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Preparation of Ursane Triterpenoids from Centella asiatica Using High Speed Countercurrent Chromatography with Step‐Gradient Elution
Abstract Pentacyclic triterpene aglycones and glycosides of the ursane type were successfully separated from 600 mg of a polar extract from Centella asiatica (Apiaceae) by high speed countercurrent
Preparative Isolation and Purification of Flavonoids and Protocatechuic Acid from Sea Buckthorn Juice Concentrate (Hippophaë rhamnoides L. ssp. rhamnoides) by High-Speed Counter-Current Chromatography
High-speed counter-current chromatography (HSCCC)—a support free all liquid–liquid chromatography technique—has been successfully used for the preparative isolation of isorhamnetin 3-O-β-d-glucoside,
Purification of astilbin and isoastilbin in the extract of smilax glabra rhizome by high-speed counter-current chromatography.
The chemical structures of the two flavonoid glycosides were confirmed by electrospray ionization ion trap multiple mass spectrometry and nuclear magnetic resonance experiments.
Nutritional assessment of processing effects on major and trace element content in sea buckthorn juice (Hippophaë rhamnoides L. ssp. rhamnoides).
Consumption of sea buckthorn juice represents a beneficial source of chromium, copper, manganese, molybdenum, iron, and potassium for the achievement of the respective dietary requirements.
Isolation and structure of Pinotin A, a new anthocyanin derivative from Pinotage wine
K e y w o r d s : Vitis vinifera, red wine, Pinotage, high-speed countercurrent chromatography, anthocyanins, malvidin, vinylcatechol, pyranoanthocyanin. Introduction: The color of red wine is
Di-2-ethylhexyl phthalate in the fruits of Benincasa hispida
Di-2-ethylhexyl phthalate (DEHP) is a commonly used plasticizer that is harmful to human health. magnetic resonance spectroscopy from the edible fruit flesh of Benincasa hispida (wax gourd) of the
Flavonoids from the flowers of Impatiens glandulifera Royle isolated by high performance countercurrent chromatography.
This is the first report on the flavonoid composition of the species Impatiens glandulifera and the developed protocol was successfully used to isolate the main flavonoids from the crude extract of IGFs.