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- petrolum ether extract 石油醚提取物
- Its ether extract contains Isopsoralen and Bergapten. 香豆素类应为五指毛桃的有效部位之一。
- Amon-g of them, YNN-1 and YNN-3 were obtained from the petroleum ether extract. 其中化合物HX-3、LFM-7由石油醚部分获得;
- Additionally, the ether extract of Aspongopus chinensis Dallas could also improve the secretion of EPS. 提高胞外三萜类物质的产量的有效成分主要是九香虫乙醇提取物:促进胞外多糖分泌的有效成分主要是九香虫乙醚提取物。
- Objective To study the chemical constituents of the petroleum ether extract fraction from Caragana microphylla Lam. 目的对小叶锦鸡儿石油醚提取物进行化学成分研究。
- Study on Chemical Constituents of Petroleum Ether Extract Fraction from Caragana microphylla Lam. 关键词:小叶锦鸡儿;石油醚;黄葵内酯;二十四烷酸;
- Results of antioxidaive activity tests showed ether extract had the optimumeffect. 抗氧化性能测试表明乙醚提取物效能最好。
- The content of petroleum ether extract in the CB-1 Cutter of 2 curing technique,3 maturities and 2 sampling ways were determined. 测定了2种烘烤工艺、3个成熟度和2种取样方式的CB-1品种中部叶烤后石油醚提取物的含量。
- However, ether extract and caloric value decreased with the use of different added cereal crops, Chinese wolfberry, green pea and celluloses. 然而,乙醚抽出物及热能含量则因添加不同谷物、枸杞、青豆仁及纤维素而降低。
- The GC/MS analysis of ether extract from H. verticillata culture showed that Benzenedicarboxylic acid, Dibutyl phthalate and some others were the potential allelochemicals. 对乙醚提取物作进一步的气-质联用分析发现有如羊毛甾烯、苯二甲酸丁酯等具有潜在化感效应的物质。
- The components of chuanxiong s ether extract were analyzed.Conclusion The chromatography can serve as the specific fingerprint for Ligusticum chuanxiong. 结果确定气质联用分析条件,分析川芎乙醚提取液的化学成分,建立了川芎的特征指纹图谱。
- In these extracts, the ether extract of PHEE had the strongest biological activity. 其中,乙醚萃取物的拒食活性和触杀作用最强。
- The GC atlas of ether extracts had more peaks than ethanol extract and n-hexane extract. 麝香酮的定量分析显示冷浸法提取的麝香酮含量高于超声和热回流提取。
- Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using diethyl ether extraction. 动植物脂肪和油。不可皂化物的测定。二已醚萃取法。
- Results n-Butanol extract and water extract significantly enhanced and petroleum ether extract from Bletilla colloid prominently reduced platelet maximum aggregation induced by ADP,while acetic ether extract had no effect. 结果白及正丁醇提取部位和水溶性部位可显著升高腺苷二磷酸(ADP)诱导的血小板最大聚集率,而乙酸乙酯提取部位可显著抑制ADP诱导的血小板聚集,石油醚提取部位对ADP诱导的血小板聚集无显著影响。 各提取部位对血小板数无显著影响。
- This paper studied on oat oil from deshelled oat seeds by petroleum ether extraction. 本课题以脱壳燕麦为原料,经石油醚提取得到燕麦油。
- Objective:To analyze the chemical constituents of the ether extracts from the fruits of 3 species of Chaenomeles. 目的:分析与比较3种木瓜的乙醚提取部位的化学成分与相对含量。
- The ether extract of deodorizing Garlic Oral liquid has been analyzed by GC/MS. The 25 kinds of compounds which containing S atom in the deodorizing Garlic Oral liquid have been identi-fide. 应用GC/MS联用技术,对除臭大蒜口服液进行了检测,定性鉴定了25种含硫有机化合物。
- Result : the ether extract of the cactus was found bave soap and alcohol like compound.Condusion: the chemical composition in the cactus can be used for medicine and food additive. 结果:在仙人掌乙醚提取物中含有皂甙元及萜酮醇类化合物。
- OBJECTIVE The extraction method of Tripterygium wilfordii and determination method of total diterpene in acetic ether extract were estabished. 本文讨论了雷公藤的提取方法及乙酸乙酯提取物总二萜含量测定方法。