Althaea officinalis (root)
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=Introduction= | =Introduction= | ||
=Macroscopic Entries= | =Macroscopic Entries= | ||
+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | description=''Althaea officinalis'' is an herbaceous perennial, | ||
+ | with a perpendicular branching root and erect woolly stems, from two to four feet or more in height, branched and leafy towards the summit. | ||
+ | The flowers are terminal and axillary, with short peduncles, each bearing one, two, or three flowers. | ||
+ | The corolla has five spreading, obcordate petals, of a pale rose color. The | ||
+ | fruit consists of numerous capsules united in a compact circular form, | ||
+ | each containing a single seed. | ||
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+ | ''Althaea'' is usually cut into small pieces about 5 mm. in diameter, of a uniform grayish-white color and otherwise having the characters of entire roots; occasionally entire, slenderly tapering, attaining a length of 30 cm. and a thickness of 2 cm., externally whitish, longitudinally furrowed, frequently spirally twisted and covered with the somewhat loosened bast-fibers; fracture of bark fibrous, of wood short and granular; internally yellowish-white; bark 1 to 2 mm. thick, porous, due to mucilage cells, and separated from the slightly radiating wood by a distinct, grayish cambium zone; odor slight; taste sweetish, mucilaginous. }} | ||
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{{Macroscopy | source=MOBOT, Tropicos.org | {{Macroscopy | source=MOBOT, Tropicos.org | ||
| mainimage=Althaea officinalis Tropicos 100107288.jpg | | mainimage=Althaea officinalis Tropicos 100107288.jpg | ||
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+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | description=The powder is whitish; starch grains numerous, from 0.003 to 0.02 mm. in diameter, usually with a long cleft at the point of origin of growth; sclerenchymatous fibers in groups, the walls being quite thick and more or less lignified; trachese with scalariform thickenings or with bordered pores; calcium oxalate crystals few, in rosette aggregates from 0.02 mm. to 0.03 mm. in diameter. }} | ||
=HPTLC Entries= | =HPTLC Entries= |
Revision as of 21:45, 12 December 2013
Contents |
Introduction
Macroscopic Entries
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Microscopic Entries
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HPTLC Entries
Marshmallow (root) (Althaea officinalis) 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: glacial acetic acid: formic acid: water [10/1.1/1.1/2.4] Sample Preparation Method 0.5 g + 5 mL MeOH sonicate/heat @ 50°C ~ 1/2 hr, cntrfg, evap w N2, qs 1mL MeOH Detection Method Natural Product Reagent + PEG -> UV 365 nm Reference see British Herbal Pharmacopoeia, 1996
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Other Points of Interest
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