American journal of pharmacy . holic liquids were mixed, andthe solvent removed from the dissolved substances by percentage amounts are all based on the fresh rhizome, whichcontained 70-20 per cent, of moisture. The official alcohol extracted 5-39 per cent, of the fresh extract was of a reddish-brown color. About two-thirds of itwas soluble in hot water. The aqueous solution had a neutralreaction toward litmus. It contained sugars equivalent, in theiraction on Fehlings solution, to 0-23 per cent, of glucose and 013 (4S9) 490 Rhizome of Aralia Californica, { Ju
American journal of pharmacy . holic liquids were mixed, andthe solvent removed from the dissolved substances by percentage amounts are all based on the fresh rhizome, whichcontained 70-20 per cent, of moisture. The official alcohol extracted 5-39 per cent, of the fresh extract was of a reddish-brown color. About two-thirds of itwas soluble in hot water. The aqueous solution had a neutralreaction toward litmus. It contained sugars equivalent, in theiraction on Fehlings solution, to 0-23 per cent, of glucose and 013 (4S9) 490 Rhizome of Aralia Californica, { Juur. nmrm. Oc-iubf r, 1«M. p)er cent, ot saccharose ; smaller c^uantities of mucilage were alsopresent. The aqueous solution contained a substance which reducedgold and silver salts, and precipitated calcium hydrate; this sub-stance was very probably oxalic acid, the occurrence of considerablequantities of which, as calcium oxalate, is hereafter noted. Tanninswere absent. The aqueous solution afforded heavy brownish pre- T 1 A. jse W^ Fig. I.—Rhizome with roots aud part of over^rouud stem of Aralia Californica. cipitates with phosphotungstic acid, potassium triiodide, and mer-curic potassium iodide test solution, but the substance causingthese reactions, could not be removed by agitating the aqueous solu-tion, either acidulated or made alkaline, with benzin, ether, or chloro-form ; hence they were not alkaloids. The substance which precipi- ^«•} Rhizovie of A r alia Calif arnica. 491 tated with the alkaloidal reagents was thrown out of solution uponadding to the aqueous hquid five times its volume of alcohol. The residue of the alcoholic extract of the fresh rhizome left undis-solved by water was dissolved in hot alcohol. It consisted chieflyof resinous substances. These gave a light-brown precipitate withan alcoholic solution of ferric chloride, and a similar, but lightercolored, precipitate with alcoholic solution of lead acetate. Theresinous substances were pre
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