Photoprotection and Radiation Protection by Dietary Carotenoids

Boehm, Fritz; Edge, Ruth; Truscott, T. George; Witt, Christian

doi:10.1002/9781118622223.ch4

Cited by 1 publication

(2 citation statements)

References 59 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Many of the studies of the generation and reactivities of carotenoid radical cations, and anions, up to 2015 have been reported in several reviews [ 56 , 57 , 58 ].…”

Section: Carotenoidsmentioning

confidence: 99%

“…Another important result, discussed in previous reviews, for example [ 58 ], arises from pulse radiolysis studies showing that carotenoid radical cations are converted back to the parent carotenoid by water-soluble antioxidants such as ascorbic acid. Therefore, a potentially damaging pro-oxidant effect due to the high reduction potential of carotenoid radical cations will be removed by ascorbic acid.…”

Section: Carotenoidsmentioning

confidence: 99%

See 1 more Smart Citation

Singlet Oxygen and Free Radical Reactions of Retinoids and Carotenoids—A Review

2018

Self Cite

View full text Add to dashboard Cite

We report on studies of reactions of singlet oxygen with carotenoids and retinoids and a range of free radical studies on carotenoids and retinoids with emphasis on recent work, dietary carotenoids and the role of oxygen in biological processes. Many previous reviews are cited and updated together with new data not previously reviewed. The review does not deal with computational studies but the emphasis is on laboratory-based results. We contrast the ease of study of both singlet oxygen and polyene radical cations compared to neutral radicals. Of particular interest is the switch from anti- to pro-oxidant behavior of a carotenoid with change of oxygen concentration: results for lycopene in a cellular model system show total protection of the human cells studied at zero oxygen concentration, but zero protection at 100% oxygen concentration.

show abstract

“…Many of the studies of the generation and reactivities of carotenoid radical cations, and anions, up to 2015 have been reported in several reviews [ 56 , 57 , 58 ].…”

Section: Carotenoidsmentioning

confidence: 99%

Section: Carotenoidsmentioning

confidence: 99%