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(1) Methods: The determinations of emodin and rhein were carried out by HPLC.

(2) Objective To establish a HPLC method for determining emodin in Radix et Caulis Ventilaginis leiocarpae.

(3) Methods. Aloe-emodin , rhein, emodin and chrysophanol in rhubarb decoction and feces suspension were determined by HPLC methods developed in this study.

(4) ObjectiveTo determine the emodin and chrysophanol contents in Rheum officinale Baill . and Polygonum multiflorum Thunb. Sentencedict.com

(5) To study the effect of EMO ( emodin ) and RH ( rhein ) on the differentiation of rat preadipocytes.

(6) Methods: The contents of aloe - emodin in rhubarb decoctions were determined by RP - HPLC.

(7) The contents of Polydatin and Emodin of Huzhang tablet are measured by UV.

(8) The anthraquinone derivatives include emodin, chrysophanol ararobinol , aloe emodin and chrysophanic acid contained in rhubarb extractum.

(9) ObjectiveThe paper deals with space-time distribution pattern of emodin and chrysophanol content in rhizome, root head, root central, root tip, surplus root in Rumex gmelini.

(10) To study the effect of emodin and tetramethy pyrazine on protecting human embryonic cerebral cortex neuron from being damaged by MMS.

(11) The emodin - treated HK - 2 cells significantly decreased the H 2 O 2 - induced intracellular ROS level.

(12) Methods The emodin and chrysophanol were extracted by methanol or ethanol by means of ultrasonic or refluxing respectively. The emodin and chrysophanol contents were determined by RP-HPLC methods.

(13) Emodin hypo-acid, effective component of rhubarb, can affect proliferation of melanocyte and regulate activity of tyrosinase in cells.

(14) To study the effect of EMO ( emodin ) and RH ( rhein ) on proliferation of rat preadipocytes.

(15) OBJECTIVE To comparing the contents of emodin and chrysophanol in Rheum Palmatum L. of different plant periods and cultivated methods, to offer a scientific basis for GAP.

(16) Objective To determine and compare Rheum emodin in Caulis polygon multiflori from different habitats.

(17) Objective : To determine emodin and chrysophanol in Zhouchewan pills.

(18) Objective To determine the contents of emodin a nd chrysophanol in Qingre Anchuang tablets(QAT)by HPLC.

(19) Method: The emodin and chrysophanol in the releasing mediator were determined by HPLC, and the drug releasing characteristics of Tuizhang gel and Tuizhang oculentum were studied by bag filter method.

(20) Aloin A and aloe emodin were separated by vacuum distillation and purification, and designed orthogonal experiment to find out the best experimental conditions.

(21) The toxic ingredients are a loin and aloe - emodin.

(22) Objective : To a RP - HPLC method for determination the content of emodin and chrysophanol in Yankening tablets.

(23) Objective : To a method for determination of Rheum emodin in Fufang Yeling capsules.

(24) Riboflavin, folic acid, nicotinic acid, glutathione, xanthine, and guanosine exhibited a strong antagonistic action against both rhein and emodin.

(25) Objective To compare and research on various methods for extraction of emodin and chrysophanol Semen Cassiae.

(26) Methods The TLC identification of Rhizoma Polygoni Cuspidati, Rhizoma Gentiana and Rhizoma Zingiber officinale were carried out. Take reverse HPLC to test the content of Emodin in the preparation.

(27) METHODS: a TLC method to detect the quality of emodin in the extraction.

(28) METHODS: The vaccum and spray methods were studied by determination of total anthraquinones and the sum of aloe-emodin, rhein, emodin, chrysophanol and physcion.

(29) The bromine liquid and IR spectrum were used for quality analysis, and the results proved that products were aloin A and aloe emodin.

(30) Results Ultrasonic with methanol was the best extracting method for both emodin and chrysophanol.