A companion to the United States pharmacopia; . ia, D. C. (Cupuliferce), caused by an insect. Habitat.—The Levant. Description.—See the Pharmacopoeia, page 168. They are heavy,hard, but brittle. Externally dark olive-green, or bluish-brownish-green,or blackish-gray ; internally yellowish-gray, darker toward the wall of the central cavity is hard and brittle. The substance of thenutgall contains tannin, is nearly odorless, but strongly astringent. Varieties.—Dark and heavy nutgalls are usually good. Light-colored, spongy galls of light weight are inferior. Aleppo (or Syrian) nutgalls
A companion to the United States pharmacopia; . ia, D. C. (Cupuliferce), caused by an insect. Habitat.—The Levant. Description.—See the Pharmacopoeia, page 168. They are heavy,hard, but brittle. Externally dark olive-green, or bluish-brownish-green,or blackish-gray ; internally yellowish-gray, darker toward the wall of the central cavity is hard and brittle. The substance of thenutgall contains tannin, is nearly odorless, but strongly astringent. Varieties.—Dark and heavy nutgalls are usually good. Light-colored, spongy galls of light weight are inferior. Aleppo (or Syrian) nutgalls are the best kind. California oakgalls (from Quercus lobata) are very large—aboutfive centimeters (2 inches) in diameter, externally orange-brown, inter-nally whitish and spongy, and very astringent. UNITED STATES PHARMACOPOEIA. 511 Chinese and Japanese nutgalls (from Rhus semialata) are hollow, ir-regularly shaped tuberculate formations. They are quite rich in tan-nin ; but their tannin differs in kind from that of the official druo\.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyo, bookyear1884
