Echinacea angustifolia (root)
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=Botanical Voucher Specimen= | =Botanical Voucher Specimen= | ||
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− | + | |mainimage= Echinacea angustifolia (1) DG3502NSF A1393.jpg | |
− | + | |source= Botanical Voucher Specimen Library, Alkemists Laboratories http://www.alkemist.com | |
− | |source= Botanical Voucher Specimen Library, Alkemists Laboratories http://www.alkemist.com | + | |image2= Echinacea angustifolia (2) DG3502NSF A0102.jpg |
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=Organoleptic Characteristics= | =Organoleptic Characteristics= | ||
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{{Macroscopy | source=United States Dispensatory (1918) | {{Macroscopy | source=United States Dispensatory (1918) | ||
| description= | | description= | ||
− | 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. | + | 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. }} |
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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.}} | 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.}} | ||
− | {{Media2 |companyimage= AP-LOGO-Laboratories Crop - Copy.jpg | + | {{Media2 |cat=Microscopy|companyimage= AP-LOGO-Laboratories Crop - Copy.jpg |
| companyURL= http://www.alkemist.com | | companyURL= http://www.alkemist.com | ||
|companyimage2= AP-LOGO-Laboratories Crop - Copy.jpg | |companyimage2= AP-LOGO-Laboratories Crop - Copy.jpg | ||
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|caption2= Oleoresin found in ''Echinacea angustifolia'' root viewed under 400x with Acidified Chloral Hydrate Solution. | |caption2= Oleoresin found in ''Echinacea angustifolia'' root viewed under 400x with Acidified Chloral Hydrate Solution. | ||
|source2= Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com}} | |source2= Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com}} | ||
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=High Performance Thin Layer Chromatographic Identification= | =High Performance Thin Layer Chromatographic Identification= |
Revision as of 17:31, 17 March 2014
Contents |
Nomenclature
Echinacea angustifolia DC. Asteraceae
Standardized common name (English): Echinacea angustifolia
Botanical Voucher Specimen
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Organoleptic Characteristics
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Macroscopic Characteristics
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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 http://www.alkemist.com
- ↑ Botanical Voucher Specimen Library, Alkemists Laboratories http://www.alkemist.com http://www.alkemist.com
- ↑ United States Dispensatory (1918)
- ↑ United States Dispensatory (1918)
- ↑ United States Dispensatory (1918)
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com http://www.alkemist.com
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com http://www.alkemist.com
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com