Research Article

Phenolic Biotransformations during Conversion of Ferulic Acid to Vanillin by Lactic Acid Bacteria

Figure 3

Detection of phenolic derivatives by HPLC-UV analysis.
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(a) Metabolites obtained after 0 h
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(b) Metabolites obtained after 8 h
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(c) Metabolites obtained after 16 h
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(d) Metabolites obtained after 24 h