Post-thawed cell on morphology cultured in basal media (DMEM) (A), DMFA + 0 µg/mL LAA2P (B), DMFA + 50 µg/mL LAA2P (C), and DMFA + 100 µg/mL LAA2P (D), objective 10×, black bar =100 µm. DMEM, Dulbecco’s modified Eagle’s medium; LAA2P, L-ascorbic acid-2-phosphate.