Figure 2.
Induction of viable but nonculturable cells (VBNC) of Lacticaseibacillus paracasei Zhang (L. paracasei Zhang) under different growth conditions. (A) MRS broth, 4 °C. (B) Luria–Bertani broth, 4 °C, pH 2.0–3.0. (C) Sterilized distilled water, room temperature. (D) Sterilized distilled water, 4 °C. (E) 0.85% NaCl solution, 4 °C. (F) 0.85% NaCl solution, −20 °C.