Posts Tagged ‘Doses’

Histidine – Essential Amino Acid for tissue Growth and Repair

Histidine is regarded as an essential amino acid during the period of growth. However, as healthy adults are capable of synthesizing it according to their requirements, it is termed a non-essential amino acid in adult life. This amino acid may also be required in the diet during old age and in those suffering from de-generative diseases. Histidine is metabolized into histamine, an important physiological substance which is normally freely present in the intestine.

- Histidine is essential for growth and repair of human tissues.
- Histidine is necessary for the conversion of glucose into glycogen in the liver.
- Histidine converted into histamine stimulates the secretion of hydrochloric acid in the stomach.

Histidine is found in :
- Fruits such as bananas and grapes.
- Meat and poultry.
- Milk and milk products.
- Root vegetables and all green vegetables but in lesser quantities.

A deficiency of histidine can cause :
- Pain in the bony joints.
- Low urine concentration of histidine has been reported to accompany rheumatoid arthritis.

HEALING PROPERTIES
Taken orally, histidine is likely to depress the pain of rheumatoid arthritis. Histidine helps to dilate the blood vessels and has therefore, been found beneficial in the treatment of cardio-circulatory disorders. The release of histidine from body stores is considered a prerequisite for sexual arousal. Hence, histidine supplementation may prove helpful in this regard.
Histidine has also been found to be beneficial in allergic conditions, in the treatment of anemia , and disorders of the auditory nerve.

PRECAUTION:
Taken orally, histidine has a tendency to stimulate hydrochloric acid secretion in the stomach. Thus, persons who already suffer from over-abundance of acid in the stomach and those who have ulcers should avoid taking pure histidine.

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Leucine and Isoleucine – Essential Amino acids that boosts energy levels and stimulates essential hormones.

LEUCINE – BOOSTS ENERGY LEVELS

Leucine is an essential amino acid that boosts energy levels and along with isoleucine and valine plays an important role in energy production in the body. Leucine regulates protein metabolism in the body. The availability of leucine is especially important in controlling the net synthesis of protein. The major sources of leucine are :
- Whole grains
- Milk and milk products
- Eggs
- Pork
- Beef
- Chicken
- Pulses
- Soya Beans
- Leafy vegetables
Therapeutically, leucine as well as isoleucine and valine can be used as a means of minimising protein loss in patients undergoing surgery.

CAUTION : It has been found that dietary excess of leucine may be a precipitating factor in developing pellagra.

ISOLEUCINE – STIMULATES ESSENTIAL HORMONES

Isoleucine is an essential amino acids i.e. it is not formed in the body and hence, must be present in the diet. Along with leucine and valine, it is important in human metabolism as an energy yielding source.
Isoleucine is essential for the production and maintenance of body proteins. It also regulates metabolism and the functioning of the thymus gland in the neck, spleen, and pituitary glands. It is useful in the formation of hemoglobin.
The rich sources of isoleucine are :
- Eggs
- Chicken
- Pork
- Mutton
- Pulses
- Soya Beans
- Cottage cheese
- Milk
- Piyal seeds
- Cashew Nuts
- Cereal grains

Isoleucine is one of a group of amino acids found deficient in persons who are ill. The recommended therapeutic dose of this amino acid is between 240mg and 360mg daily. Hence this must be given in combination with the other amino acids that are found lacking.

Phenylalanine – essential amino-acid for weight control.

Phenylalanine is an essential amino acid since other amino acids are formed from it in the body. Along with tyrosine, it provides raw material from which the body makes the hormones adrenaline and thyroxine. The body can also convert phenylalanine to tyrosine but not vice versa.

Phenylalanine is effective for weight control because of its effect on thyroid selection. It also plays an important role in the control of appetite. If taken before meals, it suppresses the appetite substantially. This amino acid is also essential for the efficient functioning of the kidneys and the bladder.

Phenylalanine is found in abundance in:
- curd
- milk
- cottage cheese
- pulses and legumes
- poultry
- piyal seeds
- groundnuts
- pistachio nuts
- almonds
- leafy vegetables
- whole grains

Deficiency of phenylalanine can lead to a variety of symptoms including:
- bloodshot eyes.
- cataract.
- several behavioral changes such as psychotic and schizophrenic behavior.

Phenylalanine has many therapeutic uses like:
- It is considered beneficial in the treatment of obesity and is being successfully employed as an appetite suppressant for this condition.
- In the intestinal tract, the amino acids tryptophan and phenylalanine trigger the release of cholycystokinin which induces satiety, and a termination of eating.
- An intake of half a teaspoon of phenylalanine powder 30 minutes before each meal can lead to a loss of as much as 100 to 200g of weight a day.
- Positive effects noticed after 24-48 hours of taking phenylalanine are a feeling of greater alertness, an increase in sexual interest, memory enhancement.
- It also diminishes depressant feelings.

CAUTION: Caution should be observed in the use of phenylalanine in hypertensive individuals. Low doses of around 100mg daily should be taken by anyone with suspected high blood pressure, and a check should be kept on pressure levels.