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      Simultaneous Determination of Ferulic Acid and Phthalides of Angelica Sinensis Based on UPLC-Q-TOF/MS


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          The radix of Angelica sinensis (AS) is one of the most commonly used as a herbal medicine. To investigate the geoherbalism and quality evaluation of AS, an ultra performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UPLC-ESI-Q-TOF/MS) method was established to analyze and identify ferulic acid and phthalides in AS. The results showed that among samples collected in four regions, the relative contents of ferulic acid and phthalides were highest in samples collected in Gansu, and the samples from the four different regions were apparently classified into four groups. Meanwhile, the relative content in non-fumigated root was higher than after sulfur-fumigation and the sulfur-fumigated and non-fumigated samples were obviously divided into two groups by PCA. The paper establishes a systematic and objective evaluation system to provide a scientific basis for evaluating the quality of AS.

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          Molecular genetic and chemical assessment of radix Angelica (Danggui) in China.

          The roots of Angelica sinensis (Danggui), a traditional Chinese medicine, have been used for invigorating blood circulation for over 2000 years in China. Three common species of Angelica roots are found in Asia: A. sinensis from China, A. acutiloba from Japan, and A. gigas from Korea. By using a molecular genetic approach, the 5S-rRNA spacer domains of the three species of Angelica were amplified, and their nucleotide sequences were determined. Diversity in DNA sequences among various species was found in their 5S-rRNA spacer domains, which could serve as markers for authentic identification of Angelica roots. In chemical analyses, the main constituents of Angelica roots including ferulic acid and Z-ligustilide were determined by HPLC; roots of A. sinensis were clearly distinct in that they contained approximately 10-fold higher levels of ferulic acid and Z-ligustilide as compared to roots of A. acutiloba and A. gigas. In addition, the amounts of main constituents in roots of A. sinensis varied according to different regions of cultivation and different methods of preservation. The chemical profile determined by HPLC therefore could serve as a fingerprint for quality control of Angelica roots.
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            Natural medicine: the genus Angelica.

            More than 60 species of medicinal plants belong to the genus Angelica (Family: Apiaceae). Many of these species have long been used in ancient traditional medicine systems, especially in the far-east. Various herbal preparations containing Angelica species are available over-the-counter, not only in the far-eastern countries, but also in the western countries like USA, UK, Germany, etc. For centuries, many species of this genus, e.g. A. acutiloba, A. archangelica, A. atropupurea, A. dahurica, A. japonica, A. glauca, A. gigas, A. koreana, A. sinensis, A. sylvestris, etc., have been used traditionally as anti-inflammatory, diuretic, expectorant and diaphoretic, and remedy for colds, flu, influenza, hepatitis, arthritis, indigestion, coughs, chronic bronchitis, pleurisy, typhoid, headaches, wind, fever, colic, travel sickness, rheumatism, bacterial and fungal infections and diseases of the urinary organs. Active principles isolated from these plants mainly include various types of coumarins, acetylenic compounds, chalcones, sesquiterpenes and polysaccharides. This review evaluates the importance of the genus Angelica in relation to its traditional medicinal uses, alternative medicinal uses in the modern society and potential for drug development, and summarises results of various scientific studies on Angelica species or Angelica-containing preparations for their bioactivities including, antimicrobial, anticancer, antitumour, analgesic, anti-inflammatory, hepatoprotective, nephroprotective, etc.
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              Bioactivity-guided fractionation and GC/MS fingerprinting of Angelica sinensis and Angelica archangelica root components for antifungal and mosquito deterrent activity.

              Bioassay-guided fractionation of the chloroform extract from the roots of Angelica sinensis led to isolation and characterization of (Z)-ligustilide using direct-bioautography with Colletotrichum species. The structure of (Z)-ligustilide was confirmed by (1)H and (13)C NMR spectroscopy and GC/MS. (Z)-Ligustilide deterred the biting of two mosquito species more effectively than DEET. Three different A. sinensis accessions and one Angelica archangelica root oil were evauated by GC and GC/MS, and the dominant component in A. sinensis was 61-69% (Z)-ligustilide. Two other prominent compounds in A. sinensis oils were 5.7-9.8% (E)-3-butylidene phthalide and 1.5-2.3% (Z)-3-butylidene phthalide. The main constituents that comprised A. archangelica oil were monoterpene hydrocarbons such as 24.5% alpha-pinene, 13.8% delta-3-carene, 10.1% beta-phellandrene, 8.8% p-cymene, 8.4% limonene, and 6.3% sabinene. Phthalides and monoterpene hydrocarbons were determined to be good systematic markers or chemical fingerprints for A. sinensis and A. archangelica root oils. Chemical fingerprinting by GC/MS of A. sinensis also confirmed the misidentification of one A. archangelica sample sold in the Chinese market.

                Author and article information

                Role: Academic Editor
                13 March 2015
                March 2015
                : 20
                : 3
                : 4681-4694
                Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China; E-Mail: 13521032532@ 123456163.com
                Author notes
                [* ] Author to whom correspondence should be addressed; E-Mail: lfhuang@ 123456implad.ac.cn ; Tel.: +86-10-5783-3197; Fax: +86-10-6289-9700.
                © 2015 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/4.0/).

                : 04 January 2015
                : 25 February 2015

                ultra-performance liquid chromatography quadrupole time-of-flight tandem mass spectrometry,angelica sinensis,geoherbalism,fingerprint


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