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Journals and Conferences
Administration of 1,8-dihydroxyanthraquinone to guinea-pigs increases colonic permeability. The transfer of99mTc-labelled EDTA from mucosa to serosa was markedly increasedin vivo. In one hour 25% of the administered radioactive compound leaked out of the colon to concentrate in the urine. A similar enhanced complex transfer was observed following… (More)
Administration of 1,8-dihydroxyanthraquinone (DHA) markedly increases the permeability of guinea-pig colonic mucosa. In 1 h 25% of the administered dose of 99mTc-EDTA complex leaks through the mucosa. Orally administered loperamide blocks the 99mTc-EDTA transfer after DHA administration. Loperamide injected in situ in the ligated colon segment shows the… (More)
Rhein (1,8-dihydroxy-3-carboxyanthraquinone), in a concentration of 6 X 10(-4)M, inhibits water absorption from the colon and causes a net transfer of fluid and electrolyte into the intestinal lumen. Morphine (4 X 10(-4)M) counteracted the water and electrolyte secretion. Prior perfusion with morphine protected the large intestine from the laxative effect… (More)
Differentiation of CASSIA SENNA and C. ANGUSTIFOLIA is possible by chromatographic identification of the naphthalene glycosides.
The anthranoid composition in roots of Rheum officinale has been followed during a one year cycle. No statistical correlation could be found between total anthranoid content and time of sampling. The mean total anthranoid content was found to be 3.17%, calculated on freeze dried plant material. On the other hand the ratio anthrone/total anthranoid varied… (More)
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