AuroFlow™ Beta-Lactam Strip Test Kit

Catalog# Product Name Quantity US List Price
FOOD-1067-01 AuroFlow™ Beta-Lactam Strip Test Kit 96 strips Inquire

These kits are available for purchase by email, fax or phone only. Please email your order to, fax it to 1-512-707-8122 or call 512-707-8993.

  • Rapid strip test method – 7 minutes
  • Works in cold milk
  • Detects 14 beta-lactams below EU MRL (maximum residue limit)
  • High sensitivity
  • High reproducibility
  • Interpretation of results can be done by eye or using the QuickSTAR™ Strip Reader

Rapid Strip Test for Beta-Lactam Antibotic Residues in Milk

The AuroFlow™ Beta-Lactam Strip Test Kit is a qualitative and rapid lateral flow assay designed to detect beta-lactam antibiotic residues in raw commingled cow’s milk. This test is designed for rapid field use or reference lab settings. This immunochromatographic assay eliminates the need for a heating block.

The AuroFlow™ lateral flow test strips are designed for the detection of a broad range of antibiotics in raw, commingled cow’s milk. These rapid tests detect 14 beta-lactam antibiotics in milk at or below EU and CODEX Maximum Residue Limits (MRL). The combo kits allow simultaneous detection of different classes of antibiotic residues. These state-of-the-art tests also use novel methods which eliminate the need for a heating block. Validation reports are available showing the efficacy of the tests in both room temperature and cold milk. The fast, simplified protocol can be seen in the next tab. For visual interpretation of the test results, T-line signal intensity that is stronger than the signal at the C-line indicates a negative result. Signal at the T-line which is equal or less intense compared to the C-line indicates a positive result.

Beta-lactam antibiotics are a class of broad-spectrum antibiotics, consisting of all antibiotic agents that contain a beta-lactam ring in their molecular structures. This includes penicillin derivatives (penams), cephalosporins (cephems), monobactams, and carbapenems. Most beta-lactam antibiotics work by inhibiting cell wall biosynthesis in the bacterial organism, and they are the most widely used group of antibiotics. Until 2003, when measured by sales, more than half of all commercially available antibiotics in use were beta-lactam compounds.

This kit is manufactured to the international quality standard ISO 9001.

AuroFlow Beta-Lactam Strip Test Kit Specs

The AuroFlow Beta-Lactam Strip Test Kit has the capacity for 96 (Cat # FOOD-1067-01) determinations. The shelf life is 24 months when the kit is properly stored.

The positive and negative control vials contain lyophilized milk samples, and must be reconstituted with 1 mL of distilled water before use. The reconstituted raw milk controls are stable for 48 hours at 4°C. Additional positive and negative control vials are available separately (Cat # 106710).

AuroFlow™ Beta-Lactam Strip Test Kit Protocol

AuroFlow™ Beta-Lactam Strip Test Kit Visual Interpretation

AuroFlow™ Beta-Lactam Strip Test Kit Visual Interpretation

The above diagram is for visual interpretation only. If using the QuickSTAR strip reader, refer to reader instructions provided with the unit. If the T-line is less intense than the C-line, the sample is positive for beta-lactam antibiotics.

Invalid Results 

The test is invalid if no colored line appears in the C-line area even if a colored line appears in the T-line area. Re-test milk sample if broken lines are observed. Colored lines which appear after 20 minutes are not diagnostic and should be ignored. If the sample does not flow up the dipstick, the milk sample may be clotted, invalidating the test result. To avoid milk sample clotting, always use fresh raw milk.

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