Metabolism of sedoheptulose-C14 in plant leaves |
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| Authors: | TOLBERT N E ZILL L P |
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| Affiliation: | 1. Research Director at the French National Institute for Agricultural Research, INRA, UMR 0868 SELMET, 34060 Montpellier, France;2. Professor Emeritus, Department Wildland Resources, Utah State Univ., Logan, UT 84322–5230, USA;1. Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”, Departamento de Agroindústria, Alimentos e Nutrição, Av. Pádua Dias 11, CP 9, CEP 13418-900 Piracicaba, São Paulo, Brazil;2. Department of Food and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas City, SP 13083-862, Brazil;3. Centre des Sciences du Goût et de l''Alimentation, Agrosup, CNRS, INRA, Université Bourgogne Franche-Comté, Dijon, France;4. Universidade Federal de São Carlos, Campus Lagoa do Sino, Centro de Ciências da Natureza, Rod. Lauri Simões de Barros, Km 12, Buri, SP, Brazil;5. Facultad de Ingeniería Agroindustrial, Universidad Nacional de Moquegua (UNAM), Moquegua, Peru |
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| Abstract: | ![]()
- 1.1. Sedoheptulose-C14 in leaves in the light and in air is rapidly converted to sucrose. In similar experiments in the dark the sedoheptulose is metabolized to respiratory products such as glutamic, aspartic, and succinic acids.
- 2.2. By short-time experiments in the light and in a nitrogen atmosphere, major early products formed from sedoheptulose-C14 are alanine, glyceric acid, and a 4-carbon sugar phosphate. The data suggest cleavage of sedoheptulose to a triose and a tetrose.
- 3.3. Sedoheptulosan-C14 is not metabolized in barley leaves.
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