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Minerals And The Part They Play In Your Health
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Minerals play an important role in every bodily function and are
present in every human cell. Although the amount needed may be small,
without even the trace of the mineral, dysfunction is bound to occur
at some level in the body. A zinc deficiency may show up in ridged
fingernails with white spots. Lack of sulphur can cause lack-lustre
hair and dull-looking skin. Less obvious deficiencies may surface
as fatigue, irritability, loss of memory, nervousness, depression
and weakness.
Minerals also interact with vitamins. Magnesium, for instance,
must be present in the body for utilization of B-complex, C and
E vitamins. Sulphur also works with the B-complex vitamins. The
body needs all the trace minerals in proper balance.
Coffee, tea, alcohol, excess salt and many drugs can rob the body
of minerals or make them ineffective. Industrial pollutants cause
toxic minerals to enter the body. Minerals at toxic levels also
have the effect of destroying the usefulness of other vitamins and
minerals. Exercise improves the activity of certain vitamins and
minerals while stress and fatigue work against them.
A well-balanced diet provides as abundance of minerals and vitamins.
In refining cereals, grains and sugar, we have robbed them of their
natural vitamins and minerals. The dietary sources of these nutrients
are whole grains, cereals, bran and germ. It is the bran and germ
which are removed in processing. To obtain a balance of nutrients,
it's necessary to avoid refined and processed foods and eat adequate
amounts of green leafy vegetables which are an excellent source
of many nutrients.
Food medicines are the most powerful way of building health. These
basic elements are the 90 minerals and trace elements that make
up the earth's crust. Minerals are vital to health. Like vitamins
and amino acids, minerals are essential for regulating and building
the trillions of living cells which make up the body. Minerals help
maintain the volume of water necessary to life processes in the
body. They help draw chemical substances into and out of the cells
and they keep the blood and tissue fluid from becoming either too
acidic or too alkaline.
The importance of minerals, like vitamins, is illustrated by the
fact that there are over 50,000 enzymes in the body which direct
growth and energy and each enzyme has minerals and vitamins associated
with it. Each of the essential food minerals does a specific job
in the body and some of them do extra work, in teams, to keep body
cells healthy. The mineral elements which are needed by the body
in substantial amounts are calcium, phosphorous, iron, sulphur,
magnesium, sodium, potassium and chlorine. In addition the body
needs minute (trace) amounts of iodine, copper, cobalt, manganese,
zinc, selenium, silicon, fluorine and some others.
MINERALS
CALCIUM
The human body needs calcium more than any other mineral. A man
weighing 70 kg. contains one kg. of calcium. About 99% of the quantity
in the body is used for building strong bones and teeth and the
remaining one per cent is used by the blood, muscles and nerves.
Calcium performs many important functions. Without this mineral
, the contractions of the heart would be faulty, the muscles would
not contract properly to make the limbs move and blood would not
clot. Calcium stimulates enzymes in the digestive process and coordinates
the functions of all other minerals in the body.
Deficiency may cause porous and fragile bones, tooth decay, heart
palpitations, muscle cramps, insomnia and irritability. A large
increase in the dietary supply of calcium is needed in tetany and
when the bones are decalcified due to poor calcium absorption, as
in rickets, oesteomalacia and the mal-absorption syndrome. Liberal
quantity of calcium is also necessary when excessive calcium has
been lost from the body as in hyperparathyroidism or chronic renal
disease.
Sources & Daily Requirements of Calcium
Calcium is found in milk and milk products, whole wheat, leafy
vegetables such as lettuce, spinach, and cabbage , carrots, watercress,
oranges, lemons, almonds, figs and walnuts.
A daily intake of about 0.4 to 0.6 grams of calcium is considered
desirable for an adult. The requirement is larger for growing children
and pregnant and lactating women.
CHLORINE
In the human body, chlorine is liberated by the interaction of common
salt, taken along with food, and hydrochloric acid liberated in
the stomach during the process of digestion. It is essential for
the proper distribution of carbon dioxide and the maintenance of
osmotic pressure in the tissues. This food element is necessary
for the manufacture of glandular hormone secretions. It prevents
the building of excessive fat and auto-intoxication. Chlorine regulates
the blood’s alkaline -acid balance and works with Potassium
in a compound form. It aids in the cleaning out of body waste by
helping the liver to function.
Deficiency of this mineral can cause loss of hair and teeth.
Sources & Daily Requirements of Chlorine
Chlorine is found in cheese and other milk products, green leafy
vegetables, tomatoes, all berries, rice, radishes, lentils, coconuts
and egg yolk.
COBALT
Cobalt is a component of vitamin B12, a nutritional factor necessary
for the formation of red blood cells. The presence of this mineral
in foods helps the synthesis of hemoglobin and the absorption of
food iron.
Sources & Daily Requirements of Cobalt
The best dietary sources of cobalt are meat, kidney and liver.
All green leafy vegetables contain some amount of this mineral.
No daily allowance has been set. Only a very small amount up to
8 mcg. is considered necessary.
COPPER
There are approximately 75 to 150 mg. of copper in the adult human
body. Newborn infants have higher concentrations than adults. Liver,
brain, kidney, heart, and hair contain relatively high concentration.
Average serum copper levels are higher in adult females than in
males. Serum copper levels also increase significantly in women
both during pregnancy and when taking oral contraceptives. This
mineral helps in the conversion of iron into haemoglobin. It stimulates
the growth of red blood cells. It is also an integral part of certain
digestive enzymes. It makes the amino acid tyrosine usable, enabling
it to work as the pigmenting factor for hair and skin. It is also
essential for the utilisation of vitamin C.
A copper deficiency may result in bodily weakness, digestive disturbances
and impaired respiration.
Sources & Daily Requirements of Copper
Copper is found in most foods containing iron, especially in almonds,
dried beans, peas, lentils, whole wheat, prunes and egg yolk.
The recommended dietary allowance has not been established but
2 mg. is considered adequate for adults.
FLUORINE
Fluorine is the element that prevents diseases from decaying the
body. It is a germicide, and acts as an antidote to poison, sickness
and disease. There is a strong affinity between calcium and fluorine.
These two elements , when combined, work particularly in the outer
parts of bones. They are found in the enamel of the teeth and the
shiny, highly polished bone surface.
Sources & Daily Requirements of Fluorine
Fluorine is found in goat’s milk, cauliflower, watercress,
garlic, beets, cabbage, spinach and pistachio nuts. .
No official dietary allowance has been established for this mineral.
IODINE
The chief store-house of iodine in the body is the thyroid gland.
The essential thyroxin, which is secreted by this gland, is made
by the circulating iodine. Thyroxin is a wonder chemical which controls
the basic metabolism and oxygen consumption of tissues. It increases
the heart rate as well as urinary calcium excretion. Iodine regulates
the rate of energy production and body weight and promotes proper
growth. It promotes healthy hair, nails, skin and teeth.
Deficiency can cause enlargement of the thyroid glands. Small doses
of iodine are of great value in the prevention of goitre in areas
where it is endemic and are of value in treatments, at least in
the early stages. Larger doses have a temporary value in the preparation
of patients with hyperthyroidism for surgical operation.
Sources & Daily Requirements of Iodine
The best dietary sources of iodine are kelp and other seaweeds.
Other good sources are turnip greens, garlic, watercress, pineapples,
pears, artichokes, citrus fruits, egg yolk and sea foods and fish
liver oils.
The recommended dietary allowances are 130 mcg. per day for adult
males and 100 mcg. per day for adult females. An increase to 125
mcg. per day during pregnancy and to 150 mcg. per day during lactation
has been recommended.
IRON
Iron is an important mineral which enters into the vital activity
of the blood and glands. Iron exists chiefly as hemoglobin in the
blood. It distributes the oxygen inhaled into the lungs to all the
cells. It is the master mineral which creates vitality and stamina.
It is required for the healthy complexion and for building up resistance
in the body.
Iron deficiency is generally caused by severe blood loss, malnutrition
, infections and by excessive use of drugs and chemicals. Deficiency
of dietary iron may cause nutritional-anemia, lowered resistance
to disease, a general run down condition, pale complexion, shortness
of breath on manual exertion and loss of interest in sex. Iron is
the classic remedy for anemia. However, there are several forms
of anemia, and iron deficiency anemia is only one. If one is taking
iron pills due to insufficient intake of iron in the normal diet,
one should also take at least 40 mg. of folic acid or foliate every
day, along with 10 to 25 mg. of vitamin B12. Both these vitamins
are essential in building healthy blood cells.
Sources & Daily Requirements of Iron
The chief sources of iron are grapes, raisins, spinach, all green
vegetables, whole grain, cereals, dried beans, dark coloured fruits,
beets, dates, liver and egg yolk.
An allowance of 20 to 30 mg. of iron in a balanced diet is recommended
for an adult.
MANGANESE
The human body contains 30 to 35 mg. of manganese, widely distributed
throughout the tissues. It is found in the liver , pancreas, kidney,
pituitary glands. This mineral helps nourish the nerves and brain
and aids in the coordination of nerve impulses and muscular actions.
It helps eliminate fatigue and reduces nervous irritability.
A deficiency of this mineral can lead to dizziness, poor elasticity
in the muscles, confused thinking and poor memory.
Sources & Daily Requirements of Manganese
Manganese is found in citrus fruits, the outer covering of nuts,
grains, in the green leaves of edible plants, fish and raw egg yolk.
No official daily allowance of manganese has been established,
but 2 1/2 to 7 mg is generally accepted to be the average adult
requirement.
MAGNESIUM
All human tissues contain small amounts of magnesium. The adult
human body contains about 25 gms of this mineral. The greater part
of this amount is present in bones in combination with phosphate
and carbonate. Bone ashes contain less than one per cent magnesium.
The bones seem to provide a reserve supply of this mineral in case
of shortage elsewhere in the body.
It aids in keeping nerves relaxed and normally balanced. It is
necessary for all muscular activity. This mineral is in activator
for most of the enzyme system involving carbohydrate, fat and protein
in energy-producing reactions. It is involved in the production
of lecithin which prevents building up of cholesterol and consequent
atheros-clerosis. Magnesium promotes a healthier cardiovascular
system and aids in fighting depression. It helps prevent calcium
deposits in kidneys and gallstones and also brings relief from indigestion.
Deficiency can lead to kidney damage and kidney stones, muscle
cramps, arteriosclerosis, heart attack, epileptic seizures, nervous
irritability, marked depression and confusion, impaired protein
metabolism and premature wrinkles. Chronic alcoholics often show
a low plasma magnesium concentration and a high urinary output.
They may, therefore, require magnesium therapy especially in an
acute attack of delirium tremens. Magnesium has also proved useful
in bladder and urinary problems and in epileptic seizure. This mineral
together with vitamin B6 or pyridoxine has also been found effective
in the prevention and treatment of kidney stones. Magnesium can
be taken in therapeutic doses up to 700 mg a day.
Sources & Daily Requirements of Magnesium
Magnesium is widely distributed in foods. It is a part of the chlorophyll
in green vegetables. Other good sources of this mineral are nuts,
soya beans, alfalfa, apples, figs, lemons, peaches, almonds, whole
grains, brown rice, sunflower seeds and sesame seeds.
The recommended dietary allowances for magnesium are 350 mg. per
day for adult man, 300 mg for women and 450 mg during pregnancy
and lactation.
PHOSPHORUS
It combines with calcium to create the calcium-phosphorus balance
necessary for the growth of bones and teeth and in the formation
of nerve cells. This mineral is also essential for the assimilation
of carbohydrates and fats. It is a stimulant to the nerves and brain.
A phosphorous deficiency may bring about loss of weight, retarded
growth, reduced sexual powers and general weakness. It may result
in poor mineralization of bones, deficient nerve and brain function.
While taking calcium in therapeutic doses for calcium deficiency
conditions or for treating ailments, it is advisable to take the
calcium supplement in which phosphorous has been added in the correct
proportions. This is necessary as calcium cannot achieve its objectives
unless phosphorous is present in a proper balance.
Sources & Daily Requirements of Phosphorus
Phosphorous is found in abundance in cereals, pulses (lentil),
nuts, egg yolk, fruit juices, milk and legumes.
Usually about one gram of phosphorous is considered necessary in
the daily diet.
POTASSIUM
Potassium is essential to the life of every cell of a living being
and is among the most generously and widely distributed of all the
tissue minerals. It is found principally in the intracellular fluid
where it plays an important role as a catalyst in energy metabolism
and in the synthesis of glycogen and protein. The average adult
human body contains 120 g of potassium and 245 g of potassium chloride.
Out of this body potassium, 117 g is found in the cells and 3 g
in the extra cellular compartment. Potassium is important as an
alkalizing agent in keeping a proper acid-alkaline balance in the
blood and tissues. It is essential for muscle contraction and therefore,
important for proper heart function. It promotes the secretion of
hormones and helps the kidneys in detoxification of blood. Potassium
prevents female disorders by stimulating the endocrine hormone production.
It is involved in the proper functioning of the nervous system and
helps overcome fatigue. It also aids in clear thinking by sending
oxygen to the brain and assists in reducing blood pressure. Potassium
is also a mineral required for producing healthy sperm in males.
Potassium deficiency may occur during gastrointestinal disturbances
with severe vomiting and diarrhoea, diabetic acidosis and potassium-losing
nephritis. It causes undue nervous and body tiredness, palpitation
of the heart, cloudiness of the mind, nervous shaking of the hands
and feet, great sensitivity of the nerves to cold, and excessive
perspiration of the feet and hands. In simple cases of potassium
deficiency, drinking plenty of tender coconut water daily can make
up for it. It is advisable to consume plenty of figs, apricots,
prunes, almonds and tomatoes during the use of oral diuretics.
Potassium-rich foods should be restricted during acute renal failure
and Addison’s disease.
Sources & Daily Requirements of Potassium
Potassium is widely distributed in foods. All vegetables, especially
green, leafy vegetables, grapes, oranges, lemons, raisins, whole
grains, lentils, sunflower seeds, nuts, milk, cottage cheese and
butter milk are rich sources. Potatoes, especially potato peelings,
and bananas are especially good sources.
Potassium requirements have not been established but an intake
of 0.8 to 1.3 g per day is estimated as approximately the minimum
need.
SELENIUM
Selenium and vitamin E are synergistic. Selenium slows down aging
and hardening of tissues through oxidation. Males seem to have a
greater need for this mineral. Nearly half of the total supply in
the body is concentrated in the testicles and in the seminal ducts
adjacent to the prostate gland. Selenium is useful in keeping youthful
elasticity in tissues. It alleviates hot flushes and menopausal
distress. It also helps in the prevention and treatment of dandruff.
Deficiency of this mineral can cause premature loss of stamina.
Sources & Daily Requirements of Selenium
This mineral is found in Brewer’s yeast, garlic, onions,
tomatoes, eggs, milk and sea food.
There is no official dietary allowance for selenium but, 50 to
100 mcg is considered adequate.
SILICON
This is known as the " beauty mineral " as it is essential
for the growth of skin, hair shafts, nails and other outer coverings
of the body. It also makes the eyes bright and assists in hardening
the enamel of the teeth. It's beneficial in all healing processes
and protects the body against many diseases such as tuberculosis,
irritations in mucous membranes and skin disorders.
Deficiency can lead to soft brittle nails, aging symptoms of skin
such as wrinkles, thinning or loss of hair, poor bone development,
insomnia, osteoporosis.
Sources & Daily Requirements of Silicon
Silicon is found in apples, cherries, grapes, asparagus, beets,
onions, almonds, honey, peanuts and the juices of the green leaves
of most other vegetables.
No official dietary allowance has been established for this mineral.
SODIUM
Sodium Chloride , the chemical name for common salt, contains 39
per cent of sodium, an element which never occurs in free form in
nature. It is found in an associated form with many minerals especially
in plentiful amounts with chlorine. It acts with other electrolytes,
especially potassium, in the intracellular fluid, to regulate the
osmotic pressure and maintain a proper water balance within the
body. It is a major factor in maintaining acid-base equilibrium,
in transmitting nerve impulses, and in relaxing muscles. It is also
required for glucose absorption and for the transport of other nutrients
across cell membranes. Sodium can help prevent catarrh. It promotes
a clear brain, resulting in a better disposition and less mental
fatigue. Because of its influence on calcium, sodium can also help
dissolve any stones forming within the body. It is also essential
for the production of hydrochloric acid in the stomach and plays
a part in many other glandular secretions. There is some natural
salt in every food we eat.
Both deficiency and excess of salt may produce
adverse effects to the human body. Deficiencies of sodium are, however,
rare and may be caused by excessive sweating, prolonged use of diuretics,
or chronic diarrhoea. Deficiency may lead to nausea, muscular weakness,
heat exhaustion, mental apathy and respiratory failure. Over-supply
of sodium is a more common problem because of overuse of dietary
sodium chloride or common salt. Too much sodium may lead to
water retention, high blood pressure, stomach ulcers, stomach cancer,
hardening of arteries and heart disease. In case of mild deficiency
of sodium chloride, taking a teaspoon of common salt in one half
litre of water or any fruit juice quickly restores the health. In
severe conditions, however, administration of sodium chloride in
the form of normal saline by intravenous drip may be restored to.
The adverse effects of excessive use of sodium chloride can be rectified
by avoiding the use of common salt.
Cramps in the limbs can sometimes be due to lack of salt due to
sweating from intense exercise. A small teaspoon of salt in water
or a fruit juice can bring almost instant relief.
Sources & Daily Requirements of Sodium
Vegetable foods rich in sodium are celery, cucumbers, watermelon,
lemons, oranges, grapefruit, beet-tops, cabbage, lettuce, corn,
apple, berries, pears, squash, pumpkin, peaches, lentils, almonds
and walnuts. Animal food sources include shell fish, lean beef,
kidney, bacon and cheese.
SULPHUR
All living matter contains some sulphur ; this element is therefore
essential for life. The greater part of the sulphur in the human
body is present in the two sulphur-containing amino acids, methionine
and cysteine, or in the double form of the latter cystine. The main
purpose of sulphur is to dissolve waste materials. It helps to eject
some of the waste and poisons from the system. It helps keep the
skin clear of blemishes and makes hair glossy. It is also valuable
in rheumatic conditions.
Deficiency of sulphur may cause eczema and imperfect development
of hair and nails. Sulphur creams and ointments have been remarkably
successful in treating a variety of skin problems.
Sources & Daily Requirements of Sulphur
The main sulphur-containing foods are radishes, carrots, cabbage,
cheese, dried beans, fish and eggs.
There is no recommended dietary allowance but a diet sufficient
in protein will generally be adequate in sulphur.
ZINC
There are about two grams of zinc in the body where it is highly
concentrated in the hair, skin, eyes, nails and testes. It is a
constituent of many enzymes involved in metabolism. Zinc is a precious
mineral. Our need for this mineral is small but its role in growth
and well-being is enormous, starting before birth. It is needed
for healthy skin and hair, proper healing of wounds, successful
pregnancies and male virility. It plays a vital role in guarding
against diseases and infection. It is needed to transport vitamin
A to the retina. There are 156 enzymes that require zinc for their
functioning. Growth and sexual maturity depend on zinc.
Deficiency can result in weight loss, skin diseases, loss of hair,
poor appetite, diarrhea and frequent infection. Those suffering
from rheumatoid arthritis may have a zinc deficiency. Heavy drinkers
lose a lot of zinc in their urine.
Sources & Daily Requirements of Zinc
The main dietary sources of zinc are milk, liver, beans, meat,
whole grains, nuts, and seeds.
The recommended dietary allowance of zinc is 15 mg daily.
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