Uric acid - Revision history

Odyssee at 12:16, 29 March 2022

2022-03-29T12:16:31Z

← Older revision		Revision as of 12:16, 29 March 2022
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	Now, as the astral body is the path-maker for the I-activity in the organs, the correctly distributed uric acid secretion must be regarded as a quite essential member of human health. For in it is expressed whether the right relation exists between the I-organisation and the astral body in any organ or organ system.\|27\|62ff}}		Now, as the astral body is the path-maker for the I-activity in the organs, the correctly distributed uric acid secretion must be regarded as a quite essential member of human health. For in it is expressed whether the right relation exists between the I-organisation and the astral body in any organ or organ system.\|27\|62ff}}

			== Uric acid and the formation of the head ==

			Uric acid is also particularly related to the formation of the [[head]]:

			{{GZ\|The human head of today needs carbonic acid. Carbonic acid is a combination of carbon, which is produced in the human body, and oxygen. Man leaves out the nitrogen from the air. If one studies the human head today, one comes to the conclusion that this human head is so predisposed that it can think quite well through the absorption of carbonic acid, that is, carbon and oxygen. But you know, this human head is constantly being ruined by carbonic acid, because it is a poison and the human head also consists of organs. It is just as if you were always breathing a little carbonic acid instead of oxygen. You really do breathe a little carbonic acid into your head. That is of immense importance, because we are constantly breathing into our head that which actually destroys our life. And that is also a reason why we have to sleep, why we need a time when the head does not absorb this little bit of carbonic acid so strongly and restores its organs....

			If man had only ever breathed carbonic acid, he would never have had a head. The finished head can tolerate carbonic acid. But if man had always breathed carbonic acid, he would never have had a head. So he must have breathed something else in the past. Now we have to ask ourselves what man could have breathed in the past. And if we really study the whole of human development in detail, we come to the conclusion that man, for example, needs something other than carbonic acid in his mother's womb even during germinal life. And the interesting thing is: in the mother's womb the human being is almost entirely head....

			Yes, you see, there the human being is almost entirely head. But he must first become one. Then he also needs nitrogen. He needs the nitrogen that is supplied to him from the womb of the mother. If man did not have the nitrogen in his mother's womb, which he later spurns in the air, does not allow to reach him, then he could not possibly develop.

			[[File:GA348 291.gif\|center\|300px\|Drawing from GA 348, p. 291]]

			We simply would not get a proper head if we did not get one through nitrogen. So in an earlier state of development on earth, when his head was first developing, man must not have taken in oxygen, but nitrogen. So instead of carbon and oxygen being the essentials for him, as they are today, carbon and nitrogen must have been the essentials.

			So man must have once breathed carbon combined with nitrogen, as he breathes today, that is, he must have taken in nitrogen. But what is carbon and nitrogen? That is cyanogen. And when it appears as acid, it is hydrocyanic acid, cyanic acid. In other words, at one time man must have absorbed nitrogen rather than oxygen from the air and developed cyanogen, an even stronger poison. And this even stronger poison has enabled him to think with carbonic acid today. At that time he first made his organs through the even stronger poison.

			So now we come to an old development where man, instead of developing carbonic acid as he does today, developed cyanogen. And just as he exhales carbonic acid today, so he exhaled prussic acid then, an even stronger poison. And there we come from man and his present breathing to an old condition, where the air, just as it contains carbonic acid today through life, was then full of prussic acid, full of cyanogen [...]

			Now just think, if I breathe nitrogen instead of oxygen, then of course something other than human blood is produced. Because you know, in the lungs the blood that has turned blue combines with the oxygen and becomes red blood. Now, when a person breathes oxygen, he absorbs oxygen into his blood. But when he breathes nitrogen, he absorbs nitrogen into his blood. In the same way as our blood, the real blood, works, in a healthy person there is never any uric acid in it, so by taking nitrogen into the blood, if it is just a little bit wrong in the human being, uric acid gets into the blood.

			At that time, when man got his head, his blood was really only uric acid, because the nitrogen was continually combined with it instead of oxygen. His blood was only uric acid. And the human being who still swims as a human germ in what the mother forms around him, swims, as it were, in that which uric acid can easily enter. There is uric acid everywhere in his environment. It needs it in its germinal state. Yes, in former times, when he had got his head and breathed out prussic acid, that is to say, used the prussic acid for himself, and combined nitrogen and carbon, that is to say, had uric acid inside, he was swimming in uric acid. Uric acid was everywhere except him. The world was once such that uric acid and prussic acid actually played as great a role as water and air do today.\|348\|289ff}}

			== See also ==

			* {{WikipediaEN\|Uric acid}}

	== Literature ==		== Literature ==

Odyssee at 06:24, 29 March 2022

2022-03-29T06:24:36Z

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 |[[File:Harnsäure Ketoform.svg|130px]] || <BR>[[File:Equilibrium2.svg|25px]] || [[File:Harnsäure Enolform.svg|150px]] || p''K''<sub>a1</sub><BR>[[File:Equilibrium2.svg|25px]] || [[File:Urat.svg|150px]]
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 {{GZ|If I burden the child too much for memory, then I deprive it of too many vital forces, and the consequence of this is that I can see, when I look through the whole context: the child becomes pale, the child gets something that comes from deprived organic forces, it becomes anxious. Now one must have an eye for this turning pale, for this becoming anxious. For if one continually aims in the most savage way to give the child too much material to remember, it will lag behind in its growth. This retardation in growth has been caused by a wrong mental imposition, by a wrong memory material. And what is done to the organism is expressed at a very late age in the most varied metabolic diseases, in that especially a discharge of uric acid or the like takes place in the organism.|304a|134f}}
 == Literature ==

Odyssee at 05:41, 29 March 2022

2022-03-29T05:41:16Z

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	{\| cellpadding="5" border="0" style="text-align:center; float: right; background: white; border: 1px solid darkgray;"		{\| cellpadding="5" border="0" style="margin-left:10px; text-align:center; float: right; background: white; border: 1px solid darkgray;"
	~~\|+ '''Tautomers of uric acid and urate'''~~
	\|-		\|-
	\|[[File:Harnsäure Ketoform.svg\|130px]] \|\| <BR>[[File:Equilibrium2.svg\|25px]] \|\| [[File:Harnsäure Enolform.svg\|150px]] \|\| p''K''<sub>a1</sub><BR>[[File:Equilibrium2.svg\|25px]] \|\| [[File:Urat.svg\|150px]]		\|[[File:Harnsäure Ketoform.svg\|130px]] \|\| <BR>[[File:Equilibrium2.svg\|25px]] \|\| [[File:Harnsäure Enolform.svg\|150px]] \|\| p''K''<sub>a1</sub><BR>[[File:Equilibrium2.svg\|25px]] \|\| [[File:Urat.svg\|150px]]
	\|-		\|-
	\| [[w:Lactam\|Lactam]] form \|\| \|\| [[w:Lactim\|Lactim]] form \|\| \|\| Urate ion		\| [[w:Lactam\|Lactam]] form \|\| \|\| [[w:Lactim\|Lactim]] form \|\| \|\| Urate ion
			\|-
			\| colspan="5" \| '''Tautomers of uric acid and urate'''
	\|}		\|}

Odyssee at 05:26, 29 March 2022

2022-03-29T05:26:33Z

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 '''Uric acid''' (2,6,8-Trihydroxypurine) - not to be confused with [[urea]] - is a nitrogen-containing metabolic product in many animal species and also in humans, which is formed during the breakdown of the [[w:Nucleobase|purine bases]] of the [[w:Nucleic acid|nucleic acids]]. The salts of uric acid are called '''urates'''.
-About 75% of uric acid is excreted via the kidneys, the rest via saliva, sweat and intestinal secretion.
+About 75% of uric acid is excreted via the [[kidney]]s, the rest via saliva, sweat and intestinal secretion.
 == Literature ==

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2022-03-29T05:14:27Z

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{| cellpadding="5" border="0" style="text-align:center; float: center; background: transparent; border: 1px solid darkgray;"
|+ '''Tautomers of uric acid and urate'''
|-
|[[File:Harnsäure Ketoform.svg|130px]] || <BR>[[File:Equilibrium2.svg|25px]] || [[File:Harnsäure Enolform.svg|150px]] || p''K''<sub>a1</sub><BR>[[File:Equilibrium2.svg|25px]] || [[File:Urat.svg|150px]]
|-
| [[w:Lactam|Lactam]] form || || [[w:Lactim|Lactim]] form || || Urate ion
|}

'''Uric acid''' (2,6,8-Trihydroxypurine) - not to be confused with [[urea]] - is a nitrogen-containing metabolic product in many animal species and also in humans, which is formed during the breakdown of the [[w:Nucleobase|purine bases]] of the [[w:Nucleic acid|nucleic acids]]. The salts of uric acid are called '''urates'''.

About 75% of uric acid is excreted via the kidneys, the rest via saliva, sweat and intestinal secretion.

== Literature ==

* [[w:Otto Wolff|Otto Wolff]]: ''Grundlagen einer geisteswissenschaftlich erweiterten Biochemie'', 2. Aufl., Verlag Freies Geistesleben, Stuttgart 2013, ISBN 978-3772510915
* [[Rudolf Steiner]], [[Ita Wegman]]: ''Grundlegendes für eine Erweiterung der Heilkunst nach geisteswissenschaftlichen Erkenntnissen'', [[GA 27]] (1991), ISBN 3-7274-0270-9 {{Lectures|027}}
* [[Rudolf Steiner]]: ''Geistige Zusammenhänge in der Gestaltung des menschlichen Organismus'', [[GA 218]] (1992), ISBN 3-7274-2180-0 {{Lectures|218}}
* [[Rudolf Steiner]]: ''Anthroposophische Menschenkunde und Pädagogik'', [[GA 304a]] (1979), ISBN 3-7274-3045-1 {{Lectures|304a}}
* [[Rudolf Steiner]]: ''Physiologisch-Therapeutisches auf Grundlage der Geisteswissenschaft. Zur Therapie und Hygiene'', [[GA 314]] (1989), ISBN 3-7274-3141-5 {{Lectures|314}}
* [[Rudolf Steiner]]: ''Über Gesundheit und Krankheit. Grundlagen einer geisteswissenschaftlichen Sinneslehre'', [[GA 348]] (1997), ISBN 3-7274-3480-5 {{Lectures|348}}

{{GA}}

[[Category:Biochemistry]]
[[de:Harnsäure]]