leucinen.

Brit.

/ˈl(j)uːsiːn/, U.S.

/ˈlusən/,

/ˈluˌsin/

Forms: Also †leucin.

Etymology: < French leucine (H. Braconnot 1820, in Ann. de Chim. et de Physique XIII. 119), < Greek λευκός white + -ine suffix⁵.

Chemistry.

A white crystalline substance, known also as amido-caproic acid (C₆H₁₃NO₂), one of the principal products of the decomposition of nitrogenous matter: an amino-acid that is one of the principal constituents of proteins.

ΚΠ

1826 W. Henry Elem. Chem. II. 395 A peculiar white matter, called by Braconnot leucine.

1847–9 Todd's Cycl. Anat. & Physiol. IV. i. 164/2 Leucin..is a crystalline substance closely resembling cholesterine in appearance.

1885 I. Remsen Introd. Study Compounds of Carbon (1888) 194 Leucine is found very widely distributed in the animal kingdom, as in the spleen, pancreas, and brain.

attributive.1896 T. C. Allbutt et al. Syst. Med. I. 177 Microscopic examination..might shew..leucin balls.

This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2022).

单词	leucine
释义	leucinen. Brit. /ˈl(j)uːsiːn/, U.S. /ˈlusən/, /ˈluˌsin/ Forms: Also †leucin. Etymology: < French leucine (H. Braconnot 1820, in Ann. de Chim. et de Physique XIII. 119), < Greek λευκός white + -ine suffix⁵. Chemistry. A white crystalline substance, known also as amido-caproic acid (C₆H₁₃NO₂), one of the principal products of the decomposition of nitrogenous matter: an amino-acid that is one of the principal constituents of proteins. ΚΠ 1826 W. Henry Elem. Chem. II. 395 A peculiar white matter, called by Braconnot leucine. 1847–9 Todd's Cycl. Anat. & Physiol. IV. i. 164/2 Leucin..is a crystalline substance closely resembling cholesterine in appearance. 1885 I. Remsen Introd. Study Compounds of Carbon (1888) 194 Leucine is found very widely distributed in the animal kingdom, as in the spleen, pancreas, and brain. attributive.1896 T. C. Allbutt et al. Syst. Med. I. 177 Microscopic examination..might shew..leucin balls. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2022). < n.1826
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