F.W. 1229.34 CAS #11024-24-1
Digitonin is a steroidal saponin (saraponin) obtained from the foxglove plant Digitalis purpurea. Its aglycone is digitogenin, a spirostan steroid. It has been investigated as a detergent, as it effectively water-solubilizes lipids.
An additive which stabilizes cholesterol 0.2% digitonin in buffer added to Glutaraldehyde fixative may help to stabilize and retain the fine structural localization of free cholesterol and cholesterol esters. * Okros, I Histochemie 13-91, 1968. Windaus, A. Hoop Seyler’s Z. Physio. Chem. 65:110, 1910. J. Cell Bio., 40, 802, 1969. * Temkin, Robert J. (1993); Microscopy Research and Tech. 26:260-271
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