Do you need objective odour assessment data?

    • SENSENET is in a unique position to provide independent results as a privately funded company with advanced accredited laboratories. We continue to push the boundaries of odour assessment and redefine what the field believes to be possible.
    • We have state-of-the-art Sensory Odour and Molecular Testing Laboratories in our facilities where our research teams use leading-edge technologies to provide our customers with the solutions they need.
  • SENSENET Laboratories produce the quantitative and qualitative data that are helpful to answer your odour related questions.

1 – Sampling

Sampling is carried out with a device called a LiGaVa, which allows any liquid to be vaporised in the gas phase. Time, volume stream, temperature and amount of liquid being known, the concentration of the compound in the gas phase is perfectly controlled: it is a highly standardised odour sampling system

2 – Olfactometric analyses

The analysis by dynamic olfactometry is based on the determination of the dilution factor required to achieve the detection of an odorous sample by a panel of human subjects.

For the determination of the odour threshold of a compound, the measurement is based on the direct comparison of individual threshold values (ITVs) of the primary reference odorant n-butanol with the ITVs of the odorant tested.

A dataset of 128 ITVs data pairs is collected using 16 selected panel members, each providing 8 values.

3 – Calculation and uncertainties

The OTV of the tested odorant is finally calculated from the proportion of the molar concentrations for n-butanol and the odorant tested at the detection threshold. Calculations and uncertainties associated with the value obtained are determined according to the new version of the EN13725 standard.

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