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Singlet Fission Reaction of Light-Exposed beta-Carotene Bound to Bovine Serum Albumin. A Novel Mechanism in Protection of Light Exposed Tissue by Dietary Carotenoids
文献类型:期刊
作者:Chang, Hui-Ting[1]  Chang, Yu-Qiang[2]  Han, Rui-Min[3]  Wang, Peng[4]  Zhang, Jian-Ping[5]  Skibsted, Leif H.[6]  
机构:[1]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.;
[2]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.;
[3]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.;
[4]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.;
[5]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.;
[6]Univ Copenhagen, Dept Food Sci, Rolighedsvej 30, DK-1958 Frederiksberg C, Denmark.;
通讯作者:Zhang, JP (reprint author), Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.; Skibsted, LH (reprint author), Univ Copenhagen, Dept Food Sci, Rolighedsvej 30, DK-1958 Frederiksberg C, Denmark.
期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY影响因子和分区
年:2017
卷:65
期:29
页码:6058-6062
收录情况:SCI(E)(WOS:000406649400024)  PubMed(28669184)  
ISSN:0021-8561
关键词:beta-carotene; singlet fission; photobleaching protein photooxidation
所属部门:化学系
摘要:
We have attempted to investigate the role of carotenoids (Car) in protecting-pigment protein complexes against light-induced degradation. Upon direct photoexcitation of beta-carotene (beta-Car), nanosecond flash photolysis and femtosecond time-resolved spectroscopy detected a substantial population of triplet states for beta-Car aggregates associated with bovine serum albumin (BSA) or dispersed in aqueous phase with 10% tetrahydrofuran (THF), but none were observed for monomeric beta-Car in neat ...More
学科:农业综合;应用化学;食品科技
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