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Objective To identify important food sources and estimate dietary intake of vitamin K-1 (phylloquinone) in the American diet.Design Core foods from the US Food and Drug Administration (FDA) Total Diet Study (TDS), which was based on the 1987-88 Nationwide Food Consumption Survey (NFCS), were analyzed for vitamin K-1. These nutrient values were then applied to the FDA TDS consumption model.Subjects...
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