一、产品简介: 木聚糖酶在自然界分布广泛,可从动物、植物和微生物中获得。可将木聚糖降解成低 聚糖和木糖的一组酶的总称,也被称为戊聚糖酶或半纤维素酶,广泛应用于酿造和饲料 工业中。 中性木聚糖酶(NEX)在中性环境中水解木聚糖降解成还原性寡糖和单糖,在沸水 浴条件下进一步与 3,5-二硝基水杨中发生显色反应,在 540nm 处有特征吸收峰,反应 液颜色的深浅与酶解产生的还原糖量成正比,通过测定反应液在 540nm 吸光值增加速 率,可计算 NEX 活力。
二、所需的仪器和用品: 酶标仪、96 孔板、低温离心机、恒温水浴锅、可调式移液器、研钵、冰和蒸馏水。
Siqiang Wang.2023.Transcriptome analysis reveals key metabolic pathways and gene expression involving in cell wall polysaccharides-disassembling and postharvest fruit softening in custard apple (Annona squamosa L.).IF=8.025
Ding Wang.2023.Maize-potato residue mixing in agricultural soils enhances residue decomposition and stable carbon content by modifying the potential keystone microbial taxa.IF=6.1
Linkang Chen.Responses of carbon and microbial community structure to soil nitrogen status vary between maize and potato residue decomposition.agriculture ecosystems & environment.IF=6.6