Experiments and observations on a new species of bark, showing its great efficacy in very small doses : also a comparative view of the powers of the red and quilled bark ; being an attempt towards a general analysis and compendious history of the valuable genus of cinehona, or the Peruvian bark.

  • Kentish, Richard.
Date:
1784
Catalogue details

Licence: Public Domain Mark

Credit: Experiments and observations on a new species of bark, showing its great efficacy in very small doses : also a comparative view of the powers of the red and quilled bark ; being an attempt towards a general analysis and compendious history of the valuable genus of cinehona, or the Peruvian bark. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

    107/136 page 95
    I of k efts fa tea' any ■P W6 effl 0/ [ 95 ] other preparation. The decodlion is often better ftomachic medicine than the in- rufion ; and the tincture in fpirit is gene- rally an excellent addition to either, as it unites powerfully both the active principles of the bark. Wine is very much inferior to fpirit, but when devoid of acid, may be ufed with advantage. In the tinflura corticis Peruviani compofita (Edin.) the addition of fnakeroot and gentian was certainly of fervice, though the college has omitted thefe ingre- dients and the tinflure, in their laft edition of the Difpenfatory. Huxham’s tincture of the bark appears to be a good preparation, and we have often found the addition of canella alba of great fervice to the tindhire, infufion, decoffion, or powder of bark. The extract of bark has lately fallen into difrepute: 'indeed, like fome other prepa- rations of the bark, it has been much mif- underftood. Under the fame word may be included two preparations very different. The watery extract is chiefly compofed of the affringent gum, and the fpirituous extract of the bitter refin. This knowledge is of the greateft utility in practice ; for although we may commit the miflake with impunity in the
    digitised image 1
    digitised image 2
    digitised image 3