Pet Food Processing - July 2024 - 76

OPERATIONS
to two years but makes the HPP pet food stable for ambient
temperature storage.
Because HPP preserves freshness and extends shelf
life up to two times, processors can choose to distribute
their products to a broader geographic range.
" Longer shelf life also means less product waste and increased
profit margins, " Barnard said. " Additionally, staying
fresher longer gives the end user more time to use the
product at home before having to freeze it or discard. "
While the shelf-life benefits are impressive, according
to Kevin Kennedy, regional sales manager at JBT-Avure,
that is not the reason most manufacturers utilize HPP in
the production of their products.
" HPP is almost exclusively utilized to reduce pathoBefore
products at
Petsource by Scoular
are formed and sent
on to freeze-drying,
raw proteins and dry
ingredients are mixed,
extruded into chub
casings and shipped
offsite for high pressure
processing at Universal
Pure, just 30 minutes
away from the plant.
Rebecca S. Gratz
on Raw Meat Diets " reports the effects of HPP on 95
different vitamins, proteins, essential amino acids, fats
and fiber in pet food. The results showed that HPP did
not alter the concentration of the analyzed nutrients of
interest.
" Only four out of the 95 tested components presented
a notable concentration decrease following HPP, which
can easily be solved by increasing the ingredients with
high contents of these nutrients, " Soto-Castro said.
Lowder noted that in order to meet AAFCO
(Association of American Feed Control Officials) standards,
retort pet foods must mix in high doses of nutritional
additives since many of them are destroyed during
heating.
" HPP products do not have to use additives, retaining
their original nutritional benefits, " he said. " There are
some who believe that naturally occurring nutrients are
better for our pets. "
Extending shelf life
HPP extends shelf life by slowing down the growth of
spoilage microorganisms like yeasts and molds. This
helps achieve between 14 and 35 days of shelf life in refrigerated
storage, compared with 7 to 10 days of unprocessed
products.
" Bacteria and other microorganisms adapt to unfavorable
environments and might survive freezing,
freeze-drying or fermentation, " Soto-Castro said.
" Applying HPP acts as a 'kill or lethal step' for foodborne
pathogens, and the combination with other hurdles
like cold storage (refrigeration, freezing) or freezedrying
further minimizes the risk and can help extend
the shelf life. "
For example, the combination of HPP and freezing
yields up to two years of shelf life. Freeze-drying lasts up
76 PET FOOD PROCESSING | July 2024 | www.petfoodprocessing.net
gen loads, " he said. " Freeze-dried products are not concerned
with shelf-life extension. Similarly, IQF frozen
bulk ingredients are not focused on shelf life. That leaves
the fresh pet food category where shelf life is typically
three to six months. "
Money matters
Pet food manufacturers looking to incorporate HPP into
their production process might want to consider the
benefits of working with an HPP service provider.
" By working with an experienced provider, manufacturers
can focus on their brand and leave the technical
expertise to the HPP provider, " Barnard said. " The
HPP provider can help guide the process, including
lab verification and additional resources to support the
manufacturer. "
HPP products do not have
to use additives, retaining their
original nutritional benefits. "
Austin Lowder, JBT-Avure Technologies
After all, purchasing HPP equipment can be a significant
capital investment, not to mention the process of
learning the technology and gaining expertise, hiring
HPP laborers, and planning for fluctuations in demand
and potential downtime for maintenance.
" A solution to overcome the initial capital investment
challenge is to work with a third-party service provider,
known as HPP tollers, " Soto-Castro said. " HPP tolling
refers to the business model in which HPP equipment
owners offer processing services on a pay-per-use basis.
HPP tollers have installed large-scale, industrial HPP
systems and charge fees to outside food companies to
run their packaged products through their HPP equipment.
It enables food companies to utilize HPP's many
benefits without purchasing their own HPP machines. "
http://www.petfoodprocessing.net

Pet Food Processing - July 2024

Table of Contents for the Digital Edition of Pet Food Processing - July 2024

Pet Food Processing - July 2024 - Intro
Pet Food Processing - July 2024 - 1
Pet Food Processing - July 2024 - 2
Pet Food Processing - July 2024 - 3
Pet Food Processing - July 2024 - 4
Pet Food Processing - July 2024 - 5
Pet Food Processing - July 2024 - 6
Pet Food Processing - July 2024 - 7
Pet Food Processing - July 2024 - 8
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https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-july-2024
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-may-2024
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-march-2024
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-january-2024
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-november-2023
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-september-2023
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-july-2023
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-may-2023
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-march-2023
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-december-2022
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-october-2022
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-september-2022
https://digital.petfoodprocessing.net/sosland/pfp/-pet-food-processing-june-2022
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-march-2022
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-december-2021
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-october-2021
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-september-2021
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-june-2021
https://digital.petfoodprocessing.net/sosland/pfp/pet-food-processing-march-2021
https://digital.petfoodprocessing.net/sosland/pfp/2020_12_01
https://digital.petfoodprocessing.net/sosland/pfp/2020_10_01
https://digital.petfoodprocessing.net/sosland/pfp/2020_09_01
https://digital.petfoodprocessing.net/sosland/pfp/2020_06_01
https://digital.petfoodprocessing.net/sosland/pfp/2020_03_01
https://digital.petfoodprocessing.net/sosland/pfp/2019_12_01
https://digital.petfoodprocessing.net/sosland/pfp/2019_10_01
https://digital.petfoodprocessing.net/sosland/pfp/2019_09_01
https://digital.petfoodprocessing.net/sosland/pfp/2019_06_01
https://digital.petfoodprocessing.net/sosland/pfp/2019_03_01
https://digital.petfoodprocessing.net/sosland/pfp/2018_12_01
https://digital.petfoodprocessing.net/sosland/pfp/2018_09_01
https://digital.petfoodprocessing.net/sosland/pfp/2018_06_01
https://digital.petfoodprocessing.net/sosland/pfp/2018_03_01
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