The NF-TVC vial is a general screening for total viable count and can be used for specification monitoring or sterility testing in food, nutraceutical and personal care/cosmetic products. The vial has broad inclusivity and an assay time of 22 hours for most applications.  As organisms grow in the broth medium, the carbon dioxide (CO2) produced diffuses through a membrane layer into a soft agar plug containing a dye indicator.  The color change in the dye is read by the instrument.  The membrane layer in the vial servers as a barrier, eliminating product interference with the reading window. In an AOAC Research Institute Performance Tested Method SM License # 071203 study, the Soleris NF-TVC vial was found to be an effective procedure for semi-quantitative determination of total aerobic count in the following sample types: raw chicken, deli ham, lettuce, almonds, black pepper, cheesecake, ice cream mix, nonfat dry milk and cocoa powder. Test duration is 24 hours, with the exception of cocoa powder, which is 27 hours.
Specifications
Analyte Total Plate Count
Approvals NF-TVC - AOAC-PTM 071203
Brand Soleris®
Incubation Time 22-72
Limit of Detection Dilute to Specification or Presence/Absence (with pre-incubation)
Package Dimensions 12.00 IN x 11.00 IN x 2.80 IN
Package Weight 4.70 LB
Platform Rapid Microbiology
Quantity per Package 100 vials
Result Type Quantitative
Testing Time 22.00 - 72.00 Hours
Volume 9 mL

  1. Soleris Automated System (BSX32, BSX128, BLX-INS32)

Dependent on sample tested:

  1. Butterfield’s Phosphate Buffer, 99 mL (BPB-99)
  2. pH meter of pH paper
  3. Sterile 1 N to 5 N sodium hydroxide (NaOH) and/or hydrochloric acid (HCl)
  4. For USP Testing: Tryptic Soy broth, 90 mL (BLX-TSB90), Butter¬field’s Phosphate Buffer, 90 mL (6654) or other designated neutralization broths

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