Dear reader of these lines please contact me
if you have had or actually have experience with
the isolation of tetracyclic triterpens from dried plant
sources (i.e. roots).
I have great problems in the detection of a substance
called actein and the 27-deoxyactein, because there are no prominent
chromophores and no known and published assays for the mentioned
therefore i'm really grateful for any information concerning
the problems described.
I can be reached under my email-adress :
arach at convex.edvz.uni-linz.ac.at
or by the physical adress at:
Dr. Arno Achatz
Institute of Chemistry, Department of Analytical Chemistry
Altenbergerstr.69, A-4040 Linz, AUSTRIA
Many thanks for your message