Vitamins - Revision history

Michel Lamontagne at 16:45, 10 November 2022

2022-11-10T16:45:48Z

2019-12-26T02:44:35Z

Vitamin D

2019-12-26T02:41:21Z

Vitamin D

2019-07-22T18:55:46Z

2019-07-22T18:54:41Z

Vitamin E

2019-07-22T18:48:46Z

Vitamin D

2019-07-22T18:36:15Z

Vitamin D

2019-07-22T18:34:30Z

Vitamin C

2019-07-22T18:33:22Z

2019-07-22T18:32:05Z

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 __NOTOC__
-Vitamins are classified according tot he following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D<sub>1</sub> to D<sub>5</sub>, E, K.
+Vitamins are classified according to the following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D<sub>1</sub> to D<sub>5</sub>, E, K.
 ==Foods that contain vitamins==

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 __NOTOC__
 Vitamins are classified according tot he following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D<sub>1</sub> to D<sub>5</sub>, E, K.
@@ Line 36: / Line 37: @@
 ==Vitamin D==
-Vitamin D is synthesized in the skin through exposure to UV light.  Vitamin D is mostly produced from biological sources, and biological production would be required for Mars.  A 15 minutes exposure to ultraviolet lighting, 3 times a week, should be sufficient to produce the required vitamin D for humans.
+Vitamin D is synthesized in the skin through exposure to UV light.  Vitamin D is mostly produced from biological sources, and biological production would be required for Mars.  A 15 minutes exposure to ultraviolet lighting, 3 times a week, should be sufficient to produce the required vitamin D for humans.  A tolerable intake is about 20-50 ug/day.  So less than 0,5g per year.  The entire yearly supply for a 1000 person settlement would be 0,05 kg.
 ==Vitamin E==

@@ Line 36: / Line 36: @@
 ==Vitamin D==
-Vitamin D is synthesized in the skin through exposure to UV light.  Vitamin D is mostly produced from biological sources, and biological production would be required for Mars.
+Vitamin D is synthesized in the skin through exposure to UV light.  Vitamin D is mostly produced from biological sources, and biological production would be required for Mars.  A 15 minutes exposure to ultraviolet lighting, 3 times a week, should be sufficient to produce the required vitamin D for humans.
 ==Vitamin E==

← Older revision		Revision as of 18:55, 22 July 2019
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	'''Vitamins''' play a vital part in [[human]] metabolism. Some are produced by the human body itself, others must be regularly ingested via [[food]]. However, the bodies of some [[:category:animals\|animals]] can produce vitamins that the human body cannot produce. This page explores how to meet the human requirements for vitamins in a [[colony]] on [[Mars]].		'''Vitamins''' play a vital part in [[human]] metabolism. Some are produced by the human body itself, others must be regularly ingested via [[food]]. However, the bodies of some [[:category:animals\|animals]] can produce vitamins that the human body cannot produce. This page explores how to meet the human requirements for vitamins in a [[colony]] on [[Mars]].

		+	__NOTOC__
	Vitamins are classified according tot he following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D<sub>1</sub> to D<sub>5</sub>, E, K.		Vitamins are classified according tot he following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D<sub>1</sub> to D<sub>5</sub>, E, K.

← Older revision		Revision as of 18:54, 22 July 2019
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	Recommended consumption is 7-15 mg/day, or about 5 grams per year. The entire yearly supply for a 1000 person settlement would be 5 kg.		Recommended consumption is 7-15 mg/day, or about 5 grams per year. The entire yearly supply for a 1000 person settlement would be 5 kg.
		+
		+	==Vitamin K==
		+	[[w:Vitamin_K\|Vitamin K]] is a group of structurally similar, fat-soluble vitamins that the human body requires for complete synthesis of certain proteins that are prerequisites for blood coagulation (K from ''Koagulation'', German for "coagulation") and which the body also needs for controlling binding of calcium in bones and other tissues.
		+
		+	Recommended consumption is 90-120 ug/day, or about 0,1 grams per year. The entire yearly supply for a 1000 person settlement would be 0,1 kg.

	==Artificial production of vitamins==		==Artificial production of vitamins==

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 ==Vitamin A==
 This vitamin is required for maintaining the skin and mucus linings. It is available in [[meat]](especially liver), cheese, eggs, oily fish and milk. Due to [[energy]] restrictions on Mars this kind of food can not be easily produced.
 ==Vitamin B6==
@@ Line 29: / Line 31: @@
 ==Vitamin C==
 Vitamin C, or ascorbic acid, can be produced with agricultural products or synthesized from glucose.
 ==Vitamin D==
 Vitamin D is synthesized in the skin through exposure to UV light.  Vitamin D is mostly produced from biological sources, and biological production would be required for Mars.
 ==Artificial production of vitamins==

@@ Line 1: / Line 1: @@
 '''Vitamins''' play a vital part in [[human]] metabolism. Some are produced by the human body itself, others must be regularly ingested via [[food]]. However, the bodies of some [[:category:animals|animals]] can produce vitamins that the human body cannot produce. This page explores how to meet the human requirements for vitamins in a [[colony]] on [[Mars]].
-Vitamins are classified according tot he following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D, E, K.
+Vitamins are classified according tot he following list : A, B<sub>1</sub> to B<sub>12</sub>, C, D<sub>1</sub> to D<sub>5</sub>, E, K.
 ==Foods that contain vitamins==