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Calcium: Difference between revisions
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|title=Calcium: Wiki | {{#seo: | ||
|title=Calcium: Cooking Wiki | |||
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|keywords= | |keywords=#calcium #dairyproducts #vitamind #spinach #sesame #hazelnuts #soybeans #blackstrapmolasses #beans #rutabaga #quinoa | ||
|description=Calcium is the chemical element with symbol Ca and atomic number 20 | |hashtagrev=12032020 | ||
|description=Calcium is the chemical element with symbol Ca and atomic number 20 | |||
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[[Image:Pamukkale Hierapolis Travertine pools.JPG|300px|thumb|right|Travertine pools, Pamukkale Hierapolis in Turkey [''travertine: limestone deposited by mineral springs'']]] | [[Image:Pamukkale Hierapolis Travertine pools.JPG|300px|thumb|right|Travertine pools, Pamukkale Hierapolis in Turkey [''travertine: limestone deposited by mineral springs'']]] | ||
Calcium is the chemical element with symbol Ca and atomic number 20. Calcium is a soft gray alkaline earth metal, and is the fifth-most-abundant element by mass in the Earth's crust. As a major material used in mineralization of bone, teeth and shells, calcium is the most abundant metal by mass in many animals. | Calcium is the chemical element with symbol Ca and atomic number 20. Calcium is a soft gray alkaline earth metal, and is the fifth-most-abundant element by mass in the Earth's crust. As a major material used in mineralization of bone, teeth and shells, calcium is the most abundant metal by mass in many animals. | ||
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Calcium is an important component of a healthy diet and a mineral necessary for life. | Calcium is an important component of a healthy diet and a mineral necessary for life. | ||
Approximately 99 percent of the body's calcium is stored in the bones and teeth. The rest of the calcium in the body has other important uses, such as some exocytosis, especially neurotransmitter release, and muscle contraction. | Approximately 99 percent of the body's calcium is stored in the [[bones]] and teeth. The rest of the calcium in the body has other important uses, such as some exocytosis, especially neurotransmitter release, and muscle contraction. | ||
[[Vitamin D]] is needed to absorb calcium. | [[Vitamin D]] is needed to absorb calcium. | ||
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[[Dairy products]], such as [[milk]] and [[cheese]], are a well-known source of calcium. Some individuals are allergic to [[dairy products]] and even more people, in particular those of non Indo-European descent, are [[lactose-intolerant]], leaving them unable to consume non-fermented [[dairy products]] in quantities larger than about half a litre per serving. Others, such as vegans, avoid dairy products for ethical and health reasons. | [[Dairy products]], such as [[milk]] and [[cheese]], are a well-known source of calcium. Some individuals are allergic to [[dairy products]] and even more people, in particular those of non Indo-European descent, are [[lactose-intolerant]], leaving them unable to consume non-fermented [[dairy products]] in quantities larger than about half a litre per serving. Others, such as vegans, avoid dairy products for ethical and health reasons. | ||
Many good [[vegetable]] sources of calcium exist, including seaweeds such as kelp, wakame and hijiki; [[nuts and seeds]] like [[almonds]], [[hazelnuts]], [[sesame]], [[pistachio]]; [[blackstrap molasses]]; [[beans]] (especially [[ | Many good [[vegetable]] sources of calcium exist, including seaweeds such as kelp, wakame and hijiki; [[nuts and seeds]] like [[almonds]], [[hazelnuts]], [[sesame]], [[pistachio]]; [[blackstrap molasses]]; [[beans]] (especially [[soybeans]]); [[figs]]; [[quinoa]]; [[okra]]; [[rutabaga]]; [[broccoli]]; dandelion leaves; [[kale]]. | ||
Numerous vegetables, notably [[spinach]], [[chard]] and [[rhubarb]] have a high calcium content, but they may also contain varying amounts of [[oxalic acid]] that binds calcium and reduces its absorption. The same problem may to a degree affect the absorption of calcium from [[amaranth]], [[collard greens]] & [[chicory]] greens. | Numerous vegetables, notably [[spinach]], [[chard]] and [[rhubarb]] have a high calcium content, but they may also contain varying amounts of [[oxalic acid]] that binds calcium and reduces its absorption. The same problem may to a degree affect the absorption of calcium from [[amaranth]], [[collard greens]] & [[chicory]] greens. | ||
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===Dietary calcium supplements=== | ===Dietary calcium supplements=== | ||
[[Image:500 mg calcium supplements with vitamin D.jpg|thumb|500 milligram calcium supplements made from calcium carbonate]] | [[Image:500 mg calcium supplements with vitamin D.jpg|thumb|500 milligram calcium supplements made from calcium carbonate]] | ||
Calcium supplements are used to prevent and to treat calcium deficiencies. Most experts recommend that supplements be taken with food and that no more than 600 | Calcium supplements are used to prevent and to treat calcium deficiencies. Most experts recommend that supplements be taken with food and that no more than 600 mg should be taken at a time because the percent of calcium absorbed decreases as the amount of calcium in the supplement increases. Recommended daily calcium intake for adults ranges from 1000 to 1500 mg. It is recommended to take supplements with food to aid in absorption. | ||
[[Vitamin D]] is added to some calcium supplements. Proper vitamin D status is important because vitamin D is converted to a hormone in the body, which then induces the synthesis of intestinal proteins responsible for calcium absorption. | [[Vitamin D]] is added to some calcium supplements. Proper vitamin D status is important because vitamin D is converted to a hormone in the body, which then induces the synthesis of intestinal proteins responsible for calcium absorption. | ||
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====Source==== | ====Source==== | ||
* http://en.wikipedia.org/wiki/Calcium | * http://en.wikipedia.org/wiki/Calcium | ||
{{CategoryLineIngredients}} | |||
[[Category:Ingredients]] | [[Category:Ingredients]] | ||
[[Category:Vitamins, minerals and supplements]] | [[Category:Vitamins, minerals and supplements]] | ||
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