Is FRESH COBORN'S, MARBLE CUPCAKES W/ BUTTERCREM vegan?

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), soylecithin, guar gum, sodium acid pyrophosphate, xanthan gum, polysorbate 60, sodium stearoyl lactylate, cellulose, caramel color, soybean oil, egg yolks, natural and artificial flavor.; powdered sugar with corn starch (anticaking agent); water; icing base (vegetable oil [partially hydrogenated soy and cottonseed], sugar, corn syrup solids, mono & diglycerides, salt, artificial flavor, polysorbate 60); soybean oil; whole eggs; if colored may contain (water, propylene glycol, glycerine, food grade titanium dioxide, food gradekaolin, 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 be

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