Fig. 9From: Purification, identification and characterization of Nag2 N-acetylglucosaminidase from Trichoderma virens strain mangoThe effect of glycerol on TvmNAG2 during the storage at − 20 °C. TvmNAG2 containing 0–50% glycerol was stored at − 20 °C for 1–4 months, followed by activity assayBack to article page