What protein requires Vitamin K for its synthesis related to bone health in Butterhead lettuce?
Answer
Osteocalcin for binding calcium into the bone matrix
Vitamin K, a fat-soluble nutrient found significantly in Butterhead lettuce, is crucial for bone metabolism. Specifically, it is required for the synthesis of osteocalcin. Osteocalcin is an essential protein whose function is to bind calcium effectively into the bone matrix. While Vitamin K is also well-known for its role in blood clotting mechanisms, its contribution to bone health via osteocalcin synthesis is a significant secondary function. Consistent daily intake, especially when paired with dietary fats for optimal absorption, supports this metabolic pathway.

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