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frangula_purshiana_dc._a._gray [2014/11/28 12:29] andreas |
frangula_purshiana_dc._a._gray [2015/06/13 11:38] (aktuell) |
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"A tree, 4-10m high, with reddish-brown bark and hairy twigs. Leaves petiolate, elliptical, acuminate, serrulate, or sometimes entire, with 10-15 pairs of veins, dull green upper surface and pubescent underside. Inflorescence an axillary umbellate cyme of small greenish flowers. Fruit a turbinate, purplish-black drupe, about 8mm long, composed of 3 indehiscent cocci. \\ | "A tree, 4-10m high, with reddish-brown bark and hairy twigs. Leaves petiolate, elliptical, acuminate, serrulate, or sometimes entire, with 10-15 pairs of veins, dull green upper surface and pubescent underside. Inflorescence an axillary umbellate cyme of small greenish flowers. Fruit a turbinate, purplish-black drupe, about 8mm long, composed of 3 indehiscent cocci. \\ | ||
The fresh bark contains free anthrones and must be dried for at least 1 year or artificially aged by heat or aeration before therapeutic use. \\ | The fresh bark contains free anthrones and must be dried for at least 1 year or artificially aged by heat or aeration before therapeutic use. \\ | ||
- | Contains not less than 8.0% hydroxyanthracene glycosides of which not less than 60% consists of cascarosides, | + | Contains not less than 8.0% hydroxyanthracene glycosides of which not less than 60% consists of cascarosides, |
- | The active constituents are hydroxyanthracene glycosides (6-9%). Of these, 70-90% are C-10 glycosides, with the 8-O-glycosides, | + | The active constituents are hydroxyanthracene glycosides (6-9%). Of these, 70-90% are C-10 glycosides, with the 8 -O-glycosides, |
[Cortex Rhamni Purshianae, WHO Monographs on Selected Medicinal Plants - Volume 2, 2004] [[http:// | [Cortex Rhamni Purshianae, WHO Monographs on Selected Medicinal Plants - Volume 2, 2004] [[http:// | ||