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Journal of Structural Chemistry

2014 year, number 6

CARBON PHYTOSORBENT: PREPARATION AND STRUCTURE

N. G. Gabruk, I. I. Oleinikova, T. A. Shuteeva
Belgorod State National Research University, Belgorod, Russia
Keywords: скорлупа грецкого ореха, карбонизация, углеродный фитосорбент, электронная микроскопия, флавоноиды, зверобой, биологически активные соединения, walnut shell, carbonization, carbon phytosorbent, electron microscopy, flavonoids, St John's wort, biologically active compounds

Abstract

A method for preparing carbon material by carbonizing walnut shell at 700 °C is developed. The sorbent surface is negatively charged. Using scanning electron microscopy it is found that in carbonization the structuring of the sample surface occurs. A method for isolating flavonoids from the herb of St John's wort ( Hypericum perforatum L.) is optimized. The content of the sum of flavonoids in terms of rutin equivalent is 20-50 mg%. The phytocomposition is prepared and the structure of the obtained phytosorbent is studied; the degree of immobilization of biologically active substances is determined.