Method for investigating the shelf life of food in packaging

A method for investigating the shelf life of food stuffs (50.4) in packagings (50),

• wherein the following steps are performed:
• a) creating at least one reference measurement comprising:
• a1) a direct and indirect sample measurement RMd,i at the time Tx,
• a2) repetition of the direct and indirect sample measurement RMd,i at predefined time intervals Δt,
• a3) storage of the reference measurement results RMd,i of the sample measurements,
• b) creating a comparison measurement comprising:
• b1) at least one indirect sample measurement Mi at the time Tx,
• b2) comparison of the indirect measurement result Mi with the corresponding reference measurement result RMi from the comparison time Tx,
• b3) performance of at least one direct sample measurement Md at the time Tx, if a deviation of the comparison result from step b2) is exceeded,
• b4) repetition of the indirect sample measurement at predefined time intervals Δt,
• b5) storage of the measurement results Md,i of the sample measurements.