Results 11 to 20 of about 746 (163)

Comprehensive Polyphenolic Profile of Plantago depressa using High-Speed Countercurrent Chromatography Off-line with High-Performance Liquid Chromatography–Diode Array Detector–Quadrupole Time-of-flight Tandem Mass Spectrometry

eFood, 2019
The whole plant of Plantago depressa is commonly used as traditional Chinese medicine and functional food ingredient. Total phenolic content and total flavonoid content evaluation indicated that its ethyl acetate and n-butanol fractions were rich in ...
Jinju Xu, Chaoying Tong, Qiachi Fu, Keke Guo, Shuyun Shi, Yecheng Xiao   +5 more
doaj   +2 more sources

Harnessing the Power of Black Rice Anthocyanins: A Review in Context of Extraction and Chromatographic Techniques

Journal of Food Quality
Black rice, a well-known grain for its anthocyanin-rich pigmentation and nutritional benefits, has gained significant attention in scientific research.
Avneet Kaur, Sukhvinder Singh Purewal, Chidanandamurthy Thippeswamy Swamy, Animesh Sen   +3 more
doaj   +2 more sources

An Off-Line DPPH-GC-MS Coupling Countercurrent Chromatography Method for Screening, Identification, and Separation of Antioxidant Compounds in Essential Oil [PDF]

Antioxidants, 2020
Essential oils are an important source of natural antioxidants and multiple methods have been established for evaluation of their overall antioxidant activity, however, the antioxidant activities of their compounds are less investigated.
Xiang Wang, Guang-Lei Zuo, Chao-Yue Wang, Hyun Yong Kim, Soon Sung Lim, Sheng-Qiang Tong   +5 more
doaj   +2 more sources

Separation and Purification of Lycium barbarum Polysaccharides in Neuroinflammation by High-speed Countercurrent Chromatography [PDF]

Shipin gongye ke-ji
Objective: This study constructed a novel method for the separation and purification of polysaccharides from Lycium barbarum polysaccharide (LBPs) by high-speed countercurrent chromatography with aqueoust two-phase system, and investigated its effect on ...
Gaofeng HAO, Yu CAO, Ning ZHAO, Jianfei LIU, Duolong DI   +4 more
doaj   +3 more sources

Fast preparative separation of flavones from capitula of Eriocaulon ligulatum (Vell.) L.B.Smith (Eriocaulaceae) by High-speed countercurrent chromatography (HSCCC)

Revista de Ciências Farmacêuticas Básica e Aplicada, 2005
High-speed countercurrent chromatography (HSCCC) is a leading method for the fast separation of natural products from plants. It was used for the preparative isolation of two flavone monoglucosides present in the capitula of Eriocaulon ligulatum (Vell ...
L.C. Santos, M.A.M. Silva, C.M. Rodrigues, J. Rodrigues, D. Rinaldo, M. Sannomiya, W. Vilegas   +6 more
doaj   +2 more sources

HPLC-ESI-QTOF-MS/MS Analysis of Artemisia cina Leaves Aqueous Extract and Flavonoid Isolation Using High-speed Countercurrent Chromatography [PDF]

Acta Poloniae Pharmaceutica
Artemisia cina Berg ex Poljakov, a shrubby plant endemic to the semi-arid areas of Kazakhstan, has as a long history of being used in traditional medicines as an antitumour, antifungal and anthelmintic agent.
Sonwabiso Tshunungwa, Bashaer Alsharif, Tolkyn Bekezhanova, Kulzada Begalinovna Bazhykova, Wirginia Kukula-Koch, Fabio Boylan   +5 more
doaj   +3 more sources

Integrating Strategies of Herbal Metabolomics, Network Pharmacology, and Experiment Validation to Investigate Frankincense Processing Effects [PDF]

Frontiers in Pharmacology, 2018
In-depth research on processing can promote the globalization of processed herbs. The purpose of this study is to propose an improved strategy for processing effect investigation.
Zhangchi Ning, Chun Wang, Yuanyan Liu, Zhiqian Song, Xinling Ma, Dongrui Liang, Zhenli Liu, Aiping Lu   +7 more
doaj   +4 more sources

Rapid Separation of Asiatic Acid, Quercetin, and Kaempferol from Traditional Chinese Medicine Centella asiatica (L.) Urban Using HSCCC-Semi-Prep-HPLC and the Assessment of Their Potential as Fatty Acid Synthase Inhibitors. [PDF]

Int J Anal Chem, 2023
The main objective of this study was to rapidly separate asiatic acid (AA), quercetin (QCN), and kaempferol (KPL) from Centella asiatica (L.) Urban using high‐speed counter‐current chromatography (HSCCC) in tandem with the UV detector of semipreparative high‐performance liquid chromatography (Semi‐Prep‐HPLC) and to evaluate their potential as ...
Xia B, Li Y, Liu Y, Sun W, Chen J, Li L, Pang J, Liu X, Chen S, Cheng H.   +9 more
europepmc   +2 more sources

Antimycobacterial and Nitric Oxide Production Inhibitory Activities of Goyazensolide and Centratherin Isolated From Eremanthus crotonoides by High-Speed Countercurrent Chromatography. [PDF]

Chem Biodivers
ABSTRACT In this study, bioassay‐guided fractionation of the ethanolic extract from Eremanthus crotonoides leaves enabled the isolation of two bioactive sesquiterpene lactones, centratherin and goyazensolide, which were evaluated for their antimycobacterial and anti‐inflammatory properties.
da Rocha Ximenes NG, Calixto SD, Simão TLBV, Lassunskaia EB, de Homobono de Brito Moura P, Leal IRC, Muzitano MF, Pinto SC.   +7 more
europepmc   +2 more sources

Review of High-Speed Countercurrent Chromatography in Separation of Lanthanides and Actinides

He huaxue yu fangshe huaxue, 2022
In the field of radiochemistry, separation of lanthanides and actinides has always been one of the research hotspots. In order to achieve the burnup analysis, the lanthanide and actinide elements in the solution need to be separated.
LI Yu-hao, DING You-qian, WANG Xiu-feng, GANG Fa-yuan, YUE Yuan-zhen, FU Zhi-hai, BAI Long   +6 more
doaj   +1 more source