Source Of Calcium
Calcium is an important mineral that is required by the human body for a number of functions
. It is particularly important during infancy when up to 60% of the body's intake of calcium is absorbed and used in the formation of strong bones and teeth. Throughout our life we still require an adequate dietary supply of calcium to maintain the structural integrity of our bones. A lack of calcium during childhood can cause rickets whereas a deficiency later on in life can result in loss of bone density (osteoporosis).
The average adult male carries about 1.5kg of calcium in their body, the average female, about 1kg. Of this, 99% is present in the teeth and the bones with the other 1% being contained in body fluids and cells, where calcium is responsible for altering the biological activity of proteins. It is interesting for you to know that Low-fat or fat-free milk is a great source of calcium because: Milk contains a lot of calcium in a form that the body can easily absorb. Milk has other important nutrients that are good for bones and teeth. For instance, one especially important nutrient is vitamin D, which helps the body absorb more calcium. Milk is widely available and is already a part of many people's diets.A low level of calcium in the blood and tissues can cause hypocalcaemia. This involves sensations of tingling and numbness and muscle twitches. In severe cases muscle spasms may occur. This is called tetany and is more likely to be due to a hormonal imbalance in the regulation of calcium rather than a dietary deficiency of the mineral.
In addition to milk, you can get good amount of calcium in a wide variety of foods that contain calcium and can help your children get sufficient levels of calcium in their daily diet. Some of the examples include:
1-Dairy foods-Milk, yogurt, cheese
2-Leafy green vegetables-Broccoli, kale, spinach
3-Fruits-Oranges
4-Beans and peas-Tofu, peanuts, peas, black beans, baked beans
5-Fish-Salmon, sardines
6-Miscellaneous-Sesame seeds, blackstrap molasses, corn tortillas, almonds, brown sugar
One of the very best sources of calcium is tofu whilst others include vegetables such as curly kale, okra, horseradish and watercress. You can also get significant amounts from red kidney beans, soya beans, petit pois, broccoli, cabbage, celery and parsnips too. In addition, calcium is also found in many other staple foods including bread. Most soya drinks are also calcium-enriched as are some other soya products and breakfast cereals too. The calcium contained in these fortified foods will be utilised most effectively where they also contain added vitamin D too.
In fact, 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. Calcium is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.
Additionally, Calcium is essential for living organisms, in particular in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bone, teeth and shells, calcium is the most abundant metal by mass in many animals.
by: Anand Midas
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