Each value in the table is the mean ± standard deviation (n = 3). Means with different lowercase superscript letters in the same column for a
particular acid and carbon source are significantly different (P < 0.05). Means with different uppercase superscript letters in the same row are
significantly different (P < 0.05). LAB, lactic acid bacteria; ND, not detected; SBOs, soybean oligosaccharides