Abstract: The present invention relates to an improved multi-step method for preparing an extract from ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones, wherein the depletion is carried out by filtration over an adsorber resin and/or an ion exchanger and the substances to be removed are retained on the resin. The invention further relates to an extract from ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones, which is obtainable by the method according to the present invention, as well as to its use.

Abstract: The present invention relates to an improved multi-step method for preparing an extract from ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones, wherein the depletion is carried out by filtration over an adsorber resin and/or an ion exchanger and the substances to be removed are retained on the resin. The invention further relates to an extract from ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones, which is obtainable by the method according to the present invention, as well as to its use.

Abstract: The invention relates to extracts from Sophora species, to a method for producing the same and to their use in the prophylaxis and therapy of pathological conditions that are caused by estrogen deficiency or by other hormonal dysregulations.

Abstract: The invention relates to an improved and stable (i.e. color-stable and, optionally, stable with regard to its hyperforin content) extract from the overground parts of Hypericum perforatum L., to a method for the preparation thereof, and to pharmaceutical preparations and topical medicaments that contain this extract; in particular, gels for treating skin and mucous membrane irritations and disorders such as acne, atopic dermatitis, neuro-dermatitis, psoriasis, stomatitis, herpes zoster, herpes labialis (lip herpes), warts, varicella (chicken-pox), sores, burns and other bacterial and viral skin and mucous membrane infections and skin disorders that are accompanied by cell proliferation and inflammation.

Abstract: The present invention relates to a method for preparing an extract from Ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones compared to the original extract. The invention further relates to extracts from Ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones compared to the original extract, which is obtainable by the method according to the present invention, as well as to their use.

Abstract: The present invention relates to an improved multi-step method for preparing an extract from ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones, wherein the depletion is carried out by filtration over an adsorber resin and/or an ion exchanger and the substances to be removed are retained on the resin. The invention further relates to an extract from ginkgo biloba having a reduced content of 4?-O-methyl pyridoxine and/or biflavones, which is obtainable by the method according to the present invention, as well as to its use.

Abstract: Novel extracts from hop with an increased content of prenylated chalcones and flavones, methods for producing the same, pharmaceutical preparations comprising such extracts of hop and use of these extracts of hop for the prophylaxis and treatment of pathological conditions caused by oestrogen deficiency or by dysregulations to sex-hormone-related metabolism are described.

Abstract: The invention relates to an improved and stable (i.e. colour-stable and, optionally, stable with regard to its hyperforin content) extract from the overground parts of Hypericum perforatum L., to a method for the preparation thereof, and to pharmaceutical preparations and topical medicaments that contain this extract; in particular, gels for treating skin and mucous membrane irritations and disorders such as acne, atopic dermatitis, neuro-dermatitis, psoriasis, stomatitis, herpes zoster, herpes labialis (lip herpes), warts, varicella (chicken-pox), sores, burns and other bacterial and viral skin and mucous membrane infections and skin disorders that are accompanied by cell proliferation and inflammation.

Abstract: The invention relates to the use of extracts from Sophora flavescens or Sophora subprostrata< for the prophylaxis and therapy of pathological conditions that are caused by estrogen deficiency or by other dysregulations of the sex hormone metabolism, especially of the estrogen metabolism.

Abstract: The invention relates to extracts from Sophora species, to a method for producing the same and to their use in the prophylaxis and therapy of pathological conditions that are caused by estrogen deficiency or by other hormonal dysregulations.

Abstract: Described are salts of hyperforin and adhyperforin of formula I [A−]m[B]p+  (I) wherein m is an integer from 1 to 3, p is equal to m and gives the total number of positive charges of the residue [B], [A−] is an anion of formula II with n=0 or 1 and [B]p+ is an ion of an alkali metal or an ammonium ion of a salt-forming nitrogen base of formula III wherein R1 through R4 have a variety of meanings including hydrogen, alkyl, cycloalkyl and similar groups which in turn may be substituted with one or more substituents. The salts serve inter alia for enriching or purifying hyperforin and adhyperforin from St. John's Wort extracts. Pharmaceutical preparations containing the salts are used for treating Alzheimer's Disease.

Abstract: Disclosed is an improved extract of Hypericum perforatum L. (St. John's wort) containing Hyperforin, in which the Hyperforin is stabilized against decomposition or degradation by means of a stabilizer.

Abstract: The invention relates to the use of hyperforin and hyperforin-containing extracts of Hypericum perforatum L. (St. John's wort) in the treatment and prophylaxis of dementia diseases, including Alzheimer's disease, as well as the use of hyperforin and hyperforin-containing extracts for the preparation of a medicament for the treatment and prophylaxis of such dementia diseases.

Abstract: Disclosed is an improved extract of Hypericum perforatum L. (St. John's wort) containing Hyperforin, in which the Hyperforin is stabilized against decomposition or degradation by means of a stabilizer.

Abstract: Disclosed is an improved extract of Hypericum perforatum L. (St. John's wort) containing Hyperforin, in which the Hyperforin is stabilized against decomposition or degradation by means of a stabilizer.

Abstract: In the new on-line preparative method, and in the inventive apparatus, the addition of flow medium during chromatography can be varied in parallel, locally and temporally. It is thus possible to improve sections of a total chromatogram in their separation by choosing for such partial problems the optimum compositions of the flow medium. The separations are basically obtained in two different ways: (1) Circular separations are carried out with the help of centrifugal force using a sequential technical flow medium supply, wherein the separation occurs from the inside to the outside. The separated substances can be returned through recycling to the inside of the layer. (2) Anticircular separations are carried out with the help of capillary force using a circular solvent supply, wherein the substance zones are concentrated and/or further developed from the outside to the inside.