Process for the preparation of a powdered extract of valerian ro

Details Process for the preparation of a powdered extract of valerian ro Process for the preparation of a powdered extract of valerian ro

1992-04-29

1993-05-18

Wityshyn, Michael G.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

426 3, A61K 3578, A23G 330

Patent

active

052119483

ABSTRACT:
An aqueous extract of valerian roots is concentrated to concentrate the extract and to eliminate odors which are volatile and which are produced by degradation products of valepotriates. An alcohol or acetone is added to the concentrated valerian extract to precipitate insoluble solids from the concentrated extract. The precipitated solids are separated from the extract, after which the extract is mixed with a carbohydrate and then dried to obtain a powder.

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The Merck Index 11th ED Merck & Co. 1989 Rahway NJ p. 1558 #9814.
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H. Braun, "Heilpflanzen-Lexikon Fur Arte und Apotheker," pp. 194-195, Gustau Fischer Verlag, Stuttgart (1974), Translation Provided.

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