Download
Download Download
CFU critical Microbial Life cycle stationary phase log N exponential phase death phase t 0 Below detection lag phase CFU limit N 0 t t Lag TTD time Each has a different temperature sensitivity
Listeria Shelf Life (100 CFU/g) on hotdogs 100.0 10.0 Lag Time Time for 100 x Total time Expon. (Total time) Expon. (Time for 100 x) Expon. (Lag Time) t = 149.69e -0.1176 T R 2 = 0.9385 1.0 0 5 10 15 20 25 30 35 40 Temperature °C Electronic tags can handle all three periods of growth
- Page 51 and 52: FISH SENSORY TEST ISOTHERMAL STORAG
- Page 53 and 54: FISH SENSORY TEST : NON -ISOTHERMAL
- Page 55 and 56: % Life Consumed TTI Center Box TTI
- Page 57 and 58: Reduction in illness using LSFO 0.5
- Page 59 and 60: Other chemical TTI vendors • Bioe
- Page 61 and 62: Data loggers • Reusable • $10-$
- Page 64: Time temperature History 8 7 6 5 4
- Page 67 and 68: iButton • Thermistor (-40 °C to
- Page 69 and 70: Many other companies • 3M Chile
- Page 71 and 72: Other driving forces • Traceabili
- Page 73 and 74: Bioterror • Intentional delivery
- Page 75 and 76: Regs under Biosecurity Act • Regi
- Page 77 and 78: 5 day Lettuce orders Goes to > 1000
- Page 79 and 80: EU Requirement 178/2002 Article 18
- Page 81 and 82: Drivers • Recalls - Majority are
- Page 83 and 84: Days Time to Event 99% stopped 1st
- Page 85 and 86: EU labeling initiative 2003 • EU
- Page 87 and 88: Drivers • Country of Origin Label
- Page 89 and 90: Cool Record keeping http://www.ams.
- Page 91 and 92: Economics • Retail shrink ~ 2.3%
- Page 93 and 94: Consumer Open Dating Survey http://
- Page 95 and 96: Listeria monocytogenes • Major co
- Page 98 and 99: USDA -FSIS 1998 Guidance for Beef G
- Page 100 and 101: 1. What are the scientific paramete
- Page 104 and 105: Clostridium botulinum fish study (G
- Page 106 and 107: Log TTD vs temperature Time to dete
- Page 108 and 109: Electronic “Smart Labels” for T
- Page 110 and 111: Achieving RFID Traceability • Tag
- Page 112 and 113: Electronic TTI solutions and proble
- Page 114 and 115: Micro-electronic TTI tag vendors
- Page 116 and 117: End points • Color change • Lig
- Page 118 and 119: Critical Factors - technology • C
- Page 120 and 121: Traceability concerns • 4th amend
- Page 122 and 123: Contact Dr. Theodore Labuza Departm
CFU<br />
critical<br />
Microbial Life cycle<br />
stationary phase<br />
log N<br />
exponential phase<br />
death phase<br />
t 0<br />
Below<br />
detection<br />
lag phase<br />
CFU limit<br />
N 0<br />
t<br />
t Lag<br />
TTD time<br />
Each has a different temperature sensitivity
Change language