Is STRAWBERRY MOUSSE FILLED FLAVORED CAKE, STRAWBERRY MOUSSE FILLED vegan?

white compound (sugar, palm kernel oil, nonfat dry milk, dry whole milk, whey, palm oil, soy lecithin [an emulsifier], natural vanilla flavor), cake base (sugar, bleached wheat flour, food starch-modified, soybean oil, leavening [baking soda, sodium aluminum phosphate, monocalcium phosphate], natural and artificial flavor, whey, soy flour, salt, vital wheat gluten, propylene glycol monoesters [an emulsifier], monoglycerides [an emulsifier], sodium stearoyl lactylate [an emulsifier]), soybean oil, water, topping (water, hydrogenated palm kernel oil, sugar; corn syrup, contains 2% or less of polysorbate 60, hydroxypropyl methylcellulose, artificial flavor, salt, sodium stearoyl lactylate, sorbitan monostearate, sodium citrate, soy lecithin, xanthan gum, annatto extract [color]), egg, sugar, sour cream (cultured pasteurized cream, nonfat milk, enzymes), contains 2% or less of the following: milk, heavy cream, strawberry filling (strawberry, sugar, water, dextrose, contains 2% or less of citric acid [preservative], pectin, ammonium alginate, calcium alginate, artificial flavor, sodium benzoate, mono- and diglycerides, fd&c red #40), creme base (modified tapioca starch, calcium carbonate, corn starch, salt, contains 2% or less of whey, skim milk, carrageenan, glucono delta-lactone, xanthan gum, potassium sorbate [preservative], soy lecithin, fd&c yellow #5, fd&c yellow #6), stabilizer blend (sugar, modified corn starch, gum arabic, natural and artificial flavors), palm oil, butter (cream, natural flavoring), natural and artificial flavor, artificial flavor, artificial color, fd&c red #40.

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