Saccharomyces cerevisiae (baker's / brewer's yeast)
Sommer et al. 1996 · 254 nm
Test conditions & context
Type Yeast
Medium Water
Test wavelength 254 nm
Particle size 6000 nm
Author Sommer et al.
Year 1996
Wildtyp diploid, Flüssigkultur, Niederdruck-Hg 254 nm — Verderbnishefe in Getränken, Bier, Backwaren. UV-empfindlich (kein schützendes Pigment).
UV-C dose–response (D-values)
A D-value is the UV-C dose (in mJ/cm²) needed for a given log-reduction. D90 = 90 % inactivation = 1-log; D99 = 99 % = 2-log; D99.9 = 99.9 % = 3-log, and so on. Values come from the cited study under its specific test conditions.
Reduction log Dose (mJ/cm²)
D90 90 % 1-log 5.2 mJ/cm²
Primary source
Sommer et al. (1996). doi.org/10.1128/aem.62.6.1977-1983.1996