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 use of extracts from Pelargonium species or plant parts thereof, particularly from P. sidoides and P. reniforme for the prophylaxis or treatment of disease-related behavioral changes, the chronic or post-viral asthenia syndrome and/or stress-induced chronic pathological conditions as well as pharmaceutical preparations containing these extracts are described.

Abstract: The present invention relates to extracts from the bark of corynanthe species, in particular corynanthe pachyceras as well as to their use for the therapy and prophylaxis of diseases of the lower urinary tract, sexual disorders, lipid metabolism disorders, cardiovascular diseases and acute and chronic pain conditions. The present invention further relates to medicaments, dietetic food products and pharmaceutical preparations containing these extracts.

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 present invention relates to the use of trisubstituted benzopyranones for the treatment or propylaxis of pathological conditions associated with oxidative stress and/or inflammatory reactions as well as to novel trisubstituted benzopyranones and the physiologically acceptable salts thereof. The present invention further relates to plant extracts, medicaments, dietetic food products and pharmaceutical preparations containing these compounds.

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 the use of extracts from roots of Pelargonium sidoides and/or Pelargonium reniforme for the treatment of AIDS and AIDS-associated infections caused by other viruses, bacteria, in particular mycobacteria, fungi and parasites.

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: The disclosure relates to extracts from Harpagophytum procumbens with a high harpagoside content, to processes for producing them, such extracts containing no components capable of stimulating the synthesis of thromboxane B2 and cysteinylleucotrienes, and to pharmaceutical compositions containing such extracts.

Abstract: Novel 2H-1-benzopyran-2-ones (coumarin derivatives) of the general formula (I) are provided: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, X and Y are defined as in the specification, and the addition compounds thereof with physiologically compatible acids, intermediates and methods for the preparation thereof. The coumarin compounds possess a neuroprotective and anti-allergic action.