1Turov, VV, 1Krupska, TV, 1Golovan, AP, 1Andriyko, LS, 1Kartel, MT
1Chuiko Institute of Surface Chemistry of the NAS of Ukraine, Kyiv
Sci. innov. 2017, 13(2):53-59
https://doi.org/10.15407/scine13.02.053
Section: Research and Engineering Innovative Projects of the National Academy of Sciences of Ukraine
Language: English
Abstract: 
The state of water in the powdered plant materials (calendula, hibiscus) and their composite systems with A-300 nanosilicas having different bulk density has been studied by low-temperature 1H NMR spectroscopy method. The change in bulk density has been found to significantly affect the radius of inner cavities in fibrillar space of plant components. The composite systems based on wetting-drying compaction of nanosilica and plant powder have been showed to form a mix with high interaction energy of heterogeneous particles. This results in the effective retention of plant bioactive complex by composite, which enables the development of long-acting herbal drugs.
Keywords: calendula, composite systems, hibiscus, low-temperature 1H NMR spectroscopy, nanosilica, plant materials