Is DECORATED 6 INCH MARBLE CAKE vegan?

butter creme icing (powdered sugar with corn starch (anticakingagent), icing base (vegetable oil [partially hydrogenated soy and cottonseed], sugar, corn syrup solids, mono & diglycerides, salt, artificial flavor, polysorbate 60), water, if colored may contain (water, propylene glycol, glycerine, food grade titanium dioxide, food grade kaolin, certified colors [red #3, red #40, blue #1, blue #2, yellow #5 and/or yellow #6], hydrated silica, silica, sorbitol, methylcellulose gum, vegetable gum [xanthan, locust bean and/or ultraspearsedcorn], sodium, bicarbonate, and citric acid, sodium benzoate, potassium sorbate [preservatives])), marble cake (cake base (sugar, enriched bleached flour (wheat flour, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid), vegetable oil (partially hydrogenated soybean and cottonseed oils, mono- and diglycerides, propylene glycol mono- and diesters of fats, polysorbate 60), egg whites, modified wheat starch, modified tapioca starch, nonfat milk solids, sodium bicarbonate, dextrose, salt, acidic sodium aluminum phosphate, calcium carbonate, amorphous silica, cocoa (processed with alkali), monocalcium phosphate, emulsifier (mono- and diglycerides, tbhq, citric acid), soy lecithin, guar gum, sodium acid pyrophosphate, xanthan gu

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