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For the bioaccumulation of L-threonine mother liquor no experimental studies were available.

L-Threonine mother liquor is a complex mixture containing organic and inorganic components (UVCB-substance). L-Threonine is the main component of L-threonine mother liquor. Therefore the bioconcentration factor of L-threonine was calculated via EPIWIN v4.0, BCFBAF v3.00. The calculation yielded a BCF=3.162 L/kg ww.