Effect of Ascorbic Acid Isomeric Forms on Antibacterial Activity of Its Chitosan Salts


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Abstract

Optical rotatory dispersion studies revealed water solutions of chitosan in L- and D-ascorbic acid to exhibit right rotation with anomalous dispersion and left rotation with normal dispersion, respectively. Microbiological investigation and transmission electron microscopy revealed the chitosan salt with D-ascorbic acid to cause deeper destructive changes than pure chitosan, which resulted in higher antibacterial activity against Staphylococcus aureus 209P and Escherichia coli 113-13.

About the authors

N. O. Gegel’

Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences

Author for correspondence.
Email: gegelno@yandex.ru
Russian Federation, Saratov

I. V. Zudina

Chernyshevsky Saratov State University

Email: gegelno@yandex.ru
Russian Federation, Saratov

O. N. Malinkina

Chernyshevsky Saratov State University

Email: gegelno@yandex.ru
Russian Federation, Saratov

A. B. Shipovskaya

Chernyshevsky Saratov State University

Email: gegelno@yandex.ru
Russian Federation, Saratov


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