Abstract
Abstract
The article outlines the problems of the widespread distribution of the Sosnovsky hogweed in the Novgorod region of the Russian Federation. The results of experiments on the extraction of coumarins from the dry mass of the Sosnowsky hogweed in the biotechnology laboratory of Yaroslav-the-Wise Novgorod State University are considered. Particular attention is paid to methods for the isolation of coumarins: extraction with ethyl alcohol and sublimation with magnesium oxide. The author comes to the conclusion that a better product with a minimum amount of impurities is obtained by sublimation. Based on the study of samples of Sosnovsky hogweed from different regions, it was found that the content of coumarins depends on the growing conditions. Sosnovsky hogweed, growing in the northern region, was found to be small in size, but with a greater content of coumarins. Coumarins extracted from Sosnowsky hogweed can be used as growth stimulants and as plant protection products.
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