Results 31 to 40 of about 584 (134)

Preparative Separation of Sulfur-Containing Diketopiperazines from Marine Fungus Cladosporium sp. Using High-Speed Counter-Current Chromatography in Stepwise Elution Mode

Marine Drugs, 2015
High-speed counter-current chromatography (HSCCC) was successively applied to the separation of three sulfur-containing diketopiperazines (DKPs) (including two new compounds cladosporin A (1) and cladosporin B (3), and a known compound haematocin (2 ...
Binbin Gu, Yanying Zhang, Lijian Ding, Shan He, Bin Wu, Junde Dong, Peng Zhu, Juanjuan Chen, Jinrong Zhang, Xiaojun Yan   +9 more
doaj   +1 more source

Isolation of α-Amylase Inhibitors from Kadsura longipedunculata Using a High-Speed Counter-Current Chromatography Target Guided by Centrifugal Ultrafiltration with LC-MS

Molecules, 2016
In this study, a high-speed counter-current chromatography (HSCCC) separation method target guided by centrifugal ultrafiltration with high-performance liquid chromatography-mass spectrometry (CU-LC-MS) was proposed.
Yin Cen, Aiping Xiao, Xiaoqing Chen, Liangliang Liu   +3 more
doaj   +1 more source

Rapid Screening and Preparative Isolation of Antioxidants from Alpinia officinarum Hance Using HSCCC Coupled with DPPH-HPLC Assay and Evaluation of Their Antioxidant Activities

Journal of Analytical Methods in Chemistry, 2018
An efficient method using high-speed counter-current chromatography (HSCCC) coupled with DPPH-HPLC assay has been developed for rapid screening and preparative isolation of antioxidants from ethyl acetate fraction of Alpinia officinarum Hance.
Lei Fang, Hua Zhang, Jie Zhou, Yanling Geng, Xiao Wang   +4 more
doaj   +1 more source

Preparative Isolation and Purification of Three Sesquiterpenoid Lactones from <em>Eupatorium lindleyanum</em> DC. by High-Speed Counter-Current Chromatography

Molecules, 2012
A high-speed counter-current chromatography (HSCCC) method was established for the preparative separation of three sesquiterpenoid lactones from <em>Eupatorium lindleyanum</em> DC.
Yonghong Hu, Guilong Yan, Yuming Luo, Lilian Ji   +3 more
doaj   +1 more source

Isolation and Identification of Anthocyanin Component in the Fruits of Acanthopanax Sessiliflorus (Rupr. & Maxim.) Seem. by Means of High Speed Counter Current Chromatography and Evaluation of Its Antioxidant Activity

Molecules, 2020
Acanthopanax sessiliflorus (Rupr. & Maxim.) Seem. (Araliaceae) is one of the most abundant species of genus Acanthopanax. The fruits of A. sessiliflorus are used in traditional medical protocols as an analgesic, tonic, antidiabetic, antihypertensive ...
Liang Chen, Xiulan Xin, Hui Feng, Shuangshi Li, Qiguang Cao, Xinying Wang, Frank Vriesekoop   +6 more
doaj   +1 more source

Steviol Glycosides (E960) From Stevia rebaudiana: Technological Innovations, Safety Assessment, Regulatory Aspects and Their Role in Sustainable Food Systems

Food Science &Nutrition, Volume 14, Issue 7, July 2026.
Steviol Glycosides (E960) from Stevia rebaudiana: Technological Innovations, Safety Assessment, Regulatory Aspects and their Role in Sustainable Food Systems. ABSTRACT Stevia (Stevia rebaudiana Bertoni) is a small perennial herb widely recognized as a natural sweetener.
Aswin Sakthivel Manoharan, Ramesh Kumar Selvan   +1 more
wiley   +1 more source

New Metabolite With Inhibitory Activity Against α-Glucosidase and α-Amylase From Endophytic

Natural Product Communications, 2020
An efficient bioactive tracking separation strategy based on liquid-liquid extraction and high-speed counter-current chromatography (HSCCC) was developed and used to isolate bioactive natural products from the endophytic fungus Chaetomium globosum ...
Jianzhao Qi, Dacheng Wang, Xia Yin, Qiang Zhang, Jin-Ming Gao   +4 more
doaj   +1 more source

Characterization, Large-Scale HSCCC Separation and Neuroprotective Effects of Polyphenols from Moringa oleifera Leaves

Molecules, 2022
Moringa oleifera leaves have been widely used for the treatment of inflammation, diabetes, high blood pressure, and other diseases, due to being rich in polyphenols.
Qian Gao, Zongmin Wei, Yun Liu, Fang Wang, Shuting Zhang, Carmo Serrano, Lingxi Li, Baoshan Sun   +7 more
doaj   +1 more source

Antimycobacterial and Nitric Oxide Production Inhibitory Activities of Goyazensolide and Centratherin Isolated From Eremanthus crotonoides by High‐Speed Countercurrent Chromatography

Chemistry &Biodiversity, Volume 23, Issue 3, March 2026.
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.
Natalie Giovanna da Rocha Ximenes, Sanderson Dias Calixto, Thatiana Lopes Biá Ventura Simão, Elena B. Lassunskaia, Patrícia de Homobono de Brito Moura, Ivana Ramos Correa Leal, Michelle Frazão Muzitano, Shaft Corrêa Pinto   +7 more
wiley   +1 more source

Preparative Isolation and Purification of Lignans from Justicia procumbens Using High-Speed Counter-Current Chromatography in Stepwise Elution Mode

Molecules, 2015
Lignans, which are recognized as main constituents in Justicia procumbens, have attracted considerable attention due to their pharmacological activities, including antitumor, anti-hepatitic, cytotoxic, anti-microbial, and anti-virus properties ...
Peijuan Zhou, Qijun Luo, Lijian Ding, Fang Fang, Ye Yuan, Juanjuan Chen, Jinrong Zhang, Haixiao Jin, Shan He   +8 more
doaj   +1 more source