Preprint Article Version 1 This version is not peer-reviewed

Antibacterial Activity of Ethanolic Extract of Cinnamon Bark and Honey and Their Combination Effects Against Acne Causing Bacteria

Version 1 : Received: 22 December 2016 / Approved: 23 December 2016 / Online: 23 December 2016 (18:37:59 CET)

A peer-reviewed article of this Preprint also exists.

Julianti, E.; Rajah, K.K.; Fidrianny, I. Antibacterial Activity of Ethanolic Extract of Cinnamon Bark, Honey, and Their Combination Effects against Acne-Causing Bacteria. Sci. Pharm. 2017, 85, 19. Julianti, E.; Rajah, K.K.; Fidrianny, I. Antibacterial Activity of Ethanolic Extract of Cinnamon Bark, Honey, and Their Combination Effects against Acne-Causing Bacteria. Sci. Pharm. 2017, 85, 19.

Journal reference: Sci. Pharm. 2017, 85, 19
DOI: 10.3390/scipharm85020019

Abstract

Propionibacterium acnes and Staphylococcus epidermidis are the major skin bacteria that cause the formation of acne. The present study was conducted to investigate antibacterial activity of ethanolic extract of cinnamon bark, honey and their combination against acne bacteria. The antibacterial activity of extract of cinnamon bark and honey were investigated against P. acnes and S. epidermidis using disc diffusion method. Minimum Inhibitory Concentration (MIC) and minimal bactericidal concentration (MBC) were performed using Clinical and Laboratory Standard Institute (CLSI) methods. The interaction combination between extract of cinnamon bark and honey was determined by using a checkerboards method. The results showed that he MIC of extract of cinnamon bark and honey against P. acne were 256 µg/mL and 50% v/v, respectively, while against S. epidermidis were 1024 µg/mL and 50% v/v, respectively. The MBC of extract of cinnamon against P. acnes and S. epidermidis were more than 2048 µg/mL, whereas the MBC for honey against P. acnes and S. epidermidis were 100%. The combination of cinnamon bark extract and honey against against P. acnes and S. epidermidis, showed additive activity with the FICI value 0.625. Therefore, the combination of extract of cinnamon bark and honey has potential activity against acne causing bacteria.

Subject Areas

antibacterial activity, cinnamon, honey, checkerboards method, synergistic activity

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