Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Conjugate or complex
Patent
1995-07-14
1997-08-26
Rollins, John W.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Conjugate or complex
424DIG8, A61K 3578
Patent
active
056608322
ABSTRACT:
Pesticide-poor concentrates of active components of plants are obtained in that in a first step plants or parts thereof, which may be charged in fresh or dried state, are extracted with at least one polar solvent at a measured pH-value in the range from 3.2 to 9.8 in such a way, that in the obtained primary extract are contained mainly the desired plant components, accompanied by undesired plant components, accompanying substances and pesticides, in a second step said primary extract is contacted with adsorber resin(s) in such a way, that on one hand the desired plant components are adsorbed thereon, and on the other hand the solution with the undesired plant components, the accompanying substances and pesticides are separated from the charged resin, in a third step the desired plant components are desorbed from said resin with at least one solvent, and in a fourth step the solvent(s) is (are) removed either partially or completely, and by this way a concentrate of active components is obtained. These concentrates of active components may be used in products of the pharma, cosmetic and food industry.
REFERENCES:
patent: 3878299 (1975-04-01), Vilain et al.
patent: 3925547 (1975-12-01), Henkin et al.
Colombi Renato
Steiner Rudolf
Emil Flachsmann AG
Rollins John W.
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