The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
The amount of carbohydrate present in food that is actually utilized for energy. Dietary fiber is subtracted in the very beginning, if the food item contains ingredients such as sugar alcohol hydrogenated starch hydrolysate these are subtracted from the total carbohydrate count as well. Terms with similar meaning include usable carbs, utilizable carbohydrates, net carbs, net impact carbs, and net Atkins count.