Showing 81 - 100 results of 483 for search '"alkaloid"', query time: 0.05s Refine Results
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    Rapid Determination of 26 Pyrrolizidine Alkaloids in Milk Power and Liquid Milk by Solid Phase Extraction Combined with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry by CHEN Yankai

    Published 2024-12-01
    Subjects: “…solid phase extraction; ultra-high performance liquid chromatography-tandem mass spectrometry; milk powder and liquid milk; pyrrolizidine alkaloids…”
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  4. 84

    Codeine 3-O-demethylase catalyzed biotransformation of morphinan alkaloids in Escherichia coli: site directed mutagenesis of terminal residues improves enzyme expression, stability and biotransformation yield by Garrick W. K. Spencer, Xu Li, Kenny W. L. Lam, George Mutch, Fiona H. Fry, Sally L. Gras

    Published 2025-01-01
    “…Abstract The cultivation of opium poppy is the only commercially viable source of most morphinan alkaloids. Bioproduction of morphinan alkaloids in recombinant whole-cell systems provides a promising alternate source of these valuable compounds. …”
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    Drug Target Investigation of <i>N</i>-<i>p</i>-Coumaroyl-<i>N</i>’-Caffeoylputrescine, a Naturally-Occurring Alkaloid Derived from <i>Saxifraga tangutica</i> by Chuang Liu, Jun Dang, Minchen Wu

    Published 2024-12-01
    “…<i>Saxifraga tangutica</i> is a traditional Tibetan medicine with excellent antioxidant properties. In this study, an alkaloid, <i>N</i>-<i>p</i>-coumaroyl-<i>N</i>’-caffeoylputrescine (PCC), was first isolated from the plant, <i>Saxifraga tangutica</i>, with a DPPH scavenging rate of 0.936 μg/mL. …”
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    UPLC-HRESI-MS and GC-MS analysis of the leaves of Nicotiana glauca by Massadeh Rafeef K., El-Elimat Tamam, Al-Gharaibeh Mohammad, Tawaha Khaled, Alali Feras Q.

    Published 2022-03-01
    “…Anabasine, a piperidine alkaloid, was identified as the major constituent with approximately 60 % (m/m) of the alkaloid-rich fraction. …”
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