Method of extracting helveticoside and corchoroside a

摘要

1,139,466. Extraction of staphanthidin glycosides. KUTNOWSKIE ZAKLADY FARMACEUTYCNE "POLFA". 1 April, 1966 [2 April, 1965], No. 14698/66. Heading C2U. The invention comprises a method of extracting helveticoside and corchoroside A from seeds of Erysmium perofskianum by allowing whole seeds to ferment at 35‹ C. for three days, extracting with an alcohol, evaporating the solvent, adding water, cleaning, neutralizing with magnesium oxide, salting out the glycosides with sodium chloride, selectively extracting the glycosides and separating the helveticoside from the corchoroside A counter-currently or absorptiometrically on a column using a mixture of acetone and methanol as eluant.