neocnidilide/ligusticum

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Simultaneous analysis of seventeen chemical ingredients of Ligusticum chuanxiong by on-line high performance liquid chromatography-diode array detector-mass spectrometry.

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An on-line high performance liquid chromatography (HPLC)-diode array detector (DAD)-mass spectrometry (MS) analytical method has been developed to simultaneously separate and identify seventeen main constituents of Chuanxiong ( Ligusticum chuanxiong Hort.), a traditional Chinese medicinal herb. In

[Analysis of volatile oils of Ligusticum chuanxiong Hort. from different geographical origins by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry].

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The volatile oils of 23 Ligusticum chuanxiong Hort. samples from 4 different regions were analyzed by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC x GC/TOF MS). The group-type separation of 4 terpenoids and phthalides was well accomplished based on a DB-Petro

[Studies on the chemical constituents of Ligusticum sinense].

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OBJECTIVE To study the chemical constituents of Ligusticum sinense. METHODS The chemical constituents were isolated and purified by column chromatography on silica gel and Sephadex LH-20; Using spectroscopy methods to elucidate their structures. RESULTS Nine compounds were isolated and identified as

GC-MS fingerprints for discrimination of Ligusticum chuanxiong from Angelica.

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A GC-MS fingerprinting technique based on the essential oil components has been developed for the discrimination of chuanxiong against Chinese Angelica (Angelica sinensis (Oliv.) Diels) or other herbs with similar compositions. The analytical performance of four different extraction methods for the

HPLC-coupled spectroscopic techniques (UV, MS, NMR) for the structure elucidation of phthalides in Ligusticum chuanxiong.

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Ligusticum chuanxiong Hort., a plant that is frequently used in traditional Chinese medicine, has been studied using HPLC-coupled spectroscopic techniques such as HPLC-UV, HPLC-MS as well as HPLC-NMR. With the aid of these modern spectroscopic techniques, the main constituents, namely senkyunolide

Melanogenesis Inhibitors from the Rhizoma of Ligusticum Sinense in B16-F10 Melanoma Cells In Vitro and Zebrafish In Vivo.

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The rhizoma of Ligusticum sinense, a Chinese medicinal plant, has long been used as a cosmetic for the whitening and hydrating of the skin in ancient China. In order to investigate the antimelanogenic components of the rhizoma of L. sinense, we performed an antimelanogenesis

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