establishment of hplc fingerprint and comparison of active

Quality standard of traditional Chinese medicines

Traditional Chinese medicine (TCM) are becoming more and more popular all over the world However quality issues of TCM may lead to medical incidents in practice and therefore quality control is essential to TCM In this review the state of TCM in European Pharmacopoeia are compared with that in Chinese Pharmacopoeia and herbal drugs that are not considered as TCM and not elaborated by TCM

Quality Evaluation of Oviductus Ranae Based on

Oviductus Ranae is a nutritional product for both medicine and food Its quality is uneven due to multiple factors An efficient method was established to evaluate the quality of Oviductus Ranae using fingerprint techniques and chemometric methods based on the analysis of polyunsaturated fatty acids (PUFAs) in petroleum ether extract by high performance liquid chromatography (HPLC)

WO2017113881A1

Disclosed is a method for identifying grape seed extract authenticity using the HPLC fingerprint spectrum and in particular a method for identifying the adulteration of a pine bark extract or a peanut skin extract in a grape seed extract The method comprises the following steps: 1) respectively establishing the HPLC fingerprint spectra of the grape seed extract the pine bark extract and

10 1016/j talanta 2008 02 012

In this article different sample preparation procedures were compared including microwave-assisted and ultrasonic extraction condensing reflux and marinated extraction at room temperature microwave-assisted extraction and microwave-assisted extraction was utilized with HPLC and LC–MS for control substance selection and fingerprint

FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper

FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS were demonstrated to be useful in the establishment of chemical composition relationships among Piper samples and resulting in agreement with phylogenic relationships previously reported in literature to some Piper species Tweet

Discriminatory Components Retracing Strategy for

2015-3-13The HPLC-UV fingerprints (* cdf file) were imported into the similarity software for similarity calculation PCA and PLS-DA were applied to the statistical analysis of SKIs based on the HPLC-UV fingerprint data by the commercially available software SIMCA

HPLC

To control the quality of P nodiflora a simple and reliable method of high-performance liquid chromatography combined with ultraviolet detector (HPLC-UV) was established for both the fingerprint analysis and the quantitative determination of two selected active compounds onopordin (4) and eupafolin (7) Statistical analysis of the obtained

Spectrum

2020-3-1The HPLC fingerprints and the reference fingerprint of different extracts of 11 batches among Sabia parviflora were presented in Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Twenty-six peaks (A 1 –A 26 ) with good separation and resolution were picked out as common peaks of different extracts

FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper

FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS FREDDY A BERNAL WILMAN A DELGADO LUIS E CUCA* Laboratorio de Investigacin en Productos Naturales Vegetales Departamento de Qumica Universidad Nacional de Colombia Carrera 30 45-03 Bogot Colombia

Quantitative Analysis of Multi

Abstract A simple and effective method of high performance liquid chromatography (HPLC) with diode array detection was established to identify the origin of Achyranthes bidentata Blume and evaluate its quality based on chromatographic fingerprint combined with the similarity analysis hierarchical cluster analysis and the quantitative analysis of multi-components by single marker (QAMS)

pLR

Both of the catalytic loops retained similar inhibitory potencies towards trypsin or chymotrypsin in comparison with the original intact molecules Thus the replacement of reactive site residues could alter the specificity of these protease inhibitors while the canonical reactive loop alone can independently constitute biologically-active moiety

Authentication of the Bilberry Extracts by an HPLC

A simple and fast high-performance liquid chromatography (HPLC) fingerprint method combining reference standard extract for the identification of bilberry extract was developed and validated Six batches of bilberry extract collected from different manufactures were used to establish the HPLC fingerprint Other berry extracts—such as blueberry extracts mulberry extracts cranberry extracts

"Quantity

Quantitation analysis and chromatographic fingerprint of multi-components are frequently used to evaluate quality of herbal medicines but fail to reveal activity of the components It is necessary to develop a rational approach of chromatography coupled with activity detection for quality assessment of herbal medicines An on-line HPLC-ultraviolet detection-2 2′-azino-bis(3

Evaluation of Coptidis Rhizoma–Euodiae Fructus couple

2018-6-1HPLC–UV (Chu et al 1996 Luo et al 2005) no general fingerprint information is available Therefore the objective of this research is to establish a HPLC DAD method both for fingerprinting analysis to verify the quality consistency of CEC and its related TCMPs and for simultaneous determin-ation of seven major bioactive compounds for

Fingerprint profile of active components for Artemisia

2011-4-1Comparison of enhanced fingerprint and conventional chromatographic fingerprint Considering the superiority of enhanced fingerprint the enhanced profile of an A selengensis Turcz sample which was detected by HPLC–PAD with the wavelength in the range of 200∼500 nm is presented in Fig 3 (A) and then converted to enhanced fingerprint

Analysis of the HPLC Fingerprint and QAMS for

Renal Protective Role of Xiexin Decoction with Multiple Active Ingredients Involves Inhibition of Inflammation through Downregulation of the Nuclear Factor-B Pathway in Diabetic Rats Analysis of the HPLC Fingerprint and QAMS for Sanhuang Gypsum Soup Analysis of the HPLC Fingerprint and QAMS for Sanhuang Gypsum Soup

Recommended Methods for the Identification and

2017-10-18active ingredient delta-9-tetrahydrocannabinol (THC) Most recently there has also been a renewed debate about increasing THC content (frequently referred to as "potency") in illicit cannabis products All of this requires analytical data which are comparable between laboratories and over time

DEVELOPMENT AND VALIDATION OF A HPLC

CONCLUSION: The specificity of the HPLC test for assay of ellagic acid was proven by chromato-graphic comparison and method was found to be specific The linearity of the proposed method was determined from the correlation coefficient and the method was found to be linear and within the range of 50% to 150% of working concentration

Systematic review for geo

Xingyue Yang 1 2 Yali Liu 3 Aijuan Hou 3 Yang Yang 4 Xin Tian 5 Liyun He 3 (): 1 Beijing University of Chinese Medicine Beijing 100029 China 2 State Key Laboratory Breeding Base of Dao-di Herbs China Academy of Chinese Medical Sciences Beijing 100700 China 3 Institute of Basic Research in Clinical Medicine China Academy of Chinese Medical Sciences Beijing 100700 China 4

Analysis of the HPLC Fingerprint and QAMS for

Renal Protective Role of Xiexin Decoction with Multiple Active Ingredients Involves Inhibition of Inflammation through Downregulation of the Nuclear Factor-B Pathway in Diabetic Rats Analysis of the HPLC Fingerprint and QAMS for Sanhuang Gypsum Soup Analysis of the HPLC Fingerprint and QAMS for Sanhuang Gypsum Soup

Comparison of the chromatographic fingerprint

Salvia miltiorrhiza Bge is a traditional Chinese medicine applied in the treatment of various diseases in clinical practice In the course of its processing S miltiorrhiza Bge is usually processed by sweating This study employed 10‐component contents determination coupled with high‐performance liquid chromatography (HPLC) fingerprint and antioxidant activity to investigate the effect

Analysis of the HPLC Fingerprint and QAMS for

2018-7-2HPLC Fingerprint and Similarity Analysis Thirteen batches of samples were prepared according to Section 2 5 and 10 μ L was injected into the HPLC system according to the chromatographic conditions given under Section 2 6 and then the chromatograms were recorded and entered into the similarity analysis software

Future Trends in Standardization of Herbal Drugs

2014-7-8A chromatographic fingerprint of an Herbal Medicine (HM) is a chromatographic pattern of the extract of some common chemical components of pharmacologically active and or chemical characteristics This chromatographic profile should be featured by the fundamental attributions of "integrity" and "fuzziness" or

Chinese Journal of Pharmaceutical Analysis: Ingenta

Journal of Pharmaceutical Analysis is a professional journal administrated by China Association for Science and Technology sponsored by Chinese Pharmaceutical Association held by National Institutes for Food and Drug Control edited and published by the Editorial Board of Journal of Pharmaceutical Analysis and publicly distributed at home and abroad

Recommended Methods for the Identification and

2017-10-18active ingredient delta-9-tetrahydrocannabinol (THC) Most recently there has also been a renewed debate about increasing THC content (frequently referred to as "potency") in illicit cannabis products All of this requires analytical data which are comparable between laboratories and over time

Studies on HPLC Fingerprints of Triterpenoids of

HPLC chromatographic conditions: a reversed phase column (YMC-Pack ODS-AQ 5μm 250 mmx4 6mm idYMC Japan) mobile phase by the A B two-part composition A is the ultra-pure water containing 1% of glacial acetic acid B is methanol (HPLC grade) A: B = 52:48 flow rate: 1 0 mL / min column temperature: 30 C Detection wavelength 250 nm