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02-01-2011, 11:00 AM #61
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02-01-2011, 11:18 AM #81
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P.P.S. When taking Yok3d, skip the Antibacterial Mouthwash (unless otherwise directed by a physician). The metabolism of nitrate to nitrite is pretty interesting. After ingestion of nitrate, a portion of the nitrate makes its way back up to the mouth and that is where a large majority of nitrite formation occurs (i.e., right there in the mouth by the good bacteria that are able to reduce the nitrate to nitrite).
This hypothesis has been studied by having people take nitrate and then an hour later, they tell them they can no longer swallow and they must constantly spit out the saliva that accumulates in their mouth. When this was done, nitrite levels hardly rose at all.
But, when they returned to normal swallowing, nitrite levels then began increasing again.
So, a more recent study aimed to test the hypothesis more directly...
They decided to see if by killing the bacteria in the mouth, if that would prevent most of the nitrate from being converted to nitrite and sure enough, when they gave them the chlorhexidine about 15 minutes before giving them the nitrate, nitrite levels didn't rise anywhere near those seen with people that didn't get the mouthwash, effectively stopping the Nitrate-Nitrite-N.O. Pathway dead in its tracks.
Reading that is confusing because in general terms the Nitrogen cycle starts with Ammonia, which is converted to Nitrites, and then Nitrites are converted to Nitrates by aerobic bacteria, then Nitrates are converted to Nitrogen by anaerobic bacteria. Reading above it seems one of their conversions goes backwards???
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02-01-2011, 11:22 AM #82
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02-01-2011, 11:25 AM #84
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02-01-2011, 11:32 AM #87
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02-01-2011, 11:32 AM #88
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lol, nah srs, that description above is backwards... where'd that come from?
http://en.wikipedia.org/wiki/Nitrogen_cycle
Nitrification
Main article: Nitrification
The conversion of ammonium to nitrate is performed primarily by soil-living bacteria and other nitrifying bacteria. The primary stage of nitrification, the oxidation of ammonium (NH4+) is performed by bacteria such as the Nitrosomonas species, which converts ammonia to nitrites (NO2-). Other bacterial species, such as the Nitrobacter, are responsible for the oxidation of the nitrites into nitrates (NO3-).[2]It is important for the nitrites to be converted to nitrates because accumulated nitrites are toxic to plant life.
Due to their very high solubility, nitrates can enter groundwater. Elevated nitrate in groundwater is a concern for drinking water use because nitrate can interfere with blood-oxygen levels in infants and cause methemoglobinemia or blue-baby syndrome.[5] Where groundwater recharges stream flow, nitrate-enriched groundwater can contribute to eutrophication, a process leading to high algal, especially blue-green algal populations and the death of aquatic life due to excessive demand for oxygen. While not directly toxic to fish life like ammonia, nitrate can have indirect effects on fish if it contributes to this eutrophication. Nitrogen has contributed to severe eutrophication problems in some water bodies. As of 2006, the application of nitrogen fertilizer is being increasingly controlled in Britain and the United States. This is occurring along the same lines as control of phosphorus fertilizer, restriction of which is normally considered essential to the recovery of eutrophied waterbodies.
[edit] Denitrification
Main article: Denitrification
Denitrification is the reduction of nitrates back into the largely inert nitrogen gas (N2), completing the nitrogen cycle. This process is performed by bacterial species such as Pseudomonas and Clostridium in anaerobic conditions.[2] They use the nitrate as an electron acceptor in the place of oxygen during respiration. These facultatively anaerobic bacteria can also live in aerobic conditions.
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02-01-2011, 11:45 AM #89
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02-01-2011, 11:46 AM #90
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