虫死亡率的作用。
The extracts of acetone and petroleum ether had no effect to the hatching rate and egg development duration, but they were toxic to the newly hatched larvae of Plutella xylostella.
结果表明：溪黄草水提取物具有一定的抗猪油自动氧化能力，且作用强于抗坏血酸，而95%乙醇和石油醚提取物对猪油的抗氧化作用不明显。
The results showed that the antioxidative activity of the extract by water was stronger than that of Vc, while the extracts by 95 % ethanol and petroleum ether had no obvious antioxidation for lard.
石油醚提取物(ae - 1)可显著地提高纹状体中5 - HT含量和皮层中ne和DA含量，氯仿提取物(ae - 2)能极显著地提高皮层中DA含量。
AE-1 elevated 5-ht level in the striatum and the NE and DA level in the cortex, chloroform fraction (AE-2) only significantly increased DA level in cortex.
对广东桑桑椹石油醚和乙酸乙酯提取物中的化学成分进行GC-MS分析。
Volatility chemical constituents of the extracts of mulberry (Moms atropurpurea R. ) by petroleum ether and ethyl acetate were analyzed by GC-MS.
将杠柳枝皮粉末的乙醇提取物悬浮于水后，依次用石油醚、乙酸乙酯和正丁醇萃取。
The ethanol extract from the twig bark powder of Periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.
方法对楮头红的石油醚、乙醚、乙酸乙酯、乙醇和热水的粗提取物分别进行体外抗氧化和抑菌试验。
Method the extracts of petroleum ether, ether, ethyl acetate, ethanol and hot water from the whole plant were used to determine the in vitro miti-oxidant and antibacterial activity.
再用石油醚、乙酸乙酯进行梯度提取，确定乙酸乙酯提取物的活性更优，测得总黄酮含量为27.73%。
Then gradient extraction was carried out with petroleum ether and ethyl acetate, and the activity of extracted substance with ethyl acetate was better than others.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
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