Results 1 to 10 of about 67,993 (297)

Simultaneous Determination of Structurally Diverse Compounds in Different Fangchi Species by UHPLC-DAD and UHPLC-ESI-MS/MS [PDF]

Molecules, 2013
Two bisbenzylisoquinoline alkaloids, two morphine alkaloids, one aporphine alkaloid, syringaresinol and aristolochic acid І were selected as marker compounds and simultaneously analyzed using an ultra-high pressure liquid chromatography-diode array ...
Jongki Hong, Kang Ro Lee, Lee Kang Ro
exaly   +4 more sources

The Application of UHPLC-HRMS for Quality Control of Traditional Chinese Medicine

Frontiers in Pharmacology, 2022
UHPLC-HRMS (ultra-high-performance liquid chromatography-high resolution mass spectrometry) is a new technique that unifies the application of UHPLC with HRMS.
Kailin Li, Lianghong Liu, Li Kailin
exaly   +3 more sources

Determination of 69 Pesticide Residues in 42 Batches of Platycodonis Radix and Dietary Risk Assessment Using Combined QuEChERS with GC-MS/MS and UHPLC-MS/MS [PDF]

Foods
This study aimed to establish a rapid analytical method for the determination of 69 pesticide residues in Platycodonis Radix using GC-MS/MS and UHPLC-MS/MS, as well as carry out a dietary risk assessment on 42 batches of Platycodonis Radix samples ...
Jing Ma, Xinyue Qiu, Suiqing Chen, Haibo Wang, Xiaoya Sun   +4 more
doaj   +2 more sources

Validation Method for Simultaneous Analysis of Betamethasone Dipropionate and Retinoic Acid in Cream Formulation by Ultra High-Performance Liquid Chromatography

Pharmaceutical Sciences and Research, 2021
A simple, precise and rapid reverse phase UHPLC-PDA method has been developed and validated for the simultaneous analysis of betamethasone dipropionate (BTM) and retinoic acid (REA) in whitening cream dosage form.
Supandi, Umar Mansyur, Annisa Ananda Ranie, Linda Mazroatul Ulya   +3 more
doaj   +1 more source

Extraction of Anthocyanins and Total Phenolic Compounds from Açai (Euterpe oleracea Mart.) Using an Experimental Design Methodology. Part 3: Microwave-Assisted Extraction

Agronomy, 2020
In this work, two methods based on microwave-assisted extraction techniques for the extraction of both anthocyanins and total phenolic compounds from açai have been developed.
María José Aliaño-González, Marta Ferreiro-González, Estrella Espada-Bellido, Ceferino Carrera, Miguel Palma, Jesús Ayuso, Gerardo F. Barbero, José Á. Álvarez   +7 more
doaj   +1 more source

Methods of the Analysis of Oxylipins in Biological Samples

Molecules, 2020
Oxylipins are derivatives of polyunsaturated fatty acids and due to their important and diverse functions in the body, they have become a popular subject of studies.
Ivan Liakh, Alicja Pakiet, Tomasz Sledzinski, Adriana Mika   +3 more
doaj   +1 more source

A Strategy for Identification and Structural Characterization of Compounds from Plantago asiatica L. by Liquid Chromatography-Mass Spectrometry Combined with Ion Mobility Spectrometry

Molecules, 2022
Plantago asiatica L. (PAL) as a medicinal and edible plant is rich in chemical compounds, which makes the systematic and comprehensive characterization of its components challenging.
Hongxue Gao, Zhiqiang Liu, Fengrui Song, Junpeng Xing, Zhong Zheng, Shu Liu   +5 more
doaj   +1 more source

Extraction of Anthocyanins and Total Phenolic Compounds from Açai (Euterpe oleracea Mart.) Using an Experimental Design Methodology. Part 2: Ultrasound-Assisted Extraction

Agronomy, 2020
Two optimized methods for ultrasound-assisted extraction were evaluated for the extraction of two types of acai bioactive compounds: Total anthocyanins (TAs) and total phenolic compounds (TPCs).
María José Aliaño-González, Estrella Espada-Bellido, Marta Ferreiro-González, Ceferino Carrera, Miguel Palma, Jesús Ayuso, José Ángel Álvarez, Gerardo F. Barbero   +7 more
doaj   +1 more source

Phytochemical Profiles and Antioxidant Activity of Grasses Used in South African Traditional Medicine

Plants, 2020
Grasses are a valuable group of monocotyledonous plants, used as nourishing foods and as remedies against diseases for both humans and livestock. Phytochemical profiles of 13 medicinal grasses were quantified, using spectrophotometric methods and ultra ...
Fikisiwe Gebashe, Adeyemi O. Aremu, Jiri Gruz, Jeffrey F. Finnie, Johannes Van Staden   +4 more
doaj   +1 more source

Pharmacokinetics and Metabolism Study of Deep-Sea-Derived Butyrolactone I in Rats by UHPLC–MS/MS and UHPLC–Q-TOF-MS

Marine Drugs, 2021
Butyrolactone I (BTL-I) is a butanolide isolated from the deep-sea-derived fungus, Aspergillus sp. It provides a potential new target for the prevention and treatment of food allergies.
Liang Wu, Chun-Lan Xie, Xian-Wen Yang, Gang Chen   +3 more
doaj   +1 more source