phytosteroln.
/fʌɪˈtɒstərɒl/, U.S. /faɪˈtɑstəˌrɔl/, /faɪˈtɑstəˌrɑl/ Biochemistry.
Any sterol which is found in plant tissues (at first supposed to represent a single distinct substance analogous to cholesterol).
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cinchol1885
cholesterol1894
phytosterol1898
sitosterol1898
stigmasterol1907
lanosterol1929
suprasterol1930
lumisterol1932
tachysterol1933
1898 Jrnl. Chem. Soc. 74 i. 598 The soluble fat, which is dark green, consists principally of the ethereal salts of phytosterol, C26H44O + H2O (melting at 137°), and oleic and palmitic acids.
1906 Jrnl. Chem. Soc. 90 ii. 311 The author has submitted a number of cholesterols and phytosterols to Neuberg and Rauchwerger's colour test.
1915 J. London Jacket v. 34 Professor Schleimer had similarly been collaborating with me in the detection of phytosterol in mixtures of animal and vegetable fats.
1939 B. S. Meyer & D. B. Anderson Plant Physiol. xxiii. 396 Cholesterol is not known to occur in the higher plants, but a number of similar compounds, known as the phytosterols, have been isolated from plant tissues.
1996 Here's Health Oct. 74/2 Soya beans contain compounds known as phytosterols which work to inhibit our uptake of cholesterol.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1898