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Re: Problems with hay grown on land prevoiusly planted to ginsen
The active components of ginseng are saponins called
ginsenosides. Saponins are poorly absorbed, so most of their
physiological effects are exerted in the gut. If they are
absorbed, they cause red blood cell hemolysis, which would
be evident by the excretion of red urine, due to excretion
of hemoglobin metabolites arising from the breakdown of the
rbc. A recent paper " Ginsenosides in roots and leaves of
American ginseng " J Agr Food Agr 44: 717-720 was published
by G. Mazza of Ag Canada, Summerland, BC which is just down
the road from you. His e-mail address is : mazzag@em.agr.ca.
I have never seen any reports on the toxicity og ginseng to
livestock. If anyone knows of any, please let me know. I am
revising my book " Natural Toxicants in Feeds, Forages and
Poisonous Plants " which has a section on saponins. If
ginseng is toxic to livestock, I'd like to include reference
to it. I also suggest that you contact Dave Dyble, Pro Form
Feeds, Abbotsford, BC. He has some knowledge of ginseng. His
number is 1-800-663-2267.
Hope this is useful.
Peter R Cheeke, Dept of
Animal Science, OSU, Corvallis OR 97331; Tel 541-737 - 1917;
FAX 541-737-4174.
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