From their ingredients list:

balsamic apple vinaigrette dressing - ingredients
Source: Panera

soybean oil, water, sugar, apple juice concentrate, white balsamic vinegar, cider vinegar, salt, contains less than 2%of olive oil, natural flavor, lemon juice concentrate, propylene glycol alginate, dehydrated onion, xanthan gum, sodium benzoate and potassium sorbate [as preservatives ],