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1.
目的:建立采用UPLC同时测定银黄颗粒中绿原酸、咖啡酸、黄芩苷、汉黄芩苷、黄芩素和汉黄芩素6种成分含量的方法。方法:采用ACQUITY UPLC BEH C18色谱柱(2.1 mm×50 mm,1.7μm),流动相乙腈-0.2%磷酸水梯度洗脱,在326nm波长处进行检测。结果:绿原酸、咖啡酸、黄芩苷、汉黄芩苷、黄芩素和汉黄芩素的线性关系良好,加样回收率分别为96.34%(RSD 0.90%),101.4%(RSD 1.53%),95.64%(RSD 1.34%),98.01%(RSD1.72%),98.61%(RSD 1.96%),102.7%(RSD 1.42%)。结论:该方法简便、快速,分离效果好,可为全面控制银黄颗粒的质量提供参考。  相似文献   

2.
HPLC测定不同产地黄芩中黄酮化合物的含量△   总被引:1,自引:0,他引:1       下载免费PDF全文
目的:建立黄芩中黄芩苷、汉黄芩苷、黄芩素和汉黄芩素含量的HPLC测定方法,以便控制其质鼍.方法:固定相用Spherigel-C18柱(4.6mm×200mm,5μm),流动相:0.2%冰醋酸(A)-甲醇(B),梯度洗脱:0~30min:B42%~70%;流速:1.0mL·min-1;检测波长276nm.结果:10种不同产地的黄芩根4种主要成分的含量范嗣为:黄芩苷5.14%~13.58%、汉黄芩苷1.12%~2.37%、黄芩素0.46%~1.16%和汉黄芩素0.14%~0.39%.结论:本方法简便、准确,可用于黄芩药材的鉴别与质量控制.  相似文献   

3.
目的: 建立同时测定小柴胡汤乙酸乙酯部位中甘草苷、黄芩苷、汉黄芩苷、黄芩素和汉黄芩素含量的方法。方法: 采用Diamonsil C18(2)色谱柱 (4.6 mm×250 mm, 5.0 μm),以乙腈-0.1%磷酸水溶液为流动相,梯度洗脱,流速1 mL·min-1,检测波长276 nm,柱温30 ℃。结果: 甘草苷、黄芩苷、汉黄芩苷、黄芩素和汉黄芩素的线性范围分别为0.162~1.62,0.24~2.4,0.206~2.06,0.221~2.21,0.077~0.77 μg,平均加样回收率分别为98.2%,103.3%,97.9%,100.6%,103.0%。结论: 该方法简便,快速,重复性好,可用于同时测定小柴胡汤乙酸乙酯部位中5种有效成分的含量。  相似文献   

4.
马开  秦文杰  巴蕾 《中成药》2004,26(4):278-280
目的:建立高效液相色谱法测定蝉蜕止咳颗粒(蝉蜕、黄芩等)中黄芩苷和汉黄芩素含量的方法.方法:ODS(C18)色谱柱.乙腈-0.6%磷酸(45:55)为流动相;流速:1mL·min-1;柱温:40℃;检测波长275nm.结果:本法可测定蝉蜕止咳颗粒中黄芩苷和汉黄芩素含量.其分别在0.104μg~0.52μg和0.03μg~0.15μg范围内与峰面积成线性关系.平均回收率分别为100.69%和98.8%;RSD分别为1.75%和1.01%.结论:该方法简便、准确,可作为蝉蜕止咳颗粒的含量测定方法.  相似文献   

5.
目的:建立同时测定复方金银花颗粒中5种化学成分(绿原酸、连翘苷、黄芩苷、汉黄芩素、芹菜素)的高效液相色谱法。方法:采用Agilent-Eclipse XDB-C18色谱柱(4.6 mm×250 mm,5μm)。以甲醇(A)-0.2%磷酸溶液(B)为流动相进行梯度洗脱(0~10 min,25%~53%A;10~16 min,53%~78%A),检测波长278 nm,流速1 mL·min-1,进样量为20μL,柱温25℃。结果:绿原酸、连翘苷、黄芩苷、汉黄芩素、芹菜素5种成分在25 min内基本分离。峰面积(Y)对进样量(X)的标准曲线分别为绿原酸Y=2 350.4X-137.27,r=0.999 6;连翘苷Y=1 161.7X+18.474,r=0.999 6;黄芩苷Y=3 204.2X-423.45,r=0.998 8;汉黄芩苷Y=4 792.7X-93.15,r=0.998 5;芹菜素Y=1 434.1X-8.4132,r=0.999 3;加样回收率分别为:绿原酸99.47%(RSD 0.8%);连翘苷98.26%(RSD 0.9%);黄芩苷100.4%(RSD 1.9%);汉黄芩素99.29%(RSD 1.1%);芹菜素98.79%(RSD 1.1%)。结论:该方法操作简便,重复性好,分离效果好,可以作为复方金银花颗粒的质量控制。  相似文献   

6.
杨世艳  何兵  张燕 《中草药》2013,44(3):301-304
目的 建立同时测定银黄颗粒中7种有机酸类成分(新绿原酸、绿原酸、隐绿原酸、咖啡酸和异绿原酸A、B、C)和4种黄酮类成分(黄芩苷、汉黄芩苷、黄芩素及汉黄芩素)的HPLC方法.方法 色谱柱为AkzoNobel Kromasil C18柱(250mm×4.6 mm,5μm);流动相为乙腈-0.1%磷酸水溶液,梯度洗脱;分段变波长测定;柱温30℃;体积流量1.0mL/min.结果 11种成分的线性关系均良好,精密度、稳定性、重复性的RSD均低于2%,加样回收率为97.35%~99.23%.结论 该方法简便、准确、灵敏,可用于银黄颗粒质量标准提高研究.  相似文献   

7.
刘金欣  孟繁蕴  张胜海  卢恒  周骁腾  侯静怡  李耿 《中草药》2014,45(10):1477-1480
目的 建立用超高效液相色谱(UPLC)同时测定黄芩中黄芩苷、黄芩素、汉黄芩苷、汉黄芩素、千层纸素A 5种成分的方法。方法 采用UPLC色谱系统,BEH C18色谱柱(50 mm×2.1 mm,1.7 μm);流动相为乙腈-0.1%甲酸,梯度洗脱,体积流量为0.6 mL/min;进样量为2 μL;检测波长为280 nm。结果 本方法可在15 min内完成1次色谱分析,黄芩苷、黄芩素、汉黄芩苷、汉黄芩素、千层纸素A色谱峰之间有良好的分离度,5种成分的浓度和各自峰面积之间有着良好的线性关系,精密度、重复性及加样回收率的RSD均小于3.0%。结论 本方法快捷、准确,重复性好,能同时测定黄芩中黄芩苷、黄芩素、汉黄芩苷、汉黄芩素、千层纸素A 5种成分的量。  相似文献   

8.
目的:研究韩信草的HPLC指纹图谱,并建立同时测定韩信草中野黄芩苷、汉黄芩苷、芹菜素及汉黄芩素含量的方法。方法:采用Agilent Eclipse XDB-C18色谱柱(4.6 mm×250 mm,5μm),流动相0.6%乙酸水-乙腈-四氢呋喃梯度洗脱,流速1.0 m L·min-1,0~40 min检测波长365 nm,40~65 min检测波长275 nm,进样量10μL,柱温30℃。对16批韩信草药材进行了指纹图谱及含量测定研究,采用中药色谱指纹图谱相似度评价软件(2004A)进行分析。结果:野黄芩苷、汉黄芩苷、芹菜素、汉黄芩素的线性范围分别为5.125~82.00,7.375~118.0,1.550~24.80,7.188~115.0 mg·L-1(相关系数分别为0.999 9,0.999 9,0.999 9,0.999 9);平均加样回收率分别为103.37%(RSD 1.8%),100.63%(RSD 1.3%),104.03%(RSD 0.8%),98.39%(RSD 2.5%);16批药材的HPLC指纹图谱共标定28个共有峰,并对其中4个进行了含量测定。结论:该方法准确可靠,重复性好,为控制韩信草药材的质量提供科学的依据。  相似文献   

9.
RP-HPLC法测定黄芩属四种药材中五个活性成分的含量   总被引:9,自引:0,他引:9  
张箭  肖丽和  李发美 《中药材》2005,28(5):389-391
目的:分析比较不同来源黄芩药材中五个有效成分(黄芩苷、汉黄芩苷、黄芩素、汉黄芩素和千层纸素A)的含量.方法:RP-HPLC法,Zirchrom C8色谱柱(5 μm,200×4.6 mm),流动相为水-乙腈-甲醇(54∶ 28∶ 18,V/V/V),含0.5%三乙铵,磷酸调pH 2.8,检测波长276 nm,进样量20 μl.结果:所有成分在30 min内可达到完全分离,每种成分在各自的浓度范围内均具有良好的线性相关性;加样回收率为99.0%~104.6%,其相对标准偏差为1.65%~3.52%.结论:本法操作简便,结果准确,适用于黄芩类药材的活性成分分析.  相似文献   

10.
目的建立同时测定银黄制剂中10种成分(新绿原酸、绿原酸、隐绿原酸、异绿原酸A、异绿原酸B、异绿原酸C、黄芩苷、汉黄芩苷、黄芩素、汉黄芩素)的超高效液相色谱(UPLC)方法。方法采用Acquiyt UPLC BEH C_(18)色谱柱(100 mm×2.1 mm,1.7μm),以乙腈-0.4%磷酸水溶液为流动相,梯度洗脱,体积流量0.4 m L/min,在326 nm波长处进行检测,柱温40℃,进样量1.0μL。结果银黄制剂中10种成分在考察线性范围内线性关系良好(r≥0.999 6),加样回收率均在97.43%~99.94%,RSD均小于2.0%。11批银黄制剂样品中新绿原酸、绿原酸、隐绿原酸、异绿原酸A、异绿原酸B、异绿原酸C、黄芩苷、汉黄芩苷、黄芩素、汉黄芩素质量分数分别在0.236~3.419、5.279~26.220、0.495~4.714、0.130~2.702、0.310~3.210、0.363~5.036、35.209~133.289、1.493~6.635、1.546~5.393、0.254~0.823 mg/g。结论该方法简便,准确,快速,分离效果好,重复性好,可用于银黄制剂的质量控制,并为将来该制剂质量标准提升提供参考。  相似文献   

11.
汤卫国  王奇志  印敏  王鸣  陈雨  张建华  冯煦 《中草药》2014,45(15):2172-2177
目的建立微波消解-电感耦合等离子体质谱(ICP-MS)直接稀释测定脉络宁注射液中25种矿物质元素(Mg、Ca、Fe、Cu、Zn、Mn、Al、B、Ba、Co、Cr、K、Li、Mo、Na、Ni、P、Pb、Sr、Th、Ti、V、As、Cd和Hg)的方法。方法分别对微波消解条件和测试条件进行考察;样品经微波消解后,采用电感耦合质谱仪测定25种矿物质元素,并对测定方法学进行考察。结果确定最佳消解条件为3步缓慢升温:400 W 80℃升温10 min,保留5 min;600 W 120℃升温10 min,保留5 min;900 W 200℃升温20 min,保留20 min;25种矿物质元素在各自的线性范围内线性关系良好,r≥0.999 6,精密度、稳定性和重复性试验的RSD均符合定量分析要求;加标回收率为94.7%~106.1%,RSD在0.34%~2.79%。脉络宁注射液中检测出Mg、Ca、Fe、Cu、Zn、Mn、Al、B、Ba、Co、Cr、K、Li、Mo、Na、Ni、P、Pb、Sr、Th、Ti、V,未检出As、Cd和Hg。结论该方法简便、迅速、准确,适用于脉络宁注射液中25种矿物质元素的同时测定。  相似文献   

12.
The disturbance and instability of laterality are obstacles to diagnostics and therapy. Correction prior to starting therapy is required. They also predispose toward defined health problems and unspecific diseases. Numerous research activities provide evidence of the relevance of undisturbed laterality in diagnostics and therapy. Techniques of testing and therapeutic corrections will allow for optimized therapy success.  相似文献   

13.
正Beverages based on Ilex paraguariensis A.St.-Hil.are used in the south Brazil and other Latin American countries located at the so-called southern cone.It is known as chimarro or mate in south and southeast Brazil,tererêin  相似文献   

14.
15.
The Journal of Acupuncture and Tuina Science, a journal with an international scope (IS SN 1672-3597, CN 31-1908/R, Bimonthly), is embodied by 'Springer Verlag' Database, Index Copernicus (IC) and Chinese Scientific and Technical Paper and Citations Data (CSTPCD). You can search full text on http://www, springerlink, com/content/1672 -3597.  相似文献   

16.
This paper deals with an interdisciplinary study covering historic, botanical, phytochemical, pharmacological and clinical aspects of rhubarb and related species, to lay stress on the correlation between plant phylogeny, chemical constituents and purgative activity.

It was found that the official rhubarbs were exclusively restricted in the Sect. Palmata e.g. Rheum palmatum R. palmatum var. tanguticum R. officinale; the following criteria may serve as their standard, viz., the presence of sennoside derivatives and rhein, the occurrence of the reduced form of rhein and aloe-emodin, the leaves with any kind of palmate incision. Comprehensive multivariate analyses showed that there is a very close relationship between the leaf incision, existence of sennosides or rhein and purgative activity.  相似文献   


17.
目的 通过电感耦合等离子体质谱(inductively coupled plasma mass spectrometry,ICP-MS)法建立加味左金丸中Cd、Pb、As、Hg、Co、V、Ni、Cu、Li、Sb、Ba、Mo、Sn、Cr、Na、Mg、Al、Ca、Ti、Mn、Fe、Zn、Ga、Se、Sr、Tl共计26种无机元素的测定方法。方法 加味左金丸通过微波消解法处理后,根据相对分子质量的大小选择内标物,其中7Li、23Na、24Mg、27Al、40Ca、48Ti、51V、52Cr、55Mn、56Fe、58Ni、59Co、63Cu、66Zn、70Ga、75As、77Se、86Sr以72Ge作为内标;95Mo、114Cd、118Sn、121Sb、137Ba以115In作为内标;202Hg、205Tl、208Pb以209Bi作为内标。对标准品溶液、空白溶液与供试品溶液进行分析,采用标准曲线法进行定量分析。通过ICP-MS法进行测定。结果 26种无机元素线性的相关系数r ≥ 0.999 6,检出限为0.001~1.500μg/L,定量限为0.01~5.00 μg/L,精密度与重复性试验的RSD均小于5%,平均回收率在82.64%~106.44%,RSD均小于5%。对3个厂家的12批样品进行了测定,26种元素的含量差异较大,其中Na、Mg、Ca、Fe 4种元素的含量比较高,均大于500 μg/g,Cd、Pb、As、Hg、Co、Li、Sb、Mo、Sn、Cr、Se、Tl的含量比较低,均小于1 μg/g。由结果可知,人体的常量元素,如Na、Mg、Ca的含量比较高,Cd、Pb、As、Hg等有害元素含量比较低。根据《中国药典》2020年版一部的要求,本品中Cd、Pb、As、Hg与Cu均符合规定。结论 该方法快速、准确,可以用于加味左金丸中无机元素的测定。  相似文献   

18.

Background

At present, the state-of-the-art medication in treating idiopathic taste disorder (gustatory dysfunction) is zinc. If zinc medication was unsuccessful, not tolerated or if it is contraindicated the persons affected can hardly be helped.

Objectives

In a randomized placebo-controlled clinical trial an attempt was made to determine the efficacy of acupuncture.

Methods

The treatment group was treated with acupuncture needles, the placebo group with an inactive acupuncture-laser. Endpoints of the study were changes in the taste test, the quality of life and the severity of symptoms of depression (BDI) as well as mood changes (ZMS). Satisfaction with the success of the respective therapy was also evaluated. Data were collected before and after therapy and again for the treatment group 10 weeks after completion of the treatment period.

Findings

Treatment with real acupuncture showed a significant improvement in gustatory function as well as a significant improvement in psychological symptoms. Greater satisfaction with the treatment results was evident in the treatment group. The treatment results of acupuncture remained stable over a period of ten weeks after completion of the treatment.

Conclusion

Acupuncture was effective in the therapy of idiopathic taste disorders and therefore it is an effective alternative when zinc medication is not tolerated or unsuccessful. But it is also suitable as a therapy of first choice. Acupuncture can be considered as an extension of the therapeutic spectrum in the difficult treatment of taste disorders.  相似文献   

19.
A girl, three and a half years old at the respective date, premature in 25th week of gestation, had been presented. On day three after birth, she had had a IVH III° right and left with severe involvement of parenchyma and other multiple complications, e. a. infant respiratory distress syndrome up to the 42nd day postpartum, and epileptic attacks with apnoeic events.  相似文献   

20.

Background

Experimental and clinical studies postulate a neurobiological mechanism of acupuncture by modulating central pain systems, neurohormones and -transmitters. It seems to be quite likely that the autonomic nervous system (ANS) plays an important mediating role in this neuromodulation.

Aim

In measuring heart rate variability (HRV), as a non-invasive approach to the ANS-function, the object of this study was to monitor probable acupuncture-induced changes of autonomic balance. The innovative technology of laser-needle acupuncture offers for the first time a stimulation method which fulfils the demands on a placebo-controlled acupuncture trial not requiring controversial sham acupuncture.

Method

19 healthy voluntary subjects underwent 3 treatments in randomized sequence, consisting of placebo-, 1-point- (PC 6) and simultaneous 3-point- (PC 6, LR 3, SI 3) laser-needle-stimulation over 20 minutes. Before, during and after placebo-/verum laser-needle acupuncture, HRV-data for normalized HF(high frequency)- and LF(low frequency)-Power (nHF, nLF) and their quotient nLF/nHF obtained by power spectrum analysis (FFT), were measured and analyzed statistically at 5 different time points (ANOVA repeated measures, p < 0,05).

Results

During both verum applications, the 1-point- (PC 6) as well as the simultaneous 3-point- (PC 6, LR 3, SI 3) laser-needle stimulation, significant changes of the ANS-activity were found in comparison to the placebo application. The most significant modification of HRV was an increase of nHF (p < 0,05 (PC 6), p < 0,0001 (PC 6, LR 3, SI 3)) as an expression of growing vagal activity during acupuncture.

Conclusion

Laser-needle acupuncture causes in 1-point-stimulation (PC 6) as well as in simultaneous 3-point-stimulation (PC 6, LR 3, SI 3) significant changes in HRV in comparison to placebo application. HRV-monitoring seems to be a suitable approach in exploration of acupuncture-induced changes of ANS and could possibly be established in combination with laser needle acupuncture as a standard for further scientific and clinical acupuncture investigations which are greatly needed.  相似文献   

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