方法采用乙醇回流提取和分离技术得到艾香素，并行结构鉴定。
Methods We used natural plant extraction with ethanol and separation technique to obtain artemetin, and identified its structure.
采用乙醇回流提取人参粗总皂甙，AB - 8大孔树脂吸附对其进行纯化。
The extraction of total ginsenosides was performed by Refluxing ethanol. Then, the extracts were purified by AB-8 resin.
结果采用乙醇回流提取后，利用酸提碱沉法，盐酸药根碱与盐酸巴马汀含量最高。
Results the alkaloid content was the highest after circumfluence extraction by ethanol acid-base precipitation.
人参用75%乙醇回流提取制成流浸膏，炮穿山甲粉碎成细粉，二者在配制时加入。
Radix ginseng was prepared for liquidum by adding 75% alcohol and refluxing and extracting. Processing Squama manis was crushed to powder.
方法：比较微波萃取、水回流提取、乙醇回流提取三种方法对槐米中芦丁的提取效率，并通过正交设计优化微波萃取工艺；
Methods: Comparing the extracting efficiency of rutin from the sophora japonica by microwave extracting, decoction and circulation reflux with alcohol.
并发现用乙醇加热回流提取制备的浸膏，黄酮含量不稳定。
We also find that the content of flavonoids was not same in extract prepared by alcohol under refluxing.
目的：优化乙醇回流法提取淫羊藿的工艺条件。
Objective: To optimize the ethanol refluxing and extracting process of Herba Epimedii with orthogonal design.
方法：采用HPLC法对大黄水回流、隔氧水回流及乙醇回流后提取液中各种蒽醌类成分的含量进行监测。
METHODS Contents of anthraquinones in Radix et Rhizoma Rhei extracts were determined using HPLC after water reflux, deoxygenated water reflux or ethanol reflux.
方法：采用乙醇做溶剂，水浴加热回流提取。
因此，丹皮中丹皮酚提取实验结论为：水蒸汽蒸馏法优于乙醇回流法；
Therefore, the experimental conclusion of extraction of paeonol was: the steam distillation method was better than the ethanol refluxing method;
用体积分数95%的乙醇为溶剂，采用索氏提取、回流提取和冷浸提取时，所得提取物对TMV的抑制率均为100%。
The inhibition rate on TMV of the extract from lotus leaves with 95%(V/V) ethanol by Soxhlet extractor, reflux and cold soak are all 100%.
结果与结论：乙醇回流法对淫羊藿苷的提取效果优于乙醇超声法；
RESULTS & CONCLUSION:The ethanol refluxing process is better than the ethanol ultrasonic process in the extraction of icariin.
加入夹带剂乙醇后白花前胡甲素提取量增加，且超临界流体萃取法明显高于水煎煮和加热回流法。
As cosolvent alcohol was added, the amount of extraction of the praeruptorin A increased, and the amount of SFECO2 extraction was higher than those of decoction and heating reflux.
结论乙醇回流法提取黄芩有效成分的抑菌效果较水煮法好。
Conclusion the ethanol extraction of baicalin antibacterial active ingredients better than the boiling method.
主要研究结果如下：采用加热回流提取法，对白首乌进行乙醇提取，并通过化学萃取得到总甾苷。
The main results of this dissertation were described as following:The roots of C. auriculatum was extracted by ethanol through heating reflux, then purified by chemical extraction.
采用加压提取法提取枳实中黄酮类成分，并与乙醇回流法比较提取效果。
The extraction process of flavonoids from Frutus aurantii immaturus using pressurized extraction(PE) was studied and compared with reflux extraction.
荷叶用乙醇加热回流提取得荷叶提取物浸膏；
The lotus leaf extract is extracted from heating the lotus leaves with alcohol before reflux;
荷叶用乙醇加热回流提取得荷叶提取物浸膏；
The lotus leaf extract is extracted from heating the lotus leaves with alcohol before reflux;
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