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Biochemical characterization of zinc tolerant bacteria.
| Strain name | Starch hydrolysis | Citrate utilization | Nitrate reduction | Gelatin liquefaction | Catalase activity | Oxidase |
|---|---|---|---|---|---|---|
| ZTB 15 | − | + | − | + | + | − |
| ZTB 24 | + | + | + | − | + | − |
| ZTB 28 | + | + | − | − | + | + |
| ZTB 29 | + | + | − | − | + | − |
+, Positive; −, negative.
