Use of pterocarpans as active anti-cellulite ingredients

Preparation according to any one of the preceding claims, wherein

• the total quantity of compounds of formula (I) is 0.001-1% by weight, preferably 0.005-0.5% by weight, particularly preferably 0.01-0.2% by weight and, in particular preferably 0.02-0.1% by weight, and/or
• the total quantity of an extract according to claim 12 is 0.001-5% by weight, preferably 0.01-0.5% by weight and particularly preferably 0.02-0.2% by weight based on the extract dry mass, and/or
• the total quantity of the compounds of formula (Xa) is 0.005-10% by weight, preferably 0.05-5% by weight and particularly preferably 0.5-2.5% by weight, and/or
• the total quantity of agonists of beta-adrenergic receptors is 0.0001-0.1% by weight, preferably 0.001-0.05% by weight and particularly preferably 0.002-0.02% by weight,
• in each case based on the total preparation.

Plant extract containing one, two or more compounds of formula (I)

• wherein the radicals R1 to R8, independently of one another, signify hydrogen, hydroxy or C1-C4-alkoxy, and/or two adjacent radicals together form a methylenedioxy group,
• produced or capable of being produced by a method comprising or consisting of the steps:
• (1) providing wood, preferably rasped wood material, from plants of the genus Bobgunnia,
• (2) adding an extraction agent to the wood provided in step (1), selected from
• A) the group consisting of methanol, ethanol, n-propanol, isopropanol and mixtures of two or more of these extraction agents, or
• B) the group consisting of mixtures of water and one or more of the substances methanol, ethanol, n-propanol and isopropanol,
• (3) up to 24 h extraction of the wood to which the extraction agent was added in step (2) to obtain a crude extract, and
• (4) treating the crude extract obtained in step (3) with activated carbon to obtain the extract with a photo-irritation factor according to OECD guideline 432 in the version adopted on 13 Apr. 2004 of less than 5, preferably less than 2.

Use of a compound of formula (I) or a salt of a compound of this type or a mixture containing two or more of these compounds or the salts thereof

• (i) for producing a cosmetic or pharmaceutical preparation for preferably topical prevention, treatment or reduction of cellulite and/or
• (ii) for the non-therapeutic
• reduction of the lipid quantity contained in subcutaneous fat tissue, and/or
• inhibition of the differentiation of preadipocytes, and/or
• inhibition of the lipogenesis in adipocytes,
• wherein the radicals R1 to R8, independently of one another, signify hydrogen, hydroxy or C1-C4-alkoxy, and/or two adjacent radicals together form a methylenedioxy group.