Why is the ph of saliva before meals 7.4 and after meals 5.9
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ph of saliva will be always neutral in mouth i. e., 7.4 .
but......•
after taking our food or meals its ph will be acidic because the food may contain some acidic materials.
and when breaking down then., saliva becomes acidic.
but......•
after taking our food or meals its ph will be acidic because the food may contain some acidic materials.
and when breaking down then., saliva becomes acidic.
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