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单词 lutein
释义 lutein Chem.|ˈl(j)uːtɪɪn|
Also 9 -ine.
[f. L. lūte-um yolk of egg (neut. of lūteus yellow) + -in.]
A substance of a deep yellow colour found in the yolk of eggs and the ovaries of animals.
1869Thudichum in Proc. Roy. Soc. XVII. 253 Various parts of animals and plants contain a yellow crystallizable substance..to which..I assign the name ‘luteine’.1900Allbutt's Syst. Med. V. 624 This [absorption band] is indicative of the presence of lutein, to which the colour of the serum is said to be due.
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