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TTI Problems • ease of reading • need to collect food E a data • need to match tag kinetics to activation energy and run-out time of food • food must not have history effect • marketer’s resistance to cost • liability for implied safety
Consumer demand for dating • 1998 Joanne Gage (Price Chopper) *Consumers want simple and basic information * “Sell-by” and “use-by” date sought after (Dowdell, 1996; Williams, 1998
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 and 10: But: dates by themselves ignore t-T
Page 11 and 12: Shelf Life Dating • OTA Study on
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: 20 °C Log N C 4 °C A B D Time
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
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 102 and 103:
CFU critical Microbial Life cycle s
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
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