This accelerated solvent extraction method has the advantages of shortening extraction time and improving extraction rate of total flavonoids. 快速萃取工艺不仅能缩短提取时间,还能提高水芹中黄酮的提取率。
Methods: The extraction technique was evaluated by single factor experiment and orthogonal design, with the extraction rate of the asiaticoside as indicator. 方法:以积雪草苷提取率为评价指标,采用单因素实验与正交实验设计优选出积雪草中积雪草总苷的提取条件。
Discussion and study on influential factors of extraction rate of RNA by ammonolysis 影响氨解法RNA提取率因素的探讨与研究
METHODS Raw Polygonum multiflorum was taken as the material, the extraction rate of combined trioxymethylanthraquinone was taken as the index, orthogonal test was applied for the optimization. 方法以生何首乌为原料,结合型大黄素的提取率为指标,采用正交设计对提取工艺进行研究。
The coal extraction rate could be increased with the suitable selected solvent, the increased extraction temperature, the acid pre-treatment before the thermal extraction and other method. 选择合适溶剂、提高萃取温度、热萃取前加酸预处理等方法均可提高煤的萃取率。
After pretreating corn cob with boiled water, the extraction rate could rise to 33.01%. 玉米芯经过水煮后,木聚糖提取率为33.01%。
Effects of ball-milling treatment on particle size distribution, specific surface area, calcium extraction rate and soluble protein content of sliver carp bone powder were studied. 以鲢鱼骨为原料,研究球磨处理对鱼骨粉的粒度分布、比表面积、钙提取率和可溶性蛋白含量的影响。
RESULTS solid-liquid ratio, temperature and time would significantly affect the extraction rate of the soluble polysaccharides. 方法:通过单因素试验和正交试验,研究了料液比、温度、时间对多糖提取率的影响。
Effect on extraction rate of amino acids and trace elements with different solvents in Actinidia chinensis planch. 不同溶剂对弥猴桃果实中氨基酸与微量元素提取率的影响。
Study of the impact of pretreatment on arecoline extraction rate 槟榔预处理方式对槟榔碱提取率的影响
The On-Line Measurement System of Chinese Drug's Extraction Rate by Soft Measurement Technique 基于软测量技术的中药提取率在线检测系统
Effects of different processing methods on the crude protein content and extraction rate of soybean protein concentrates 不同处理对大豆浓缩蛋白(SPC)粗蛋白含量及提取率的影响
Effect of different Particle Sizes on Rice Protein Extraction Rate and Alkali Amount 不同粒度对大米蛋白提取率及碱用量的影响
The paper studied the effects of enzymatic temperature, enzymatic time, enzyme amount and pH value on extraction rate and activities of expanded rice bran polysaccharide. 综述了米糠中的米糠油、米糠蛋白、米糠多糖和米糠植酸钙等被提物的提取方法及其应用。
Response surface methodology was used to study the effect of different levels of concentration of hydrochloric acid, temperature and time on the extraction rate of calcium. 试验采用响应面法分析研究不同量盐酸浓度、温度和时间对可溶性钙提取的影响,以探讨盐酸对鳗鱼骨可溶性钙提取的效果。
ConclusionThis process has higher extraction rate of berberine hydrochloride and has good stability, which is simple and economic, and is suitable for industrial production. 该工艺盐酸小檗碱提取率较高,有较好的稳定性,且工艺简便经济,适合于生产。
Conclusion Different extracting method has important influence on extraction rate of berberine, the optimum extraction process was acid-alcohol method. 结论不同的提取方法对黄柏中小檗碱的得率存在较大差异,用酸性乙醇为最优提取工艺。
Experiment on the extraction rate of caffeine and tea polyphenols from green tea using supercritical CO_2 超临界CO2脱除绿茶中咖啡因和茶多酚的试验研究
Extraction rate, product purity and color are key points to evaluate the extraction effects of egg yolk lecithin. 蛋黄磷脂的纯度、提取率和色泽是评价提取效果的关键指标,为得到色泽浅,提取率、磷脂含量高的产品。
ConclusionThe method of ultrasonic extraction has a higher extraction rate and efficiency than traditional ethanol extraction. 结论与传统的乙醇提取法进行对比显示,用超声波提取法具有快速、高效等特点。
Effects of Ultra-high Pressure Treatment on Extraction Rate Tea of Polyphenols and Antioxidant Activity of Ethanol Extract of Tea 超高压处理对茶多酚提取率和抗DPPH自由基活性的影响
Compared with the control group, the extraction rate of polysaccharides was significantly improved. 与对照组相比,实验组香菇多糖提取效率改善显著。
Conclusion This process was featured by higher extraction rate and shorter extraction time. 结论该工艺方法简单,耗时短,提取率高。
A comparison was made between the summer and autumn leaves of Eucommia ulmoides from the aspects of extraction rate and the contents of chlorogenic acid and aucubin. 本文就杜仲夏叶与秋叶的浸提物得率,其浸膏粉中绿原酸及桃叶珊瑚甙的含量进行了比较研究。
The results showed that the coal extraction rate and the ash-free coal performances obtained would be closely related to the raw coal properties and to the technique conditions. 结果表明:煤的萃取率及所得无灰煤的性能与原煤性质密切相关,还与工艺条件有关;
Results There were some differences in the oil extraction rate and the physicochemical properties. 结果不同产地降香药材中提取的降香油得率和理化性质均存在一定的差异。
Moreover, some important system performance parameters were obtained, such as the cooling seasonal performance factor and the cold extraction rate per unit depth of borehole. 另外,还获得了一些重要的系统性能参数,如季节供冷系数、单位埋深取冷率。
Capsicum oleoresin was used as the raw material to explore the effect of condensation, saponification and crystallization on the purity and extraction rate of capsaicinoids. 以辣椒油树脂为原料,研究浓缩、皂化和结晶条件对辣椒碱类化合物提取率和纯度的影响。
Study on the effects of Enzyme Pretreatment on Extraction Rate of Pineapple Juice 酶处理对菠萝果汁提取率的影响研究
Study on effects of pectase and cellulose on the juice extraction rate of persimmon; 通过纤维素酶、果胶酶协同生态整理,可起到去茸毛、除杂和柔软作用。