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fucoxanthin
[ fyoo-koh-zan-thin ]
noun
- a brown carotenoid pigment occurring in brown algae ( def ), diatoms, and dinoflagellates.
fucoxanthin
/ ˌːəʊˈæθɪ /
noun
- a carotenoid pigment that gives brown algae and diatoms their colour: functions in photosynthesis. Formula: C 40 H 56 O 6 or C 40 H 60 O 6
fucoxanthin
/ ڲ̅̅′kō-ă′ٳĭ /
- A brown or olive-green carotenoid pigment, C 40 H 60 O 6 , found in brown algae.
51Թ History and Origins
Origin of fucoxanthin1
Example Sentences
Fucoxanthin, C40H54O6, is a brownish-red pigment, found in fresh brown algæ, and in some brown sea-weeds.
In 1912, Willstätter and Isler first showed that the green coloring matter which is extracted from plants by alcohol, ether, etc., is made up of two definite chemical compounds, to which they assigned the names "chlorophyll a" and "chlorophyll b," associated with two yellow pigments, carotin and xanthophyll, and, in some cases, with the reddish-brown fucoxanthin.
Cent.Total pigment in the dry matter 0.99 0.29 0.21 Proportion of: Chlorophyll a 63 55 44 Chlorophyll b 22 4 31 Carotin 6 11 7 Xanthophyll 9 10 18 Fucoxanthin 20 The two chlorophylls have the following formulas: chlorophyll a, C55H72O5N4Mg, and chlorophyll b, C55H70O6N4Mg.
This group includes the two brilliant yellow pigments, carotin and xanthophyll, and the reddish brown fucoxanthin and the brilliant red lycopersicin, which are similar in their chemical composition.
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