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Phenylpropanoids are a numerous group of the secondary metabolites. The pathway of phenolic biosynthesis is induced in plants under the treatment of various unfavorable factors. Phenylpropanoid compounds act twofold: they can be toxic for plant, inhibiting their growth and development, and, on the other side, they protect plants from stress effect. In the paper the most important phenolics, their...
Dandelion plantation was established in two ways: the achenes were either directly sown into the ground, or the plant came from the seedling previously produced in the greenhouse. The content of tannins, polyphenolic acids and flavonoid compounds was determined in one-year-old roots. Dandelion plantation establishment method significantly affected determined secondary metabolites content. The roots...
Tannins are water-soluble polyphenolic compounds found in plants as secondary metabolites. The presence of these substances in the barks of eight different plants was initially examined and their crude extracts were used separately as a substrate for production of tannase through submerged fermentation by Bacillus licheniformis KBR6. Tannase production as well as biodégradation of the substrate reached...
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