Results 11 to 20 of about 117,843 (251)

Isolation of Sulfuretin and Butin from Rhus verniciflua Stokes Using Medium-pressure Liquid Chromatography and their Tyrosinase Inhibitory Effects

BioResources, 2015
The aim of this study was to separate antityrosinase compounds of the ethyl acetate fraction from Rhus verniciflua Stokes using medium pressure liquid chromatography.
Hongxia Chen, Chengzhang Wang, Jianzhong Ye, Hao Zhou, Ran Tao   +4 more
doaj   +3 more sources

Preparative separation of 1,1-diphenyl-2-picrylhydrazyl inhibitors originating from Saxifraga sinomontana employing medium-pressure liquid chromatography in combination with reversed-phase liquid chromatography. [PDF]

RSC Adv, 2021
Preparative separation of 1,1-diphenyl-2-picrylhydrazyl inhibitors originating from Saxifraga sinomontana employing medium-pressure liquid chromatography in combination with reversed-phase liquid chromatography.
Dang J, Ma J, Dawa Y, Liu C, Ji T, Wang Q.   +5 more
europepmc   +4 more sources

Rapid Separation of Non-Sweet Glycosides from Siraitia grosvenorii by Two-Step Medium-Pressure Liquid Chromatography

Separations
Siraitia grosvenorii (Swingle) C. Jeffrey is widely recognized for its anti-inflammatory properties, as well as its roles in lung purification, phlegm elimination, intestinal function regulation, and anti-tumor activity.
Wanzhen Cai, Xiaoling Tan, Xinghua Dai, Xuerong Yang, Xiaohua Jiang, Yulu Wei, Haiying Jiang, Fenglai Lu   +7 more
doaj   +2 more sources

Separation of Oligosaccharides from Lotus Seeds via Medium-pressure Liquid Chromatography Coupled with ELSD and DAD. [PDF]

Sci Rep, 2017
AbstractLotus seeds were identified by the Ministry of Public Health of China as both food and medicine. One general function of lotus seeds is to improve intestinal health. However, to date, studies evaluating the relationship between bioactive compounds in lotus seeds and the physiological activity of the intestine are limited.
Lu X, Zheng Z, Miao S, Li H, Guo Z, Zhang Y, Zheng Y, Zheng B, Xiao J.   +8 more
europepmc   +5 more sources

PREPARATIVE ISOLATION AND PURIFICATION OF FLAVONE C-GLYCOSIDES FROM THE LEAVES OF FICUS MICROCARPA L.f BY MEDIUM-PRESSURE LIQUID CHROMATOGRAPHY, HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY, AND PREPARATIVE LIQUID CHROMATOGRAPHY [PDF]

Journal of Liquid Chromatography & Related Technologies, 2010
Combined with medium-pressure liquid chromatography (MPLC) and preparative high-performance liquid chromatography (perp-HPLC), high-speed countercurrent chromatography (HSCCC) was applied for separation and purification of flavone C-glycosides from the crude extract of leaves of Ficus microcarpae L. f.
Xiaohong, Wang, Yong, Liang, Licai, Zhu, Huichun, Xie, Hang, Li, Junting, He, Man, Pan, Tianyou, Zhang, Yoichiro, Ito   +8 more
openaire   +2 more sources

A Method to Separate Two Main Antioxidants from Lepidium latifolium L. Extracts Using Online Medium Pressure Chromatography Tower and Two-Dimensional Inversion/Hydrophobic Interaction Chromatography Based on Online HPLC-DPPH Assay

Separations, 2021
Free radicals, including 1,1-diphenyl-2-picrylhydrazyl, mediate oxidative stress to cause many chronic diseases (including cardiovascular diseases, diabetes and cancer). The extract of traditional Tibetan medicine Lepidium latifolium L. (L.
Xiu Wang, Yupei Zhang, Nan Wu, Jingya Cao, Yanduo Tao, Ruitao Yu   +5 more
doaj   +1 more source

Ethyl Acetate Extract of Dracocephalum heterophyllum Benth Ameliorates Nonalcoholic Steatohepatitis and Fibrosis via Regulating Bile Acid Metabolism, Oxidative Stress and Inhibiting Inflammation

Separations, 2022
Dracocephalum heterophyllum Benth is well-known for its ability to alleviate liver heat. In this study, Dracocephalum heterophyllum Benth ethyl acetate extracts were evaluated on mouse models of nonalcoholic steatohepatitis and liver fibrosis.
Yan Fang, Dandan Sun, Gang Li, Yue Lv, Jia Li, Qilan Wang, Jun Dang   +6 more
doaj   +1 more source

Insecticidal characteristics and structural identification of the potential active compounds from Streptomyces sp. KR0006: Strain improvement through mutagenesis

PLoS ONE, 2022
Pest control by biological means is an effective, eco-friendly, and promising method that typically involves compounds naturally derived from actinomycetes. Thus, the present study aimed to screen, characterize, and identify the structure of insecticidal
Young Sook Kim, Mirjalol Umurzokov, Kwang Min Cho, Jung Sup Choi, Kee Woong Park   +4 more
doaj   +2 more sources

Identification of the Hydroxamate Siderophore Ferricrocin in

Natural Product Communications, 2014
The hydroxamate siderophore ferricrocin was identified in Cladosporium cladosporioides growth medium by solid phase extraction and ultra high pressure liquid chromatography coupled to a time of flight mass spectrometer (UHPLC/QTOF-MS).
Nina Pourhassan, René Gagnon, Thomas Wichard, Jean-Philippe Bellenger   +3 more
doaj   +1 more source

Inhibitors of sterol synthesis. Chromatography of acetate derivatives of oxygenated sterols.

Journal of Lipid Research, 1989
The separation of the acetate derivatives of a number of oxygenated sterols was achieved by medium pressure liquid chromatography on silica gel columns and by normal and reversed phase high performance liquid chromatography.
K Kudo, G T Emmons, E W Casserly, D P Via, L C Smith, J St Pyrek, G J Schroepfer, Jr   +6 more
doaj   +1 more source