41. Rather, the corpus luteum concentrates carotenoids from the diet of the mammal. 42. There are some species of flowering plants that contain little to no carotenoids . 43. Carotenoids are red, orange, or yellow tetraterpenoids.44. Basic research on Cape gooseberry includes studies on polyphenols and / or carotenoids . 45. The formation of ionones proceeds by a process mediated by the carotenoid dioxygenases. 46. Each photosytem that absorb photons has hundreds of pigment molecules, including carotenoids . 47. Picrocrocin is a degradation product of the carotenoid zeaxanthin. 48. Plants that lack carotenoid molecules quickly die upon exposure to oxygen and light. 49. Flamingos need carotenoids in their diet to develop their pink / red color. 50. It is the second step in the biosynthesis of carotenoids from isopentenyl diphosphate.
