Biomedical subjects
F H van Os
Publications and source records attributed to F H van Os.
The composition of the essential oil in the leaves of Coleus aromaticus Bentham and their importance as a component of the species antiaphthosae Ph. Ned. Ed. V.
The leaves of Coleus aromaticus Bentham were used in the East Indian archipelago, mainly in cases of aphthous stomatitis. For this purpose the Dutch Pharmacopoeia Ed. v introduced the Species antiaphthosae with Coleus leaves as an active component, because of their antiseptic qualities. Older research ascribed this activity to carvacrol and perhaps thymol. However, in more recent research in India eugenol and methyleugenol were also found to occur in this oil. Our investigations on original leaves from Java by GC-MS showed the absence of eugenol and methyleugenol, which leads us to the conclusion that on Java another chemotype occurs.
Anthraquinone derivatives in vegetable laxatives.
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Some aspects of the pharmacology of anthraquinone drugs.
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[Botanical products and their study methods in the Dutch Pharmacopoeia, 7th edition, Part I].
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The heredity of the essential oil composition in artificial hybrids between Mentha rotundifolia and Mentha longifolia.
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[Chemical analysis of active Digitalis substances in relation to the selection of chemical types].
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[The essential oil of Mentha arvensis L. subsp. austriaca (Jaquin) Briquet].
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[The microbiological purity of starch].
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[Legalized flight from reality?].
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[Plants with cytostatic effect].
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[Determination method for menthol in Oleum menthae piperitae].
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[The significance of the study of old books on herbs for the finding of herbal agents with cytostatic activity. Introduction to D.C. Harrod's article].
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[Terminology for thin layer chromatography. Coordination of proposals to arrive at a standardized Dutch professional nomenclature].
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[Clubmoss or lycopodium as a medicinal herb].
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[A comparative study of various new methods for the determination of sennosides in Senna leaf and Senna fruit].
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