Even sugar - free diet sodas
like Diet Coke and Diet Pepsi — which both contain citric and
phosphoric acid — can erode enamel if consumed in large doses.
Manufactured pet foods can contain umectants
like sugar / sucrose, corn syrup, sorbitol and molasses; antimicrobial preservatives
like propionic, sorbic and
phosphoric acids, sodium nitrite, sodium and calcium propionate and potassium sorbate; natural coloring agents
like iron oxide and caramel, and synthetic coloring agents
like coal - tar derived azo - dyes such as Yellow 5, Red 40, Yellow 6, and Blue 2; emulsifying agents used as stabilizers and thickeners, such as seaweed, seed, and microbial gums, gums from trees, and chemically modified plant cellulose
like citrus pectin, xanthan and guar gum, and carrageenan; flavor and palatability enhances include «natural» flavors, «animal digest», and even MSG (monosodium glutamate); natural fiber
like beet pulp, and miscellaneous additives
like polyphosphates that help retain natural moisture, condition and texture of manufactured pet foods.
Why I have even been told by clients that most of these foods cause cancer, weaken their immune system, cause skin disease; have ground up tires, soybean oil, tocopherol, and many
acids like lactic,
phosphoric and citric.