Frangula purshiana (bark)
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{{Macroscopy | source=United States Dispensatory (1918) | {{Macroscopy | source=United States Dispensatory (1918) | ||
− | | description=''Rhamnus purshiana'' is a small tree, attaining a height of twenty | + | | description=''Rhamnus purshiana'' is a small tree, attaining a height of twenty feet. Its leaves are rather thin, elliptic, for the most part briefly acutely |
− | feet. Its leaves are rather thin, elliptic, for the most part briefly acutely | + | pointed, finely serrated, at the base obtuse, somewhat pubescent beneath, from two to seven inches long and from one to three wide. The rather large flowers are in somewhat umbellate cymes; the sepals five; the minute cucullate petals bifid at the apex. The fruit is black, broadly obovoid, four lines long, three-lobed, and three-seeded. The seeds are convex on the back, with a lateral raphe. |
− | pointed, finely serrated, at the base obtuse, somewhat pubescent | + | |
− | beneath, from two to seven inches long and from one to three wide. The | + | |
− | rather large flowers are in somewhat umbellate cymes; the sepals five; | + | |
− | the minute cucullate petals bifid at the apex. The fruit is black, broadly | + | |
− | obovoid, four lines long, three-lobed, and three-seeded. The seeds are | + | |
− | convex on the back, with a lateral raphe. | + | |
Usually in flattened or transversely curved pieces, | Usually in flattened or transversely curved pieces, |
Revision as of 19:45, 17 March 2015
Contents |
Nomenclature
Frangula purshiana (DC.) J.G. Cooper Rhamnaceae
Standardized common name (English): cascara sagrada
Botanical Voucher Specimen
Organoleptic Characteristics
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Macroscopic Characteristics
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Microscopic Characteristics
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High Performance Thin Layer Chromatographic Identification
Cascara (bark) (Rhamnus purshiana) Lane Assignments Lanes, from left to right (Track, Volume, Sample):
Reference materials used here have been authenticated by macroscopic, microscopic &/or TLC studies according to the reference source cited below held at Alkemists Pharmaceuticals, Costa Mesa, CA. Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates Mobile Phase ethyl acetate: methanol: water [10/1.35/1] Sample Preparation Method 0.3 g + 3 ml CH3OH sonicate/heat @ 50° C ~ 1/2 hr Detection Method Natural Product Reagent + PEG -> UV 365 nm Reference see Plant Drug Analysis, Wagner, H., 1996
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Supplementary Information
Sources
- ↑ United States Dispensatory (1918)
- ↑ United States Dispensatory (1918)
- ↑ United States Dispensatory (1918)
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com