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- Objective To study the efficient and simple method of separation of chrysophanol and physcion. 目的研究大黃酚和大黃素甲醚混合物的高效分離方法。
- Conclusion Chrysophanol and physcion could be effectively separated by silica gel column chromatography. 結論硅膠柱色譜可以實(shí)現大黃酚和大黃素甲醚的高效分離；
- Results The significant changes of baicaclin, rhein, emodin, chrysophanol, and physcion had been found. 結果大黃與黃芩配伍合煎后產(chǎn)生了活性成分的動(dòng)態(tài)變化。
- Objective To extract and separate the anthraquinone compounds,such as rhein,emodin,chrysophanol,physcion,etc.from Rhizoma Polygoni Cuspidati. 目的從虎杖中提取并分離蒽醌類(lèi)成分大黃酸、大黃素、大黃酚和大黃素甲醚等。
- HPLC method for the determination of five constituents of rhubarb: aloe-emodin, rhein, emodin, chrysophanol and physcion in Niuhuang Jiedu tablets was esbablished. 建立了HPLC法測定牛黃解毒片中大黃5種成分蘆薈大黃素、大黃酸、大黃素、大黃酚和大黃素甲醚的含量。
- Method:The concentrations of free and combined anthraquinonoids(emodin, rhein, chrysophanol, physcion) in different decoctions were determined with HPLC method respective... 結果:芒硝、厚樸、枳實(shí)與大黃配伍時(shí),大黃各蒽醌類(lèi)成分含量均發(fā)生規律性變化。
- Ahrysophanol and physcion are effective anthraquinones in rhubarb,but it is difficult to separate than other anthraquinones because of resemble structure and close characters. 大黃酚和大黃素甲醚是大黃中有功效的蒽醌類(lèi)成份,由于兩者結構相似,酸性與極性相近,往往難以分離。
- The content of emodin and physcion in 13 Polygonum multiflorum samples,which from 10 different regions of Yunnan Province,was determined by TLC-SC method. 用薄層色譜掃描法測定云南省10個(gè)產(chǎn)地的13份何首烏樣品中大黃素和大黃素甲醚含量。
- A HPLC method for the determination of five constituents of rhubarb: aloe-emodin, rhein, emodin, chrysophanol and physcion in Niuhuang Jiedu tablets was esbablished. 建立了HPLC法測定牛黃解毒片中大黃5種成分蘆薈大黃素、大黃酸、大黃素、大黃酚和大黃素甲醚的含量。
- The content of aloe-emodin, rhein, emodin, chrysophanoland physcion in 3 and 4 year old cultivated Rheum tanguticum, which grew in Qinghai in different months of it growth season, were determined by high performance liquid chromatography. 摘要采用高效液相色譜法，測定3、4年生生長(cháng)季節內不同月份的青海栽培唐古特大黃中蘆薈大黃素、大黃酸、大黃素、大黃酚、大黃素甲醚等5種蒽醌類(lèi)化合物的含量。
- In comparison with those of 1,8-dihydric anthraquinones, the characteristic TG-DTA curves of the free anthraquinones (Rhein, Emodin, Aloe-emodin, Chrysophanol and Physcion) from Rheum were determined. 摘要以1,8-二羥基蒽醌為對照，利用熱重-差熱分析儀對從大黃中分離純化的游離羥基蒽醌（大黃酸、大黃素、蘆薈大黃素、大黃素甲醚和大黃酚）進(jìn)行了測定，得到這些樣品的熱分析圖譜。
- In comparison with those of 1,8-dihydric anthraquinones,the characteristic TG-DTA curves of the free anthraquinones(Rhein,Emodin,Aloe-emodin,Chrysophanol and Physcion) from Rheum were determined. 以1,8-二羥基蒽醌為對照,利用熱重-差熱分析儀對從大黃中分離純化的游離羥基蒽醌(大黃酸、大黃素、蘆薈大黃素、大黃素甲醚和大黃酚)進(jìn)行了測定,得到這些樣品的熱分析圖譜。
- The result showed the difference of the total amount of the tow components above mentioned in these samples is obvious.Emodin and physcion can be divided into free and bound forms. 結果表明不同產(chǎn)地的藥材中二者的總含量和各形態(tài)(游離型及結合型)差別很大,并且主要以結合型存在。
- Keywords solubility parameters;caffeine;aloe-emodin;rhein;emodin;physcione; 溶度參數;咖啡因;蘆薈大黃素;大黃酸;大黃素;大黃素甲醚;
- and the contents of aloe-emodin, emodin, chrysophanic acid, chrysophanol, rheochrysidin, synephrine, and naringin were determined with HPLC. 用HPLC法測定蘆薈大黃素、大黃素、大黃酸、大黃酚、大黃素甲醚、辛弗林、柚皮等的含量。
- ISOLATION OF PHYSCION AND CHRYSOPHANOL BY PREPARATIVE COLUMN CHROMATOGRAPHY 大黃素甲醚和大黃酚制備性柱層析分離
- Seperate method of chrysophanol and physcion in dry column chromatography 干柱層析法分離大黃酚和大黃素甲醚
- Keywords Shaotangshang Gel;emodin;chrysophanol;rhein;physcion;aloe-emodin;HPLC; 燒燙傷凝膠;大黃素;大黃酚;大黃酸;大黃素甲醚;蘆薈大黃素;HPLC;
- Keywords Polygonum multiflorum;Yunnan;Emodin;Physcion;Determination; 何首烏;云南;大黃素;大黃素甲醚;含量測定;
- Rheochrysidin 大黃素甲醚
