216 research outputs found

    Immunostimulants of Plant Origin

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    Our recent screening program with higher plants has revealed many low Mr compounds (e.g. alkaloids, quinones, terpenoids, phe- nolcarboxylic acids) and high Mr compounds (e.g. polysaccharides, glycoproteins) with a pronounced immunostimulating potential. The most promising low Mr compounds are some cytostatic compounds, which are known for their direct antitumoral activities at high doses and which exert immunostimulating effects when applied in minute doses. In the class of high Mr compounds, primarily some complex acidic arabinogalactans or rhamnogalacturonans (e.g. Echinacea purp., Achyrocline sat., Urtica dioica) show significant immunostimulating activities in vitro and in vivo

    Die deutschen Balten in Liv-, Est- und Kurland

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    http://www.ester.ee/record=b3787426*es

    Writing in Britain and Ireland, c. 400 to c. 800

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    New analytical monographs on TCM herbal drugs for quality proof

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    Regardless of specific national drug regulations there is an international consensus that all TCM drugs must meet stipulated high quality standards focusing on authentication, identification and chemical composition. In addition, safety of all TCM drugs prescribed by physicians has to be guaranteed. During the 25 years history of the TCM hospital Bad Kötzting, 171 TCM drugs underwent an analytical quality proof including thin layer as well as high pressure liquid chromatography. As from now mass spectroscopy will also be available as analytical tool. The findings are compiled and already published in three volumes of analytical monographs. One more volume will be published shortly, and a fifth volume is in preparation. The main issues of the analytical procedure in TCM drugs like authenticity, botanical nomenclature, variability of plant species and parts as well as processing are pointed out and possible ways to overcome them are sketched

    La géographie à la recherche de son unité

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    Isnard Hildebert. La géographie à la recherche de son unité . In: Annales de Géographie, t. 94, n°522, 1985. pp. 145-151

    Une géographie de l'Afrique : Geography of Africa, Regional essays on fundamental characteristics, issues and problems, Edited by R. Mansell Prothero

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    Isnard Hildebert. Une géographie de l'Afrique : Geography of Africa, Regional essays on fundamental characteristics, issues and problems, Edited by R. Mansell Prothero. In: Annales de Géographie, t. 80, n°439, 1971. pp. 375-376

    South Africa, de Monica M. Cole

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    Isnard Hildebert. South Africa, de Monica M. Cole. In: Annales de Géographie, t. 77, n°422, 1968. p. 493
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