THE USE OF EXTRACTS FROM INVASIVE PLANTS AS ADDITIVES FOR BUILDING MATERIALS

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Abstract
Introduction. Invasive plant species invade existing ecosystems, displace native flora species, causing damage to the environment and agriculture. One way to control the spread of invasive species is to use them to create composite materials and additives for building materials. The purpose of the review is a theoretical study and establishment of the possibility of obtaining extracts from plant mass of invasive plants and the development of environmentally friendly biocidal compounds of natural origin to prevent the biological destruction of building materials. Methods. This paper studies Russian and foreign literature concerning the chemical composition of plant extracts, the biological activity of secondary metabolites present, as well as the development of environmentally friendly, non-toxic compounds for humans that are effective for preventing biological deterioration of building materials. Results. The possibility of using extracts from invasive plants growing in the Russian Federation and obtaining modifying additives for building materials based on them is considered. According to data present-ed in Russian and foreign literature, plants such as Heracléum sosnowski, Ambrósia artemisiifolia, Solidago canadensis, Reynoutria japonica and Lupinus polyphyllus contain biologically active compounds: phenols, polyphenols, tannins, flavonoids saponins, anthraquinones, and polysaccharides that inhibit the development of bacteria, viruses, and microscopic mold fungi, suspending their growth and reproduction. Conclusions: The presented review and analysis of literary sources indicate the possibility of using extracts from plant mass of invasive plants as biocidal modifiers for building materials.

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