Marshall Dudley wrote:
>
> Tai-Pan wrote:
>
> > Now remember that this is a salt solution, not what you would find
> > in your mouth on a regular basis.
>
> Saliva is pretty well salty water is it not?
>
> Marshall
Hi Marshall and listers,
Saliva has some salts but not much. Sea water is salty, as you will
recall when we get it in our mouth by accident. Salt water for gargling
in a glass is salty. Lets look at saliva.
Saliva consists of a large amount of water (99.5%) containing some
protein material, mucin, inorganic salts, salivary amylase, ptyalin,
glucose, urea, serum albumin, globulin, lactic acid, phenols, vitamins,
and thiocyanate. Enzymes other rhan amylase, including phosphatase and
carbonic anhydrase have been reported in saliva.
About half the substances contained in the water of saliva are
inorganic salts in solution, mainly chlorides, carbonates, and
phosphates of sodium, calcium, and potassium.
Salia has a specific gravity of 1.004 to 1.008 and a pH of 6.4 to 7.1.
The main inorganic salts are ;
Na+ of 20-40
K+ of 15-25
Ca2+ of 3-8
Cl- of 20-40
HCO-3 of 10-20
These inorganic salts are stated in meq/l of water.
So it seems we cannot call saliva salty water. It does have a lot of
electrolytes.
Bless you Bob Lee
--
oozing on the muggy shore of the gulf coast
[email protected]
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