Distribution of Lignin in Chinese Fir Branches determined by Ultraviolet Microspectrometer
WANG Yu-rong1, XING Xin-ting1, REN Hai-qing1, YU Yan2, FEI Ben-hua2*
1. Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China 2. International Center for Bamboo and Rattan, Beijing 100102, China
Abstract：Distribution of lignin in the cell walls of Chinese fir branches emerged in the spring season were first studied by using ultraviolet microscope based on their cell microstructure observation and lignin qualitative measurement by the lightmicroscope and confocal laser scanning microscope. The results showed that the contents of lignin are inhomogeneously distributed in different micro-areas of the cell walls. The order of lignin concentrations is the cell corner>the middle lamellar>the secondary with the absorbance values of ultraviolet wave of 0.489, 0.307 and 0.278, respectively. The result of quantitative analysis consists with that of qualitative analysis. A new measurement method was proposed to study the distribution of lignin content in wood cell walls in CFhina.
Key words：Chinese fir;Cell wall;Distribution of lignin;Ultraviolet microspectrometer
王玉荣1，邢新婷1，任海青1，余 雁2，费本华2* . 紫外显微分光光度法测定杉木枝条木质素微区分布[J]. 光谱学与光谱分析, 2012, 32(06): 1685-1688.
WANG Yu-rong1, XING Xin-ting1, REN Hai-qing1, YU Yan2, FEI Ben-hua2* . Distribution of Lignin in Chinese Fir Branches determined by Ultraviolet Microspectrometer. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(06): 1685-1688.
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