Yeast Acid Food Vial is a minimally buffered medium with dextrose as the carbon source, and chlorophenol red (CPR) dye as the pH indicator (pH range: 6.0 to 6.4). A supplement containing chloramphenicol and chlortetracycline is used to inhibit the growth of bacteria. As the yeast grow and reduce the sugar to acid, the CPR dye changes from red to yellow.
Analyte Yeast & Mold
Brand Soleris®
Limit of Detection Dilute to Specification or Presence/Absence (with pre-incubation)
Package Dimensions 12.00 IN x 11.30 IN x 2.90 IN
Package Weight 4.80 LB
Platform Rapid Microbiology
Quantity per Package 100 vials
Result Type Quantitative

  1. Soleris Automated System
  2. Sterile 1N to 5N NaOH and/or HCL
  3. pH meter or pH paper
  4. Syringe filter (Fisher item 05-713-387)
  5. 10 mL syringes luer lock (Fisher item 03-377-23)
Dependent on sample tested:
  1. Butterfield's Phosphate Buffer, 99mL (BPB-99)
  2. YI-110, Yeast and Mold supplement, rehydrated
  3. ETOH-25, 200 proof ethanol and sterile water


Our customers’ success is our shared success. Our experts are ready to train you and your team on our solutions, so you can rest easy knowing procedures are performed properly and yield accurate results. In addition, we provide certificates upon completion of training to provide you with the documentation needed for audit traceability.



Our experts are here to help. If you need information beyond what is provided in Validation Reports under the Documents tab, please contact us and we will be happy to assist you. Learn more