BIO-REACTIVE FOOD EXPIRY LABEL

A food expiry label includes a layer of material (such as a water-swollen mammalian gelatine) that undergoes a phase transition (such as from solid to liquid) upon exposure to bacteria or fungi that result in food spoilage. The label may incorporate a tactile surface that the user can feel underneat...

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1. Verfasser: PAKSTAITE, Solveiga
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creator PAKSTAITE, Solveiga
description A food expiry label includes a layer of material (such as a water-swollen mammalian gelatine) that undergoes a phase transition (such as from solid to liquid) upon exposure to bacteria or fungi that result in food spoilage. The label may incorporate a tactile surface that the user can feel underneath the layer of gelatine once the gelatine has changed from solid to liquid. Thus a user can detect when a foodstuff is likely to have spoiled or been on the shelf for a predetermined period simply by feeling the label.
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The label may incorporate a tactile surface that the user can feel underneath the layer of gelatine once the gelatine has changed from solid to liquid. 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language eng ; fre ; ger
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subjects CONVEYING
FOODS OR FOODSTUFFS
FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J
HANDLING THIN OR FILAMENTARY MATERIAL
HUMAN NECESSITIES
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
MEASURING
PACKING
PERFORMING OPERATIONS
PHYSICS
PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
STORING
TESTING
THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
TRANSPORTING
UNPACKING
title BIO-REACTIVE FOOD EXPIRY LABEL
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