Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Anticandidosic Activity and Acute Toxicity of Quercus suber L. Bark Extracts

Version 1 : Received: 5 September 2021 / Approved: 7 September 2021 / Online: 7 September 2021 (10:32:31 CEST)

How to cite: Lahlimi-Alami, Q.; Layachi, R.; Hassikou, R.; Benjelloun, J.; Guennoun, N.; Zaid, Y.; Bouzroud, S. Anticandidosic Activity and Acute Toxicity of Quercus suber L. Bark Extracts. Preprints 2021, 2021090117 (doi: 10.20944/preprints202109.0117.v1). Lahlimi-Alami, Q.; Layachi, R.; Hassikou, R.; Benjelloun, J.; Guennoun, N.; Zaid, Y.; Bouzroud, S. Anticandidosic Activity and Acute Toxicity of Quercus suber L. Bark Extracts. Preprints 2021, 2021090117 (doi: 10.20944/preprints202109.0117.v1).

Abstract

The cork oak (Quercus suber L.), endemic essence of the Mediterranean Basin, is commonly used in traditional pharmacopoeia. The main objective of this work is to enhance the valorization of this plant species through the study of the anticandidosic activity of cork oak bark methalonic extracts in order to develop an efficient natural formulation for Candidiasis treatment.The anticandidosic activity of methanolic extracts of Q. suber bark stemming from decoction, maceration and Soxhlet methods of extraction in was tested on five different Candida albicans strains. Our results showed that all the tested extracts displayed an inhibitive activity, which varies according to the obtained extract and the tested strain. The best anticandidosic potential was observed with extracts obtained with Soxhlet method. The study of the acute toxicity showed that the lethal dose is 1150 mg/kg in mice, which remained moderately toxic according to Hodge and Sterner classification scale. Thus, this extract can be used in phytotherapy without danger in doses that are below 300 mg/kg of corporal weight. Based on these results, we can conclude that Cork oak bark extracts can be used to treat Candida albicans infections.

Keywords

Anticandidosic activity; Candida albicans; Quercus suber L.; Methanolic extracts; Traditional pharmacopoeia; Acute Toxicity

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