Fig. 3From: Proliferation of Bifidobacterium L80 under different proportions of milk protein hydrolysateHPLC analysis of organic acid. A HPLC analysis of organic acid standard samples. Peaks: (1) formic acid; (2) oxalic acid; (3) malic acid; (4) acetic acid; (5) tartaric acid; (6) lactic acid; (7) citric acid. B HPLC analysis of organic acid produced by Bifidobacterium L80 during 72Â h in different medium. B: blank group; S: sample group; C:control groupBack to article page