Actaea racemosa (root and rhizome)
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"Rhizome horizontal, more or less branching, from 2 to 12 cm. in length, and from 1 to 2.5 cm. in thickness; externally dark brown, slightly annulate from circular scars of bud scale-leaves, the upper surface with numerous stout, erect or somewhat curved branches terminated by deep, cup-shaped sears, each of which usually shows a distinct radiate structure; inferior and lateral portions with numerous root-scars and a few short roots; fracture horny; internally whitish and mealy or dark brown and waxy, bark thin, wood distinctly radiate and of about the same thickness as the pith... Roots somewhat cylindrical or obtusely quadrangular, from 1 to 3 mm. in thickness, externally dark brown, longitudinally wrinkled; fracture short; internally bark dark brown, wood yellowish, 4 to 6-rayed." | "Rhizome horizontal, more or less branching, from 2 to 12 cm. in length, and from 1 to 2.5 cm. in thickness; externally dark brown, slightly annulate from circular scars of bud scale-leaves, the upper surface with numerous stout, erect or somewhat curved branches terminated by deep, cup-shaped sears, each of which usually shows a distinct radiate structure; inferior and lateral portions with numerous root-scars and a few short roots; fracture horny; internally whitish and mealy or dark brown and waxy, bark thin, wood distinctly radiate and of about the same thickness as the pith... Roots somewhat cylindrical or obtusely quadrangular, from 1 to 3 mm. in thickness, externally dark brown, longitudinally wrinkled; fracture short; internally bark dark brown, wood yellowish, 4 to 6-rayed." | ||
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|caption1=Root, cut and sifted | |caption1=Root, cut and sifted | ||
|source=Alkemist Laboratories}} | |source=Alkemist Laboratories}} | ||
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=Microscopic Characteristics= | =Microscopic Characteristics= | ||
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"... sections of the root ... show a hairy epidermis, which becomes suberized in older roots; the cortex shows about 12 rows of starch-bearing parenchyma cells; endodermis distinct; fibro-vascular bundles 4 to 6, showing in older roots as separate collateral bundles. The powder is light to dark brown; starch grains numerous, single or compound, the individual grains spherical or more or less polygonal, each with a somewhat central cleft, from 0.003 to 0.015 mm. in diameter; fragments showing trachea with bordered pores and lignified wood-fibers; irregular, yellowish-brown fragments of suberized epidermis made up of more or less tabular cells, sometimes elongated and considerably thickened." | "... sections of the root ... show a hairy epidermis, which becomes suberized in older roots; the cortex shows about 12 rows of starch-bearing parenchyma cells; endodermis distinct; fibro-vascular bundles 4 to 6, showing in older roots as separate collateral bundles. The powder is light to dark brown; starch grains numerous, single or compound, the individual grains spherical or more or less polygonal, each with a somewhat central cleft, from 0.003 to 0.015 mm. in diameter; fragments showing trachea with bordered pores and lignified wood-fibers; irregular, yellowish-brown fragments of suberized epidermis made up of more or less tabular cells, sometimes elongated and considerably thickened." | ||
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− | + | |mainimage=Alkemists Actaea racemosa brown suberized cells.png | |
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| caption1=Brown suberized cells (400X, Acidified chloral hydrate solution) | | caption1=Brown suberized cells (400X, Acidified chloral hydrate solution) | ||
|source=Elan M. Sudberg, Alkemist Laboratories}} | |source=Elan M. Sudberg, Alkemist Laboratories}} | ||
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=High Performance Thin Layer Chromatographic Identification= | =High Performance Thin Layer Chromatographic Identification= | ||
{{HPTLC | source=AHPA Practical, CAMAG HPTLC | {{HPTLC | source=AHPA Practical, CAMAG HPTLC |
Revision as of 23:46, 15 March 2014
Contents |
Nomenclature
Actaea racemosa L. Ranunculaceae
Syn. Cimicifuga racemosa (L.) Nutt.
Standardized common name (English): black cohosh
Botanical Voucher Specimen
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[[Category:Tropicos.org. Missouri Botanical Garden. 05 Aug 2013 <http://www.tropicos.org/Image/100105518>]]
Organoleptic Characteristics
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Macroscopic Characteristics
Microscopic Characteristics
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