Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Patent
1989-01-13
1990-10-30
Griffin, Ronald W.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
536 5, 514879, 4241951, A61K 3578, C07H 1520
Patent
active
049668935
ABSTRACT:
Ginsenosides Rb.sub.1 and Rg.sub.1 enhance the avaiability of acetylcholine in the cortical and hippocampal regions of the brain and alleviate the symptoms of Alzheimer-type senile dementia.
Pure Rb.sub.1 is isolated from a mixture of ginsenosides by a process involving vacuum chromatography on silica gel. Preferably, the mixture of ginsenosides is enriched in Rb.sub.1 by partition between an aqueous system and water ethyl acetatebutanol.
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Benishin Christina G.
Liu Hsing J.
Pang Peter K. T.
Wang Lawrence C. H.
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