phytosterinn.
/fʌɪˈtɒst(ə)rɪn/, U.S. /faɪˈtɑst(ə)rən/ Chemistry. Now historical.
= phytosterol n. (conceived as a single distinct substance).
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the world > matter > chemistry > organic chemistry > neutral substances from plants > [noun]
ulmic acid1831
pectin1833
peucedanin1836
imperatorin1838
humin1844
sycoretin1860
templin-oil1868
vanillin1868
phytosterin1881
carrageenin-
1881 H. Watts Dict. Chem. VIII. ii. 1624 Phytosterin, C26H44O... A neutral substance, identical or homologous with cholesterin, obtained from Calabar beans by extraction with petroleum-ether.
1897 Naturalist 47 Various higher alcohols and phytosterin being present therein as bases.
1933 D. Shoenberg tr. F. Rinne in Trans. Faraday Soc. 29 1019 On addition of acetone to a cold saturated solution in acetic ester of phytosterin valerate the latter..separates out as a paracrystal.
1999 HerbalGram (Nexis) Winter 35–49 In the early 20th century Finnemore confirmed phytosterin, isoferulic acid, salicylic acid, sugars, tannins, and long-chain fatty acids.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1881