Abstract
A comparative investigation in respect to the qualitative and quantitative composition of carotenoids and chlorophylls from Tribulus terrestris L. wild growing in Ukraine and Bulgaria was conducted. There were no significant differences in the concentration of chlorophyll a, b and carotenoids such as luteine, zeaxanthine in T. terrestris from the investigated regions, though there were bigger amounts of violaxanthine and smaller amounts of neoxanthine in plants from Ukraine.
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