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Step 1Remove the protective lid from the CompactDry plate. |
Step 2Drop 1ml of sample (dilute if necessary) in the middle of dry media. |
Step 3Sample diffuses automatically, transforming the dry medium to gel. |
Step 4Re-cap and incubate for the prescribed time. Count the number of colonies. |
Hardy Diagnostics CompactDry EC is a ready-to-use chromogenic medium for performing E. coli and coliform counts that contains dehydrated culture media and a cold water-soluble gelling agent in a non-woven cloth matrix. The medium is instantly hydrated when inoculated with a sample, and capillary action diffuses the sample evenly over the matrix to form a gel within seconds. CompactDry EC contains two chromogenic substrates, Magenta-Gal and X-Gluc, that yield a colored reaction when utilized and permit the differentiation of E. coli from other members of the coliform group. CompactDry EC performs comparably to the FDA MPN method for enumeration of E. coli and coliform bacteria. CompactDry EC is AOAC validated PTM 110402
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CompactDry E. coli (EC) | CompactDry S. aureus (XSA) | CompactDry Yeast/Mold Rapid (YMR) | CompactDry Total Count (TC) | |
Price | $223.20$223.20 | — | — | $163.20$163.20 |
AOAC Performance Tested | 110402 | 081001 | 092002 | 010401 |
Recommended Use | Detection and enumeration of indicator organisms rather than pathogens | Detection and enumeration of Staphylococcus aureus | Detection and enumeration of yeasts and molds in food | Determination of total aerobic bacterial counts |
Result | Pink-purple colonies are indicative of coliforms and blue-colored colonies are indicative of Escherichia coli | Two chromogenic substrates that result in light blue to blue colored colonies produced by S. aureus | Blue colored colonies indicate yeasts. Molds form cottony colonies with characteristic colors | Most colonies will be red due to reduction of TTC |