1) 70% alcohol supersonic extraction
w(C2H5OH)=70%的乙醇超声提取法
2) ultrasonic extraction
超声提取法
1.
To explore a rapid and efficient extracting method of total flavonoids and polysaccharides from Lycium barbarum L,the contents of total flavonoids and polysaccharides were served as index comparing ultrasonic extraction with traditional extraction,and the contents were determined by spectrophotometry.
这是首次将超声提取法用于宁夏枸杞总黄酮及多糖的提取,与传统提取法相比,超声提取法具有快速、高效等显著优点。
2.
Methods:Macroporous resin water extraction method,water extract-alcohol precipitation and ultrasonic extraction were used to extract polysaccharide,respectively,comparing the three extraction technologies for the extraction rate of Astragalus polysaccharide,and the astragalus polysaccharide content was calculated by using spectrophotometry.
方法:分别用水提取大孔树脂分离法、水提醇沉法、超声提取法提取多糖,比较三种工艺提取黄芪多糖提取率,并采用分光光度法测定黄芪多糖含量。
3) Ultrasonic extraction method
超声提取法
1.
Methods: The volatile components extracted from Chinese Propolis by Soxhlet extraction method, Ultrasonic extraction method, Infusion extraction method and Steam-distilled extraction were comparatively analyzed by GC-MS.
方法:采用GC-MS分别对乙醚索氏提取法、乙醚超声提取法、乙醚冷浸法和水蒸气蒸馏法提取蜂胶所得提取物的化学成分进行分析比较。
4) ethanol (ethyl alcohol)
乙醇，酒精[C2H5OH]
5) Acetonitrile-ultrasonic extraction
乙腈-超声波提取
6) extracting with alcohol solution in frozen condition
乙醇冷冻提取法
补充资料：超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz）。超声具有与一般声音共同的物理性质，还具有一些其他重要的物理特性，如能够成束发射，直线传导，方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2～7.5MHz。频率越高，对组织结构的分辨力越强，但远场声能容易被组织吸收、衰减，不易穿透较深的层次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条