Results 31 to 40 of about 1,586,292 (228)

Isolation of lanosterol and dihydrolanosterol from the unsaponifiable matter of lanolin by urea complexation and countercurrent chromatography in heart-cut recycling mode.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 2022
4,4-Dimethyl-substituted sterols are bioactive minor sterols of most animal fats and plant oils, but higher shares are present in lanolin (wool grease).
F. Rüttler, Tim Hammerschick, S. Schlag, W. Vetter   +3 more
semanticscholar   +1 more source

Separation of the Glycosylated Carotenoid Myxoxanthophyll from Synechocystis Salina by HPCCC and Evaluation of Its Antioxidant, Tyrosinase Inhibitory and Immune-Stimulating Properties

Separations, 2020
Global demand for natural pigments has increased in the past few years. Myxoxanthophyll, a glycosylated monocyclic carotenoid, is a pigment that occurs naturally in cyanobacteria but no scalable isolation process has been developed to obtain it from its ...
Michaela Nováková, Tereza Fábryová, Doris Vokurková, Iva Dolečková, Jiří Kopecký, Pavel Hrouzek, Lenka Tůmová, José Cheel   +7 more
doaj   +1 more source

Solvent strength of organic phase for two biphasic solvent systems in high speed countercurrent chromatography.

Journal of Chromatography A, 2022
In this work, relationships between solvent strength of organic phase (ψ) for two biphasic solvent systems in high speed countercurrent chromatography, hexane-ethyl-acetate-methanol-water (HEMWat) and ethyl acetate-n-butanol-water (EBuWat), and partition
Tingting Lin, Benedict L. S. Chen, Liqun Fang, Haibo You, Chu Chu, Qing-Song Shao, Sheng-Qiang Tong   +6 more
semanticscholar   +1 more source

Mexican Native Black Bean Anthocyanin-Rich Extracts Modulate Biological Markers Associated with Inflammation

Pharmaceuticals, 2023
This work aimed to obtain and characterize anthocyanin-rich extracts (ARE) from native black beans and evaluate their antioxidant and anti-inflammatory potential. The initial extract was obtained by supercritical fluids (RE) and purified using Amberlite®
Jonhatan Contreras, Montserrat Alcázar-Valle, Eugenia Lugo-Cervantes, Diego A. Luna-Vital, Luis Mojica   +4 more
doaj   +1 more source

Countercurrent chromatography in analytical chemistry (IUPAC technical report) [PDF]

, 2009
© 2009 IUPACCountercurrent chromatography (CCC) is a generic term covering all forms of liquid-liquid chromatography that use a support-free liquid stationary phase held in place by a simple centrifugal or complex centrifugal force field. Biphasic liquid
Sutherland, IA, Ian A. Sutherland, Tatyana Maryutina, Maryutina, T, Spivakov, B, Boris Spivakov, Shpigun, O, Berthod, A, Alain Berthod, Oleg Shpigun, Sutherland, Ian A., Iqbal, M. S., Torto, N., Lobinski, Ryszard, Labuda, J., Mester, Z., Motomizu, S., Trendafilova, N., Shpigun, Oleg, Smith, R. M., Knox, D. E., Lund, W., Fajgelj, A., Spivakov, Boris, Camoes, M., Maryutina, Tatyana, Berthod, Alain, Hibbert, B., Chai, Z., Apak, R., Minkkinen, P., Felinger, A., Aggarwal, S. K., Pingaron, J., Jarosz, M., Kim, H., de Zorzi, P., de Bieyre, P.   +37 more
core   +2 more sources

Isolation of saturated alkylresorcinols from rye grains by countercurrent chromatography.

Journal of Separation Science, 2021
Alkylresorcinols (5-alkyl-1,3-dihydroxybenzenes) are amphiphilic phenolic lipid compounds which are abundant in cereals, with highest contents in rye. Alkylresorcinols are suspected to show a wide range of favourable biological activities.
Tim Hammerschick, T. Wagner, W. Vetter
semanticscholar   +1 more source

Preparative Isolation of Antimycobacterial Shoreic Acid from by High Speed Countercurrent Chromatography

Natural Product Communications, 2008
High speed countercurrent chromatography (HSCCC) was used to isolate the dammarane type triterpene shoreic acid from the dichloromethane extract of leaves of Cabralea canjerana , which showed activity against Mycobacterium tuberculosis .
Gilda G. Leitão, Lisandra F. Abreu, Fernanda N. Costa, Thiago B. Brum, Daniela Fernandes Ramos, Pedro Eduardo A. Silva, Maria Cristina S. Lourenço, Suzana G. Leitão   +7 more
doaj   +1 more source

Separation and Purification with a Liquid Stationary Phase

Separations, 2017
Yoichiro Ito introduced countercurrent chromatography (CCC) in 1966, reporting the separation of blood plasma cells with a sealed helical tube. Since then, CCC has been a fertile ground for instrumental and technical innovation. The key innovation of CCC
Alain Berthod
doaj   +1 more source

Review of centrifugal liquid-liquid chromatography using aqueous two-phase solvent (ATPS) systems: Its scale-up and prospects for the future production of high-value biologics [PDF]

, 2007
The future challenges in bioprocessing include developing new downstream processes for the purification and manufacture of the protein based medicines of the future to relieve the predicted bottleneck being produced by increasingly high titres from ...
Sutherland, I A
core   +4 more sources

Advances in Eco-Friendly Extraction of Fruit Bioactive Compounds: Technologies, Challenges and Future Directions. [PDF]

Anal Sci Adv
Fruit bioactive compounds offer antioxidant, anti‐inflammatory, and preventive benefits, yet extraction is hindered by poor solubility and conventional methods using toxic solvents and high energy. This review evaluates traditional and advanced eco‐friendly technologies, highlighting efficiency, selectivity, and sustainability.
Hndeya AG, Sbhatu DB, Gebreyohannes G.
europepmc   +2 more sources