|
KMID : 0380620230550040322
|
|
Korean Journal of Food Science and Technology
2023 Volume.55 No. 4 p.322 ~ p.329
|
|
|
Changes in chemical properties and bioactivities of norbixin using photosensitizers under different light sources
|
|
Lee Seo-Young
Hong Jung-Il
|
|
|
Abstract
|
|
|
|
The orange-red pigment annatto is a widely used coloring agent in various foods. This study evaluated the photostability and changes in antioxidant activities of norbixin, a major coloring compound of annatto, under different light emitting diode (LED)s and fluorescent light. The effects of dietary photosensitizers, including riboflavin, zinc protoporphyrin, and erythrosin B, on the changes were also examined. Norbixin photodegradation was most pronounced under blue LED and was significantly accelerated in the presence of riboflavin and erythrosin B. The 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid radical scavenging activity of norbixin decreased after light exposure and was more significantly reduced by riboflavin and erythrosin B. The cytotoxic effect of norbixin on melanoma cells was significantly reduced after irradiation with blue LED, and the reduction was greater after irradiation with riboflavin. These results suggest that norbixin was unstable under different light sources, and the interaction with photosensitizers could promote photodegradation and decrease norbixin bioactivities.
|
|
|
KEYWORD
|
|
|
norbixin, annatto, riboflavin, erythrosin B, photostability, LED
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|
|
|