July/August 2023 - 8

LABELING TRENDS
An ongoing search
The specifics of the testing are, at the
moment, shrouded in secrecy. " I can't say
a whole lot about the ingredients right
now, " McManus said. " We are trying to
get a patent on it. Right now, we're still
finishing the test results on the application
for that. "
Ideally, the adhesive will come off with
the sticker when the fruit is peeled. If
the skin of the fruit is eaten, the watersoluble
adhesive can be easily rinsed off,
McManus said.
With a background in consumer
products, McManus approaches the
research from an end-of-the-l ine
perspective. " I always think, 'How is
it going to be used at the end?' That
includes thinking about how it's going
to be processed, " he said.
Researchers also consider differing
temperatures the fruit will be exposed
to as well as conditions in the adhesive
manufacturing process.
" As you go from lab to field testing,
oftentimes you have to go back and make
some adjustments. You learn what works,
what doesn't work. "
- JAMES MCMANUS, RESEARCH CHEMIST, USDA
" That's something we spent a lot
of time on, trying to get the thinnest
layer possible that would still work, "
McManus said.
The next step, he said, is field testing
the adhesive.
" I would say it's about halfway on the
journey, " McManus said. " As you go from
lab to field testing, oftentimes you have
to go back and make some adjustments.
You learn what works, what doesn't work.
Hopefully you know enough about your
formula and how you could change it a
little bit to address the concerns that you
see, if you see any. "
St icke r s wi th the pee l - away
adhesive could al so be used to
individually label produce, which could
save on food waste when one bad apple
leads to the disposal of an entire bag,
McManus noted.
Reducing that waste, along with
protecting U.S. trade, gives McManus
plenty of incentive to continue his
research.
" Every day I go in and I work on
projects that will make the world a better
place and help our American farmers
and ranchers, " he said. " It's just a really
good feeling. "
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8
JULY/AUGUST 2 0 2 3

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July/August 2023

Table of Contents for the Digital Edition of July/August 2023

Table of Contents
Editor's Letter
Million-dollar motive
Defining sustainability
Handling with care
Keeping control
Product Focus section
Center for Produce Safety: The path to understanding pathogens
PMMI: Packaging the future
The Pulse
Upcoming events
Advertiser Index
July/August 2023 - 1
July/August 2023 - 2
July/August 2023 - Table of Contents
July/August 2023 - Editor's Letter
July/August 2023 - 5
July/August 2023 - Million-dollar motive
July/August 2023 - 7
July/August 2023 - 8
July/August 2023 - 9
July/August 2023 - Defining sustainability
July/August 2023 - 11
July/August 2023 - 12
July/August 2023 - 13
July/August 2023 - Handling with care
July/August 2023 - 15
July/August 2023 - 16
July/August 2023 - 17
July/August 2023 - Keeping control
July/August 2023 - 19
July/August 2023 - Product Focus section
July/August 2023 - 21
July/August 2023 - Center for Produce Safety: The path to understanding pathogens
July/August 2023 - 23
July/August 2023 - PMMI: Packaging the future
July/August 2023 - 25
July/August 2023 - The Pulse
July/August 2023 - Advertiser Index
July/August 2023 - 28
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