Water Activity

Method References

AquaLab 3TE Water Activity Meter Manual; Ronald E. Wrolstad, et. Al: Handbook of Food Anlaytical Chemistry, Water, Proteins, Enzymes, Lipids… 2000-2005 John Wiley & Sons

Sample Size


Estimated Turn Around Time

5-7 Business days(R)

Reporting Unit


Method Description

Samples are ground, mixed reading are read via Water Activity meter.

Additional Information

Aw above 0.95 will support microbial growth (yeast, mold, bacteria). Aw below 0.85 will not support microbial growth. Aw between 0.85 and 0.95 generally have a somewhat stable shelf life, but will spoil eventually.

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