What physiological processes are critically supported by Vitamin K1 (phylloquinone) abundant in collard greens?

Answer

Ensuring proper blood clotting and supporting essential bone health by anchoring calcium.

Vitamin K1, or phylloquinone, is highlighted as a particularly celebrated nutrient within collard greens due to its essential roles in two distinct physiological systems. Firstly, it is critical for the blood clotting cascade; when an injury occurs, Vitamin K activates specific proteins required to stop the bleeding process effectively. Secondly, it plays a vital, often underestimated role in skeletal maintenance. It contributes significantly to bone metabolism by actively helping to anchor the mineral calcium within the bone matrix, which is crucial for maintaining structural integrity over time. This dual functionality underscores its importance beyond basic dietary intake.

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