Journal
JOURNAL OF FOOD SCIENCE
Volume 75, Issue 7, Pages M412-M416Publisher
WILEY
DOI: 10.1111/j.1750-3841.2010.01725.x
Keywords
antibacterial activity; benzyl isothiocyanate; 3-butenyl isothiocyanate; 4-phentenyl isothiocyanate; 2-phenylethyl isothiocyanate
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Funding
- MEST [2007-0056856]
- National Research Foundation of Korea [2007-0056856] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study investigated antibacterial activities of 4 isothiocyanates (3-butenyl, 4-phentenyl, 2-phenylethyl, and benzyl isothiocyanate) against 4 Gram-positive bacteria (Bacillus cereus, Bacillus subtilis, Listeria monocytogenes, and Staphylococcus aureus) and 7 Gram-negative bacteria (Aeromonas hydrophila, Pseudomonas aeruginosa, Salmonella choleaesuis, Salmonella enterica, Serratia marcescens, Shigella sonnei, and Vibrio parahaemolyticus) by an agar disc diffusion assay. Benzyl isothiocyanate (> 90.00 mm inhibition zone diameter at 0.1 mu L/mL) and 2-phenylethyl isothiocyanate (58.33 mm at 0.2 mu L/mL) showed large inhibition zones especially against B. cereus. Also, 3-butenyl isothiocyanate (21.67 mm at 1.0 mu L/mL) and 4-pentenyl isothiocyanate (19.67 mm at 1.0 mu L/mL) displayed potent antibacterial activity against A. hydrophila. Benzyl and 2-phenylethyl isothiocyanate indicated higher activity against most of the pathogenic bacteria than 3-butenyl and 4-pentenyl isothiocyanate, and were more effective against Gram-positive bacteria than Gram-negative bacteria.
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