. Carotenoids, their comparative biochemistry. Carotenoids. Me Me M< Chrysanthemaxanthin, Flavoxanthin 5 : 8-epoxylutein (xanthophyll) Me Me Me. Me Me M« Rublchrome (5 : S-epoxy-B-hydroxy-y-carotene) Little is known of the metabolism of carotenoids during the develop- ment of flowers ; but Karrer, Jucker, Rutschmann and Steinlin ^' * have found that in spring, petals of Viola tricolor contain only small amounts of violaxanthin and auroxanthin, but that these increase con- siderably by autumn, and it has recently been reported that the carotene content of the petals of a number of plants inc
. Carotenoids, their comparative biochemistry. Carotenoids. Me Me M< Chrysanthemaxanthin, Flavoxanthin 5 : 8-epoxylutein (xanthophyll) Me Me Me. Me Me M« Rublchrome (5 : S-epoxy-B-hydroxy-y-carotene) Little is known of the metabolism of carotenoids during the develop- ment of flowers ; but Karrer, Jucker, Rutschmann and Steinlin ^' * have found that in spring, petals of Viola tricolor contain only small amounts of violaxanthin and auroxanthin, but that these increase con- siderably by autumn, and it has recently been reported that the carotene content of the petals of a number of plants increased from budding until a maximum was reached at flowering. ^ s 4 Table 8 records some characteristics of typical petal carotenoids and Table 9 the qualitative distribution of carotenoids in petals. 48. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Goodwin, T. W. (Trevor Walworth). New York, Chemical Pub. Co.
Size: 2642px × 946px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber62
