冷浸法

HPLC测定冷浸法提取中成药中的甘草酸含量

Determination of Glycyrrhizic Acid Content in Chinese Patent Medicine by HPLC & extracting method of infusion

方法：分别采用冷浸法、蒸法和煮法三种加工方法，并用HPLC法测定其有效成分含量。

Methods : Watering , cooking and steaming method were adopted and the contents of flavonoids was determined by HPLC .

结论通过与冷浸法比较，水煎法和冷浸法提取中成药中GA含量差值较大，且水煎法的偏低。

Conclusion By comparison the decoction with the infusion , the results shows that the content of GA by extraction decoction was lower than that by infusion .

索氏法与冷浸法提取麦冬籽油不仅提油效率有明显差异，而且油中的维生素E及脂肪酸组分相对含量（尤其是软脂酸）也明显受到不同提取方法的影响。

At room temperature , soxhlet-extraction and solvent-extraction resulted in significant differences in extraction efficiency and vitamin E and fatty acid contents ( especially palmitic acid ) in Ophiopogon japonicus seed oils .

冷浸法提取小白杏杏仁油的最佳条件为：料液比1：6，提取时间10h；

The optimum condition of quench method is : ratio of the weight of almond to the volume of solvent is 1:6 , extraction time is 10h ;

结果：川乌最佳提取方法为冷浸法，最佳提取工艺条件为加75%乙醇，12倍药材量醇，浸泡48h以3.5mL/min速度放液。

Results : the best extraction method of volatilize oil of the rhizome of Chinese monkshood is 70 % alcohol , amount of alcohol which is 12 times of medicinal material , soaping 48 h and 3.5 mL / min dropping speed .

冷浸法提取丹参脂溶性部位工艺研究

Study on Cold-soak Extraction of Fat-soluble Components in Radix Salviae Miltiorrhizae

方法：分别采用超声乙醇提取法、乙醇冷浸法和醇热回流提取法。

Results : The extraction method by Alcohol quenching was better than those by any other method .

用冷浸法提取苹果籽油，其出油率为18.3%。

The experiment results show that the rate of oil extraction with low temperature method is 18.3 % .

冷浸法和热浸法水溶性浸出物平均含量分别为20.51%和36.6%；

The average content of water soluble extraction were 20.51 % by cold dip and 36.6 % by hot dip ;

7.72%，室温冷浸法萃取率为8.92%。

The product yield was 7.72 % and 8.92 % with the ultrasonic extraction and the room-temperature immersion method , respectively .

用于化学浆、半化学机械浆、冷浸法高得率浆及纤维板料的研磨。

Used in grinding of chemical pulp , semichemical mechanical pulp , high-yield pulp ( cold impregnation ) and fiber board materials .

结果表明：以甲醇做提取溶剂，采用冷浸法多次提取，效果最佳。

The results indicate that the effect is best when aucubin is extracted several times by methanol in room temperature from Eucommia seed .

结果：通过冷浸法，狗舌草总碱提取率为0.067%；通过热回流法，总碱提取率为0.126%。

Results showed that the extraction rate of total alkaloids by cold and hot methanol was 0.067 % and 0.126 % respectively . The alkaloids from T.

比较了索氏提取法、热回流法和冷浸法等提取方法；提出采用水沉法精制粗黄酮浸膏；

In this paper , the methods of Soxhlet , hot-refluxing and cold-dipping were compared and the method of water-deposition to refine flavones was put forward .

方法：分别采用冷浸法、匀浆-空化法、超声法、热回流法对长春花鲜叶进行提取并比较含量。

METHODS : Anhydrovinblastine was extracted from catharanthus roseus fresh leaves in different ways : merceration , homogenate-cavitation , ultrasonic wave method and hot reflux method .

狗舌草热回流浸膏的得率明显高于冷浸法，但其总黄酮得率却低于冷浸法。

Kirilowii . The extraction rate of gum from the hot methanol method was higher than the cool leach method , but the content of the total flavonoids was lower .

结果如下：1.冷浸法与闪式提取法两种提取方法的提取率及提取物的杀线虫活性间均不存在显著性差异。

The results could be summarized as follows : 1 . The differences among the extractive rate and nematicidal activities of the extracts with cold dip and blitzkrieg extraction were not significant .

通过冷浸法、振荡法和连续回流法提取物离体活性的测定，发现上述植物样品不同方法提取物的抑菌活性差异不明显。

The extracting methods test showed that the antifungal activity of different methods extracts were almost the same , but the inhibition of the extracts of the reflux extracting method was higher relatively .

国内外提取中草药化学成分的方法主要采用热提取法（煎煮法，回流提取法）和浸泡提取法（渗流法、冷浸法）等常规提取法。

At domestic and abroad , the main method of extracting the ingredients of Chinese herbal medicine is using heat extraction ( boiling method , reflux extraction ) soak extraction ( percolation method , cold soak method ) and other conventional extraction methods .

经测定并比较超临界CO2萃取法和石油醚冷浸提取法萃取的破壁和未破壁油菜蜂花粉油的理化性质，超临界CO2萃取法是较为理想的提取方法。

It was testified by determining the physical-chemical properties of wall-broken and wall-unbroken rape bee pollen oil and then comparing them that supercritical CO2 extraction was better than petroleum ether cold soak extraction .

比较了索氏（热回流）提取法与冷浸取法的效果。

The result compares the Suo recovery ( hot refluxing ) with cold immersing .

以甲醇冷浸提取法对所采集的植物材料进行冷浸提取时，提取率分布在1.41%～7.06%之间。

Methanol extraction rates of these plants varied from 1.41 to 7.06 % by a cold soaking method .

其主要结果如下：1、以无水乙醇为溶剂进行提取方法比较，实验得出：超生波提取法效果温浸提取法效果冷浸提取法效果。

The control group is water . The main results are as follows : 1 . Using anhydrous ethanol as a solvent for extraction process optimization . Conclusion : ultrasonic wave extraction method soaking extraction method cold-soaked extraction method . 2 .

本文介绍了一种使用花生米脱皮机，采用冷浸&热浸法，进一步提高花生米脱皮率的新工艺。

This article commended a new technological process to improve peanut coat finish adopt cool & hot dipping method with peanut peeling machine .