Abstract
IN the little work that has been done hitherto on the constituents of Andrographis paniculata Nees (Acanthaceæ)1 only Bhaduri1c has claimed to have isolated a second bitter constituent in addition to the amaroid andrographolide. From the way in which he isolated and purified both products, it may be concluded that he obtained neither in a pure state.
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References
(a) Boorsma, W. A., Med.'s Lands Plant., 18, 63 (1896).(b) Gorter, K., Rec. trav. chim., 30, 151 (1911); 33, 239 (1914).(c) Bhaduri, K., Amer. J. Pharm., 84, 349 (1914).(d) Moktader, A., and Guha-Sircar, S. S., J. Ind. Chem. Soc., 16, 333 (1939).(e) Schwyzer, R., Biswas, H. G., and Karrer, P., Helv. Chim. Acta, 34, 652 (1951).
Kleipool, R. J. C., and Kostermans, D. G. F. R., Rec. trav. Chim. (in the press).
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KLEIPOOL, R. Constituents of Andrographis paniculata Nees. Nature 169, 33–34 (1952). https://doi.org/10.1038/169033c0
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DOI: https://doi.org/10.1038/169033c0
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