Edible Holograms can be futuristic options – IHMA

Report that holograms could be ‘printed’ on food displays how Innovation extends to promote the technology’s boundaries says the IHMA (International Hologram Manufacturers Association).

The progress reflects articles from the USA that specialists have molded edible holograms over the chocolate. Although it’s early days, and the method only works for several types of confectionery products, the advancement could open up a host of exciting prospective possibilities throughout the control and labeling of food, says the IHMA.

For occurrence, edible holograms allow a safe, rapid, and cost-effective method to ‘print’ relevant messages on food – they could be used to secure better food safety, better food labeling, or more clearly show ingredients and sugar content.

The new hologram can be a solution of corn syrup, vanilla, and water which is dried and turn into a thin film. It’s then spread with a fine layer of non-toxic black color before a technique described direct laser interference patterning is used for engraving off most of the dye, giving behind raised, nanoscale lines that form a diffraction grating.

When hit by light, the light is diffracted into a rainbow design, with different colors looking at diverse viewing angles. The magnitude and range of colors can be regulated by modifying the spacing between two lines in the grating or the sugar content of the corn syrup.

Dr. Paul Dunn IHMA said this is an extra example of how holography extends to find interesting new business applications: “Innovation is pushing the limits of what holography can produce, showing that there is plenty of distance in this versatile and flexible technology.

“The potential to ‘print’ holograms on food is added promising development, announcing innovative and interesting ways for the food business to add value as entrepreneurs and producers study for new approaches.”

Moreover, the origin of the food we eat could benefit from the development, contributing to improved consumer safety, added Dr. Paul Dunn.

“Holograms are effective weapons in the frontline fight against counterfeiters and fraudsters, protecting brands and profits. Those involved in the food supply chain would be reassured by their presence on products, recognizing the security, brand enhancement, and financial benefits provided,” he said.

The advantage of well-designed and accurately deployed authentication solutions, as supported by the ISO12931 standard, allows examiners to establish a legitimate product’s authenticity, distinguishing it from fake products from counterfeiting hot spots in Asia and eastern Europe. Even those that provide a ‘fake’ authentication feature can be distinguished from the original item if they have a carefully thought-out authentication solution.

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