Antioxidant composition
Suggested is an antioxidant composition, comprising (a) caffeic acid, (b) sinapinic acid and, optionally, (c) polyphenols, with the proviso that components (a) and (b) are present in a weight ratio of about 85:15 to about 98:2.
1. An antioxidant composition, comprising
(a) caffeic acid,
(b) sinapinic acid and, optionally,
(c) polyphenols,
with the proviso that components (a) and (b) are present in a weight ratio of about 85:15 to 98:2.
2. The composition of claim 1 , wherein it contains components (a+b) and (c) in a weight ratio of about 5:95 to about 1:99.
3. An extract, comprising
(a) caffeic acid,
(b) sinapinic acid and, optionally,
(c) polyphenols,
with the proviso that components (a) and (b) are present in a weight ratio of about 85:15 to about 98:2.
4. The extract of claim 3 , wherein it comprises
(a) 150 to 1.000 ppm caffeic acid,
(b) 10 to 50 ppm sinapinic acid, and
(c) 10 to 60% by weight polyphenols, and
is essentially filled up to 100% by weight with solvents.
5. The extract of claim 3 , wherein has a total content of hydroxycinnamic acids of about 0.5 to about 3% by weight.
6. The extract of claim 3 , wherein is obtained from plants or fruits selected from the group consisting of Açai ( Euterpe oleracea ); Aronia (e.g. Aronia arbutifolia, Aronia melanocarpa; Aronia prunifolia ); black currants and red currants (e.g. Ribes rubrum, Ribes spciatum, Ribes alpinum, Ribes schlechtendalii, Ribes multiflorum, Ribes petraeurn, Ribes trite, Ribes nigrum ); blackberries ( Rubus sp.); black carrots ( Daucus carota ); black tomatoes ( Solarium lycopersicum ); blood oranges ( Citrus sinensis ); blueberries ( Vaccinium corymbosum, Vaccinium angustifolium ); black haw ( Prunus spinosa ); bilberries ( Vaccinium ulginosum ); cloudberries ( Rubus chamaemorous ); lingonberries (e.g. Vaccinium oxycoccos, Vaccinium microcarpus, Vaccinium macrocarpus, Vaccinium erythrocarpus ); black crowberries (e.g. Empetrum nigrum, Empetrum eamesil, Empetrum rumbrum, Empetrum hermaphroditum ); elderberries (e.g. Sambucus nigra, Sambucus racemase ); hibiscus ( Hibiscus sabdariffa, Roselle ); cowberries (e.g. Vaccinium vitas idaea ); Magellan barberries (“Calafate”), Berberis microphylla, Breberis buxifolia ); Maqui berries (e.g. Aristotelia chilensis ) mountain huckleberries ( Vaccinium membranaceum ); plums and damsons ( Prunus domestica ); raspberries ( Rufous idaeus, Rubus occidentalis ); red gooseberries ( Ribes uva - crispa, Ribes grossularia ); red grapes ( Vitis vinifera, Vitis labrusca, Vitis riparia, Vitis rotundifolia ); rowanberries ( Sorbus aucparia ); sour cherries ( Prunus avium, Prunus cerasus ); strawberries ( Fragaria ananassa ); sweet cherries ( Prunus avium ); tay berries ( Rubus X).
7. The extract of claim 3 , wherein it has
(a) an ORAC value of above 5,000 and/or
(b) a polyphenol content of above 40% by weight and/or
(c) an anthocyanine content of about 6 to about 25% by weight and/or
(d) an ash content of less than 3% by weight and/or
(e) a sugar content of less than 0.25% by weight.
8. A method of production of the extract of claim 3 , wherein
(i) a juice or an extract is produced from the plants or fruits, which is then acidified,
(ii) the acidified product is passed over an adsorber column which contains as adsorption means a macroporous, crosslinked, non-functionalized polystyrene resin,
(iii) the mixture comprising components (a), (b) and (c) is desorbed by means of aqueous alcohol and finally
(iv) the eluate is dried.
9. A food or a dietary supplement, comprising the composition of claim 1 .
10. A pharmaceutical composition for the protection of the human or animal body against oxidative damage, comprising the composition of claim 1 .
11. A cosmetic means, comprising the composition of claim 1 .
12. A method to improve the oxidative stability of food, wherein an effective amount of a composition of claim 1 is added to the food.
13. A non-therapeutic method for the protection of the human or animal body against oxidative damage, wherein said body is treated with an effective amount of a composition of claim 1 .
14. A food or a dietary supplement, comprising the extract of claim 2 .
15. A pharmaceutical composition for the protection of the human or animal body against oxidative damage, comprising the extract of claim 2 .
16. A cosmetic means, comprising the extract of claim 2 .
17. A method to improve the oxidative stability of food, wherein an effective amount of an extract of claim 2 is added to the food.
18. A non-therapeutic method for the protection of the human or animal body against oxidative damage, wherein said body is treated with an effective amount of an extract of claim 2 .