Research Article
Grape Preservation Using Chitosan Combined with β-Cyclodextrin
Table 1
Adding reagents for SOD activity assay.
| Reagent (mL) | Tube no. | 1 | 2 | 3 | 4 |
| 50 mmol/L phosphoric acid solution | 1.5 | 1.5 | 1.5 | 1.5 | 130 mmol/L methionine | 0.4 | 0.4 | 0.4 | 0.4 | 750 μmol/L NBT solution | 0.4 | 0.4 | 0.4 | 0.4 | 100 μmol/L EDTA-Na2 solution | 0.4 | 0.4 | 0.4 | 0.4 | 200 μmol/L lactoflavin | 0.4 | 0.4 | 0.4 | 0.4 | Crude enzyme extracting | 0.1 | 0.1 | 0 | 0 | Distilled water | 0.5 | 0.5 | 0.6 | 0.6 |
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