Phytochemical Analysis

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Analysis of Rhizoma Polygoni Cuspidati by HPLC and HPLC‐ESI/MS
Phytochemical Analysis - Tập 18 Số 5 - Trang 387-392 - 2007
Tao Yi, Hao Zhang, Zongwei Cai
AbstractAn HPLC method with photodiode array detection (PAD) and ESI/MS detection was developed for the qualitative and quantitative analysis of the major chemical constituents of the dried rhizome of Polygonum cuspidatum Sieb. et Zucc. (Rhizoma Polygoni Cuspidati; Chinese name Hu‐Zhang). Based on the chromatogr...... hiện toàn bộ
Flavonoid Constituents of Phlomis (Lamiaceae) Species Using Liquid Chromatography Mass Spectrometry
Phytochemical Analysis - Tập 29 Số 2 - Trang 180-195 - 2018
Fatemeh Aghakhani, Navaz Kharazian, Zahra Lori gooini
AbstractIntroductionPhlomis is one of the medicinal genera of Lamiaceae. This genus has unique medicinal properties. Consequently, appropriate methods need to be described for the identification of the chemical compounds.ObjectiveA liquid chr...... hiện toàn bộ
Analysis of phytochemical variations in dioecious Tinospora cordifolia stems using HPLC/QTOF MS/MS and UPLC/QqQLIT‐MS/MS
Phytochemical Analysis - Tập 27 Số 2 - Trang 92-99 - 2016
Vikas Bajpai, Awantika Singh, Preeti Chandra, M.P.S. Negi, Nikhil Kumar, Brijesh Kumar
AbstractIntroductionThe stem of dioecious Tinospora cordifolia (Menispermaceae) is a commonly used traditional Ayurvedic medicine in India having several therapeutic properties.ObjectiveTo develop and validate LC‐MS methods for the identifica...... hiện toàn bộ
Chromatographic analysis of simple phenols in some species from the genus Salix
Phytochemical Analysis - Tập 21 Số 5 - Trang 463-469 - 2010
Loretta Pobłocka‐Olech, Mirosława Krauze‐Baranowska, Daniel Głód, Anna Kawiak, Ewa Łojkowska
AbstractIntroduction – Salicis Cortex, made from willow bark is a herbal remedy, which is standardised based on the content of salicin, a compound with analgesic and antiphlogistic properties. However, clinical trials suggest that other compounds also present in Salicis Cortex can contribute to the pharmacological effects.Objective – To characteris...... hiện toàn bộ
A high‐throughput monolithic HPLC method for rapid Vitamin C phenotyping of berry fruit
Phytochemical Analysis - Tập 17 Số 5 - Trang 284-290 - 2006
Paul G. Walker, Sandra Gordon, Rex Brennan, Robert D. Hancock
AbstractA rapid method for the quantification of łascorbic acid (1) in berry fruit by HPLC with photodiode array detection is presented. łAscorbic acid was resolved on a C18 monolithic column with aqueous buffer, after which the column was washed with acetonitrile to remove lipophilic...... hiện toàn bộ
Quantitative Analysis of Boeravinones in the Roots of Boerhaavia Diffusa by UPLC/PDA
Phytochemical Analysis - Tập 25 Số 5 - Trang 415-420 - 2014
Khemraj Bairwa, Amit Srivastava, Sanjay M. Jachak
ABSTRACTIntroductionBoerhaavia diffusa is a perennial herb belonging to Nyctaginaceae. Various classes of chemical constituents such as phenolics (boeravinones), terpenoids and organic acids have been reported in B. diffusa roots. As boeravinones have been proposed as putative ...... hiện toàn bộ
A bioautographic agar overlay method for the detection of antifungal compounds from higher plants
Phytochemical Analysis - Tập 2 Số 5 - Trang 199-203 - 1991
Lila Rahalison, Matthias Hamburger, Kurt Hostettmann, Michel Monod, E. Frenk
AbstractA simple bioautographic agar overlay assay using Candida albicans as the indicator organism for the detection and activity‐guided fractionation of antifungal compounds by thin layer chromatography has been developed. Inhibition of fungal growth was assessed by the detection of dehydrogenase activity with thiazolyl blue (methylthia...... hiện toàn bộ
New insights into diosgenin biosynthesis pathway and its regulation in Trigonella foenum‐graecum L.
Phytochemical Analysis - Tập 31 Số 2 - Trang 229-241 - 2020
Mohammad Mohammadi, Tooba Mashayekh, Sajad Rashidi Monfared, Amin Ebrahimi, Davar Abedini
AbstractIntroductionThroughout history, thousands of medicinal and aromatic plants have been widely utilised by people worldwide. Owing to them possessing of valuable compounds with little side effects in comparison with chemical drugs, herbs have been of interest to humans for a number of purposes. Diosgenin, driven from fenugree...... hiện toàn bộ
One‐step Separation and Purification of Three Lignans and One Flavonol from Sinopodophyllum emodi by Medium‐pressure Liquid Chromatography and High‐speed Counter‐current Chromatography
Phytochemical Analysis - Tập 24 Số 6 - Trang 603-607 - 2013
Ping Wang, Yongling Liu, Tao Chen, Wenhua Xu, Jinmao You, Yongjun Liu, Yulin Li
ABSTRACTIntroductionLignans and flavonols are the primary constituents of Sinopodophyllum emodi and have been used as cathartic, anthelmintic, chemotherapeutic and anti‐hypertensive compounds. Although these compounds have been isolated, there have been no reports on the separation of 4′‐demethyl podophy...... hiện toàn bộ
Evaluation of detection methods for the reversed‐phase HPLC determination of 3′,4′,5′‐trimethoxyflavone in different phytopharmaceutical products and in human serum
Phytochemical Analysis - Tập 12 Số 2 - Trang 104-109 - 2001
Christian W. Huck, Günther K. Bonn
AbstractQuantitative determination of the major compound, 3′,4′,5′‐trimethoxyflavone (1), in plant extracts, in tablets of Flos and of Radix Primulae veris and in human serum has been accomplished using reversed‐phase HPLC with UV, fluorescence and mass spectrometric (MS) detection. Compar...... hiện toàn bộ
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