Structural determination of carnosadine,a new cyclopropyl amino acid,from red alga Grateloupia carnosa |
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Authors: | Tateaki Wakamiya Hidetaka Nakamoto Tetsuo Shiba |
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Institution: | Department of Chemistry, Faculty of Science, Osaka University, Toyonaka, Osaka 560, Japan |
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Abstract: | A new cyclopropyl amino acid, carnosadine, was isolated from red alga Grateloupia carnosa and the structure was determined to be 1-amino-2-guanidino-methylcylopropane-1-carboxylic acid from the results of NMR, mass spectrometry and coloring tests. |
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