Echinacea angustifolia (root)
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=Introduction= | =Introduction= | ||
− | + | =Macroscopic Entries= | |
+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | 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. 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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{{Macroscopy | source=Botanical Voucher Specimen Library, Alkemists Laboratories | {{Macroscopy | source=Botanical Voucher Specimen Library, Alkemists Laboratories | ||
| mainimage=Echinacea angustifolia (1) DG3502NSF A1393.jpg | | mainimage=Echinacea angustifolia (1) DG3502NSF A1393.jpg | ||
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=Microscopic Entries= | =Microscopic Entries= | ||
+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | description=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.}} | ||
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{{Microscopy | source=Elan M. Sudberg, Alkemist Laboratories | {{Microscopy | source=Elan M. Sudberg, Alkemist Laboratories | ||
| companyimage= AP-LOGO-Laboratories Crop - Copy.jpg | | companyimage= AP-LOGO-Laboratories Crop - Copy.jpg |
Revision as of 22:11, 31 December 2013
Contents |
Introduction
Macroscopic Entries
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Microscopic Entries
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HPTLC Entries
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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Other Points of Interest
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