Abstract:
:Carotenoids possessing hydroxyl groups can be found in nature both as free xanthophylls and as carotenoid esters, i.e. acylated with fatty acids. A single carotenoid can be acylated with different fatty acids, resulting in a high number of possible structures of carotenoid esters. The analysis of carotenoid esters can be challenging; although extraction techniques are essentially the same as those used for free carotenoids, depending on the sample composition, interfering compounds such as triacylglycerides are also present in the extract in significant amounts to cause high background noise and ionization suppression in mass spectrometric analysis. Besides analysis of UV-visible spectrum features, identification of carotenoid esters must include tandem mass spectrometry (MSn) because no changes in the carotenoid molecule chromophore occur due to acylation with fatty acids. Although carotenoid esters are widespread found in foods, especially in fruits, and their bioavailability is equivalent or even higher than that of the free carotenoid, occurrence of xanthophyll esters is very limited in human plasma and tissues. Challenges and further investigations needed on the topics above are given in this review.
journal_name
Arch Biochem Biophysjournal_title
Archives of biochemistry and biophysicsauthors
Mariutti LRB,Mercadante AZdoi
10.1016/j.abb.2018.04.005subject
Has Abstractpub_date
2018-06-15 00:00:00pages
36-43eissn
0003-9861issn
1096-0384pii
S0003-9861(18)30162-0journal_volume
648pub_type
杂志文章,评审abstract::Electrophoretically homogeneous preparations of catalytic subunit (C) of cAMP-dependent protein kinase isolated according to two different procedures from holoenzyme type I and type II from rabbit and from holoenzyme type II from rat skeletal muscle and from bovine cardiac muscle can be separated on carboxymethyl cell...
journal_title:Archives of biochemistry and biophysics
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journal_title:Archives of biochemistry and biophysics
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2005-07-15 00:00:00
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pub_type: 杂志文章
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更新日期:1987-08-15 00:00:00
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pub_type: 杂志文章
doi:10.1016/0003-9861(89)90115-x
更新日期:1989-02-15 00:00:00
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pub_type: 杂志文章
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2004-01-01 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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更新日期:2011-05-01 00:00:00
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pub_type: 杂志文章
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更新日期:2000-02-15 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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更新日期:1988-11-15 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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更新日期:1988-08-15 00:00:00