| 单词 |
siphonein |
| 释义 |
siphonein Biochem.|ˈsaɪfəniːn| [f. siphono- + -ein, perh. after lutein.] An ester of siphonoxanthin present in certain green algæ.
1949H. H. Strain in Franck & Loomis Photosynthesis in Plants vi. 162 Siphonein. In most algae containing siphonaxanthin one finds about equivalent amounts of a spectroscopically similar carotenoid which is converted into siphonaxanthin by saponification with alcoholic potassium hydroxide. 1964[see siphonoxanthin s.v. siphono-]. 1969Tetrahedron Lett. No. 59. 5141 Siphonein is an ester of siphonaxanthin characterized by the esterification of the primary hydroxyl group with a fatty acid. |

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