您现在的位置: 首页> 研究主题> 渗漉法

渗漉法

渗漉法的相关文献在1979年到2022年内共计110篇,主要集中在中国医学、药学、化学工业 等领域,其中期刊论文99篇、会议论文3篇、专利文献106647篇;相关期刊77种,包括天然产物研究与开发、现代中药研究与实践、中国民族民间医药等; 相关会议3种,包括“急诊医学临床学术探讨研究会”会议、2008中国药学会学术年会暨第八届中国药师周、第二届中药现代化新剂型新技术国际学术会议等;渗漉法的相关文献由284位作者贡献,包括刘汉清、岑志芳、张明等。

渗漉法—发文量

期刊论文>

论文:99 占比:0.09%

会议论文>

论文:3 占比:0.00%

专利文献>

论文:106647 占比:99.90%

总计:106749篇

渗漉法—发文趋势图

渗漉法

-研究学者

  • 刘汉清
  • 岑志芳
  • 张明
  • 上官晓明
  • 刘小波
  • 唐灿
  • 张涛
  • 徐斌
  • 曹世红
  • 曾忠荣
  • 期刊论文
  • 会议论文
  • 专利文献

搜索

排序:

年份

    • 张规富; 陈亚
    • 摘要: 分别采用烧制法、干馏法和渗漉法3种不同方法提取雷竹(Phyllostachys praecox)竹沥,运用气相色谱-质谱联用技术(GC-MS)分析所含化学成分的差异.结果表明,烧制法提取竹沥检出峰104个,可定性成分为20个,含量占总检出成分的62.89%;干馏法提取竹沥检出峰100个,可定性成分21个,含量占总检出成分的57.14%;渗漉法提取竹沥检出峰99个,可定性成分33个,含量占总检出成分的64.81%.雷竹竹沥所含的有机化合物含量与不同的提取方法有关,有机酸类化合物提取应采用烧制法;醛类化合物、醇类化合物提取宜采用渗漉法;酚类化合物提取采用干馏法最优.%To study the difference of the chemical composition of Phyllostachys praecox bamboo juice between three different preparation methods. extracting succus bambusae with the method of calcinations,dry distillation and percolation,the test was carried out through GC-MS. The results showed that 104 peaks of the Phyllostachys praecox liquid of extracting with calcina-tions were detected,and 20 compounds were identified,accounted for the total detection component of 62.89%;the extraction succus bambusae in dry distillation containing 100 peaks were detected,21 compounds were qualitative data,57.14% of the total detection component;percolation method for extracting bamboo juice and 99 peaks were checkout,33 compounds were qualitatived,the total detection component of 64.81%. The content of organic compounds of Phyllostachys praecox succus bam-busae were concerned with different extraction methods. Organic acid compounds were extracted by calcinations method;ex-tractting compounds of aldehyde and alcohol by percolation method;phenolic compounds the dry distillation method wae used to extract phenolic compounds.
    • 冯果; 李玮; 何新; 吴增光; 郑传奇; 田小芳; 冷安碧; 李月
    • 摘要: OBJECTIVE:To optimize the extraction technology of Wikstroemia indica. METHODS:Using the active ingredient contents of umbelliferone and daphnoretin,and extraction yield as comprehensive evaluation indexes,solvent dosage,ethanol vol-ume fraction,percolation rate as investigation factors,single factor test was conducted to compare the 3 extraction methods(perco-lation method,boiling method,reflux extraction method),and screen the optimized one;and the technology conditions of opti-mized method were optimized and verified. RESULTS:The comprehensive score ordered as percolation method,reflux extraction method,boiling method,which was better by percolation method. The optimal technology conditions was as follow as percolation solvent of 70% ethanol,14-fold herbs at percolation rate of 5 mL/(min·kg);the comprehensive scores in 3 tests were 98.3,99.3, 98.8(RSD=0.51%,n=3). CONCLUSIONS:Percolation method is optimized for extracting active ingredient of W. indica,which is stable and reproducible.%目的:优化了哥王的提取工艺.方法:以了哥王的有效成分伞形花内酯、西瑞香素的含量和浸膏收率作为综合评价指标,以溶剂量、乙醇体积分数、渗漉速度为考察因素,采用单因素试验对了哥王的3种提取方法(渗漉法、煎煮法和回流提取法)进行比较,筛选最优提取方法;再用正交试验对最优提取方法的工艺条件进行优化并验证.结果:提取方法的综合评分排序为渗漉法>回流提取法>煎煮法,以渗漉法更优.渗漉法的最优工艺条件为渗漉溶剂70%乙醇,溶剂量为14倍药材量,渗漉速度为5 mL/(min·kg);验证试验中3次试验的综合评分分别为98.3、99.3、98.8(RSD=0.51%,n=3).结论:了哥王有效成分的提取方法选用渗漉法,优选出的渗漉法提取工艺稳定、重现性好.
    • 马晓玲; 张雪琼; 李心愿; 吴珊珊
    • 摘要: OBJECTIVE To study the chemical constituents of ethyl acetate extract from dandelion.METHODS Percolation method was used to extract effective components of dandelion.The constituents were isolated and purified by silica gel column chromatography,reversed phase high performance liquid chromatography and semi-preparative high performance liquid chromatography.The structures were elucidated on the basis of physicochemical properties and spectral analysis.RESULTS Six compounds were isolated and identified as palmitic acid (Ⅰ),caffeic acid (Ⅱ),ethyl caffeate (Ⅲ),ethyl 4-hydroxyphenylacetate (Ⅳ),ferulic acid (Ⅴ) and blumenol A (Ⅵ).CONCLUSION Compound Ⅵ is isolated from dendelion for the first time.%目的:研究蒲公英乙酸乙酯部位的化学成分.方法:采用渗漉法提取蒲公英有效成分,硅胶柱层析、反相高效液相色谱法及半制备高效液相色谱法对提取物进行分离和纯化,依据单体化合物的理化性质及核磁共振谱图确定其化学结构.结果:从蒲公英乙酸乙酯部位分离得到6个化合物,分别是棕榈酸(Ⅰ)、咖啡酸(Ⅱ)、咖啡酸乙酯(Ⅲ)、对羟基苯乙酸乙酯(Ⅳ)、阿魏酸(Ⅴ)和blumenol A(Ⅵ).结论:化合物Ⅵ为首次从蒲公英中分离得到.
    • 皮凤娟; 黄娟; 张庆莲
    • 摘要: 目的:研究中药复方大黄乳膏的制备工艺,为工业化大生产提供科学依据.方法:用渗漉法提取有效成分,制成O/W型乳剂型软膏,以耐热耐寒,离心和外观等指标考察乳膏的初步稳定性,优选成型工艺条件.结果:制得的乳膏质地均匀,外观细腻,易于清洗,质量稳定.结论:中药复方大黄乳膏制备工艺简便,稳定可行.
    • 何昊; 许畅; 王兴中; 苏力; 张家旭
    • 摘要: 以浸膏得率、黄芪甲苷和毛蕊异黄酮的质量分数为评价指标,使用煎煮法,渗漉法,索氏提取法,超临界流体萃取法分别提取黄芪中主要成分黄芪甲苷,研究不同提取方法对黄芪甲苷提取得率的影响.结果表明,CO2超临界流体提取法提取时间最短,提取效率最高,是一种简便、快速的提取方法,黄芪甲苷得率为198.3 mg/g.
    • 杜松云; 杨艾玲; 毛淑芳
    • 摘要: 目的 优选咳喘灵凝胶膏剂的渗漉法提取工艺.方法 以药材粉碎度、乙醇用量、乙醇含量和滴速为可变因素,以芥子碱硫氰酸盐的含量与干浸膏得率为考察指标,采用L9(34)正交实验优选提取工艺.结果 优选工艺为:以8倍量50%的乙醇提取粗粉药材并控制滴速为6mL/min.结论 优选的工艺简便、合理,为进一步的研究奠定了良好的基础.
    • 张立雄; 马宏峰
    • 摘要: 目的:分析研究渗漉法和循环法在药酒生产中的应用效果。方法药酒处方包括有当归、白芍、党参、鸡血藤等,对其采取渗漉法和循环法,对这两种方法在药酒生产当中的应用效果进行对比。结果渗漉法的浸渍时间以及浸出时间高于恒温循环法,其之间的差异具有统计学意义(P<0.05);恒温循环法的浸出效果也优于渗漉法,其之间的差异具有统计学意义(P<0.05)。另外,渗漉法与恒温循环法的成品含醇量变化不大,有利于质量的稳定。结论在药酒生产过程当中采取恒温循环法的效果优于渗漉法,使溶媒与溶质的浓度差增大,使浸出过程加速,使浸出效果提高,进而使药酒生产周期进一步缩短。%ObjectiveTo study the percolation method and application results in a round-robin wine production.MethodsWine prescription include angelica, white peony root,codonopsis,milettia,etc.,take their percolation and recycling method,the effect of the application of these two methods in wine production among the comparison. Results Percolation method of impregnation time and leaching time was significantly higher than temperature cycle method,the difference between them was statisticaly significant(P<0.05),leaching effect of temperature cycle method significantly better than the percolation method,which between the difference was statisticaly significant(P<0.05). In addition,finished percolation thermostat round robin alcohol content changed little,in favor of stable quality.Conclusion The method of taking temperature cycle in the wine production process better than the percolation method,the concentration of solvent and solute poor significantly increases,the leaching process was accelerated so that the leaching effect is significantly improved,thereby further shortening the production cycle to make wine .
    • 摘要: 本品为七叶莲制成的酊剂。【制法】取七叶莲250g粉碎成最粗粉,照流浸膏剂与浸膏剂项下的渗漉法(《中国药典》2010版附录IO)用60%乙醇作溶剂进行渗漉,收集渗漉液为原生药的1.5倍量,滤过,滤液加60%乙醇至1000mL,即得。
    • 陈璐; 李晋奇; 汪洋; 胡远; 张丽娟
    • 摘要: 目的:优选补气生血口服液中何首乌提取方法与生产工艺条件。方法:以二苯乙烯苷含量为指标,比较何首乌提取生产工艺,选择最佳方法。设计正交实验,考察该方法的不同影响因素(加醇倍数、含醇浓度、渗漉时间)的影响,从而优化何首乌生产工艺。结果:何首乌最佳提取工艺方法为渗漉法,最佳提取条件为:含醇浓度55%,加醇倍数30,渗漉时间36 h。结论:优选的制备工艺简单可行,稳定可靠,具可操作性和重复性。
    • 吴素玲; 孙晓明; 金敬红; 陈文华; 张锋伦
    • 摘要: This article determines the technological parameters of ethanol diacolation method for extrac-tion of Chinese prickly ash alkaloids, improving the methods of acid dye colorimetry for alkaloids determi-nation of extracting solution and determinating the contents of alkaloids extracted from the green prickley ash using ethanol of different concentrations which extracted essential oil by SFME. The results show that the optimum operating condition for extractiong of the green prickley ash alkaloids is two drops per second of diacolating liquid,collecting 60 mL diacolating liquid every fifteen minutes,2. 5 h of diacolation time and 70% ~75% ethanol concentration.%对酸性染料比色法来测定提取液的总生物碱的方法加以改进;并对以SFME法提取精油后的青花椒作原料、用不同浓度的乙醇渗漉法提取生物碱进行含量测定,确定乙醇渗漉法提取生物碱的相关工艺参数。结果表明:青花椒生物碱提取的最佳操作条件是控制渗漉液的流速在每秒2滴左右,每15 min收集约60 mL左右渗漉液,渗漉时间为2.5 h,乙醇浓度为70%~75%。
  • 查看更多

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号