Sunday, January 01, 2006

Maintaining Acid Base Blalance In Our Body


What is pH??
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The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic). HCl, which is Maintaing a proper pH in the body is essential because the body tends to be disease prone when it becomes acidic, while certain microbes like Candida thrives in alkaline condition.

Regulation Of pH:
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Regulation of pH is also referred to as acid-base balance. The body is constantly working to maintain a balance between too many acid products and too many alkaline, or basic products. Normally, the body is able to maintain an acid-base balance with little difficulty. The lungs and the kidneys are the primary organs by which the body regulates its supply of acids and bases. Even small changes in acid-base balance can have dramatic effects on the normal function of cells within our bodies. For instance, one of the main manifestations of acidosis is a depressive effect on the central nervous system, severity of which, can lead to coma..Conversely, a person who tends to have more alkaline blood will experience overexciteabiltiy of the nervous system, seen as nervousness, tingling, spasms, and twitches of the muscles

The most important nutrients in our bodies for maintaining acid-base balance are certain minerals.This minerals are called BUFFERS. More specifically, sodium, postassium, chloride, and bicarbonate (a combination of hydrogen, carbon and oxygen molecules) are responsible for the precise balance involved. By fine-tuning the relative amounts of these elements in the blood, many practitioners of natural medicine can work to improve their patient's overall balance with the environment.

The body uses minerals (BUFFERS), primarily different types of organic calciums to buffer the pH in the blood and the tissues of the body. The blood pH remains at a strict 7.4. A drop of one or two tenth of the pH can cause death, so the blood pH is balanced strictly with different means:

1) Minerals that buffer pH,

2) CO2 respiration,

3) The kidneys secreting excess H+ or OH-

4) And finally the body can dump acids or alkaline excesses into the tissues when all other measures are exhausted.

A declining pH (or overacidity) just can't be allowed. To prevent it, when faced with a lot of incoming acid, the blood

begins to pull alkaline minerals (i.e. Buffers) out of our tissues to compensate. There is a family of minerals particularly suited to neutralizing, or detoxifying, strong acids, including sodium, potassium, calcium, and magnesium. When these minerals react with acids, they create much less detrimental substances, which are then eliminated by the body.

What is acid and what is base?
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To understantd this first we consider “what are protons?” and “what are electrons?” Protons are positively charged ions, e.g., hydrogen (H+). Electrons are negatively charged ions, e.g., hydroxyl (OH-). An acid is any substance which donates hydrogen ions to its solution, so acidity in a solution is a term to describe the state of hydrogen ion concentration exceeding hydroxyl ion concentration. Similarly an alkali (or base) is a substance which donates hydroxyl ions, and when the hydroxyl ion concentration exceeds hydrogen ion concentration the solution is alkaline. The strength of an acid or base is determined by how fast and how much of the substance dissociates into ions. If little dissociation occurs, the acid or base will be weak, if dissociation is high then, as in the case of HCl, it is a strong acid, and NaOH is a strong alkali.

Blood pH
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All agree on one fact: if the blood does not remain at its perfect range of 7.356 to 7.456, damage can occur to vital organs and life itself could be jeopardized. In order to maintain that ideal range for the blood, our bodies will leach the calcium (which is alkaline) right out of our bones and teeth to correct a too acid condition. Can you say osteoporosis, kidney stones, and tooth decay?

Impact of too much acidity
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An acid condition, if left unchecked, over a long period of time will block the body's absorption of much needed vitamins and minerals. Balancing our body's pH is the cornerstone of excellent health. If you want to save money at the drug store and on supplements at the health food store. . . make sure your pH level is in balance.

Symptoms of Acidosis are frequent sighing, increased heartbeat, restlessness, cold sweat, dry skin and mouth, hard stools, diminished urination, perspiration, sticky, sour taste in the mouth, halitosis (bad breath), adrenal fatigue. If any of these symptoms sound all too familiar, don't despair. There is action you can take. Simple changes in lifestyle can make a meaningful difference.

Importance of stomach acid
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Stomach acid serves many important functions, not only in digestion, but also in keeping the body free from disease. Many bacteria enter the body with food. Some of them are not friendly to human life. In a normal stomach, these bacteria are doused with acid and die. In a person with hypochlorhydria (abnormally low production of gastric acids), these bacteria are escorted into the small intestine along with a generous food supply. It has been shown that people with hypochlorhydria have more than their share of infections. The ever present yeast organism makes its entrance via the mouth. Many people with the so-called "yeast syndrome" are unable to get rid of their yeast because the organism continues to reinfect the body through the mouth. Here is a list of those diseases associated with hypochlorhydria:

**Allergies Chronic fatigue

**Autoimmune Diseases Weak nails

**Thyroid disorders Dry skin

**Diabetes mellitus Poor night vision

**Gallbladder disease Hypoglycemia

**Asthma Weak Adrenals

**Vitiligo Rheumatic arthritis

**Acne rosacea Lupus erythematosis

**Chronic hepatitis

Maintaining proper pH balance in the body is an important factor. The stomach acid is more responsible for bacteria not infecting stomach. the more we go to lower part of our digestive tract the pH increases. In these way stomach is most acidic and colon is most basic. pH of stomach is less than 4 , that of small intestine is between 5.7 to 6.7 and pH of colon is over 6.7
There are harmful bacteria in our colon which thrives in acid medium and there are harmful microbes, like candida albicans in our colon which can grow quickly in alkaline condition.
There are beneficial bacteria in our intestine like acidophilus (found in lactose ) which produces lactic acid and maintains the acidic environment in colon and lower part of small intestine. And thus it helps in resisting the overgrowth of harmul bacterias and fungus like candida albicans.
The beneficial bacteria may be lost due to excessive use of antibiotics These beneficial bacteria checks the growth of fungi. If these beneficial bacteria are less in numbers in colon then harmful bacteria and fungi like candida will overgrow.

What are Lactic Acid Bacteria?
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Lactic acid bacteria refers to a large group of beneficial bacteria that have similar properties and all produce lactic acid as an end product of the Carbohydrate fermentation process. These microbes are broadly used by us in the production of fermented food products, such as yogurt (Streptococcus spp. and Lactobacillus spp.), cheeses (Lactococcus spp.), sauerkraut (Leuconostoc spp.) and sausage.They are found in our digestive system as well as are widespread in nature. They are also used for pickling of vegetables, baking, winemaking, curing fish, meats and sausages.They are used in particular in fermented milk products from all over the world, including yoghurt, cheese, butter, buttermilk, kefir and koumiss.

What is the role of Lactic Acid Bacteria In Our Intestine?
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**Inhibits the growth of pathogenic bacteria

Lactic acid bacteria inhibit the growth of pathogenic bacteria and their production of toxins. Acidophilus bacteria have a superior capability of producing lactic acid as well as anti-bacterial substances, thus suppressing harmful bacteria. Bifidobacterium particularly protect the body from harmful bacteria by adhering to the intestinal mucosa (cells lining the intestines), by producing acetic acid and by activating macrophages (immune cells) that also produce substances that suppress harmful bacteria.

**Reduces gas and bloating

By inhibiting the growth of pathogenic bacteria, Lactic acid Bacteria reduces production of toxins and gas. Antibiotics, on the other hand, that can destroy both good and bad bacteria have been shown to increase gas production.

**Decreases the production of toxic and cancer-causing compounds in the intestinal tract

Acidophilus bacteria suppress the production of harmful substances such as ammonia, indole and hydrogen sulfide that are hazardous to the human body. Bifidobacterium helps to decrease the amount of toxins going to the liver. Gut bacteria “recycle” toxins such as ammonia by using it as an important source of nitrogen for their own protein synthesis during their growth phase. Bifidobacterium and Acidophilus bacteria decompose nitrosamines (cancer causing compounds) and can also suppress the production of nitrosamines in the intestines.

**Have an impact on cholesterol

Bifidobacterium and L. Acidophilus may play an important role in cholesterol metabolism of their host. Intestinal bacteria convert cholesterol into a less absorbable form (coprostanol) thus hampering its absorption from the intestinal tract. Several human and animal studies have suggested a cholesterol lowering effect from lactic acid bacteria.

**Produce vitamins and other nutritional factors

Bifidobacterium produce vitamin B1, whereas acidophilus bacteria suppress the growth of bacteria that decompose vitamin B1. Bifidobacterium are also capable of producing B6, folacin, B12 and several amino acids.


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