Journal
BIOMED RESEARCH INTERNATIONAL
Volume 2021, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2021/6663399
Keywords
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The study evaluated the antibacterial effects of Areca Nut fruit extracts against various bacteria and found that methanolic and ethanolic extracts significantly inhibited all ATCC strains, with methanolic extract showing the most significant antibacterial activity against Escherichia coli.
Today, the tendency to use of natural preservatives to increase food security has expanded. In the present study, antibacterial effects of Areca Nut fruit extracts were evaluated against Staphylococcus aureus, Escherichia coli, Salmonella enterica, and Enterobacter aerogenes bacteria using agar disc diffusion technique. Methanol, ethanol, and water were used as solvents for extraction by maceration method, and extracts were analyzed by GC-MS. The antibacterial activity was evaluated using microtiter broth dilution method to determine minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Results revealed that all ATCC strains were significantly inhibited by ethanolic and methanolic extracts. Escherichia coli produced a significantly larger zone of inhibition for Gentamicin (35 +/- 0.65mm) and Penicillin (25mm +/- 0.56), while Enterobacter aerogenes produced smaller zone of inhibition for Gentamicin (20 +/- 0.87mm) and Penicillin (15 +/- 0.87mm). Also, methanolic extract had considerable antibacterial activity with MIC value of 1.56mg/mL against Escherichia coli. All of extracts were used to evaluate antibacterial effects in prepared cake, and as a result, all pathogenies were the most sensitive by methanolic extract in 100mg/L of concentration except Escherichia coli that were more sensitive by ethanolic extract. In conclusion, the Areca Nut fruit extracts may be used as a natural preservative in food industries. Future studies should focus on the effect of Areca Nut fruit extracts in bakery and drinking industries.
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