PET Food Processing - March 2022 - 35

" A starch can help with the texture
and structure development of a
wet extruded pet treat, resulting
in improved chew time. "
Conor Sullivan, Cargill
molded treats or extruded treats demand starch contents
that will hold up during processing without falling apart
or creating an undesirable texture, Luchsinger noted.
" Using a native starch in a dry extrusion pet food process
will typically yield disappointing results, " Sullivan
said. " Most native corn starches won't stand up to the
high heat. Instead, we advise customers to use a modified
starch with a higher heat tolerance and branch substitutions,
a combination that provides the process tolerance
needed to help with forming and gelling in a dry
extruded application. "
For wet, gravy-style pet foods, starches can be incorporated
to stabilize viscosity in shearing or retort processes.
They can also be used in high-viscosity applications,
to achieve transparency or a glossy appearance,
and to stabilize freeze/thaw of the product.
Moving the needle
Processors looking for starch ingredients with simple label
names and grain-free attributes have an expanding
range of options to choose from,
without compromising functionality.
In some cases, emerging starch ingredients can
even offer improved functionality, particularly for sensory
attributes.
" As new process techniques are invented, these starches
become even better in both functionality and visual/sensory
attributes, " Luchsinger said. " For example,
Ingredion's recently introduced NOVATION Lumina
functional starches provide superior visual and color
properties than traditional physically modified starches.
New functional native starch ingredients from waxy cassava
have also recently become available. These products
have improved functionalities in both pet treat and wet
food applications. "
Luchsinger suggested tapioca starch as a clean-label,
grain-free option for canned, loaf-style wet pet foods.
Ingredion's NOVATION® 3300 functional tapioca starch
ingredient, which can be listed simply as " tapioca starch "
on a pet food label, can provide firmness and structure to
Starch is colorless,
tasteless and
odorless and plays
a role in binding,
gelling, thickening,
strengthening,
expanding and
otherwise providing
structure to pet
food and treat
products.
©Mara Zemgaliete - stock.
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PET Food Processing - March 2022

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