oleoresinn.
/ˌəʊlɪəʊˈrɛzɪn/, U.S. /ˈˌoʊlioʊˈrɛz(ə)n/ (a) A natural plant product consisting of semi-solid mixture of an essential oil and a resin. Also called balsam. (b) A pharmaceutical preparation made by extracting an active plant product with a solvent and then evaporating the solvent.
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the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > balsams
balsam1682
Mecca balsam1717
oleoresin1853
1853 G. Johnston Terra Lindisfarnensis I. 248 The oleoresin of the Male-Fern is an excellent remedy for tapeworm.
1859 E. Parrish Introd. Practical Pharmacy (ed. 2) ii. xii. 197 In the oleo-resins of cardamon and ergot the fixed oils are conspicuous though inert ingredients.
1874 J. B. Barclay Materia Medica (ed. 6) 105 Cypripedium... An infusion and tincture are also used; by precipitating the tincture, an oleoresin is obtained, of which the dose is half a grain to three grains.
1893 Manufacturer & Builder May 106/2 The oleoresins of the heartwood being non-fluid, the whole turpentine flow is confined to the sapwood.
1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) xlii. 630 They [sc. natural resins] are found naturally in abundance, partly also as balsams or oleoresins.
1942 Science 31 July 112/2 The worms were apparently all expelled after two treatments with oleoresin of Aspidium, and the symptoms disappeared.
1967 Canad. Med. Assoc. Jrnl. 19 Aug. 380/2 Plant oleoresins, dissolved in acetone, were used for open patch testing.
1997 Internat. Jrnl. Plant Sci. 158 254/2 The secretion..is an oleoresin containing terpenoids..and flavonoid aglycones as its main constituents.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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