Results 101 to 110 of about 1,915 (220)
High-speed counter-current chromatography (HSCCC) with a two-phase solvent system composed of n-hextane-ethyl acetate-methanol-water (1.5:1:1.5:1, v/v/v/v) was applied to the isolation and purification of attractants from Chinese cockroach, Eupolyphaga ...
Bin Wu, Xiaodan Wu, Wei Jiang
doaj +1 more source
Methods for Squalene Concentration from Palm Fatty Acid Distillate [PDF]
Two methods for separating and concentrating of squalene from palm fatty acid distillate (PFAD) by optimizing the enzymatic hydrolysis of PFAD which has been neutralized-hydrolyzed-neutralized before being run onto adsorption column chromatography and by
Chua, Camilla Soo Leng
core
New Metabolite With Inhibitory Activity Against α-Glucosidase and α-Amylase From Endophytic
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 +4 more
doaj +1 more source
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 +7 more
doaj +1 more source
Burdock roots are healthy dietary supplements and a kind of famous traditional Chinese medicine, which contains large amounts of caffeoylquinic acid derivatives.
Zhenjia Zheng +5 more
doaj +1 more source
Usos etnofarmacológicos, evidencias y valoración científica de Lippia origanoides Kunt. Especie utilizada en la medicina tradicional indígena americana [PDF]
Introducción: Las comunidades indígenas de Centroamérica y Sudamérica han utilizado plantas medicinales con fines terapéuticos y sagrados basados en sus cosmovisiones.
Ponce Valle, Antonio José
core
High speed counter current chromatography: A support-free LC technique
As separation of components is the major requirement of an analytical chemist, there is always a need for a convenient high throughput technique with minimum sample loss, high efficiency, high resolution, and ease of sample recovery, without ...
Neha Sethi +5 more
doaj +1 more source
In this paper, monomer (+)-catechin; (-)-epicatechin and (-)-epicatechin-3-o-gallate, three oligomeric procyanidin fractions (OPCs) and one polymeric procyanidin fractions (PPCs) were successfully separated and isolated from grape seed extracts using ...
Shuting Zhang, Yan Cui, Baoshan Sun
doaj +1 more source
Flaveria bidentis (L.) Kuntze is a serious invasive plant with allelopathic properties in Hebei, China. To obtain the herbicidal substance from the root extracts of F. bidentis effectively and rapidly, the isolation and purification method was optimized by using high-speed counter-current chromatography (HSCCC).
Jing-Qian Huo +4 more
openaire +1 more source

