rbST Free: Does not contain the artificial growth hormone rbST (according to the FDA, no significant difference has been show between milk derived from rbST treated and non-rbST treated cows). Since 1918. Ultra-pasteurized. Whoa! Whys this cream last so long? Fresher - longer - better, that's our cream motto. This cream is ultra-pasteurized (UP) and simply means that it was heated to a higher temperature making it stay fresh longer than regular jug cream. Enjoy! Facebook. Pinterest. Twitter. Get social with us. Like us on Facebook, pin us, tweet us. Farmer Owned Cooperative guaranteed quality. Thank you for choosing Darigold. Please open other side. Grade A. Homogenized. A gluten free product.