Results 21 to 30 of about 56,741 (293)

A Strategy for Preparative Separation of 10 Lignans from Justicia procumbens L. by High-Speed Counter-Current Chromatography. [PDF]

open access: yesMolecules, 2017
Ten compounds, including three lignan glycosides and seven lignans, were purified from Justicia procumbens L. in 8 h using an efficient strategy based on high-speed counter-current chromatography (HSCCC).
Jiang J   +7 more
europepmc   +2 more sources

Separation of avermectin components from Streptomyces avemitilis extraction using high-speed counter-current chromatography [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2013
Three compounds of antibiotics-avermectins from fertilizing product of Streptomyces avemitilis are achieved by high-speed counter-current chromatography (HSCCC) with a two-phase solvent system composed of n-hexane-ethyl acetate-methanol-water (6:
Su Weike, Hou Zhuoni, Liang Xianrui
doaj   +1 more source

Separation of Four Flavonoid Glycosides from Hydrocotyle sibthorpioides Lam. by High-speed Counter-current Chromatography

open access: yesShipin gongye ke-ji, 2022
For an improved study of flavonoid glycosides of great polarity from Hydrocotyle sibthorpioides Lam (HSL), the large polar flavonoid glycosides were extracted with n-BuOH, purified by DM 301 macroporous resin, Sephadex LH-20 and reversed-phase silica gel
Daoguang SONG, Zhi CHEN
doaj   +1 more source

Preparative Separation of Main Ustilaginoidins from Rice False Smut Balls by High-Speed Counter-Current Chromatography. [PDF]

open access: yesToxins (Basel), 2016
Ustilaginoidins are bis-naphtho-γ-pyrone mycotoxins isolated from the rice false smut balls (FSBs) infected by the pathogen Villosiclava virens in rice spikelets on panicles.
Sun W   +8 more
europepmc   +2 more sources

Isolation and purification of lignans from Schisandra chinensis by combination of silica gel column and high-speed counter-current chromatography [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2013
Silica gel column combined with high-speed counter-current chromatography separation was successfully applied to the separation of schizandrin (I), angeloylgomisin H (II), gomisin A (III), schisantherin C (IV), deoxyschizandrin (V), γ-schisandrin (VI)
Sun Yu   +4 more
doaj   +1 more source

Preparative isolation of three anthraquinones from Rumex japonicus by high-speed counter-current chromatography. [PDF]

open access: yesMolecules, 2011
Three anthraquinones—emodin, chrysophanol, and physcion—were successfully purified from the dichloromethane extract of the Chinese medicinal herb Rumex japonicus by high-speed counter-current chromatography (HSCCC).
Guo S, Feng B, Zhu R, Ma J, Wang W.
europepmc   +2 more sources

Isolation and identification of unstable components from Caesalpinia sappan by high-speed counter-current chromatography combined with preparative high-performance liquid chromatography

open access: yesOpen Chemistry, 2022
Caesalpinia sappan L. (C. sappan L.), a traditional Chinese medicine, has been widely used to treat bruises and dysmenorrhea, performing pharmacological activities such as anti-inflammatory and anti-tumor. C. sappan L.
Wu Yameng   +5 more
doaj   +1 more source

Preparative separation of spirobisnaphthalenes from endophytic fungus Berkleasmium sp. Dzf12 by high-speed counter-current chromatography. [PDF]

open access: yesMolecules, 2013
High-speed counter-current chromatography (HSCCC) was applied for the first time for the preparative separation of spirobisnaphthalenes from a crude extract of the endophytic fungus Berkleasmium sp.
Shan T   +7 more
europepmc   +2 more sources

Preparative separation of sulfur-containing diketopiperazines from marine fungus Cladosporium sp. using high-speed counter-current chromatography in stepwise elution mode. [PDF]

open access: yesMar 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 ...
Gu B   +9 more
europepmc   +2 more sources

Preparative separation and purification of bufadienolides from ChanSu by high-speed counter-current chromatography combined with preparative HPLC

open access: yesQuímica Nova, 2013
Eight bufadienolides were successfully isolated and purified from ChanSu by high-speed counter-current chromatography (HSCCC) combined with preparative HPLC (prep-HPLC).
Jialian Li   +6 more
doaj   +1 more source

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