葡萄籽经有机溶剂梯度法及酶法提取,大孔树脂初步纯化,薄层色谱法分离纯化得到原花青素单体和二聚体。
The monomer and dimer of proanthocyanidins in grape seeds were obtained by gradient and enzymatic extraction, isolation with macroporous adsorption resin, and purification by TLC.
方法:以薄层鉴别和含量测定为指标,采用正交设计方法优先尿毒清提取液的分离与纯化工艺条件。
Methods: the Optimum separation and purification process conditions were studied by the orthogonal test with TLC identification and content determination as markers.
本文较全面地对传统和现代的植物甾醇的提取分离、纯化精制以及分析检测方法进行综述,希望对今后植物甾醇的研究会有所帮助。
So, current phytosterol researches lay emphases on the extraction, separation and purification of phytosterols from plant lipids, and on phytosterol content analysis.
提取液经柱层析分离及薄层层析和纸层析进一步纯化。
The extracts were separated by silica gel column chromatography, thin-layer chromatography and paper chromatography.
确立了以有机溶剂提取海藻中的生长素,以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.
通过反复水洗法提取莲藕淀粉,采用络合结构法成功分离纯化直链淀粉和支链淀粉。
Starch from lotus root was separated by repeatedly water washing. With the method of complexing structure, Amylose and amylopectin had been successively separated and purified.
应用酶解技术将纤维质和果胶质水解,提取出细胞质和细胞间液,再经分离纯化可提取海带多糖。
The cytoplasm and intercellular fluid can be extracted from enzyme hydrolyzed cellulosic material and pectin, then the laminarin can be obtained via separation and purification.
本发明公开了一种提取家禽基因组DNA的方法,可应用于实际生产中大规模的采集和分离纯化家禽群体的基因组DNA。
The invention discloses a method for extracting genome DNA of poultry, applied to large-scale collection, separation and purification of genome DNA of poultry in the actual production.
根据各种物料的不同渗透压,从而达到分离、提取、纯化和浓缩的目的。
According to different osmotic pressure of various material, thus achieved the separation, purification and concentration of extraction and purpose.
本文对食用菌多糖的组成、结构、提取和分离纯化研究以及当前的研究状况进行了综述。
This paper summarizes the development of studies on the polysaccharides from edible fungi, including composition, structure, methods of extraction and purification, and their current state.
该文对近几年白藜芦醇提取和分离纯化工艺研究进展进行综述。
Recent research progress of extraction, isolation and purification of resveratrol was reviewed briefly in this paper.
分离纯化北豆根提取物的各种活性成分,找到有效部位和有效成分,并进一步探讨其生物学活性。
To isolate and purify active component and find out the active part and the active component.
结论:活性聚丙烯酰胺凝胶电泳和均质提取法相结合是一种新的分离纯化木聚糖酶的简便、有效方法。
Conclusion: The xylanase purification procedure using native polyacrylamide gel electrophoresis combined with homogenization extraction was a novel and convenient method.
对山葡萄皮中白藜芦醇进行提取和分离纯化,然后研究山葡萄皮中白藜芦醇的抗氧化性质。
In this paper, the extraction and purification of resveratrol from wild grape skin was studied firstly.
目的:优选固骨缓释胶囊中淫羊藿、骨碎补有效部位提取和分离纯化工艺的最佳条件。
OBJECTIVE: To optimize the conditions for the extraction and purification of the active components of Epimedium Herb and Drynaria in Gugu sustained-release capsules.
本试验对鬼臼多糖(PEP)进行提取和分离纯化、并通过实验研究探讨了鬼臼多糖的药理活性。
This paper is performed on extraction technology, purification and immune function of Podophyllum Emodi polysaccharides(PEP).
采用硅胶、聚酰胺、葡聚糖凝胶LH-20柱层析法和制备薄层层析法对乙酸乙酯和正丁醇提取物进行了分离、纯化。
The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.
采用溶剂提取和柱色谱法分离纯化市售大豆粉末磷脂(卵磷脂含量14.05%),得到高纯度的卵磷脂产品(纯度92.80%)。
Phosphatidylcholine of high purity(PC, content 92.80%) was prepared from market soybean power phospholipids(PC content 14.05%) by using solvent extraction and column chromatography.
本研究设计的分离纯化技术路线和方案,能很好地满足蜗牛木聚糖酶的提取、分离和纯化。
This research has designed separation-purification technology route and the plan, can can satisfy the request well for the separation and the purification.
方法:用纯净水提取,溶剂萃取,大孔吸附树脂和硅胶柱色谱分离等方法分离并纯化亚麻根的微量成分,通过波谱分析鉴定化合物的结构。
Method: Isolation and purification of the trace constituents were carried out mainly by solvents extraction and macroporous adsorbing resin and silica gel column chromatography.
通过采用综合分析,将可疑成分提取、分离、 柱色谱纯化,结合NMR、 ICP_AES和元素分析,确证了汤样中的致毒物质是沙蚕毒素类农药“ 杀虫环”。
The components were comprehensively assayed by 1H NMR, ICP _ AES and elemental analysis. They proved to be a pesticide of thiocyclam and its by _ product.
通过采用综合分析,将可疑成分提取、分离、 柱色谱纯化,结合NMR、 ICP_AES和元素分析,确证了汤样中的致毒物质是沙蚕毒素类农药“ 杀虫环”。
The components were comprehensively assayed by 1H NMR, ICP _ AES and elemental analysis. They proved to be a pesticide of thiocyclam and its by _ product.
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