Asen S; Norris KH; Stewart RN 1972
- Authors: Asen S; Norris KH; Stewart RN
- Title: Co pigmentation of aurone and flavone from petals of
Antirrhinum majus
- Location: Phytochemistry (Oxford), 11 (9). 1972 2739-2741.
- Abstract: Microscopic examinations of Yellow Rocket
snapdragons showed the yellow color to be in the vacuole of epidermal
cells with no evidence of chromoplasts in the cytoplasm, so that
carotenoids do not contribute to the yellow color. The principal yellow
pigment is the aurone aureusin (aureusidin 6-glucoside). The visible
spectrum of aureusin, at a concentration and pH similar to that of
epidermal tissue, was different from the spectrum of the intact petal.
The purpose of this investigation was to resolve this difference.
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