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Showing 1 to 12 of 42 entries
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Simultaneous Quantification of 11 Constituents in Wuji Pill Using Ultra Performance Liquid Chromatography Coupled With a Triple Quadrupole Electrospray Tandem Mass Spectrometry.

Journal of chromatographic science

Tian T, Jin Y, Ma Y, Xie W, Xu H, Du Y.
PMID: 26363492
J Chromatogr Sci. 2016 Feb;54(2):237-45. doi: 10.1093/chromsci/bmv140. Epub 2015 Sep 12.

An ultra performance liquid chromatography coupled with a triple quadrupole electrospray tandem mass spectrometry (UPLC-MS-MS) method was developed for analyzing and identifying the constituents of 11 compounds including berberine, epiberberine, berberrubine, jatrorrhizine, coptisine, palmatine, evodiamine, rutaecarpine, limonin, paeoniflorin and...

Preparative separation of the polar part from the rhizomes of Anemarrhena asphodeloides using a hydrophilic C18 stationary phase.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Cai J, Xin H, Cheng L, Fu Y, Jiang D, Feng J, Fu Q, Jin Y, Liang X.
PMID: 28865331
J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Sep 15;1063:149-155. doi: 10.1016/j.jchromb.2017.08.034. Epub 2017 Aug 31.

The goal of this study was to develop a method that utilized a hydrophilic C18 stationary phase in the preparative high performance liquid chromatography to isolate the polar part from the rhizomes of Anemarrhena asphodeloides. The results showed that...

[Formulation Optimization of Zuojin Floating-Bioadhesive Pellets by Central Composite Design-Response Surface Methodology].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Xu F, Wang LL, Shi ZQ, Chen F, Sun DM.
PMID: 26930991
Zhong Yao Cai. 2015 Sep;38(9):1969-73.

OBJECTIVE: To optimize the formulation of Zuojin floating-bioadhesive pellets by the central composite design-response surface methodology (CCD-RSM).METHODS: In the formulation design using CCD-RSM, independent variables were the amounts of sodium bicarbonate (X1), HPMC (X2) and MCC (X3) as factors....

Simultaneous quantitation and comparison of eight components in Jiao-ai decoction and Si-wu decoction by ultra high performance liquid chromatography with triple quadrupole tandem mass spectrometry.

Journal of separation science

Yao W, Li H, Liu Q, Gao Y, Dai J, Bao B, Zhang L, Ding A, Tang Y, Duan J.
PMID: 27384525
J Sep Sci. 2016 Sep;39(17):3311-7. doi: 10.1002/jssc.201600456. Epub 2016 Aug 04.

An ultra high performance liquid chromatography coupled to triple quadrupole tandem mass spectrometry method has been established to evaluate the variations of multiple components of Chinese herbal preparations, Jiao-ai decoction and Si-wu decoction, through the simultaneous determination of eight...

Effective 2D-RPLC/RPLC enrichment and separation of micro-components from Hedyotis diffusa Willd. and characterization by using ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry.

Journal of pharmaceutical and biomedical analysis

Li C, Zhao Y, Guo Z, Zhang X, Xue X, Liang X.
PMID: 25061712
J Pharm Biomed Anal. 2014 Oct;99:35-44. doi: 10.1016/j.jpba.2014.06.020. Epub 2014 Jul 09.

An effective method aiming at enrichment and analysis of micro-components in traditional Chinese medicine (TCM) was developed. One fraction (fraction E) from the extract of Hedyotis diffusa Willd. was selected as test sample, which was isolated by using the...

High-performance liquid chromatographic method for simultaneous quantification of eight major biologically active ingredients in 'Da-Chai-Hu-Tang' preparation.

Biomedical chromatography : BMC

Li CY, Chiu CH, Huang HS, Lin CH, Wu TS.
PMID: 16161181
Biomed Chromatogr. 2006 Apr;20(4):305-8. doi: 10.1002/bmc.572.

A simple, sensitive and specific high-performance liquid chromatographic method has been developed for the first time to simultaneously determine the eight major biologically active ingredients, namely paeoniflorin, naringin, sennoside A, baicalin, baicalein, saikosaponin a, rhein and emodin of the...

[Simultaneous determination of four constituents in wild Gentiana lawrencei from Qinghai province by RP-HPLC].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Zhang X, Zhang H, Ji L.
PMID: 20209951
Zhongguo Zhong Yao Za Zhi. 2009 Nov;34(22):2884-6.

OBJECTIVE: To establish a RP-HPLC method for simultaneously determination of swertiamarin, gentiopicroside, sweroside, isoorientin in Gentiana lawrencei from Qinghai province.METHOD: The RP-HPLC method was used. Chromatographic column was the Kromasil C18 column (4.6 mm x 250 mm, 5 microm)....

[Chemical constituents from Piper longum].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Liu W, Jiang Z, Chen J, Zhang X, Ma Y.
PMID: 20209953
Zhongguo Zhong Yao Za Zhi. 2009 Nov;34(22):2891-4.

OBJECTIVE: To study the chemical constituents of Piper longum.METHOD: The whole plant of air-dried P. longum was extracted with 95% EtOH. The EtOH extract was suspended in H2O and extracted with petroleum ether, CHCl3 and n-BuOH, successively. The compounds...

[Chemical constituents from herbs of Swertia mileensis].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Li XS, Jiang ZY, Wang FS, Ma YB, Zhang XM, Chen JJ.
PMID: 19260313
Zhongguo Zhong Yao Za Zhi. 2008 Dec;33(23):2790-3.

OBJECTIVE: To study the chemical constituents of Swertia mileensis.METHOD: The air-dried whole plants of S. mileensis were extracted with 50% EtOH. The EtOH extract was suspended in H20 and extracted with petroleum ether, CHCl3 and n-BuOH successively. The compounds...

[AMWFA method applied to research on changes of essential components and extractive ratioes of herbal pair Cinnamomum cassia and Poria cocos].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Xiang Z, Wang XQ, Yu XM, Wei T, Li YX.
PMID: 19160782
Zhongguo Zhong Yao Za Zhi. 2008 Sep;33(18):2056-60.

Gas chromatography/mass spectrometry, chemometric resolution method-Alternative movingwindow factor analysis that were proposed recently and the Kovats retention index were used to analyze the essential components of herbal pair Cinnamomum cassia Presl and Poria cocos (CCP-PC) and compare them with...

[Determination of paprazine in Polygonum orientale of different commodities by HPLC].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Song J, Zhai Y, Wang R, Li N.
PMID: 20422986
Zhongguo Zhong Yao Za Zhi. 2010 Feb;35(3):272-4. doi: 10.4268/cjcmm20100303.

OBJECTIVE: To establish a method for the content determination of paprazine in Polygonum orientale, and provide a new evaluation index for the quality control for P. orientale.METHOD: HPLC was carried out on Agilent C18 (4.6 mm x 150 mm,...

[Chemical constituents from Xanthium mongolicum].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Zhang W, Han W, Li Y, Zhang S, Zhao D.
PMID: 19873782
Zhongguo Zhong Yao Za Zhi. 2009 Jul;34(13):1687-9.

OBJECTIVE: To study the chemical constituents of Xanthium mongolicum.METHOD: The compounds were isolated with column chromatography. The structures were determined by spectroscopic techniques.RESULT: Eight compounds were isolated from X. mongolicum, four compounds are sesquiterpene lactones, two compounds are triterpenes...

Showing 1 to 12 of 42 entries