Chemical Degradation Methods: Permanganate Oxidation
Much of our current knowledge about the structure of lignin in wood and pulp is based on results obtained from permanganate oxidation. This method involves the selective degradation of all aliphatic side chains attached to aromatic moities in lignin, resulting in the formation of a mixture of aromatic carboxylic acid structures henceforth referred to as “acids”. The identity of these as well as the amount of each individual acid provides information about the substitution pattern in a particular lignin and the frequency with which individual linkages between phenylpropane units occur.
KeywordsChlorinate Milling Sulfuric Acid Dichloromethane Diethyl
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- Erickson M, Dence CW (1976) Phenolic and chlorophenolic oligomers in chlorinated pine kraft pulp and in bleach plant effluents. Sven Papperstidn 79:316–322]Google Scholar
- Freudenberg K (1968) In: Freudenberg K, Neish AC (eds) Constitution and biosynthesis of lignin. Springer, Berlin Heidelberg New York 78–82Google Scholar
- Freudenberg K, Janson A, Knopf E, Haag A (1936) Zur Kenntnis des Lignins. Chem Ber 69: 1415–1425Google Scholar
- Gellerstedt G, Gustafsson K (1987b) Reaction of lignin in chemimechanical pulping. Proc Fourth Int Symp Wood Pulp Chem Paris 1: 15–19Google Scholar
- Gellerstedt G, Lindfors E (1984b) Structural changes in lignin during kraft cooking. Part 4. Phenolic hydroxyl groups in wood and kraft pulps. Sven Papperstidn 87: R115–R118Google Scholar
- Gellerstedt G, Lindfors E, Lapierre C, Monties B (1984) Structural changes in lignin during kraft cooking. Part 2. Characterization by acidolysis. Sven Papperstidn 87: R61–R67Google Scholar
- Glasser WG, Morohoshi N (1979) The structure of lignins in pulps. The distribution of interunit linkages. Tappi 62 (12): 101–105Google Scholar
- Miksche GE, Yasuda S (1976) Zur Struktur des Lignins der Buche (Fagus silvatica L.). Liebigs Ann Chem 1323–1332Google Scholar