||This article does not cite any references or sources. (December 2009)|
|Jmol-3D images||Image 1|
|Molar mass||1,229.31 g mol−1|
|Chiral rotation [α]D||−47 to −49° (10 g/100 ml 75% acetic acid at 25 °C)|
(what is: / ?)|
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Digitonin is a glycoside obtained from Digitalis purpurea; the aglycone is digitogenin, a spirostan steroid. Used as a detergent, it effectively water-solubilizes lipids. As such, it has several membrane-related applications in biochemistry, including solubilizing membrane proteins, precipitating cholesterol, and permeabilizing cell membranes.
Digitonin is sometimes confused with the cardiac drug digoxin (sometimes also called digitalis or digitoxin), but has no heart-related effects.