The composition and chemiluminescence of acidolysis lignins from native Chilean hardwoods |
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| Authors: | H D Mansilla M Haun N Durán |
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| Affiliation: | (1) Department of Biological Sciences, Biorganic Chemistry Laboratory, Universidad de Talca, casilla 747, Talca, Chile, CL;(2) Department of Biochemistry, Universidade Estadual de Campinas, 13081-970 Campinas, SP, Brazil, BR;(3) Department of Chemistry, Universidade Estadual de Campinas, 13081-970 Campinas, SP, Brazil, BR |
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| Abstract: | Nothofagus obliqua (roble blanco), Nothofagus glauca (roble colorado), Lithraea Caustica (litre), Quillaja saponaria (quillay) and Cryptocarya alba (peumo), classified as hardwood species, were subjected to chemical and spectroscopic analysis. A high extinction coefficient
at 280 nm correlates with the high free phenolic group content of the lignins of these species. Nothofagus glauca exhibited a high methoxyl content (19.3%) and the lower phenolic content (1.38%). The chemiluminescent behaviour of these
lignins was found to be directly proportional to phenolic groups content and inversely proportional to the methoxyl content.
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