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Method and apparatus for preserving human saliva for testing

  • US 5,968,746 A
  • Filed: 11/26/1997
  • Issued: 10/19/1999
  • Est. Priority Date: 11/26/1997
  • Status: Expired due to Fees
First Claim
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1. An assay sample collection kit for the direct collection and preservation of a saliva sample for subsequent assay of a hydrophilic compound therein comprising:

  • a) an ionic solute that upon dilution to a preselected volume in water yields a solution with an osmality of a normal physiological body fluid; and

    b) an enzymatic inhibiter of an enzyme capable of utilizing said hydrophilic compound as a substrate, said enzyme being present in the saliva sample.

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