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. 2006 Sep 15;5(10):1770–1779. doi: 10.1128/EC.00219-06

FIG. 1.

FIG. 1.

Typical HPLC chromatograms for the determination of tyrosol. (A) A supernatant extract containing 7 μM tyrosol. (B) Uninoculated, extracted growth medium showing no interfering peaks at or around the tyrosol retention time (7.7 min).