Drug – bio-affecting and body treating compositions – Plant material or plant extract of undetermined constitution...
Reexamination Certificate
2006-04-18
2006-04-18
Coe, Susan D. (Department: 1655)
Drug, bio-affecting and body treating compositions
Plant material or plant extract of undetermined constitution...
C424S775000
Reexamination Certificate
active
07029710
ABSTRACT:
A method for isolating amyloid inhibitory constituents withinUncaria tomentosaplant matter. The method includes the steps of extracting the plant matter with a non-aqueous organic solvent, concentrating the extract, removing insoluble materials, precipitating amyloid inhibitory constituents with organic solvent, recovering and redissolving the amyloid inhibitory constituents obtained in organic solvent, and injecting and separation by HPLC.
REFERENCES:
patent: 4940725 (1990-07-01), Keplinger et al.
Castillo Gerardo
Snow Alan D.
Coe Susan D.
Dwyer Patrick M.
University of Washington
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