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(a) Flow cytometry of Caco-2 cell line incubated with fraction 4 of L. hilgardi strain AG12a for 24 h stained with 10 μL Annexin V and 10 μL propidium iodine that shows 17.30% apoptosis and 14.05% necrosis in the “FL3 –”graph. (b) Effect of Lactobacillus hilgardii strain AG12a extracellular extracts on Caco-2 cell lines. Results are expressed as mean ± SD, P = 0.05
