Results 21 to 30 of about 1,915 (220)

Purification of Four Caffeoylquinic Acid Derivatives from the Flowers of Gynura Procumbens by HSCCC

Journal of Chromatographic Science, 2021
Abstract Four caffeoylquinic acid derivatives from the Gunura procumbens flowers (GPF) were successfully isolated and purified by high-speed counter-current chromatography (HSCCC). Ethyl acetate–methanol–water (3:1:3, v/v/v) was the optimum biphasic solvent system, which was selected by high-performance liquid chromatography (HPLC) and ...
Ming-Yuan, Cao, Ju-Wu, Hu, Zhen, Gu, Wei, Xiong, Lei, Wu, Jian-Guo, Xu, Lei-Yan, Wu   +6 more
openaire   +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   +1 more source

Advances in extraction and purification of citrus flavonoids

Food Frontiers, Volume 4, Issue 2, Page 750-781, June 2023., 2023
In order to evaluate and utilize citrus flavonoids, isolation and purification are necessary steps. In this review, the technical system of extraction and purification of citrus flavonoids was systematically described. Abstract Flavonoids are the representative active substances of citrus with various biological activities and high nutritional value ...
Chang‐Qing Zhu, Jie‐Biao Chen, Chen‐Ning Zhao, Xiao‐Juan Liu, Yun‐Yi Chen, Jiao‐Jiao Liang, Jin‐Ping Cao, Yue Wang, Chong‐De Sun   +8 more
wiley   +1 more source

Application of Molecularly Imprinted Polymers in Plant Natural Products: Current Progress and Future Perspectives

Macromolecular Materials and Engineering, Volume 308, Issue 3, March 2023., 2023
Molecularly imprinted polymers are very popular because of their specific recognition function. The mechanism, polymerization method, classification, and composition of molecularly imprinted polymers have been reviewed in this paper. This paper focuses on the application of molecularly imprinted polymers in the purification and detection of plant ...
Jiale Zuo, Peirong Ma, Zheng Li, Yanling Zhang, Douxin Xiao, Haixia Wu, Alideertu Dong   +6 more
wiley   +1 more source

Separation of Non-alkaloid Toxin Lignans and New Flavonoid from Himalayan Mayapple (Podophyllum Hexandrum Royle) by High-Speed Counter-Current Chromatography and Their Anti-inflammatory Activity Evaluation

Pakistan Journal of Analytical & Environmental Chemistry
Podophyllum hexandrum Royle (Berberidaceae) is reported from the Himalayan region and China. It is also known as the Himalayan Mayapple and is reported for the treatment of constipation, fever, jaundice, liver disorders, etc.
Iftikhar Ali, Shahid Aziz, Marzia Zahra, Yan Mu, Erum Dilshad, Meher Ali, Xiao Wang   +6 more
doaj   +3 more sources

Aromatic characterization of brazilian sparkling wines using olfactometry and a sensory panel [PDF]

, 2016
Brazilian sparkling wines, which currently account for 30% of the national production of fine wines, have been traditionally produced in the southern region since the 1910s.
Emilio, Celotti, Esther Theisen Gabbardo,, Franco, Battistutta, Lara, Tat, Marcos, Gabbardo   +4 more
core   +1 more source

Optimizations of extraction and separation process of saponins and in vitro antioxidant activity from the female gonad of Apostichopus japonicus

Shipin yu jixie, 2022
Objective: This study aimed to optimize the ultrasonic-assisted extraction technology and HSCCC separation process of saponins from the female gonad of Apostichopus japonicus and to explore their antioxidant activities.
ZHONG Jing-shi, ZHANG Jian, LIU Fang, WANG Gong-ming, WANG Yi-xin   +4 more
doaj   +1 more source

Preparative Isolation and Purification of Altertoxin I from an Alternaria sp. by HSCCC [PDF]

Chromatographia, 2008
Altertoxin I (ATX I) is one of the common mycotoxins produced by genus Alternaria which is a common food pathogen of fruits and grains. To prepare enough quantity of pure ATX I for further research of mutagenicity and toxicology tests, a novel method using preparative high-speed counter-current chromatography (HSCCC) was developed.
Hu, Dejun, Liu, Miao, Xia, Xing, Chen, Daijie, Zhao, Fengsheng, Ge, Mei   +5 more
openaire   +1 more source

Isolation of Anthocyanins by high-speed countercurrent chromatography and application of the color activity concept to different varieties of red grape pomace from Macedonia [PDF]

, 2008
Anthocyanins of Macedonian grape pomace from three varieties “Pinot noir”, “Merlot” and “Vranec” were isolated by high speed countercurrent chromatography.
Kostadinovik, Sanja, Mirhosseini, Hamed, Bogeva, Elena   +2 more
core   +3 more sources

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