Inactivation of Vibrio parahaemolyticus in shucked raw oyster ( Grassostrea gigas) and clam ( Venerupis phillippinarum) by using a combination of NaClO and gamma irradiation
This study investigated the synergistic effects of sodium hypochlorite (NaClO) and gamma irradiation combination against Vibrio parahaemolyticus in shucked oysters and clams. V. parahaemolyticus decreased to 1.1-5.6 log CFU/g in oysters and 1.1-5.7 log CFU/g in clams by NaClO (20-80 ppm) + γ irradia...
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Published in | Food science and technology international Vol. 24; no. 1; p. 43 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
United States
01.01.2018
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Abstract | This study investigated the synergistic effects of sodium hypochlorite (NaClO) and gamma irradiation combination against Vibrio parahaemolyticus in shucked oysters and clams. V. parahaemolyticus decreased to 1.1-5.6 log
CFU/g in oysters and 1.1-5.7 log
CFU/g in clams by NaClO (20-80 ppm) + γ irradiation (0.1-2.0 kGy) combinations. V. parahaemolyticus was not detected by 60 or 80 ppm NaClO + 2.0 kGy. Synergistic reduction of >1 log was observed by 60 ppm NaClO + 0.3-2 kGy and 80 ppm NaClO + 0.5 or 2 kGy. Specifically, >2 log of the synergistic reduction was obtained by 60 or 80 ppm NaClO + 2 kGy. Furthermore, using the Weibull model, 5D values (5-log reductions) were calculated for 60 or 80 ppm NaClO + 0.5-0.9 kGy. No significant differences were observed for all sensory parameters between samples of 2.0 kGy + 0-80 ppm NaClO. This study suggests that 60 ppm NaClO + 2.0 kGy in reducing 7-log V. parahaemolyticus without any deteriorative changes of sensory qualities could be a potential strategy for post-harvest process in seafood processing and distribution to enhance the microbial safety of molluscan shellfish. |
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AbstractList | This study investigated the synergistic effects of sodium hypochlorite (NaClO) and gamma irradiation combination against Vibrio parahaemolyticus in shucked oysters and clams. V. parahaemolyticus decreased to 1.1-5.6 log
CFU/g in oysters and 1.1-5.7 log
CFU/g in clams by NaClO (20-80 ppm) + γ irradiation (0.1-2.0 kGy) combinations. V. parahaemolyticus was not detected by 60 or 80 ppm NaClO + 2.0 kGy. Synergistic reduction of >1 log was observed by 60 ppm NaClO + 0.3-2 kGy and 80 ppm NaClO + 0.5 or 2 kGy. Specifically, >2 log of the synergistic reduction was obtained by 60 or 80 ppm NaClO + 2 kGy. Furthermore, using the Weibull model, 5D values (5-log reductions) were calculated for 60 or 80 ppm NaClO + 0.5-0.9 kGy. No significant differences were observed for all sensory parameters between samples of 2.0 kGy + 0-80 ppm NaClO. This study suggests that 60 ppm NaClO + 2.0 kGy in reducing 7-log V. parahaemolyticus without any deteriorative changes of sensory qualities could be a potential strategy for post-harvest process in seafood processing and distribution to enhance the microbial safety of molluscan shellfish. |
Author | Park, Shin Young Ha, Sang-Do |
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BackLink | https://www.ncbi.nlm.nih.gov/pubmed/28840748$$D View this record in MEDLINE/PubMed |
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CitedBy_id | crossref_primary_10_1016_j_scitotenv_2020_140795 crossref_primary_10_1093_femsle_fnaa119 crossref_primary_10_1016_j_foodchem_2021_131247 crossref_primary_10_1111_1541_4337_12557 crossref_primary_10_1016_j_foodchem_2024_138970 crossref_primary_10_1016_j_foodchem_2020_128632 |
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Keywords | Vibrio parahaemolyticus shucked clam Weibull model shucked oyster NaClO/gamma irradiation |
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Title | Inactivation of Vibrio parahaemolyticus in shucked raw oyster ( Grassostrea gigas) and clam ( Venerupis phillippinarum) by using a combination of NaClO and gamma irradiation |
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