Determination of Hemicellulose, Cellulose and Lignin in Moso Bamboo by Near Infrared Spectroscopy
| Autor: | Xiaoli Li, Yong He, Sun Chanjun, Zhou Binxiong |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
chemistry.chemical_classification
Bamboo Multidisciplinary Materials science Spectroscopy Near-Infrared Support Vector Machine Infrared spectroscopy Biomass Polysaccharide Poaceae Lignin Article chemistry.chemical_compound chemistry Chemical engineering Polysaccharides Botany Hemicellulose Cellulose Least-Squares Analysis Spectroscopy Algorithms |
| Zdroj: | Scientific Reports |
| ISSN: | 2045-2322 |
| Popis: | The contents of hemicellulose, cellulose and lignin are important for moso bamboo processing in biomass energy industry. The feasibility of using near infrared (NIR) spectroscopy for rapid determination of hemicellulose, cellulose and lignin was investigated in this study. Initially, the linear relationship between bamboo components and their NIR spectroscopy was established. Subsequently, successive projections algorithm (SPA) was used to detect characteristic wavelengths for establishing the convenient models. For hemicellulose, cellulose and lignin, 22, 22 and 20 characteristic wavelengths were obtained, respectively. Nonlinear determination models were subsequently built by an artificial neural network (ANN) and a least-squares support vector machine (LS-SVM) based on characteristic wavelengths. The LS-SVM models for predicting hemicellulose, cellulose and lignin all obtained excellent results with high determination coefficients of 0.921, 0.909 and 0.892 respectively. These results demonstrated that NIR spectroscopy combined with SPA-LS-SVM is a useful, nondestructive tool for the determinations of hemicellulose, cellulose and lignin in moso bamboo. |
| Databáze: | OpenAIRE |
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