What component is required for the proper absorption of fat-soluble vitamins like A and K in lettuce?
Answer
Fat, such as in an oil-based vinaigrette
Vitamins A and K are classified as fat-soluble vitamins, meaning the body requires the presence of dietary fat to effectively absorb them into the bloodstream for utilization. If lettuce rich in these vitamins, such as Romaine, is consumed with a completely fat-free dressing, the nutritional benefits associated with the Vitamin A and Vitamin K, as well as the carotenoids lutein and zeaxanthin, may not be adequately transferred to the body and could potentially pass through unused. Therefore, pairing a dark green salad with a modest amount of healthy fat, like an olive oil-based vinaigrette, is crucial for realizing the full nutritional potential of the chosen lettuce.
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