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Shelf Life Dating Confusion Safety vs Quality • August 1998 Prevention Magazine - NBC survey – 61% feel sell by is last date to safely sell – 34% feel use by is last date to safely use • 1999 IFT document to RCs related to safety and open date • 1999 National Enquirer – Use by date is a stern warning on meats, poultry and other perishables. Pay close attention and do not use once date is passed • Food Technology July 1999 “Playing the Open Dating Game” Ted Labuza and Lynn Szybist
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History and future of TTI & RFID Tr
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Passive -Information only food labe
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ypes of food dating Code date Born
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But: dates by themselves ignore t-T
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Shelf Life Dating • OTA Study on
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NSF Food Loss Survey 1979 • froze
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The 3 Company Trio • 3M wax diffu
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Chemical Tag Design parameters •
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3M Diffusion Tag http://www.fdcpack
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3M MonitorMark 100 ARRHENIUS PLOT T
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US Patent 5,667,303 • Time-Temper
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3M Commercial Tests of 2nd Gen Moni
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MonoPrix France 180 stores Freshnes
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Vaccine Vial Monitor (VVM) • WHO
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Days of Shelf life of milk System P
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20 °C Log N C 4 °C A B D Time
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Consumer demand for dating • 1998
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Other early systems
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Area under T vs t curve
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Amount of Change for Q 10 = 6 • f
Page 45 and 46: Tropicanna Fresh OJ Food Tech June
Page 47 and 48: 61 FR 59372-82 Transportation and S
Page 49 and 50: • FIFO vs LSFO system (Wells and
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: Listeria monocytogenes • Major co
Page 99 and 100: Journal of Food Protection, Vol. 68
Page 101 and 102: 4. Should safety-based ‘‘use-by
Page 103 and 104: Listeria Shelf Life (100 CFU/g) on
Page 105 and 106: Days 100 10 1.0 Days to detect botu
Page 107 and 108: New Driving sectors Generation IV A
Page 109 and 110: The kick- start of RFID • Wal-Mar
Page 111 and 112: Shelf Life Consumed Approach to red
Page 113 and 114: KSW TempSense www.ksw-microtec.de
Page 115 and 116: Micro-electronic TTI tag vendors
Page 117 and 118: Critical Factor - Cost
Page 119 and 120: Use concerns • Influence of envir
Page 121 and 122: That’s all folks
Page 123: References • TTI Web Site • Cur
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