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Antihypercholesterolemic Activity of Catechin-free Saponin-rich Extract from Green Tea Leaves
green tea catechin saponin
2009/6/18
Catechins were removed from tea leaves to examine if there were any other components having the antihypercholesterolemic activity. The prepared catechin-free tea extract, TE, contained saponins and ca...
Changes in O-methylated Catechin and Chemical Component Contents of ‘Benifuuki’ Green Tea （Camellia sinensis L.）Beverage under Various Extraction Conditions
green tea beverage epigallocatechin-3-O-(3-O-methyl) gallate gallocatechin-3-O-(3-O-methyl) gallate
2009/6/10
We examined the effects of extraction conditions on the anti-allergic components, epigallocatechin-3-O-(3-O-methyl) gallate (EGCG3″Me) and strictinin during the manufacture of anti-allergic ‘Benifuuki...
Synthesis and Antioxidant Activity of Modified (+)-Catechin Derivatives. Structure-Activity Relationship
Structure-Activity Relationship Modified
2008/11/26
In a screening program for free radical scavengers, new antioxidant compounds have been obtained by C-8 substitution of various groups on (+)-catechin A ring. Their preparation, purification, identifi...
Hydrogen Peroxide Formation during Catechin Oxidation Is Inhibited by Superoxide Dismutase
superoxide anion hydrogen peroxide catechin
2010/11/22
We established a simple method to quantify hydrogen peroxide (H2O2) generated during the aerobic heating process of (+)-catechin solution. Using this method, we found that non-enzymatic H2O2 formation...