Re: PH tests
6.4 - 7.0 is said to be optimal range for saliva. Saliva needs to remain acidic to begin the breakdownof foods & kill off bad bacteria (including those that cause bad breath).
Urine tests will show different PH than saliva because with alkaline diets, alkaline-ash is left behind in your digestive teact as a byproduct. It eventually makes its way out of your body with the rest of the fluid. The same goes with acid diets which leave behind acid-ash.
I'm not certain this ask is picked up and excreted through the salivary glands. If it does, I would assume the amount is not as concentrated as with urine.
Also, urine/saliva PH tests are not indicative of blood PH, which is closely regulated by buffers more so than what foods enter our bodies. For PH in the blood to become acidic, the kidneys would have to have a severe problem in creating bicarbonate to neutralize it.
As I understand it, latent acidosis is the build-up of metaboilc acids (by-products of cellular metabolism) and not ingested acids.