PET Food Processing - June 2020 - 25

STAYING FRESH,
STAYING HEALTHY

INGREDIENTS

Antioxidants play different but important
roles in pet food and treat formulations.
By Donna Berry | petfoodprocessing@sosland.com

A

Antioxidants are powerful molecules that serve two purposes in pet foods. The first is to keep the food fresh,
mainly by preventing the fats and oils from going rancid
through a process known as lipid oxidation. The second
is to keep the pet healthy by preventing free radicals in
the body from damaging cells and having a deleterious
effect on various biological functions.
These two purposes for antioxidant addition may
create confusion for vigilant pet parent label readers.
The required nomenclature for antioxidants may also
raise eyebrows.
"The Association of American Feed Control Officials
requires all animal food to use consistent, approved
names for each ingredient," said Eric Altom, technical nutritionist, animal health and nutrition, Balchem
Corp., New Hampton, N.Y. "An ingredient that contains
strategic antioxidant properties may look like a nonnatural material because of the required name."
There are many sources and forms of antioxidants.
Isolated antioxidant ingredients, for example, may be
extracted directly from foods, such as ascorbic acid

(vitamin C) from citrus; however, it is possible to also
replicate the structure of vitamins in the laboratory using
chemicals, e.g., synthetic vitamins. Ingredient legends
do not discriminate between the two.
Synthetic antioxidants, on the other hand, are just
that. They are chemical combinations recognized as being cost-effective preservatives. Such ingredients often
have complex chemical names, such as butylated hydroxyanisole and butylated hydroxytoluene.
Antioxidants may also be delivered through whole
foods, namely fruits, vegetables and herbs. Extracts have
also become quite common. These are concentrated
forms neutralized for flavor and aroma.

Antioxidants
preserve the
quality of pet
foods and treats
and help prevent
products from
becoming rancid.
©Eva - stock.adobe.com

Assisting with shelf life

Cats and dogs require fat in their diets and in greater
amounts than humans. Fat not only provides energy, it
is critical for proper cellular, hormonal and nerve function. It also contributes to the flavor and texture of the
food, while keeping coats shiny.
Fats readily go rancid if not carefully protected. This

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PET Food Processing - June 2020

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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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