中国生物质中木质纤维素成分的自然变异
Natural Variation of Lignocellulosic Components in Biomass in China.
作者信息
Xu Pingping, Cheng Senan, Han Yanbin, Zhao Dongbo, Li Hongfei, Wang Yancui, Zhang Guobin, Chen Cuixia
机构信息
State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, China.
College of Agronomy, Shandong Agricultural University, Taian, China.
出版信息
Front Chem. 2020 Nov 5;8:595143. doi: 10.3389/fchem.2020.595143. eCollection 2020.
Lignocellulose content is an important factor affecting the conversion efficiency of biomass energy plants. In this study, 179 accessions in China were used to determine the content of lignocellulose components in stems via acid hydrolysis and high-performance liquid chromatography. Results showed that the average lignocellulose content of wild germplasm resources was 80.27 ± 6.51%, and the average content of cellulose, hemicellulose, lignin, extracts, and total ash was 38.38 ± 3.52, 24.23 ± 4.21, 17.66 ± 1.56, 14.50 ± 5.60, and 2.53 ± 0.59%, respectively. The average lignocellulose content of , and the hybrids was 77.94 ± 6.06, 75.16 ± 4.98, 75.68 ± 3.02, 83.71 ± 4.78, 81.50 ± 5.23, and 74.72 ± 7.13%, respectively. In all the tested materials, the highest cellulose content was 48.52%, and the lowest was 29.79%. Hemicellulose had the maximum content of 34.23% and a minimum content of 15.71%. The highest lignin content was 23.75%, and the lowest was 13.01%. The lignocellulosic components of different ploidy materials were compared. The content of lignocellulosic components of diploid was higher than that of tetraploid , and the content of lignocellulosic components of diploid was lower than that of tetraploid . Analysis of the relationship between the changes in lignocellulosic components and geographical locations of showed that the holocellulose and hemicellulose content was significantly positive correlated with the latitude of the original growth location. Results indicated that the lignocellulosic components of resources in China are rich in genetic diversity.
木质纤维素含量是影响生物质能源植物转化效率的重要因素。本研究利用中国的179份种质材料，通过酸水解和高效液相色谱法测定茎中木质纤维素成分的含量。结果表明，野生种质资源的木质纤维素平均含量为80.27±6.51%，纤维素、半纤维素、木质素、提取物和总灰分的平均含量分别为38.38±3.52%、24.23±4.21%、17.66±1.56%、14.50±5.60%和2.53±0.59%。[此处原文可能有误，缺失了一些品种名称]及其杂交种的木质纤维素平均含量分别为77.94±6.06%、75.16±4.98%、75.68±3.02%、83.71±4.78%、81.50±5.23%和74.72±7.13%。在所有测试材料中，纤维素最高含量为48.52%，最低含量为29.79%。半纤维素最高含量为34.23%，最低含量为15.71%。木质素最高含量为23.75%，最低含量为13.01%。比较了不同倍性材料的木质纤维素成分。二倍体[此处原文可能有误，缺失品种名称]的木质纤维素成分含量高于四倍体[此处原文可能有误，缺失品种名称]，二倍体[此处原文可能有误，缺失品种名称]的木质纤维素成分含量低于四倍体[此处原文可能有误，缺失品种名称]。分析[此处原文可能有误，缺失品种名称]木质纤维素成分变化与地理位置的关系表明，全纤维素和半纤维素含量与原始生长地的纬度呈显著正相关。结果表明，中国[此处原文可能有误，缺失品种名称]资源的木质纤维素成分具有丰富的遗传多样性。
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