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Chemataxonomic researches in higher plants. XV Carotenoid and chlorophyll pigments in the leaves of Cannabis sativa L.
Gavrila Neamtu, Gh. Illyes, Ecaterina Pop
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Abstract
In the leaves of Cannabis sativa L. were found the following carotenoid pigments: ?-carotene, lutein, zeaxanthin, violaxanthin, neoxanthin and ?-cryptoxanthin. The ratio between the content of ?-carotene and lutein - which are the principal foliar carotenoids - was supraunitary, a feature that might be used as a chemotaxonomic criterion. It is worth to be mentioned the relatively high content of zeaxanthin and ?-cryptoxanthin in comparison with the level of these pigments in the leaves of most higher plants. The ratio between the content of chlorophyll a and b was of 2,17.