Dietary carotenoids protect human cells from damage.
A physical chemistry technique based on singlet oxygen luminescence at about 1270 nm and a biological cell membrane technique were used to study the quenching of singlet oxygen by four carotenoids bound to the surface of lymphoid cells. All the carotenoids studied showed a beneficial effect in cell protection, but there were subtle differences between them.
Department of Chemistry, Keele University, Staffordshire, UK.
J H
JH
Tinkler
F
F
Böhm
W
W
Schalch
T G
TG
Truscott
D000284:Administration, Oral; D016644:Canthaxanthin / Q000494:pharmacology; D002338:Carotenoids / Q000008:administration & dosage / Q000494:pharmacology*; D002470:Cell Survival / Q000187:drug effects / Q000528:radiation effects; D002478:Cells, Cultured; D004032:Diet; D006801:Humans; D007700:Kinetics; D008163:Luminescent Measurements; D000077276:Lycopene; D008214:Lymphocytes / Q000166:cytology / Q000187:drug effects* / Q000378:metabolism; D010100:Oxygen / Q000032:analysis / Q000378:metabolism*; D026082:Singlet Oxygen; D013997:Time Factors; D024341:Xanthophylls; D019207:beta Carotene
D024341:Xanthophylls; D019207:beta Carotene; D026082:Singlet Oxygen; D002338:Carotenoids; D016644:Canthaxanthin; C005948:astaxanthine; D010100:Oxygen; D000077276:Lycopene