Abstract
Wound-healing activity of the crystalline form of dihydroquercetin and its microtubular pseudopolymorphic modification obtained by crystal engineering was compared using the rat model of IIIA degree burn. The rate of wound healing in the group treated with microtubular pseudopolymorphic modification of dihydroquercetin was 4.8±0.1%, which was higher by 11.6% than in the group treated with crystalline form (4.3±0.1%). Bioavailability analysis on MDCK cell culture showed that the apparent permeability coefficient of microtubular pseudopolymorphic modification was higher than that of crystalline form by 31.1% (19.4±0.2×10–4 and 14.8±0.3×10–4 cm/sec, respectively). It was proven that the use of crystal engineering improved the biopharmaceutical parameters of dihydroquercetin and increased its pharmacological efficiency.
Key Words: dihydroquercetin, burns, polymorphism, biopharmacy, regenerative medicine
Footnotes
Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 170, No. 10, pp. 452-456, October, 2020
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