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Published on: March 31, 2021
Antibacterial and cytotoxicity evaluation of Arum hygrophilum Bioss
H I Al-Daghistani1, L F Abu-Niaaj, Y Bustanji
1Department of Medical Laboratory Sciences, Faculty of Allied Medical Sciences, Al-Ahliyya Amman University, Amman, Jordan. Labu-niaaj@centralstate.edu.
Objective:
Arum hygrophilum Bioss is a plant native to Asia, Europe, and Northern Africa. It is consumed as beverages, spices, or cooked leaves to cure gastrointestinal infections and cancer. This study aims to determine the antibacterial and anticancer effectivenesss of A. hygrophilum Bioss.
Materials And Methods:
Using the well-diffusion method, the antimicrobial activity of the plant's aqueous extract and five other organic extracts were evaluated against bacteria often associated with food poisoning. The assessment of the antiproliferative activity by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay was done on five cancerous cell lines and on fibroblasts as a reference cell line.
Results:
The growth of L. monocytogenes was significantly inhibited by the aqueous and ethanolic extracts. Both extracts had a minimum inhibitory concentration (MIC) of 62.5 mg/mL. The inhibition caused by the methanolic extract had a MIC of 500 mg/mL. The growth of S. aureus and MRSA were inhibited by the aqueous extract with a MIC of 500 mg/mL, while the inhibition caused by the ethanolic extract had a MIC of 250 mg/mL on MRSA and 500 mg/mL on S.aureus. Both strains of S.aureus were also inhibited by the 3-pentanon extract, while the butanol extract only exhibited a moderate growth inhibition against MRSA. The MTT assay showed that the aqueous extract had not affected the proliferation of cancer cell lines. The cytotoxicity of the ethanolic and methanolic extracts had no concentration-inhibition relationship and the IC50 values were above 800 μg/mL for all extracts.
Conclusions:
L. monocytogenes, S. aureus, and methicillin-resistant Staphylococcus aureus (MRSA) were inhibited by different Arum extracts. The antibacterial activity of Arum hygrophilum Bioss against foodborne pathogens makes it safe to use as a natural food preservative, and as a source for sanitizers and antimicrobials. Further investigation is recommended to determine the cytotoxicity of the plant against additional cancer cell lines.
