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Saturation index

nutritional

Abbreviations

  • SI
  • IS

Synonyms

  • Index of saturation

Description

Represents the saturation index, which evaluates the relationship between specific saturated fatty acids (myristic , palmitic , and stearic ) and the sum of unsaturated fatty acids.

From a nutritional point of view, the SI value should be as low as possible. This index serves as a straightforward indicator of the overall saturation level of the lipids in a food product. A lower SI value suggests better nutritional properties and higher lipid quality, as it reflects a higher proportion of beneficial unsaturated fatty acids relative to saturated ones. Diets with a lower saturation index are generally recommended to maintain cardiovascular health and reduce the risk of related diseases.

References

  1. Ulbricht et al., 1991
  2. Kralik et al., 2025