A comparative study of cycad mucilages |
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| Authors: | PDe Luca A Moretti S Sabato GSiniscalco Gigliano |
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| Institution: | 1. Orto Botanico, Facoltà di Scienze, Università di Napoli, Via Foria 223, Napoli, Italy |
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| Abstract: | The patterns of monosaccharide distribution of the mucilages of Cycadales are characteristic at the generic level. Arabinose, fucose, galactose, mannose, rhamnose and methylrhamnose were identified in the hydrolysed mucilage of Bowenia, Ceratozamia, Cycas, Dioon, Encephalartos, Lepidozamia, Macrozamia, Microcycas and Zamia. Stangeria contains no rhamnose and methylrhamnose, and Ceratozamia contains galactose only in traces. American genera may easily be distinguished from the others by means of their different monosaccharide composition. Lepidozamia appears to be well separated from Macrozamia. |
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| Keywords: | Cycadales cycads chemotaxonomy monosaccharides of the mucilages |
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