Echinacea angustifolia (root)
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{{Macroscopy | source=United States Dispensatory (1918) | {{Macroscopy | source=United States Dispensatory (1918) | ||
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− | The root is described as nearly entire, cylindrical, very slightly tapering and sometimes slightly spirally | + | The root is described as nearly entire, cylindrical, very slightly tapering and sometimes slightly spirally twisted, from 10 to 20 cm. in length and from 4 to 13 mm. in diameter, externally grayish-brown, light brown or purplish-brown, slightly annulate in the upper portion, with occasional V-shaped stem scars, somewhat longitudinally wrinkled, or furrowed; fracture short, fibrous, bark less than 1 mm. in thickness, wood thick and composed of alternate light yellowish and black wedges; the rhizome with a circular pith. Odor faint, aromatic; taste sweetish, followed by a tingling sensation suggesting aconite, but lacking the persistent and benumbing effect produced by that drug.}} |
− | twisted, from 10 to 20 cm. in length and from 4 to 13 mm. in diameter, externally | + | |
− | grayish-brown, light brown or purplish-brown, slightly annulate in the upper portion, | + | |
− | with occasional V-shaped stem scars, somewhat longitudinally wrinkled, or furrowed; | + | |
− | fracture short, fibrous, bark less than 1 mm. in thickness, wood thick and composed | + | |
− | of alternate light yellowish and black wedges; the rhizome with a circular pith. Odor | + | |
− | faint, aromatic; taste sweetish, followed by a tingling sensation suggesting aconite, | + | |
− | but lacking the persistent and benumbing effect produced by that drug.}} | + | |
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{{Microscopy | source=United States Dispensatory (1918) | {{Microscopy | source=United States Dispensatory (1918) | ||
| description= | | description= | ||
− | Under the microscope, sections show the presence of intercellular (schizogenous) oil and resin | + | Under the microscope, sections show the presence of intercellular (schizogenous) oil and resin cavities or reservoirs in both the wood and bark, numerous stone cells distinguished by the presence of a blackish, resinous substance in the intercellular spaces between them and some of the adjoining parenchyma, the latter containing masses or aggregates of inulin. The walls of the tracheae or vessels are marked with simple slitlike pores or annular and reticulate thickenings; bast fibers occur in the stem, and in some specimens true libriform or wood fibers are found.}} |
− | cavities or reservoirs in both the wood and bark, numerous stone cells distinguished | + | |
− | by the presence of a blackish, resinous substance in the intercellular spaces between | + | |
− | them and some of the adjoining parenchyma, the latter containing masses or | + | |
− | aggregates of inulin. The walls of the tracheae or vessels are marked with simple slitlike | + | |
− | pores or annular and reticulate thickenings; bast fibers occur in the stem, and in | + | |
− | some specimens true libriform or wood fibers are found.}} | + | |
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Revision as of 15:53, 14 February 2014
Contents |
Nomenclature
Botanical Voucher Specimen
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Organoleptic Characteristics
Macroscopic Descriptions
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Microscopic Characteristics
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High Performance Thin Layer Chromatographic Identification
Narrow-leaf Echinacea (root) (Echinacea angustifolia) 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 Laboratories, Costa Mesa, CA. Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates Mobile Phase ethyl acetate: MEK methylethyl ketone: HCOOH: H2O [5/3/1/1] Sample Preparation Method 0.3 g + 3 ml CH3OH sonicate 10 min NO HEAT Detection Method Natural Product Reagent + PEG -> UV 365 nm Reference see American Herbal Pharmacopoeia & Therapeutic Compendium
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Supplementary Information
Sources
- ↑ Botanical Voucher Specimen Library, Alkemists Laboratories http://www.alkemist.com
- ↑ Botanical Voucher Specimen Library, Alkemists Laboratories http://www.alkemist.com
- ↑ 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