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<blockquote data-quote="LittleGreyCat" data-source="post: 1554933" data-attributes="member: 6467"><p>Ah! Chylomicrons.</p><p><a href="https://en.wikipedia.org/wiki/Chylomicron" target="_blank">https://en.wikipedia.org/wiki/Chylomicron</a></p><p>The force is strong in this one.</p><p>Even has a diagram of a partially completed Death Star.</p><p></p><p>"<strong>Chylomicrons</strong> (from the Greek <strong>chylo</strong>, meaning <em>milky fluid</em>, and <strong>micron</strong>, meaning <em>small particle</em>) are <a href="https://en.wikipedia.org/wiki/Lipoprotein" target="_blank">lipoprotein particles</a> that consist of <a href="https://en.wikipedia.org/wiki/Triglyceride" target="_blank">triglycerides</a> (85–92%), <a href="https://en.wikipedia.org/wiki/Phospholipid" target="_blank">phospholipids</a> (6–12%), <a href="https://en.wikipedia.org/wiki/Cholesterol" target="_blank">cholesterol</a> (1–3%), and <a href="https://en.wikipedia.org/wiki/Protein" target="_blank">proteins</a> (1–2%).<a href="https://en.wikipedia.org/wiki/Chylomicron#cite_note-1" target="_blank">[1]</a> They transport dietary <a href="https://en.wikipedia.org/wiki/Lipid" target="_blank">lipids</a> from the intestines to other locations in the body. Chylomicrons are one of the five major groups of lipoproteins: chylomicrons (a.k.a. <a href="https://en.wikipedia.org/wiki/ULDL" target="_blank">ULDL</a> ultra low-density lipoprotein relative to surrounding water), <a href="https://en.wikipedia.org/wiki/Very_low-density_lipoprotein" target="_blank">very low-density lipoprotein</a>, <a href="https://en.wikipedia.org/wiki/Intermediate-density_lipoprotein" target="_blank">intermediate-density lipoprotein</a>, <a href="https://en.wikipedia.org/wiki/Low-density_lipoprotein" target="_blank">low-density lipoprotein</a>, <a href="https://en.wikipedia.org/wiki/High-density_lipoprotein" target="_blank">high-density lipoprotein</a>, that enable fats and <a href="https://en.wikipedia.org/wiki/Cholesterol" target="_blank">cholesterol</a> to move within the water-based solution of the bloodstream."</p><p></p><p>ULDL, eh?</p><p></p><p>So if you are full to the eyeballs on dietary lipids (as you may well be on a high fat diet) then you would expect to see Triglycerides surging through your bloodstream.</p><p></p><p>I assume that you would have to fast for a significant amount of time to be absolutely sure that you aren't absorbing any more fat from your gut.</p><p></p><p>Interesting reading <a href="http://healthyeating.sfgate.com/gastrointestinal-transit-3068.html" target="_blank">http://healthyeating.sfgate.com/gastrointestinal-transit-3068.html</a>. This suggests 5 hours to empty the stomach, 3 hours for 50% passage through the small intestine. No figure for the other 50%.</p><p>Once through to the large intestine then water absorption seems the main remaining activity.</p><p>So say 12 hours for all of a meal to pass through, and go for 16 hours for luck?</p><p></p><p>So in the first place you need to have a proper fasting blood test to rule out most of what you have recently eaten from the gut.</p><p></p><p>I've started down the route of working out how long it takes the Chylomicrons to transit the hepatic portal vein and be absorbed by the liver but the big word count is tending to maximum.</p><p></p><p>I am also considering as a side issue that most of the science is not related to people or animals who are in nutritional ketosis. I am guessing that laboratory animals fed on a high fat diet are not generally also fed on a low carbohydrate diet which limits the relevance to those on long term LCHF.</p><p></p><p>I will wait to see my next blood test, but I am sceptical that triglycerides are solely or even mainly the result of carbohydrates being metabolised to fats since they can still be there in significant quantities if you are in dietary ketosis on LCHF.</p><p></p><p>Edit: can't get rid of the IMG tag for some reason.</p><p><img src="https://en.wikipedia.org/wiki/File:2512_Chylomicrons_Contain_Triglycerides_Cholesterol_Molecules_and_Other_Lipids.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="LittleGreyCat, post: 1554933, member: 6467"] Ah! Chylomicrons. [URL]https://en.wikipedia.org/wiki/Chylomicron[/URL] The force is strong in this one. Even has a diagram of a partially completed Death Star. "[B]Chylomicrons[/B] (from the Greek [B]chylo[/B], meaning [I]milky fluid[/I], and [B]micron[/B], meaning [I]small particle[/I]) are [URL='https://en.wikipedia.org/wiki/Lipoprotein']lipoprotein particles[/URL] that consist of [URL='https://en.wikipedia.org/wiki/Triglyceride']triglycerides[/URL] (85–92%), [URL='https://en.wikipedia.org/wiki/Phospholipid']phospholipids[/URL] (6–12%), [URL='https://en.wikipedia.org/wiki/Cholesterol']cholesterol[/URL] (1–3%), and [URL='https://en.wikipedia.org/wiki/Protein']proteins[/URL] (1–2%).[URL='https://en.wikipedia.org/wiki/Chylomicron#cite_note-1'][1][/URL] They transport dietary [URL='https://en.wikipedia.org/wiki/Lipid']lipids[/URL] from the intestines to other locations in the body. Chylomicrons are one of the five major groups of lipoproteins: chylomicrons (a.k.a. [URL='https://en.wikipedia.org/wiki/ULDL']ULDL[/URL] ultra low-density lipoprotein relative to surrounding water), [URL='https://en.wikipedia.org/wiki/Very_low-density_lipoprotein']very low-density lipoprotein[/URL], [URL='https://en.wikipedia.org/wiki/Intermediate-density_lipoprotein']intermediate-density lipoprotein[/URL], [URL='https://en.wikipedia.org/wiki/Low-density_lipoprotein']low-density lipoprotein[/URL], [URL='https://en.wikipedia.org/wiki/High-density_lipoprotein']high-density lipoprotein[/URL], that enable fats and [URL='https://en.wikipedia.org/wiki/Cholesterol']cholesterol[/URL] to move within the water-based solution of the bloodstream." ULDL, eh? So if you are full to the eyeballs on dietary lipids (as you may well be on a high fat diet) then you would expect to see Triglycerides surging through your bloodstream. I assume that you would have to fast for a significant amount of time to be absolutely sure that you aren't absorbing any more fat from your gut. Interesting reading [URL]http://healthyeating.sfgate.com/gastrointestinal-transit-3068.html[/URL]. This suggests 5 hours to empty the stomach, 3 hours for 50% passage through the small intestine. No figure for the other 50%. Once through to the large intestine then water absorption seems the main remaining activity. So say 12 hours for all of a meal to pass through, and go for 16 hours for luck? So in the first place you need to have a proper fasting blood test to rule out most of what you have recently eaten from the gut. I've started down the route of working out how long it takes the Chylomicrons to transit the hepatic portal vein and be absorbed by the liver but the big word count is tending to maximum. I am also considering as a side issue that most of the science is not related to people or animals who are in nutritional ketosis. I am guessing that laboratory animals fed on a high fat diet are not generally also fed on a low carbohydrate diet which limits the relevance to those on long term LCHF. I will wait to see my next blood test, but I am sceptical that triglycerides are solely or even mainly the result of carbohydrates being metabolised to fats since they can still be there in significant quantities if you are in dietary ketosis on LCHF. Edit: can't get rid of the IMG tag for some reason. [IMG]https://en.wikipedia.org/wiki/File:2512_Chylomicrons_Contain_Triglycerides_Cholesterol_Molecules_and_Other_Lipids.jpg[/IMG] [/QUOTE]
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