Is ‘natural’ glycerin a good petfood ingredient?

In the past several months, a recurring question from manufacturers of treats and semi-moist petfoods has come up: “Can we use ‘natural’ glycerin in our foods?” The quick answer is yes, but why are they asking this? There seems to be confusion creeping into the market; maybe some sort of controversy is brewing about glycerin.

Greg Aldrich, Ph.D.

December 13, 2011

In the past several months, a recurring question from manufacturers of treats and semi-moist petfoods has come up: “Can we use ‘natural’ glycerin in our foods?” The quick answer is yes, but why are they asking this? There seems to be confusion creeping into the market; maybe some sort of controversy is brewing about glycerin. But first, some background is in order.

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Supportive or softness — Collagen versus gelatin

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Polyols in pet food: Is there new potential for their use?

Polyols are sugar alcohols commonly found in semi-moist pet foods. Some of these low-calorie carbohydrates might find a new use if they provide some benefit and are safe.

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Locust bean gum (carob bean gum) use in canned pet foods

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Natural and artificial flavors in dog and cat diets

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Apple cider vinegar: Natural ingredient for pet foods?

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The color additive turmeric is permitted in pet foods and may ameliorate inflammation for dogs and cats, but few studies are available that define specifics about preparation and dosing.

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Agar-agar: gelling agent option for canned dog and cat foods

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Caramel: natural brown color for pet food with a hint of controversy

Caramel is a natural coloring agent that helps provide consistency and product appeal in pet foods.

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