is this kosher

Question

is this dressing kosher? vegetable oil-canola and or soybean oil water eggg yolk, sugar, cultured nonfat buttermilk, natural flavor less than 1% garlic-onion, vinegar, phosphoric acid, xanthan gum, modified food startch, msg, artifital flavors, disodiun phosphate, sorbic acid and calcium disoddium edta as perservetaves, disodium inosinate and disodium guanylate-dried thank you