myxoxanthophylln.

Brit.

/ˌmɪksəʊˈzanθə(ʊ)fɪl/, U.S.

/ˌmɪksoʊˈzænθəˌfɪl/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Myxophyceae , xanthophyll n.

Etymology: < myxo- (in scientific Latin Myxophyceae: see myxophycean adj.) + xanthophyll n., after myxoxanthin n.

Biochemistry.

Any of a group of related carotenoid pigments present (usually as rhamnosides) in the photosynthetic apparatus of cyanobacteria (blue-green algae); a mixture of such pigments.

ΚΠ

1936 I. M. Heilbron & B. Lythgoe in Jrnl. Chem. Soc. 1377 Chromatographic analysis..gave two crystalline carotenoids, one of which has been identified as lutein. The other is a new pigment myxoxanthophyll, C₄₀H₅₆O₇ (± 2H).

1967 Q. Rev. Biol. 42 219/1 It [sc. the alga Cyanidium] lacks the characteristic myxoxanthophyll of the blue-green algae.

1986 M. Kogut tr. H. G. Schlegel Gen. Microbiol. iii. 126 The thylakoid membrane contains chlorophyll a, β-carotene, and oxo-carotenoids like myxoxanthophyll.

2001 Plant & Cell Physiol. 42 756 The name myxoxanthophyll can not specify the sugar moiety and the identification of the sugar moiety is unfeasible in many cyanobacteria.

This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	myxoxanthophyll
释义	myxoxanthophylln. Brit. /ˌmɪksəʊˈzanθə(ʊ)fɪl/, U.S. /ˌmɪksoʊˈzænθəˌfɪl/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Myxophyceae , xanthophyll n. Etymology: < myxo- (in scientific Latin Myxophyceae: see myxophycean adj.) + xanthophyll n., after myxoxanthin n. Biochemistry. Any of a group of related carotenoid pigments present (usually as rhamnosides) in the photosynthetic apparatus of cyanobacteria (blue-green algae); a mixture of such pigments. ΚΠ 1936 I. M. Heilbron & B. Lythgoe in Jrnl. Chem. Soc. 1377 Chromatographic analysis..gave two crystalline carotenoids, one of which has been identified as lutein. The other is a new pigment myxoxanthophyll, C₄₀H₅₆O₇ (± 2H). 1967 Q. Rev. Biol. 42 219/1 It [sc. the alga Cyanidium] lacks the characteristic myxoxanthophyll of the blue-green algae. 1986 M. Kogut tr. H. G. Schlegel Gen. Microbiol. iii. 126 The thylakoid membrane contains chlorophyll a, β-carotene, and oxo-carotenoids like myxoxanthophyll. 2001 Plant & Cell Physiol. 42 756 The name myxoxanthophyll can not specify the sugar moiety and the identification of the sugar moiety is unfeasible in many cyanobacteria. This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1936
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