Work out allergen cross contact dilution instantly with clear inputs, formula shown and shareable results.
Carry-over residue diluted into the following batch gives a concentration in milligrams per kilogram, which is parts per million. Comparing that against a reference action level derived from a quantitative risk assessment determines whether cleaning was adequate or a precautionary declaration is required.
Cross-contact dilution
Concentration (ppm) = residue (mg) / batch size (kg)
Minimum batch
Minimum batch for compliance = residue / action level
Allergen cross-contact is a serious food safety hazard that can cause fatal anaphylaxis. Controls must be validated by swab and analytical testing under a documented allergen management plan.
From quantitative risk assessment relating protein dose to eliciting dose distributions in allergic populations, such as the VITAL reference doses. They are allergen specific and are not arbitrary.
No, not as a primary control. Cleaning validation, scheduling and segregation are the controls; dilution calculations are used to assess residual risk after those controls, not to replace them.