Resveratrol extraction from gnetum africanum
AssigneePharmafri-Can Inc.
InventorsCarole Robert, Sue Wehner
Life of this patent
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Abstract
The invention relates to extracts and compositions from Gnetum africanum. It also concerns plant extracts enriched in resveratrol and methods for obtaining the same. Described herein are processed plant materials which comprise about 20 μg resveratrol per gram of dried plant material and plant extracts which comprise at least about 0.002% w/w resveratrol. Also described are resveratrol glycosides and compositions comprising same. The invention further encompasses food products, nutraceutical products, pharmaceutical compositions which comprise processed plant materials, plant extracts and/or resveratrol glycosides.
Claims30
A processed plant material, wherein said processed plant material is dried and comprises at least about 30 μg resveratrol per gram of dried plant material.
(canceled)
(canceled)
A plant extract comprising at least about 0.005% w/w resveratrol.
(canceled)
(canceled)
A method for obtaining a plant extract concentrated in resveratrol, comprising:
- (i) providing plant material from Gnetum africanum;
- (ii) submitting said plant material to a solvent extraction;
- and
- (iii) obtaining a plant extract concentrated in resveratrol, said plant extract comprising at least about 0,005% w/w resveratrol.
An edible product, comprising at least one of the following constituents:
- (a) a dried processed plant material comprising at least about 30 μg resveratrol per gram of dried plant material;
- (b) a plant extract comprising at least about 0.005% w/w resveratrol;
- (c) a resveratrol glycoside selected from:
- (i) a compound identifiable under detection conditions of Table 1 by the presence of a peak having a retention time of 9.1 min on a HPLC-APCI-MSD chromatogram;
- and (ii) a compound identifiable under detection conditions of Table 1 by the presence of a peak having a retention time of 9.5 min on a HPLC-APCI-MSD chromatogram.
(canceled)
A cosmetic or pharmaceutical composition comprising at least one of the following constituents:
- (a) a dried processed plant material comprising at least about 30 μg resveratrol per gram of dried plant material;
- (b) a plant extract comprising at least about 0.005% w/w resveratrol;
- (c) a resveratrol glycoside selected from:
- (i) a compound identifiable under detection conditions of Table 1 by the presence of a peak having a retention time of 9.1 min on a HPLC-APCI-MSD chromatogram;
- and (ii) a compound identifiable under detection conditions of Table 1 by the presence of a peak having a retention time of 9.5 min on a HPLC-APCI-MSD chromatograms;
- in combination with a suitable cosmetic or pharmaceutically acceptable carrier, diluent or excipient.
28-29. (canceled)
31-32. (canceled)
A method for the prevention or treatment of a disease selected from the group consisting of skin diseases, cardiovascular diseases, inflammatory diseases, blood lipids related conditions, and pain, comprising administering to a subject in need thereof at least one of the following constituents:
- (a) a dried processed plant material comprising at least about 30 μg resveratrol per gram of dried plant material;
- (b) a plant extract comprising at least about 0.005% w/w resveratrol;
- (c) a resveratrol glycoside selected from:
- (i) a compound identifiable under detection conditions of Table I by the presence of a peak having a retention time of 9.1 min on a HPLC-APCI-MSD chromatogram;
- and (ii) a compound identifiable under detection conditions of Table 1 by the presence of a peak having a retention time of 9.5 min a HPLC-APCI-MSD chromatogram.
Dependencies are inferred from the claim text.