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Antimicrobial activity of lining leathers fatliquored with addition of cinnamon oil

Key words:
essential oils, cinnamon oil, antimicrobial activity,
lining leathers, leather oiling process

Summary
Microbiological leather decomposition and deterioration caused by bacterial and
fungal activity present a significant problem in the tanning industry. The protection of
raw materials against adverse effects of microorganisms is related to chemicals used
for preventing the growth of microorganisms introduced into leathers during
processing. For this purpose it is possible to use of substances of plant origin –
essential oils due to its antiseptic activity. The studies conducted hitherto by the
authors on efficiency of selected essential oil confirmed that the oil derived from the
tree called Cinnamomum verum introduced at amount of 5% (w/w) leather provides
an effect of antimicrobial treatment at appropriate level.
In this paper the work has been continued and the microbiological resistance of
leather samples, where cinnamon oil was introduced at amounts of 1% and 3% (w/w)
respectively to the three bacteria strains: Staphylococcus aureus, Staphylococcus
epidermidis, Escherichia coli and two fungal strains: Scopulariopsis brevicaulis and
Candida albicans. The size of growth inhibition zone around leather samples as well
as the presence of microorganisms in the zone between the sample and the
microbiological medium was estimated one month from oiling. Good effects of
antimicrobial treatment has been achieved when cinnamon oil was used at amount of 3% towards the fungi mentioned above, while a satisfactory antibacterial effect was
observed against bacteria Staphylococcus epidermidis only. By introducing cinnamon
oil into leather at amount of 1% allowed the desired effect to be achieved for the
fungus Scopulariopsis brevicaulis only.

mgr inż. Elżbieta BIELAK*,
prof. dr hab. Ewa MARCINKOWSKA * ,
dr inż. Justyna SYGUŁA-CHOLEWIŃSKA **
Cracow University of Economics,
Faculty of Commodity Science,
*
Department of Industrial Commodity Science,
**
Department of Microbiology,
ul. Rakowicka 27, Cracow 31-510, Poland,
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it., This email address is being protected from spambots. You need JavaScript enabled to view it.

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