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Development of TTI • 1977 WHO issues report on need to improve cold chain because of vaccine distribution problem in LDCs (84% ineffective • Wendel Manske @ 3M – Monitor-Mark Diffusion tag – US patent 3,954,011 5/76 3M • K. Blixt -Swedish patent for i-Point device • Byrne (General Foods ) & Kramer (UMD) 1977 – presented correlation study of tags vs food change for frozen foods – Used i-Point and 3M Monitor Mark missed the key kinetic point
Shelf Life Dating • OTA Study on Open Shelf Life Dating of Foods 1979-81 – Open dating is state driven (~30 in 2002) – No federal requirements on food but required on drugs, OTC and infant formula – Open shelf life dating of foods is desirable – Open date compromised if temperature abused – Federal Govt should support TTI research
Page 2 and 3: History and future of TTI & RFID Tr
Page 4 and 5: Passive -Information only food labe
Page 6 and 7: ypes of food dating Code date Born
Page 9: But: dates by themselves ignore t-T
Page 13 and 14: NSF Food Loss Survey 1979 • froze
Page 15 and 16: The 3 Company Trio • 3M wax diffu
Page 17 and 18: Chemical Tag Design parameters •
Page 19 and 20: 3M Diffusion Tag http://www.fdcpack
Page 21 and 22: 3M MonitorMark 100 ARRHENIUS PLOT T
Page 23 and 24: US Patent 5,667,303 • Time-Temper
Page 25 and 26: 3M Commercial Tests of 2nd Gen Moni
Page 27: MonoPrix France 180 stores Freshnes
Page 30 and 31: Vaccine Vial Monitor (VVM) • WHO
Page 33 and 34: Days of Shelf life of milk System P
Page 35 and 36: 20 °C Log N C 4 °C A B D Time
Page 37 and 38: Consumer demand for dating • 1998
Page 39 and 40: Other early systems
Page 41 and 42: Area under T vs t curve
Page 43 and 44: 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
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iButton • Thermistor (-40 °C to
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Many other companies • 3M Chile
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Other driving forces • Traceabili
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Bioterror • Intentional delivery
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Regs under Biosecurity Act • Regi
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5 day Lettuce orders Goes to > 1000
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EU Requirement 178/2002 Article 18
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Drivers • Recalls - Majority are
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Days Time to Event 99% stopped 1st
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EU labeling initiative 2003 • EU
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Drivers • Country of Origin Label
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Cool Record keeping http://www.ams.
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Economics • Retail shrink ~ 2.3%
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Consumer Open Dating Survey http://
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Listeria monocytogenes • Major co
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USDA -FSIS 1998 Guidance for Beef G
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1. What are the scientific paramete
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CFU critical Microbial Life cycle s
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Clostridium botulinum fish study (G
Page 106 and 107:
Log TTD vs temperature Time to dete
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Electronic “Smart Labels” for T
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Achieving RFID Traceability • Tag
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Electronic TTI solutions and proble
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Micro-electronic TTI tag vendors
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End points • Color change • Lig
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Critical Factors - technology • C
Page 120 and 121:
Traceability concerns • 4th amend
Page 122 and 123:
Contact Dr. Theodore Labuza Departm
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