Phylloquinone (vitamin K1) intakes and food sources in 18-64-year-old Irish adults

The British Journal of Nutrition
Paula DugganMáiréad Kiely

Abstract

Dietary vitamin K1 (phylloquinone) levels that are sufficient to maintain normal blood coagulation may be sub-optimal for bone, and habitual low dietary intakes of vitamin K may have an adverse effect on bone health. The objective of the present study was to measure the intake and adequacy of phylloquinone intake and the contribution of foods to phylloquinone intake in a nationally representative sample of Irish adults. The North/South Ireland Food Consumption Survey database was used, which contains data collected using a 7 d food diary in a randomly selected sample of Irish adults aged 18-64 years (n 1379; 662 men and 717 women). Phylloquinone intakes were estimated using recently compiled food composition data for phylloquinone. The mean daily intake of phylloquinone from food sources was 79 (SD 44) microg. Intakes were significantly higher (P<0.001) in men than in women at levels of 84 and 75 microg/d. The main contributors to phylloquinone intakes were vegetables (48 %), particularly green vegetables (26 %). Potatoes (including chipped and fried potatoes), dairy products and fat spreads contributed 10 % each and meat contributed 8 %. In men, social class and smoking status influenced phylloquinone intakes. Of the populatio...Continue Reading

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Citations

Jun 23, 2009·The British Journal of Nutrition·Kerry S JonesW Andy Coward
Jan 19, 2008·Journal of Nutritional Science and Vitaminology·Maya KamaoToshio Okano
Apr 11, 2012·Food & Nutrition Research·Sarah L Booth
Aug 30, 2008·Nutrition Reviews·Kevin D Cashman, Eibhlis O'Connor
Dec 5, 2006·Current Opinion in Clinical Nutrition and Metabolic Care·Sarah L Booth
Nov 24, 2004·The American Journal of Gastroenterology·Paula DugganKevin D Cashman
Dec 22, 2006·The British Journal of Nutrition·Christopher W ThaneW Andy Coward
Apr 14, 2006·The British Journal of Nutrition·Aoife CollinsMáiréad Kiely
Nov 20, 2018·Nutritional Neuroscience·A KielyE M O'Connor
Aug 10, 2020·Applied and Environmental Microbiology·Anne KijewskiMarina Aspholm

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