Dairy Processing - January/February 2024 - 38

PACKAGING
Making it stick
To ensure on-pack labeling stays put, special considerations must be made.
by Michael Gordon | dairyprocessing@sosland.com
F
ood and beverage packaging must adhere to a very
detailed set of safety standards, down to the ink on the
label and the glue that brings it all together.
Ensuring packaging ink and coatings do not migrate to
the food enclosed within the package is crucial to supplying
clean, food-safe packaging. Minimizing risk to the consumer
and ensuring that packaging is compliant with global
regulations and food packaging standards - as well brand
standards - is increasingly complex.
PRINTING AND INK
Some of the most commonly marked pieces of information on
packaged foods is date coding and traceability information,
including barcodes, expiration dates, lot numbers and batch
coding. This information is critical for being able to track
product, quality control and aiding in the sale of the products.
Getting this information onto each of the packages is a
38 JAN-FEB 2024 | DAIRYPROCESSING.COM
necessary and vital part of the product's life cycle.
The nature of food packaging itself, however, can present
challenges to direct part marking methods. Food packaging
is often flexible, so products that don't have ridged or flat
surfaces can make the application somewhat tricky.
Some products will also be exposed to damp or wet
environments. Products that are frozen, for instance, will
need to be able to retain their barcode markings even if they
become slightly damp from temperature changes.
Packaging ink can infiltrate food items through ink
migration, which is when ink substances transfer from the
packaging material into the food. Apart from contaminating
food, ink migration can change its flavor and odor. It will
compromise food safety and tarnish a brand's reputation.
For example, Swiss food manufacturer Nestlé had to recall
baby milk products from five European countries in 2005
because of the type of ink used. The recall was announced
©zefart-stock.adobe.com

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Dairy Processing - January/February 2024

Table of Contents for the Digital Edition of Dairy Processing - January/February 2024

Dairy Processing - January/February 2024 - Intro
Dairy Processing - January/February 2024 - FCa
Dairy Processing - January/February 2024 - FCb
Dairy Processing - January/February 2024 - 1
Dairy Processing - January/February 2024 - 2
Dairy Processing - January/February 2024 - 3
Dairy Processing - January/February 2024 - 4
Dairy Processing - January/February 2024 - 5
Dairy Processing - January/February 2024 - 6
Dairy Processing - January/February 2024 - 7
Dairy Processing - January/February 2024 - 8
Dairy Processing - January/February 2024 - 9
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Dairy Processing - January/February 2024 - 12
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