EXTRACTUM VALERIANAE
\ˈɛkstɹaktəm valˈi͡əɹɪˌaniː], \ˈɛkstɹaktəm valˈiəɹɪˌaniː], \ˈɛ_k_s_t_ɹ_a_k_t_ə_m v_a_l_ˈiə_ɹ_ɪ__ˌa_n_iː]\
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The virtues of the valerian being dependent upon its essential oil, this is an objectionable preparation. A fluid extract of Valerian Extractent Valerianae fluidum, has been introduced into the last edition of the Pharmacopoeia U. S. (1851). It is prepared by exhausting the valerian by ether and alcohol, through the percolator, and evaporating.
By Robley Dunglison
