<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Farley, Sherry M</style></author><author><style face="normal" font="default" size="100%">Leonard, Scott W</style></author><author><style face="normal" font="default" size="100%">Labut, Edwin M</style></author><author><style face="normal" font="default" size="100%">Raines, Hannah F</style></author><author><style face="normal" font="default" size="100%">Card, David J</style></author><author><style face="normal" font="default" size="100%">Harrington, Dominic J</style></author><author><style face="normal" font="default" size="100%">Mustacich, Debbie J</style></author><author><style face="normal" font="default" size="100%">Traber, Maret G</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Vitamin E decreases extra-hepatic menaquinone-4 concentrations in rats fed menadione or phylloquinone.</style></title><secondary-title><style face="normal" font="default" size="100%">Molecular nutrition &amp; food research</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Mol Nutr Food Res</style></alt-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2012 Jun</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">56</style></volume><pages><style face="normal" font="default" size="100%">912-22</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The mechanism for increased bleeding and decreased vitamin K status accompanying vitamin E supplementation is unknown. We hypothesized that elevated hepatic α-tocopherol (α-T) concentrations may stimulate vitamin K metabolism and excretion. Furthermore, α-T may interfere with the side chain removal of phylloquinone (PK) to form menadione (MN) as an intermediate for synthesis of tissue-specific menaquinone-4 (MK-4).</style></abstract><issue><style face="normal" font="default" size="100%">6</style></issue><custom1><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/22707266?dopt=Abstract</style></custom1></record></records></xml>