Showing posts with label Calcium. Show all posts
Showing posts with label Calcium. Show all posts

Saturday, August 27, 2011

uncomplicated Dairy-Free Foods Containing Calcium

Many habitancy who whether consequent or would like to consequent a dairy-free diet would worry where they will get their calcium from. This shouldn't be a worry at all because there are plentifulness of calcium-rich foods that you can eat, and the calcium that they furnish is more absorbable by the body the calcium from dairy products.

There are many foods that consist of sizeable amounts of calcium and these consist of fruit, vegetables, nuts, seeds, fish and tofu. So let's take a look at each type and see where you can get you daily calcium from.

The Food Pyramid

The amount of calcium you need can vary quite a lot. The recommended dietary discount in the Usa is as follows:

Infants under 6 months - 210mg Infants 7months to 1 year - 270mg Children 1-3 years - 500mg Children 4-8 years - 800mg Children 9-18 years - 1300mg Adults 19-50 years - 1000mg Adults over 50 years - 1200mg

Fruit is easy to eat, and if you want to eat them for calcium then you should opt for figs, apricots, oranges and currants. Four median sized figs consist of nearby 506mg of calcium, so is the best fruit in terms of the amount you will get. Four apricots have 117mg, a 160g gram orange has 75mg and 50g of currants has 47mg.

Green vegetables are the ones that consist of the most calcium and these are the ones that are also good for you for a amount of other reasons as well. A 95g serving of curly kale has 143mg of calcium, 40g of okra has 88mg, 90g of green beans has 50mg, 85g of broccoli has 34mg and a small bunch of raw watercress has 34mg.

Many habitancy snack of sweets and other junk foods, but if you have a have a handful of nuts instead you will also be getting some calcium. You can also add tahini spread on some wholemeal bread, as this is a great way to both add fiber and get calcium. One heaped teaspoon of tahini has nearby 129mg of calcium, sesame seeds (one tablespoon) have 80mg, 12 almonds have 62mg, 6 walnuts (38mg), 6 brazil nuts (34mg) and 20 hazelnuts have 28mg.

For those that eat fish, you can get nearby half your daily calcium intake by having 80g of fried whitebait (688mg) or 100g of tinned sardines (500mg). 35g of fish paste has 98mg and 100g of tinned salmon has 91mg.

If you're vegetarian or vegan, then you can get a huge amount of calcium from 100g of tofu. This has a whopping 510mg of calcium. So you can see how easy it is to get adequate calcium without resorting to dairy.

So a simple meal of fish/tofu, curly kale, green beans and brown rice will furnish nearby 703mg of calcium. Two slices of wholemeal toast topped with tahini adds someone else 258mg. A handful of almonds and an orange as a snack give an extra 137mg. So that's 1,098mg just from two meals and a snack. So as you can see, a little knowledge and a little planning and it's very easy to get your daily amount of calcium without resorting to unhealthy dairy products.

uncomplicated Dairy-Free Foods Containing Calcium

Sunday, August 7, 2011

Calcium and Food Fortification

Many segments of the U.S. People fall short of meeting their calcium requirements and there is an addition concern that this will lead to a rise in the amount of major continuing diseases, such as osteoporosis, hypertension, and some cancers, among others. The role of calcium in preventing these diseases has been well established. To help solve the calcium crisis, a wide collection of calcium-fortified foods and beverages are becoming available. Both the level of calcium added and the exact foods and beverages fortified with calcium are arbitrary. Orange juice, juice drinks, cereals, waffles, snack foods, candy, water, and dairy foods are among some of the foods fortified with calcium. In many cases, relatively high levels of calcium are added. This has led to the quiz, of either calcium fortification has gone too far.

What are the functions of calcium?

The Food Pyramid

Calcium is critical to:

maintaining total body health, normal increase and development, keeping your bones and teeth strong over your lifetime (they consist of 99% of the body's calcium, the remaining 1% is in blood), ensuring the proper functioning of muscles and nerves, keeping the heart beating, helping blood clotting and regulating blood pressure, metabolising iron, the performance of a amount of hormones (particularly those linked with the thyroid and parathyroid glands), cell structure, and absorbing vitamin B12.

Calcium insufficiency is usually due to an inadequate intake of calcium. When blood calcium levels drop too low, the vital mineral is 'borrowed' from the bones. It is returned to the bones from calcium supplied straight through the diet. If an individual's diet is low in calcium, there may not be enough amounts of calcium ready in the blood to be returned to the bones to mouth strong bones and total body health.

What are the problems with calcium-fortified foods?

Although there is a need to have an enough amount of calcium in the diet concerns have been expressed about the large amount of calcium-fortified foods and beverages available. These concerns consist of the following:

The use of calcium-fortified foods does not correct the poor dietary patterns of food selection, which are largely responsible for Americans' low calcium intake. Many calcium-fortified foods and beverages such as juices, spreads/margarines, snack foods, and water are not nutritionally equivalent to foods, which are naturally rich in calcium. Also, some People may mistakenly believe that intake of calcium-fortified foods ensures a nutritionally enough diet. The increased availability of calcium-fortified foods, many of which consist of high levels of calcium, makes it relatively easy to exceed the safety limit or the 'Tolerable Upper Intake Level' of 2,500 mg calcium/day. This is particularly true for groups not precisely at risk for calcium deficiency, such as juvenile and young adult males. These groups already meet or are close to meeting their calcium requirements.
Other concerns linked with some calcium-fortified foods and beverages recite to:
The unknown level of calcium bioavailability (that is, the amount of calcium, from the fortified food, that the body is able to use). Factors that facilitate the absorption of calcium include: - vitamin D and Vitamin K,

- enough hydrochloric acid in the stomach,

- small amounts of fat (high fat reduces the availability of calcium),

- exercise,

- magnesium, and

- hormones, including the parathyroid and estrogen hormones.

If these factors are themselves deficient then the calcium will not be absorbed and will not be ready for use by the body.
Increasing calcium but not magnesium intakes, has caused a nationwide imbalance in optimal calcium to magnesium ratios. Explore studies have shown that animals fed diets deficient in magnesium originate skeletal abnormalities, including osteoporosis. When calcium in the body is too high compared to magnesium, excess calcium may be deposited in the soft tissues. This may follow in calcium deposits in places such as the kidneys, the arteries and the heart.
Excessively high intakes of calcium can interfere with the absorption of zinc, magnesium, iron, phosphorus and other nutrients. An increased intake of calcium in the diet increases requirements for magnesium, other mineral prominent for bone health.

Food, especially food naturally containing calcium, is the first priority in meeting calcium needs. Foods naturally containing calcium supply many other critical nutrients, as well as maybe other health-promoting components, in addition to calcium. Food sources of calcium are leafy green vegetables, root vegetable, salmon, nuts, tofu and broccoli.

For individuals who, for one surmise or another, are unable to eat calcium rich food, calcium-fortified foods and/or calcium supplements in a balanced recipe can be consumed to accomplish enough calcium intake. However, these are carefully a supplement to and not a substitute for, foods naturally containing calcium. When calcium supplements are taken it is also prominent to ensure that the calcium is in equilibrium with the other nutrients that are required by the body for the calcium to do its work.

What are enough intakes of calcium?

Adequate Intakes (Ais) for calcium are:

500 mg for children aged 1 to 3 years,

800 mg for children aged 4 to 8 years,

1,300 mg for adolescents aged 9 to 18 years,

1,000 mg for adults aged 19 to 50 years, and

1,200 mg for adults aged 51 years and older.

The Recommended Daily Allowances (Rda) are lower than the Ais but many health professionals do not see the Rdas as being enough for maintaining health and wellbeing.

Signs of calcium toxicity can include: confusion, slow or irregular heartbeat, bone or muscle pain, nausea and vomiting.

Conclusion

Calcium is an prominent mineral for health. It is involved in many functions in the body and there is no doubt that many Americans are not getting enough calcium in their diets. The fortification of foods and beverages with calcium is an effort to increase calcium intake, however this is a simplistic response to a involved qoute and may precisely lead to more harm than good. In order for a calcium supplement to work the calcium needs to be in equilibrium with the other nutrients need by the body. This equilibrium is not provided by the simple addition of calcium to food.

References

Institute of Medicine, Standing Committee on the Scientific estimate of Dietary Reference Intakes. 1997, Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. National Academy Press.

U.S. Group of health and Human Services. 2000, salutary People 2010. (Conference Edition in Two Volumes).Washington, D.C..

U.S. Group of Agriculture, Agricultural Explore Service, Food Surveys Explore Group. 1996, Pyramid Servings Data. Results from Usda's 1994-96 continuing eye of Food Intakes by Individuals.

Weaver, C.M. 2001, In Bowman, B.A., and R.M. Russell, (Eds). Present Knowledge in Nutrition. 8th edition. Ilsi Press.

Calcium and Food Fortification