Opportunities for Sensing in the Food Industry Malcolm Povey Procter Department of Food Science.

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Presentation transcript:

Opportunities for Sensing in the Food Industry Malcolm Povey Procter Department of Food Science

100% Inspection zBacteria, virus, prions, toxins - MRI zForeign body detection Glass, metal, plastic, wood, stone, pips - X- ray and rf inductance zTexture - pressure drop zColour - Colour meter zAppearance - Optical imaging zFlavour - Electronic nose

Electromagnetic Modalities zElectrical resistance, capacitance, permittivity zColour, turbidity zMagnetic permeability zX-ray z  -ray

Acoustic modalities zCompression and shear zGroup velocity zGroup attenuation zReflection coefficient zImpedance

UST and ERT

Spectroscopic techniques zFTIR - Fourier transform infra red zMRI - magnetic resonance imaging zRF and microwave permittivity zUltrasonic velocity and attenuation (Malvern Ultrasizer)

Dual mode spectroscopy zRF electrical excitation of ultrasound - Acoustosizer zInfrared excitation of ultrasound - Fourier transform infrared photoacoustic spectroscopy (FTIR-PAS) zMRI excitation of ultrasound zLaser excitation of ultrasound

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