July/August 2023 - 19

STORAGE
VanDeWalle Fruit in Sodus, New York, added
25 controlled atmosphere storage rooms in
two stages in the past five years.
" We're building controlled
atmosphere storages, but
it's not your grandpa's
(storage) ... Everything
is next-generation and
that's really what we do
in storage control, allow
the grower to concentrate
on other things and let
the storages kind of run
themselves. "
- JIM SCHAEFER, PRESIDENT, STORAGE CONTROL SYSTEMS
and flexibility, and our storage operator
does a great job, but he's also available
to do other things, so that helps as well. "
Storage science
Successful long-term storage of apples,
some of which need to be edible 11
months after coming off the tree, is a
science. And science is always finding
different - and better - ways to handle
fresh produce after harvest.
SCS specializes in dynamic controlled
atmosphere (DCA), which uses lower
oxygen content in CA rooms. CA
operators who use SCS' SafePods, which
are basically miniature storage rooms,
can detect potential problems for each
specific variety in storage quickly.
The SafePods are self-contained
and hold four bushels of fruit. Using
the same conditions and gas mixture
in the SafePod as in the CA room it is
monitoring, operators can track fruit
respiration and detect conditions that
could lead to disorders such as bitter
pit or internal browning.
" We're building controlled atmosphere
storages, but it's not your grandpa's
(storage), " said Jim Schaefer, SCS
president. " Everything is next-generation,
and that's really what we do in storage
control: allow the grower to concentrate
on other things and let the storages kind
of run themselves. "
VanDeWalle said precision is needed
to tailor conditions for each variety.
Honeycrisps go in at 50°, are held
for a specific period, and then the
temperature is slowly dropped to 38°.
Galas used to be stored at 32°-34°, but
in recent years that has changed to 37°.
Schaefer said university research had
targeted 1.8% oxygen for long-term
storage.
" Well, 1.8% does not work very well
for Gala, because it wants to turn brown
on the inside, " he said. " In long-term CA,
if you hold it at a lower oxygen percent,
it will delay the browning so you have
the chance to market (Galas) through
June-July.
PRODUCE PROCESS ING
19


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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