棉花纤维中木质素的相对分子量-作物学报.PDF

作物学报 ACTA AGRONOMICA SINICA 2017, 43(6): 940944 / ISSN 0496-3490; CODEN TSHPA9 E-mail: xbzw@ DOI: 10.3724/SP.J.1006.2017.00940 棉花纤维中木质素的相对分子量 胡文冉 范 玲 李晓荣 谢丽霞 杨 洋 李 波 陈方圆 / / , 830091 : , TM-1 , - , (gel permeation chromatography, GPC)2 , (dioxane lignin, DL)2924 g mol–1 2403 g mol–1 , -(enzymatic hydrolysis-mild acidolysis lignin, EMAL)(2169 g mol–1)(1970 g mol–1), EMAL , DL EMAL EMAL , 938~2169 g mol–1 , 857~1970 g mol–1 , 1.09~1.74 , 2 , , : ; ; ; -; Relative Molecular Weight of Lignin in Cotton Fiber HU Wen-Ran, FAN Ling, LI Xiao-Rong, XIE Li-Xia, YANG Yang, LI Bo, and CHEN Fang-Yuan Xinjiang Key Laboratory of Crop Biotechnology / Laboratory of Molecular Mechanism and Molecular Breeding in Cotton of Xinjiang Academy of Agricultural Sciences / Biotechnology Institute of Nuclear Technology, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China Abstract: Molecular weight is one of the important characteristics of polymers, lignin molecular weight and its distribution is one of the contents for studying responses of phenylpropanoid structure, physicochemical characteristics and evaluation of the modi- fied product quality. In this research, the relative molecular weight of lignin extracted respectively by enzyme hydrolysis mild acidolysis and dioxane from mature co