Concerning the structure of cinerarin,a blue anthocyanin from garden cineraria |
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| Authors: | Kunijiro Yoshitama Kôzô Hayashi |
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| Institution: | (1) Botanical Institute, Tokyo Kyoiku University, Bunkyo-ku, 112 Tokyo;(2) Present address: Institute for Breeding Research, Tokyo University of Agriculture, Setagaya-ku, 158 Tokyo |
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| Abstract: | A purplish-blue anthocyanin was isolated from the flower of garden cineraria (Senecio cruentus DC.). The pigment retains a stable blue color within the range of pH 3.5-7; but it differs in other characteristics from
the known blue anthocyanins. This pigment is composed of delphinidin, glucose and caffeic acid in a molecular ratio of 1∶3∶2,
respectively and is tentatively called “cinerarin”. The blue flower color of cineraria seems to be manifested solely by cinerarin,
and it becomes likely that the caffeic acid involved in the molecule plays an essential role in the blueness of this pigment.
Part LXV: Bot. Mag. Tokyo85: 303–306 (1972). |
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