Flavonoid derivative
The invention relates to a novel flavonoid derivative, to an extract comprising the flavonoid derivative, to the cosmetic and pharmaceutical use thereof, to preparations comprising the flavonoid derivative or extract, and to a process for the preparation of the flavonoid derivative or extract.
1. The compound [5-Hydroxy-7-methoxy-2-(4′-methoxyphenyl)-4-oxo-4H-chromen-8-yl]sulfonic acid monoester, or a physiologically acceptable salt or solvate thereof, in substantially isolated form.
2. A composition comprising the substantially isolated compound according to claim 1 and optionally excipients and/or adjuvants.
3. A composition according to claim 2 , in a medicament form.
4. A composition according to claim 2 , in a cosmetic composition form.
5. A composition according to claim 3 , in a skin-treatment composition form.
6. A composition in a form for topical use comprising:
a) the substantially isolated compound according to claim 1 ,
b) a skin-tolerated excipient, and
c) optionally one or more further active ingredients having a skin-care and/or inflammation-inhibiting action.
7. A composition according to claim 5 , which furthermore comprises one or more UV filters.
8. A composition according to claim 2 , which comprises one or more further antioxidant(s).
9. A composition according to claim 2 , which comprises one or more further compound(s) selected from the group of the flavonoids and/or coumaranones.
10. A food which is enriched with the substantially isolated compound according to claim 1 .
11. A food supplement which comprises the substantially isolated compound according to claim 1 .
12. A process for the preparation of the compound according to claim 1 which comprises extracting from plant material of the species Sidastrum acuminatum, Sidastrum - bufferense, Sidastrum E.G. Baker, Sidastrum - kicranthum, Sidastrum lodiegense, Sidastrum multiflorum, Sidastrum micranthum, Sidastrum paniculatum, Sidastrum strictum, Sidastrum tehuacanum or Sidastrum quinquenervium , to provide an extract and obtaining the compound in substantially isolated form therefrom.
13. Process according to claim 12 , characterised in that the plant material used is Sidastrum micranthum.
14. A method for preparing a cosmetic composition, a pharmaceutical composition, a food and/or a food supplement which comprises combining a compound according to claim 1 with at least one excipient suitable for a cosmetic, at least one excipient suitable for a pharmaceutical, at least one food or at least one excipient suitable for a food supplement.
15. A method for increasing the resistance of the skin to environmental influences, for increasing resistance of the skin to drying out, for treating skin ageing, for improving the skin structure, and/or for improving the formation of smooth skin which comprises topically apply to the skin a composition comprising the substantially isolated compound of claim 1 .