Evaluating the effect of storage conditions on milk microbiological quality and composition
dc.contributor.author | Paludetti, Lizandra F. | |
dc.contributor.author | Jordan, K. | |
dc.contributor.author | Kelly, Alan L. | |
dc.contributor.author | Gleeson, David | |
dc.date.accessioned | 2019-11-20T04:58:58Z | |
dc.date.available | 2019-11-20T04:58:58Z | |
dc.date.issued | 2018-06-19 | |
dc.description.abstract | In this study, the effect of storage temperature (2 or 4°C) on the composition of milk and microbiological load was investigated over 96 h. Milk samples were collected from farm bulk milk tanks after one complete milking and stored at 2 or 4°C over 96 h. Total bacterial count (TBC), psychrotrophic bacterial count (PBC) and proteolytic bacterial count (PROT) were affected by storage time and temperature and varied significantly between farms (P < 0.05). The levels of TBC, PBC and PROT bacterial count increased from 4.37 to 6.15 log cfu/mL, 4.34 to 6.44 log cfu/mL and 3.72 to 4.81 log cfu/mL, respectively, when the milk was stored for 96 h at 2°C. The milk samples stored at 4°C had higher increases in these bacterial counts after 72 h in comparison to milk samples stored at 2°C. The casein fraction content was lower in milk samples stored at 4°C, which could be due to high levels of PROT bacteria or enzyme activity in these samples. Milk stored for 96 h at 2°C has less impact on composition or processability parameters compared to milk stored at 4°C. | en |
dc.description.status | Peer reviewed | en |
dc.description.version | Published Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.citation | Paludetti, L.F., Jordan, K., Kelly, A.L. and Gleeson, D. (2018) 'Evaluating the effect of storage conditions on milk microbiological quality and composition,. Irish journal of agricultural and food research, 57(1), pp. 52-62. doi:10.1515/IJAFR-2018-0006 | en |
dc.identifier.doi | 10.1515/IJAFR-2018-0006 | en |
dc.identifier.eissn | 2009-9029 | |
dc.identifier.endpage | 62 | en |
dc.identifier.issued | 1 | en |
dc.identifier.journaltitle | Irish Journal of Agricultural and Food Research | en |
dc.identifier.startpage | 52 | en |
dc.identifier.uri | https://hdl.handle.net/10468/9102 | |
dc.identifier.volume | 57 | en |
dc.language.iso | en | en |
dc.publisher | Sciendo | en |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/3.0/ | en |
dc.subject | Cold storage | en |
dc.subject | Dairy microbiology | en |
dc.subject | Proteolysis | en |
dc.subject | Raw milk quality | en |
dc.title | Evaluating the effect of storage conditions on milk microbiological quality and composition | en |
dc.type | Article (peer-reviewed) | en |
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