Results 61 to 70 of about 26,523 (162)

Characterization and quantification of flavonoids and saponins in adzuki bean (Vigna angularis L.) by HPLC–DAD–ESI–MSn analysis

Chemistry Central Journal, 2017
Background Bioactive activities of adzuki bean have been widely reported, however, the phytochemical information of adzuki bean is incomplete. The aim of this study was to characterize and quantify flavonoids and saponins in adzuki bean. High performance
Rui Liu, Zongwei Cai, Baojun Xu
doaj   +1 more source

Method Development for the Analysis of Pharmaceuticals with Acethylcholinesterase Activity in Water Using HPLC-DAD and Solid Phase Extraction

Indonesian Journal of Chemistry, 2014
An SPE followed by HPLC-DAD method with ion pair chromatography technique to analyze pharmaceuticals with acethylcholinesterase activity including pyridostigmine (PYR), galathamine (GAL), neostigmine (NEO), eserine (ESE), and donepezil (DON) in water ...
Samuel Budi Wardhana, Marit Kolb, Müfit Bahadir, Bambang Purwono, Tutik Dwi Wahyuningsih   +4 more
doaj   +1 more source

Characterization of flavonoids in Millettia nitida var. hirsutissima by HPLC/DAD/ESI-MSn

Journal of Pharmaceutical Analysis, 2012
Millettia nitida var. hirsutissima is a Chinese herbal medicine used for the treatment of gynecological diseases. An HPLC/DAD/ESI-MSn method was established for the rapid separation and characterization of bioactive flavonoids in M.
Min Ye, Wen-Zhi Yang, Ke-Di Liu, Xue Qiao, Bei-Jia Li, Jun Cheng, Jie Feng, De-An Guo, Yu-Ying Zhao   +8 more
doaj   +1 more source

Quantification of six bioactive compounds in Zhenqi Fuzheng preparation by high-performance liquid chromatography coupled with diode array detector and evaporative light scattering detector

Journal of Pharmaceutical Analysis, 2011
A simple and accurate high-performance liquid chromatography (HPLC) coupled with diode array detector (DAD) and evaporative light scattering detector (ELSD) was established for the determination of six bioactive compounds in Zhenqi Fuzheng preparation ...
Yi-Kai Shi, Fang Cui, Fang-Di Hu, Ying-Yan Bi, Yu-Feng Ma, Shi-Lan Feng   +5 more
doaj   +1 more source

Comparative Study of Gas and Liquid Chromatography Methods for the Determination of Underivatised Neutral and Acidic Cannabinoids and Cholesterol

Molecules
The aim of our study was to develop a gas chromatographic method coupled with mass spectrometry (GC-MS) for the determination of underivatised neutral (CBDs-N) and acidic (CBDs-A) cannabinoids (CBDs) and cholesterol (Chol).
Marian Czauderna, Tomáš Taubner, Wiktoria Wojtak   +2 more
doaj   +1 more source

Determination of luteolin from extracts of Helicteres hirsuta by HPLC

Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2019
High-performance liquid chromatography coupled with a photodiode array detector (HPLC- DAD) has been reported to quantify isolated compounds. This work was designed, therefore, to develop an HPLC-DAD system to determine luteolin in the extract solutions ...
Le Trung Hieu, Le Lam Son, Nguyen Minh Nhung, Ho Xuan Anh Vu, Tran Thi Anh Thi   +4 more
doaj   +1 more source

Application of Achiral and Chiral High-Performance Liquid Chromatography Methods for Determination of Lactic Acid in Cosmetic Products

Applied Sciences
Lactic acid is a widely used component in cosmetics such as hair care products. High concentration of lactic acid or inappropriate enantiomeric form can have a negative impact on the skin.
Katarína Hroboňová, Paula Lazorová, Emma Sokolová   +2 more
doaj   +1 more source

Comprehensive Quality Assessment of Kaixin Powder by HPLC–DAD Quantification and HPLC–QTOF-MS/MS Confirmation

ACS Omega, 2021
Binbin Wang, Xiaoxiao Feng, Sihan Liu, Feng Qiu, Xuran Lu, Zhaoxia Li   +5 more
doaj   +1 more source

Application of green analytical principles in the HPLC analysis of prednisolone derivatives: Method optimization and validation for nasal powder formulations

Acta Pharmaceutica
Glucocorticoids are a group of drugs increasingly used in modern medical practice due to their pronounced anti--inflammatory and immunosuppressive properties. In this study, prednisolone disodium phosphate and prednisolone acetate were analysed, with the
Klarić Daniela Amidžić, Kovačić Jelena, Klarić Ilija, Bajt Petra, Pribolšan Lana, Križanić Erika, Nodilo Laura Nižić, Mornar Ana   +7 more
doaj   +1 more source

Characterization of Grape Cane Stilbenoids and Their Photo-Degradation Products by HPLC-DAD Coupled With Trapped Ion Mobility Spectrometry and High-Resolution Tandem Mass Spectrometry. [PDF]

Rapid Commun Mass Spectrom
Besrukow P, Schnitker FA, Schweiggert R, Steingass CB.   +3 more
europepmc   +1 more source