(+)-Catechin and (-)-epicatechin in Bulgarian fruits
2005
Tsanova-Savova, S. | Ribarova, F. | Gerova, M.
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 deltau = +/-0.3 mg/kg for (+)-catechin and deltau = +/-0.8 mg/kg for (+)-epicatechin. (+)-Catechin content in Bulgarian fruits varies from 108.3 mg/kg in black grape to 3.7 mg/kg in pears. (-)-Epicatechin range is from <0.3 mg/kg in fig to 87.0 mg/kg in black grape. The catechins content in Bulgarian fruits are topped by black grape and apricot, 195.3 and 156.0 mg/kg, respectively. The data will be included in the National Food Composition Table and could be used in regional network database systems for exchange of data.
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