Biopreservative effect of pediocin ACCEL on refrigerated seafood |
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| Authors: | Li-Jung Yin Chien-Wei Wu Shann-Tzong Jiang |
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| Institution: | (1) Department of Sea Food Science, National Kaohsiung Marine University, Nan-Tzu, Kaohsiung, Taiwan;(2) Seafood Technology Division, Fisheries Research Institute, COA, Keelung, Taiwan;(3) National Taiwan Ocean University, Keelung, Taiwan;(4) Department of Food and Nutrition, Providence University, Shalu, Taichung County, Taiwan |
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| Abstract: | To investigate the biopreservative effectiveness of pediocin ACCEL on refrigerated seafoods, fresh fish fillets were immersed
in various concentrations of pediocin ACCEL and then stored at either 4° or 0°C. Samples treated with nisin were used as a
positive control. The aerobic plate counts (APC) of samples with bacteriocins were <2.0 log10cfu/g (log cfu/g) after 2 days storage at 0°C, except that with 1500 IU/mL of pediocin ACCEL. The APC of samples with nisin
were >2.0 log cfu/g after 2 days storage, while those with pediocin ACCEL occurred after 1 day storage at 4°C. In refrigerated
seafoods, pediocin ACCEL and nisin suppressed the growth of inoculated Listeria monocytogenes during 2- and 1-week storage at 4°C, respectively. Compared with nisin, the pediocin ACCEL was considered to be more effective
on the suppression of L. monocytogenes growth in refrigerated seafoods during 2-week storage at 4°C. |
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| Keywords: | bacteriocin biopreservative nisin pediocin seafood |
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