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Folate concentration (A) and pH value (B) in reconstituted skim milk after 48 h of fermentation by 3 lactic acid bacteria isolates without supplementation (white bars) and after the addition of p-aminobenzoic acid (PABA; hatched bars) or glutamate (dotted bars). The different letters (a-g) above the bars show the significant differences between the means (P<0.05).
