查询词典 pectin

The colour of most detected bands became light in the five media with the order of mannosan, mannose, xylan, glucose and pectin.(4)The pectinase in the supernatant was purified by centrifuge , acetone precipitation and sephadex G-75 cloumngel filtration. The specific activity was increased 9.8-fold with an activity recovery of 32.98%.The molecular weight of pectinase was 42.2KD estimated by SDS-PAGE.

确立了以葡萄糖培养基6h的发酵液为提取果胶酶的最初取样点，发酵液经离心，丙酮沉淀，Sephadex G-75葡聚糖凝胶柱层析后获得了凝胶电泳均一的样品，比活力较原酶液提高了9.8倍，回收率达到了32.98%，用SDS-PAGE凝胶电泳测的纯化后的果胶酶分子量为42.2KD。

The thesis studied the total exocellular proteins, reductant sugar and the pectinase enzyme activity of CXJZ95-198 strain in glucose, mannose, xylan, mannosan and pectin culture media.Compared enzyme activity of pectinase, xylanose and β-mannanose. The secreted proteins in ferment fluid from different culture media were analysed by SDS-PAGE electrophoresis.

本论文对CXJZ95-198菌株在葡萄糖、甘露糖、木聚糖、魔芋粉及果胶五种不同碳源培养基中胞外酶蛋白质总量、还原糖及果胶酶活性的影响进行了研究；对果胶酶、木聚糖酶及β-甘露聚糖酶在甘露糖培养基中的酶活进行了比较；对CXJZ95-198菌株在不同碳源培养基中的发酵液在SDS-PAGE电泳中分泌出的蛋白带作了比较；对CXJZ95-198菌株所产生的胞外酶系中果胶酶进行了分离纯化。

under this condition, the yield of pectin is 5.51% with the content of methoxyl of 6.33%, which conforms to the national standard.

结论在此工艺条件下果胶得率5.51 %，所得果胶的甲氧基含量6.33 ％，符合国家规定标准。

Results the influence of factors on the extraction of low methoxyl pectin was as follows: ph value＞time＞temperature＞liquid-solid ratio.

结果各因素对提取低甲氧基果胶的影响顺序为：提取液ph＞提取时间＞提取温度＞液料比。

The paper studies the effect of sucrose, Ca2+ ion and glucono-delta-lactone on the gelling properties of sodium alginate—high methoxyl pectin system.

研究了蔗糖、Ca2+、葡萄糖酸-d-内酯对海藻酸钠—高甲氧基果胶复合体系凝胶特性的影响。

Methods The low methoxyl pectin was obtained by acid hydrolysis and alkaline degreasing.

方法采用酸解法浸提并用碱法脱酯提取低甲氧基果胶，通过单因素试验和正交试验优化工艺条件。

Methods the low methoxyl pectin was obtained by acid hydrolysis and alkaline degreasing. the extraction technology was optimized by single factor experiment and orthogonal experiment.

方法采用酸解法浸提并用碱法脱酯提取低甲氧基果胶，通过单因素试验和正交试验优化工艺条件。

An enzyme found in certain plants,bacteria,and fungi that catalyzes the hydrolysis of pectin to pectic acid and methanol.

可以区分开来的外部周界是表皮层，由无定形组织的蜡质和果胶构成。

An enzyme found in certain plants, bacteria, and fungi that catalyzes the hydrolysis of pectin to pectic acid and methanol.

胨各种从天然白蛋白酸或酶水解中得到的合成物，用做培养细菌的营养培养基

Pectinase is heterogeneous group of related enzymes that hydrolyze the pectic substances, which can break down complex pectin into simpler molecules like galacturonic acids.

果胶酶是一类分解果胶质的酶的总称，它能将复杂的果胶分解为半乳糖醛酸等小分子。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。