According to the Environmental Protection Agency’s The US EPA estimates that approximately 35% of an adult’s daily intake of dioxins is derived from dairy products. Persistent, bioaccumulative and toxic pollutants (PBTs), including dioxins, bioaccumulate through the food chain and ultimately result in low-level contamination in most animal fats.
It is important to understand the PBT levels in milk, as milk fat may be one of the highest dietary sources of PBT exposure.
Now, I happen to agree with the grassfed proponents on the nutrition stuff, and go out of my way to buy grassfed beef and, slightly less consistently, grassfed milk. Pesticides, herbicides and toxins tend to build up over time in the fat, including in the dairy fat of animals.
(More on this later.) It is a reasonable assumption that animals .
But the specific “better” reasons for these two specialty butters tend to have a slightly different focus.
In general, quality flaws and age can’t be “hidden” in unsalted butter.But in practice, as you probably guessed, it’s more complicated. ) grounds, there doesn’t seem to be a whole lot not to love about this substance. In lactating mammals (including dairy cows and nursing moms) these chemicals are stored in the milk fat, too, and are in turn absorbed by whomever consumes that milkfat, be they calf, infant, or Starbucks Venti Whole Milk Latte lover.