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- Extraction yield and purity of theanine were 0.94% and 85.43%,respectively. 研究结果表明:该工艺能很好地脱除咖啡因;提取的茶氨酸纯度达85.;43%25;提取率为0
- In solid phase extraction, extraction yield of CL is 91.25% and extraction yield of SA is 86.10% by Amberlite XAD-2 resin. 固相萃取法中;采用Amberlite XAD-2大孔吸附树脂;效果较液-液萃取更好;萃取率为91.;25%25和86
- OBJECTIVE To study the effect on the extraction yield and efficiency of sinapine with different extraction conditions and ways. 目的探讨不同提取条件和不同提取方法对芥子碱提取得率与效率的影响。
- We Studied the effect of different solvents on the extraction yield and the antioxidant capacity of carotenoid from Arctium lappa L. 研究了几种不同溶剂对牛蒡提取液成分、含量以及体外抗氧化性的影响。
- RESULTS The content of both honokiol and magnolol was above 95% after one step and the average extraction yield was above 82%. 结果一步反应分离得到和厚朴酚与厚朴酚,其纯度大于95%25,总提取率为82%25。
- METHODS The extraction process was studied by orthogonal design with the extract yield of icariine as detective markers. 方法:用正交设计法以方中君药淫羊藿药材的主要成分淫羊藿苷的总量为指标,对其水煎工艺及醇沉工艺进行筛选。
- Wood conversion and extract yield increased and gas yield decreased with increasing of pressure. 随着压力的增加,木材转化和萃取物产率增加,气体产率减少。
- The research on extraction yield of Auricularia auriculars polysaccharides from thick powder and ultra-fine powder by acid method in this paper. 通过酸法(柠檬酸-柠檬酸钠缓冲液)提取黑木耳多糖,并比较粗粉和超微粉多糖的提取率,分别通过正交试验确定了黑木耳粗粉与超微粉多糖的最佳提取因素。
- The extraction procession of Gandujing granules was studied by orthogonal design with dry extract yield and chlorogenic acid as the detective marker. 以干膏得率和绿原酸提取率为考核指标,采用正交设计法对肝毒净颗粒水提取工艺进行考察。
- The double roll press is a washing equipment which assembles washing, dehydration, substitution and press with high pulp concen-tration and extraction yield. 双辊挤浆机是集洗涤、脱水、置换和压榨于一体的洗涤设备,具有较高的出浆浓度和提取率。
- CONCLUSION Microwave technology for oridonin extraction has advantages of rapid extraction, simple operation, saving solvent and higher extraction yield, etc. 结论采用微波萃取技术提取冬凌草甲素,具有提取快速、操作简便、节省溶剂和有效成分提取率高等优点。
- CONCLUSION Microwave technology for oridonin extraction has advantages of rapid extraction,simple operation,saving solvent and higher extraction yield,etc. 结论采用微波萃取技术提取冬凌草甲素,具有提取快速、操作简便、节省溶剂和有效成分提取率高等优点。
- The whole process is conducted under mild condition and the extraction yield of the product is high.The product has a high concentration of allicin and is stable. 全部工艺在温和条件下实现,产品提取率高,产品中大蒜素含量高,稳定性强。
- Compared with the reflx,MAE showed many advantages,such as higher extraction yield,shorter time,use of less solvent,being manipulated expediently and ea... 与传统的回流法进行比较,微波提取法具有提取效率高、所需时间短、提取溶剂用量少、操作方便、便于推广普及等优点,亦可用于其它样品的提取分析。
- Extraction process from salvia miltiorrhiza was examined by comparing the water extraction with enzymatic extraction to improve the extraction yield of water-soluble ingredients. 为提高丹参水溶性成分的提取率,在研究水提法提取丹参水溶性成分的基础上,进行了生物酶法提取丹参水溶性成分的研究。
- Methods Orthogonal experiment was used to determine the optimal soaking period , water amount, and decocting time with the extract yield and chlorogenic acid yield as markers. 方法采用正交实验的方法,以绿原酸提取率和得膏率为指标,来考查浸泡时间、加水量和煎煮时间对绿原酸提取效果的影响。
- The results showed when a combination of 5‰ of Cellulase (to the dry matter) and 5‰of Hemicellulase,extract yield of Ferulic Acid would be the highest. 结果表明,5‰(相对干物质)的纤维素酶协同5‰果胶酶对麸皮进行预处理,提取所得阿魏酸量最多。
- Method: The extractive yield and total flavonoids were used to screen the extracting dissolvent. 方法: 以提取物得率及提取物中总黄酮含量为检测指标,对提取溶剂进行筛选;
- Methods Orthogonal design and HPLC-ELSD were used in the determination and assessment of the extractive yield and the content of manninotriose. 方法:以高效液相蒸发光散射(HPLC-ELSD)为含量测定方法,采用正交实验,以浸膏得率和甘露三糖含量为考察指标,对甘露三糖的提取工艺条件进行优选。
- Methods: Orthogonal design and HPLC-ELSD were used in the determination and assessment of the extractive yield and the content of manninotriose. 方法:以高效液相蒸发光散射(HPLC-ELSD)为含量测定方法,采用正交实验,以浸膏得率和甘露三糖含量为考察指标,对甘露三糖的提取工艺条件进行优选。