提取剂

The extract is prepared by the method containing the following steps: water and/or organic solvent are used as extractant, and the psoralea fruit extract is extracted and obtained from the seeds of psoralea fruit.

所述提取物是用包括如下步骤的方法制备的：用水和/或有机溶剂作为提取剂，从补骨脂种子中提取得到补骨脂提取物。

The results of orthogonal test showed that the optimum extraction processof quinone from C. cathayensis peel was 70% ethanol as extraction solvent with solid-liquid ratio of 1: 15, extraction temperature of 60℃ and extraction time of 2 h. Under this condition, the yield rate of total quinone reached 0.84%.

正交试验结果表明，山核桃果皮醌的最佳提取工艺为：70%乙醇为提取剂，料液比1： 15，提取温度60℃，提取时间2 h，此条件下，总醌得率达0.84%。

The third aspect studied the stability of the semifinished and purified pigment under different circumstances.

超声法提取枣皮红色素的最佳工艺参数为：超声时间25min，超声功率300W，提取剂的浓度0.9%，料液比1：25，提取级数三级，枣皮红色素的提取率达94.08%。

It is concluded that sodium chloride and ethanol are the most effective abstractions in yeast abstraction.

得出氯化钠和乙醇是提取酵母提取物最有效的提取剂的结论。

The extract is prepared according to the following method: the stephanotis extract is extracted from stephanotis with water and/or an organic solvent as an extractant.

所述提取物是按照如下方法制备的：是用水和/或有机溶剂作为提取剂，从白药子的中提取得到白药子提取物。

Extraction conditions and application of the red pigment from Bombax malabaricum were investigated.

本文研究了木棉花红色素的提取条件和应用，结果表明，采用 0.5%的38%HCl-95%乙醇作为提取剂，按 1：6的投料比，在常温下浸提 4 小时，木棉花红色素有较大的提取率。

Extraction of edible red pigmengt from solanum nigrum fruit by optimum seeked process conditions, determined single factor condition, designed orthogonal layout, and measured absorbance at 527nm wavelength, weighed up the pigment extracting effect and stability. The most favoured extracte conditions were determined as follows: The extracting regent was citric acid hydrotropic solution, pH was 1.72, the quantities of added sample to the solution was 3.35g/100mL, the temperature was 60℃, the extracting time w...

以成熟的龙葵果为原料提取食用红色素，通过优化工艺、确定单因素条件、设计正交试验，以527nm波长的吸光度值衡量色素提取效果和稳定性；最优化的提取条件为：柠檬酸水溶液提取剂pH为1.72，样品加量3.35g/100mL，提取温度60℃，浸提时间60min；龙葵红色素提取液长期接触光、空气和Fe3+，稳定性下降，因此，在提取、干燥和储存时要尽量避免长时间接触光和空气、避免与铁制容器直接接触。

The effect is obvious by the diffierent extraction, the Pitaya conditions of extracting pH, extracting temperature, extracting time were determined by mono factor and orthogonal experiment.

使用不同的提取剂对色素提取有较大的影响，通过单因素和正交实验确定乙醇提取火龙果果皮色素的pH值、液料比、浸提温度和浸提时间的最佳方法。

The optimum technology of extracting flavonoids in polygonatum was studied by orthogonal test.

用正交试验法对玉竹中的黄酮类化合物的提取工艺进行了优选研究，采用正交表L16(4^5)，以提取时间、提取温度、提取次数、提取剂中乙醇含量以及料液比为因素，以总黄酮显色液的吸光度为指标进行试验。

With hydroxy safflor yellow A as the standard, the conditions of extracting yellow pigment were discussed, including extraction solvent, extraction temperature, extraction time and the volume of extraction solvent.

方法］以羟基红花黄色素A为对照品，对萃取红花黄色素影响因素，包括提取剂，提取温度、提取时间、提取溶剂体积等进行单因素的考察。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失