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The long-term effects of enhanced UV-B radiation on the content and composition of leaf phenolics in Epilobiumangustifolium L. and Eriophorumrusseolum Fries ex Hartman were studied in northern Finland (68°N) using two UV-B enhancement experiments, both simulating UV-BCIE radiation and corresponding to a 20% loss of ozone layer. High proportions of hydrolyzable tannins (69%) and condensed tannins...
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