Garcinia hanburyi (gum resin)
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=Introduction= | =Introduction= | ||
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=Macroscopic Entries= | =Macroscopic Entries= | ||
| + | {{Macroscopy | source=United States Dispensatory (1918) | ||
| + | | description=The official description is [in part] as follows: | ||
| + | "In hard, brittle, cylindrical pieces, usually hollow in the center, from 2 to 5 cm. in diameter, from 10 to 20 cm in length, externally grayish-orange-brown, longitudinally striate; fracture conchoidal, smooth, orange-red: odorless; taste very acrid. When rubbed with water it yields a yellow emulsion which becomes darker and almost transparent upon the addition of ammonia water. The emulsion turns green upon the addition of iodine T.S. (starch)." U.S. | ||
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=Microscopic Entries= | =Microscopic Entries= | ||
| + | {{Macroscopy | source=United States Dispensatory (1918) | ||
| + | | description=The official description is [in part] as follows: | ||
| + | "The powder is bright yellow, containing few or no starch grains. When mounted in hydrated chloral T.S. and examined under the microscope the particles, for the most part, slowly dissolve, leaving scattered fragments of vegetable tissues. Not less than 65 per cent. of Gamboge is soluble in alcohol." U.S. | ||
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{{Microscopy | source=Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. | {{Microscopy | source=Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. | ||
Revision as of 20:50, 13 December 2013
Contents |
Introduction
Macroscopic Entries
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Microscopic Entries
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HPTLC Entries
Other Points of Interest
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