FSTest InstaPro Swab – Rapid Surface Protein Residue Test Kit for Cleaning Validation

Professional Surface Cleanliness Monitoring

The FSTest InstaPro Swab is a high-performance, ready-to-use protein residue test designed for instant hygiene monitoring. This surface protein detection kit allows food safety managers to validate cleaning effectiveness on equipment and food contact zones without expensive laboratory instruments. It is a critical tool for demonstrating due diligence within a HACCP program.

Scientific Detection Principle: The BCA Method

This colorimetric test kit utilizes the scientifically recognized BCA method and Biuret reaction:

• Chemical Reaction: Under alkaline conditions, copper ions (Cu²⁺) form complexes with peptide bonds in proteins, reducing to Cu⁺.

• Visual Result: The Cu⁺ then reacts with bicinchoninic acid (BCA), producing a stable purple chromogen.

• Quantitative Indicator: A visible color change from green to purple indicates the presence of protein; the intensity and speed of the change correspond to the amount of residue collected.

Key Features & Advantages

• High Sensitivity: Detects as little as 20µg of protein at room temperature (15-25°C) within 10 minutes.

• Rapid Results: For high concentrations (≥ 80μg), positive results are visible in just 1 minute.

• Enhanced Performance: At 40°C, the detection limit improves to 10µg.

• All-in-One Design: Features a pre-moistened swab tip for maximum sample collection.

• Eco-Friendly: Devices are made of 100% recyclable plastic for sustainable waste disposal.

• Long Shelf Life: Stable for 15 days at room temperature during transport and 12 months when refrigerated at 2-8°C.

Step-by-Step Instructions (SOP)

1. Swab: Remove the swab and thoroughly sample a 10x10 cm (4x4 inch) area using a vertical, horizontal, and diagonal crisscross pattern.

2. Activate: Place the swab back into the tube. Break the SnapValve by bending the bulb forward and backward.

3. Expel: Squeeze the bulb twice to expel all liquid reagent down the swab shaft.

4. Read: Shake for 5–10 seconds. Compare the reagent color to the InstaPro Swab color chart on the label after 10 minutes (or sooner if color changes).

Target Industries & Applications

• Food & Beverage Processing: Reliable food safety testing on production lines and stainless steel surfaces.

• Catering & Kitchens: Quick surface hygiene test to verify sanitation after detergent cleaning.

• HACCP Compliance: Provides simple and effective validation for hygiene programs.

• Allergen Risk Management: Detects invisible protein residues that may indicate potential allergen risks.

Why Choose FSTest InstaPro Swabs?

FSTest provides a cost-effective solution for detecting trace amounts of residue that manual inspections miss. By testing after cleaning but before final disinfection, you prevent wasted chemicals and ensure optimum sanitation performance.

Product Specifications

• Quantity: 25 tests per kit

• Contents: 25 Test Swabs and 1 User Manual

• Storage: Can be stored and transported at room temperature within 15 days, and then kept at 15-25°C for 12 months.

Results Interpretation

The faster and darker the color change, the higher the level of protein contamination: