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木聚糖酶原位协同水解预处理大米草的研究
Authors
刘健
杨旸
甘礼惠
龙敏南
Publication date
4 November 2019
Publisher
'International Association for Vegetation Science'
Doi
Cite
Abstract
实验主要研究了氨水/双氧水结合球磨预处理对重组木聚糖酶协同水解大米草的增强效果。首先使用氨水与双氧水预处理大米草,预处理物与原料大米草随后用于球磨。然后将预处理底物分别用于结构表征及木聚糖酶的协同酶解。结果说明氨水结合双氧水预处理能有效脱除大米草中的木质素(63.81%),球磨处理能对纤维素结晶结构有所破坏,两者有效提高木聚糖酶的水解率。而经预处理过的大米草的酶水解物主要成分为木糖(12.54%),木二糖(40.38%),及少量阿拉伯糖(5.50%)。以上结果说明碱预处理结合球磨预处理对后续木聚糖酶协同水解大米草产木寡糖具有明显的促进作用。厦门大学能源发展基金(2018NYFZ03
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Last time updated on 20/11/2020