Produção de teores de cumarina no chambá, Justicia pectoralis Jacq. em diferentes tipos de substratos

Abstract

The objective of this work was to evaluate the concentrations of coumarin contents of the plant Justicia pectoralis Jacq., Chambá, in different types of substrates. The experiment was carried out in the medicinal plant greenhouse of the Engineering and Agricultural Sciences Campus of the Federal University of Alagoas, located in the municipality of Rio Largo, AL. The experimental design was completely randomized in an 8 x 6 factorial scheme, with seven replications, with 8 treatments: 1- local soil, 2- compost, 3- sheep manure, 4- sugar cane filter cake, 5- 50 % compost + 50% local soil, 6- 50% filter cake + 50% local soil, 7- 50% sheep manure + 50% local soil and 8- 25% compost + 25% humus earthworm + 50% local soil. And they had six concentrations of coumarin, 50 µl, 75 µl, 100 µl, 200 µl, 300 µl and 400 µl. It was found that the treatment 8 - 50% of local soil + 25% compost + 25% earthworm humus, was the one that obtained the highest coumarin readings with absorbance greater than two and its concentration of 400 µl.

Key words: Ethnobotany, extraction and medicinal.