PET Food Processing - March 2021 - 50

EQUIPMENT

Top: The HPP process
deactivates pathogens
by disrupting their
cellular functions,
while leaving smaller
molecules unaffected.
Bottom: The vessel
capacity dictates the
size and number of
cassettes the machine
can process in a
single cycle.
Holmach/UDHE

One potential downside of this approach is the possibility of recontamination.
" To eliminate contamination of the pathogen-free HPP
product, manufacturers who will further process into other
items need to do this in a clean-room environment with
strict sanitary protocols of equipment and personnel hygiene, " Raghubeer said. " This can be a cumbersome undertaking with added cost. However, the benefits of not having
a product recall, meeting regulatory guidelines as well as
satisfying pet owners' demand for more nutritious diets for
their animals appears to be driving processors toward HPP. "
The second major benefit of HPP for pet food and treat
processors is extended product shelf life.
" HPP is being used not only to provide safety and improved quality, but also in the fight against waste in the
food chain, " Holland said. " Many pet owners are interested
in improving the fresh aspect of their pet's diet and the limited shelf life of fresh and raw products means that, given
the range of recipes needed, HPP provides an opportunity
for retailers to stock fresh pet food without the cost and environmental impact of increased waste. "

Adoption of HPP technology

A growing number of pet food and treat processors are recognizing the benefits of HPP, despite the costs associated
with adopting the technology.
" More and more pet food companies are adopting HPP
for their final consumer package, " Neeb said. " There are
costs associated with using HPP technology that have been
one of the hurdles that must be overcome. The companies
that are adopting the HPP technology are doing so to retain fresh product quality while extending the shelf life of
the product. This is accomplished using HPP along with
the added benefits of product safety, brand protection, and

50

PET FOOD PROCESSING | March 2021 | www.petfoodprocessing.net

nutrient retention without added preservatives. Companies
are realizing that consumers will pay a premium for these
added benefits. "
When adopting HPP over the long term, processors must
decide between using a toller or bringing the technology inhouse. This decision can be driven by a number of factors,
including cost, annual volume and technical support.
" HPP machines are made in various sizes to meet the
manufacturer's needs, " Neeb added. " Toll processors
typically own the largest and fastest HPP machines, thus
the cost to HPP is lower than on the smaller machines.
In-house HPP machines could help mitigate some transportation costs, but some of these are offset by higher
costs to run HPP at slower speeds. Also, HPP is a very
specialized technology. Running HPP in-house would
require technical and personnel expertise along with a
significant capital investment in equipment, energy, and
facility improvements. "
" To justify the capital investment, additional labor, spare
parts coverage, and technical support associated with
HPP processing, a good estimate to warrant internal HPP
would be in the area of processing 20 million lbs annually, "
Woodward commented.
Since many HPP tollers do not set minimum volumes,
using a toller is a viable option for processors who cannot
warrant bringing the technology in house.
" HPP tollers, such as Universal Pure, welcome anything from a short run to processing for an entire shift, "
Woodward said. " We really don't focus so much on minimums, as we try to work with our customers and prospects
to find efficiencies for both companies. "
Agreements between tollers and their customers can vary.
" There is really no minimum, but it depends on the business model of the toller, " Raghubeer added. " It should be


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PET Food Processing - March 2021

Table of Contents for the Digital Edition of PET Food Processing - March 2021

PET Food Processing - March 2021 - Intro
PET Food Processing - March 2021 - 1
PET Food Processing - March 2021 - 2
PET Food Processing - March 2021 - 3
PET Food Processing - March 2021 - 4
PET Food Processing - March 2021 - 5
PET Food Processing - March 2021 - 6
PET Food Processing - March 2021 - 7
PET Food Processing - March 2021 - 8
PET Food Processing - March 2021 - 9
PET Food Processing - March 2021 - 10
PET Food Processing - March 2021 - 11
PET Food Processing - March 2021 - 12
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http://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-march-2021
http://digital.petfoodprocessing.net/sosland/pfp/2020_12_01
http://digital.petfoodprocessing.net/sosland/pfp/2020_10_01
http://digital.petfoodprocessing.net/sosland/pfp/2020_09_01
http://digital.petfoodprocessing.net/sosland/pfp/2020_06_01
http://digital.petfoodprocessing.net/sosland/pfp/2020_03_01
http://digital.petfoodprocessing.net/sosland/pfp/2019_12_01
http://digital.petfoodprocessing.net/sosland/pfp/2019_10_01
http://digital.petfoodprocessing.net/sosland/pfp/2019_09_01
http://digital.petfoodprocessing.net/sosland/pfp/2019_06_01
http://digital.petfoodprocessing.net/sosland/pfp/2019_03_01
http://digital.petfoodprocessing.net/sosland/pfp/2018_12_01
http://digital.petfoodprocessing.net/sosland/pfp/2018_09_01
http://digital.petfoodprocessing.net/sosland/pfp/2018_06_01
http://digital.petfoodprocessing.net/sosland/pfp/2018_03_01
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