April 2022 Serving Up Well-Done Foodservice Packaging
With 30 years of experience across the food science and packaging spectrum, Dr Claire Sand through her company, Packaging Technology & Research, offers clients solutions using Strategy, Technology, Consulting and Coaching.
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Dr. Claire Sand | Owner, Packaging Technology & Research, LLC; Adjunct Professor, Michigan State University; Columnist for Food Technology Magazine
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3. to consolidate the tasks and food
that employees will need at one
workstation and provide meal
preparation guidance. For exam
ple, premeasured ingredients
located in specific places within
one BOH meal kit package can
guide employees on the proper
amount and order of ingredients
for meal construction. This ensures
customers have a consistent din
ing experience while reducing
meal preparation time and effort.
From a material science per
spective, combining items within
a kit often requires that packag
ing for the individual ingredients
has the required oxygen, water
vapor, and odor barriers.
Designing for Food on the Go
Even though foodservice sector
revenues fell 30% in 2020, accord
ing to the National Restaurant
Association, the use of foodser vice
packaging increased as some
restaurants switched to take
out-only policies. Sixty percent
of Americans now order takeout
or delivery at least once a week,
and half of those consumers use a
delivery service, reports Statista.
Consumers and delivery employees
use a variety of means to transport
their food, exposing it to many dif
ferent environmental conditions.
Designing foodservice pack
aging for delivery agility in terms
of time, exposure temperature,
and transport mode is impera-
tive. En route to consumers, food
in foodservice packaging may be
stored in heat lockers and com
bined with other packaged foods
prior to consumption as well as
being delivered directly to con
sumers. Tamper-evident packaging
that demonstrates that viral trans
fer or contamination has not
occurred is critical for foodservice
packaging that contains products
that will be delivered to consum
ers. For example, Inline Plastics
Safe-T-Fresh zipper-pull tear
strip hinge packaging provides
tamper evidence and prevents
leaks and contamination.
Branded Customer
Experiences
In the front of the house, foodser
vice packaging also can extend
brand connections during con
sumer use and consumption.
For example, when consum-
ers open Church's Chicken's
icebox pie product packaging,
they interact with bright yel-
low lemon wedge graphics on
shaped cutouts surrounding the
lid area of the paperboard car ton.
And brand identify transfers into
consumers' kitchens when they
use the Ready. Chef. Go!
Cookpac paperboard-based
carton from LK Packaging
to cook or heat products.
Sustainability Front
and Center
Making packaging for FOH
foodservice more sustainable
involves reducing food waste,
chemicals of concern (COC),
and packaging components.
Nearly 9 million tons of food
waste are associated with FOH
foodservice each year, accord ing
to the national nonprofit group
ReFED, representing 70% of
foodservice waste and 11% of all
food waste. Intelligent and active
packaging and better package
design can help pre- vent this
waste by extending shelf life and
indicating to consum- ers that a
product is safe to eat.
Active packaging, such
as packaging that releases preser
vation gases and absorbs oxygen,
can extend FOH product shelf
life. For example, mold is reduced
when oxygen levels are below
3%, which can be accomplished
with vacuum packaging, gas
flushing, and/or oxygen absorb
ers and high oxygen barrier
packaging.
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Resealable packaging that
also is easily stored, stacked, and
handled by consumers encour
ages the storage of excess food.
Critically, consumers need to
be confident that food is stored
safely within foodservice con
tainers for consumption later.
When intelligent packag
ing-such as time-temperature
integrators (TTis) that match
kinetics of quality loss or food
safety (microbial) growth-is
applied to foodservice packaging,
only food unfit for consump-
tion needs to be thrown away.
For example, TTis can replace
"sell by" times and dates that are
chosen irrespective of the vari
able temperatures the product
may experience, such as when
packaged food is taken out of
the frozen environment for sale
(known as slack). Providing static
"use by" or "best by" dates results
in more food waste and reduced
food safety, since food may be
discarded or consumed regard
less of whether it is still safe and/
or of acceptable quality to eat.
Chemicals of Concern
Many COCs provide grease and
oil resistance in foodservice pack
age forming, even though COCs
such as the per- and polyfluo
roalkyl substances (PFAS) used
in packaging and other indus tries
since the 1940s are known to
cause cancer. In a number of
countries, perfluorooctanoic acid
and perfluorooctane sulfonate
have been replaced in food pack
aging industries by other PFAS
and less problematic alternatives.
Diffusion models that deter
mine the maximum diffusion
possible by employing boundary
conditions of high initial con
centration to O concentration
demonstrate that the amounts
of COC transfer are below safe
threshold values in foodser-
vice packaging. However, the
www.ift.org I Food Technology 71
4.
5. • Claire Sand is a Global Packaging Leader with 35+ years of broad
experience in the food and packaging science spectrum in industry -
from basic research to marketing - and in academia - tenured
professor and director.
• Sand's mission is to enable a more sustainable food system with
science and value chain innovations that more sustainably increases
food shelf life and prevents food waste.
• She solves packaging and food industry challenges using a blend of
packaging and food science and value-chain expertise.
• Dr. Sand holds a PhD in Food Science and Nutrition from the
University of Minnesota and MS and BS in Packaging from Michigan
State University.
Questions?
Let’s Connect!
Call 617-807-5341 or email
claire@packagingtechnologyandresearch.com
www.PackagingTechnologyandResearch.com