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. 2021 Feb 5;203(5):1995–2006. doi: 10.1007/s00203-020-02173-7

Table 2.

Physical Characterization

pH range ZOI (mm) Relative % Heat effect (°C) ZOI (mm) Relative % UV effect (hours) ZOI (mm) Relative % Enzyme effect ZOI (mm) Relative (%)
Blank 0 0 Blank 0 0 Blank 0 0 Blank 0 0
Control 28.1 ± 0.2 100 Control 28.1 ± 0.2 100 Control 27.3 ± 0.7 100 Control 28.4 ± 0.8 100
3.0 26.6 ± 0.94 94.30 RT 28 ± 0.08 99.7 1 27.3 ± 0.5 96 Trypsin 0 0
4.0 27.5 ± 0.4 97.80 40 27.9 ± 0.09 99.25 2 27 ± 1 96 Chymotrypsin 0 0
5.0 27.9 ± 0.11 99.20 50 27.8 ± 0.1 98.9 3 20.6 ± 1.1 95 Proteinase K 0 0
6.0 28 ± 0.4 99.60 60 27.6 ± 0.2 98.2 4 17.6 ± 0.5 72.5 Papain 12.8 ± 0.2 45
7.0 28.6 ± 0.18 102 70 27.6 ± 0.2 98.2 5 16 ± 1 62 Amylase 28 ± 0.08 98.5
8.0 27 ± 0.11 96.00 80 27.2 ± 0.2 96.9 6 28.4 ± 0.2 56.3
9.0 22.6 ± 0.47 80.40 90 25 ± 0.8 88.9
10.0 14 ± 1.4 49.80 100 18.5 ± 0.4 65.8

Values are expressed as mean ± SEM (n = 3)

ZOI zone of inhibition; Untreated samples are taken as a positive control–control and LB broth was taken as negative control -Blank; IMO M. smegmatis