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Flavans from Crinum americanum


, : Flavans from Crinum americanum. Pharmazie 43(4): 295-296

The chloroformic extract of defatted air-dried powdered bulbs yielded 4-hydroxy-7-methoxy-5-methyl-flavanol and 4-hydroxy-7-methoxyflavan.

US$29.90


Other references

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Haas, R.; Stefanescu, I.C.; Garcia-Putnam, A.; Aldenderfer, M.S.; Clementz, M.T.; Murphy, M.S.; Llave, C.Viviano.; Watson, J.T., 2017: Humans permanently occupied the Andean highlands by at least 7 ka. High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet's last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for underst...

de Lima, A.Oliveira.; Kesrouani, S.; Gomes, R.Alberto.; Cruz, J.; Mastroianni-Kirsztajn, G., 2013: Population screening for chronic kidney disease: a survey involving 38,721 Brazilians. It is known that chronic kidney disease (CKD) is continuously increasing all over the world, but the available numbers of affected subjects are mostly collected from renal replacement therapy services and they correspond to individuals with end-st...

Saunders, G.M.; Muench, H., 1937: The age distribution and the infection rate of yaws in Jamaica. In this population of 23,000 persons living in a yaws-infested rural area in Jamaica, B.W.I., the proportion of the population with yaws increases rapidly to a level of 70-80% at 15-20 yrs. of age, then gradually decreases. Annual infection rates...

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Sombid, M.; Lingas, S.I., 1973: Response of two rice varieties (IR-20 and C4-63) to different levels of decomposed rice hull with and without added inorganic fertilizer. Application of 10 t decomposed [composted?] rice hulls + 30 kg N/ha to rice cv. IR20 and C4-63 gave the highest growth rate and produced the largest panicles and highest yield of several combinations of the 2 fertilizers.