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Flavonol quantification and stability of phenolics in fermented extracts from fresh Betula pendula leaves

n HPLC method, which allows reliable quantitation of flavonols and other phenolics in birch leaf extracts, was developed and validated. The method was applied to study the bioconversion of flavonols in fermented aqueous extracts.

出版机构:Elsevier Science

刊物名称:Journal of Pharmaceutical and Biomedical Analysis

出版时间:2010

ISSN:0731-7085

数据源:报刊文摘

Simultaneous quantification of 19 diterpenoids in Isodon amethystoides by high-performance liquid chromatography–electrospray ionization tandem mass spectrometry

high-performance liquid chromatography with electrospray tandem mass spectrometry (HPLC?ESI-MS/MS) method was developed to characterize and quantify 19 diterpenoid compounds in Isodon amethystoides simultaneously.

出版机构:Elsevier Science

刊物名称:Journal of Pharmaceutical and Biomedical Analysis

出版时间:2010

ISSN:0731-7085

数据源:报刊文摘

Rapid method for simultaneous determination of 20 components in Isodon nervosa by high-performance liquid chromatography-electrospray ionisation tandem mass spectrometry

Introduction - Isodon nervosa is a commonly used traditional Chinese medicine including diterpenoids, phenolic acids, triterpenoids and volatile oil. Qualitative and quantitative analysis of multi-components is important for its quality control.

出版机构:John Wiley & Sons, Ltd.

刊物名称:Phytochemical Analysis

出版时间:1990

ISSN:0958-0344

数据源:报刊文摘

Qualitative and quantitative determination of nine main active constituents in Pulsatilla cernua by high‐performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry

A novel qualitative and quantitative method using high?performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry (HPLC?ESI?

出版机构:WILEY‐VCH Verlag

刊物名称:Journal of Separation Science

出版时间:2011

ISSN:1615-9306

数据源:报刊文摘

High-performance liquid chromatography coupled to mass spectrometry for studying new pharmaceutical entities

The review covers the aspects of the use of high-performance liquid chromatography coupled to mass spectrometry for studying new pharmaceutical entities. Attention is paid mainly to pharmacokinetic investigations.

出版机构:SP MAIK Nauka/Interperiodica

刊物名称:Journal of Analytical Chemistry

出版时间:2010

ISSN:1061-9348

数据源:报刊文摘

Simultaneous determination of naphthalene and anthraquinone derivatives in Rumex nepalensis Spreng. Roots by HPLC: comparison of different extraction methods and validation

Objective ? To develop and validate a HPLC method for the simultaneous determination of anthraquinone and naphthalene derivatives in R. nepalensis roots.

Methodology ?

出版机构:John Wiley & Sons, Ltd.

刊物名称:Phytochemical Analysis

出版时间:2011

ISSN:0958-0344

数据源:报刊文摘

Rapid method for simultaneous determination of 20 components in Isodon nervosa by high‐performance liquid chromatography–electrospray ionisation tandem mass spectrometry

Introduction ? Isodon nervosa is a commonly used traditional Chinese medicine including diterpenoids, phenolic acids, triterpenoids and volatile oil. Qualitative and quantitative analysis of multi?components is important for its quality control.

出版机构:John Wiley & Sons, Ltd.

刊物名称:Phytochemical Analysis

出版时间:2010

ISSN:0958-0344

数据源:报刊文摘

Metabolite profiling and quantification of phenolic compounds in methanol extracts of tomato fruit

We have developed a HPLC-DAD?ESI-MS method to profile the metabolic content of the methanol extract of three tomato cultivars grown in Almeria (south-east Spain) and analyse the quantities of phenolic compounds present.

出版机构:Elsevier Science

刊物名称:Phytochemistry

出版时间:2010

ISSN:0031-9422

数据源:报刊文摘

Characterization and quantification of the triterpenoids in different parts of Xanthoceras sorbifolia by HPLC–ESI-MS

Two new triterpenoid glycosides, sorbifoside A (2) and B (3), were isolated from the husks of Xanthoceras sorbifolia along with two known saponins (1, 5). Their structures were established on the basis of 1D and 2D NMR data.

出版机构:Elsevier Science

刊物名称:Journal of Pharmaceutical and Biomedical Analysis

出版时间:2011

ISSN:0731-7085

数据源:报刊文摘

Simultaneous determination of 15 components in Radix Glehniae by high performance liquid chromatography–electrospray ionization tandem mass spectrometry

1% formic acid and methanol (30:70, v/v). The identification and quantification of the analytes were achieved on a hybrid quadrupole linear ion trap mass spectrometer.

出版机构:Elsevier Science

刊物名称:Food Chemistry

出版时间:2010

ISSN:0308-8146

数据源:报刊文摘