Results 231 to 240 of about 31,210 (261)

Structure, stability and antioxidant activity of dialdehyde starch grafted with epicatechin, epicatechin gallate, epigallocatechin and epigallocatechin gallate

Journal of the Science of Food and Agriculture, 2022
Abstract BACKGROUND Catechins, a member of the flavonoids, exist widely in teas, and have health benefits. However, catechins have poor stability, which greatly limits their application.
Huimin Yong, Huixia Hu, Zhihao Wang, Dawei Yun, Juan Kan, Jun Liu   +5 more
openaire   +2 more sources

Characterization of Sulfated Quercetin and Epicatechin Metabolites

Journal of Agricultural and Food Chemistry, 2012
Different monosulfates of quercetin and epicatechin with metabolic interest were obtained by hemisynthesis and characterized regarding their chromatographic behavior and absorption and mass spectra. Three of these compounds were further isolated, and their structures were elucidated by mass spectrometry and (1)H and (13)C nuclear magnetic resonance ...
Montserrat, Dueñas, Susana, González-Manzano, Felipe, Surco-Laos, Ana, González-Paramas, Celestino, Santos-Buelga   +4 more
openaire   +2 more sources

Quantification of (−)-epicatechin and procyanidin B2 in chocolates

Journal of Planar Chromatography – Modern TLC, 2011
Validation of a method for the quantification of (–)-epicatechin and procyanidin B2 in chocolates is reported. After a simple preparation of the chocolate test solution, thin-layer chromatography (TLC) on high-performance thin-layer chromatographic (HPTLC) cellulose plates with n-propanol–water–acetic acid (20:80:1, v/v) and derivatization with 4 ...
Glavnik, Vesna, Simonovska, Breda, Vovk, Irena, Mutavdžić Pavlović, Dragana, Ašperger, Danijela, Babić, Sandra   +5 more
openaire   +2 more sources

‘Leuco-cyanidin’ and Epicatechin

Nature, 1953
Bate-Smith and Swain1 have recently come to the conclusion that the so-called condensed, ‘catechin’, tannins are in many instances identical with the ‘leuco-anthocyanins’ described by Robinson and Robinson2. Recent work here has suggested that the catechins and ‘leuco-anthocyanins’ are extremely closely related.
openaire   +1 more source

Absorption and Urinary Excretion of (−)-Epicatechin after Administration of Different Levels of Cocoa Powder or (−)-Epicatechin in Rats

Journal of Agricultural and Food Chemistry, 2001
(-)-Epicatechin is a major polyphenol component of cocoa powder. The absorption and urinary excretion of (-)-epicatechin following administration of different levels of either cocoa powder (150, 750, and 1500 mg/kg) or (-)-epicatechin (1, 5, and 10 mg/kg) were evaluated in rats.
S, Baba, N, Osakabe, M, Natsume, Y, Muto, T, Takizawa, J, Terao   +5 more
openaire   +2 more sources

(+)-Catechin and (−)-epicatechin in Bulgarian fruits

Journal of Food Composition and Analysis, 2005
Abstract Fifteen different fruits were analyzed. (+)-Catechin and (−)-epicatechin were determined with RP-HPLC and fluorescence detection. The LOD and LOQ are 0.1 and 0.3 mg/kg fresh weight, respectively. The uncertainty of determination is Δ ¯ u = ± 0.3 mg / kg for (+)-catechin and Δ ¯ u = ± 0.8 mg /
Silvia Tsanova-Savova, Fany Ribarova, Maria Gerova   +2 more
openaire   +1 more source

Effects of (−)-epicatechin on hepatic triglyceride metabolism

Food & Function
(−)-Epicatechin (EC) consumption promotes changes in liver lipid homeostasis by increasing hepatic TG levels and DGAT2 and PPARα expression in mice. In human HepG2 cells, EC and its metabolites did not replicate these effects on TG accumulation.
Zahra Mostofinejad, Eleonora Cremonini, Jiye Kang, Patricia I. Oteiza   +3 more
openaire   +2 more sources

Polymeric proanthocyanidins: interflavanoid linkage isomerism in (epicatechin-4)-(epicatechin-4)-catechin procyanidins

Journal of the Chemical Society, Chemical Communications, 1981
Heterogeneity of the interflavanoid linkages in trimeric procyanidinns was demonstrated by the isolation of epicatechin-4,8-epicatechin-4,8-catechin (1), epicatechin-4,8-epicatechin-4,6-catechin (2), and epicatechinditions used, thus establishing the validity of partial acid-catalysed thiolytic cleavage for deeteermining the configuration of ...
Richard W. Hemingway, L. Yeap Foo, Lawrence J. Porter   +2 more
openaire   +1 more source

ANTIDIABETIC EFFECT OF (-)-EPICATECHIN

The Lancet, 1982
B K, Chakravarthy, S, Gupta, K D, Gode
openaire   +2 more sources

LACK OF ANTIDIABETIC EFFECT OF (-)-EPICATECHIN

The Lancet, 1982
H, Kolb, U, Kiesel, B, Greulich, J, van der Bosch   +3 more
openaire   +2 more sources