| used in many food and b… | 0.52 |
| occur in many plants | 0.46 |
| react with ascorbic acid | 0.16 |
| used as a food preserva… | 0.68 |
| approved by internation… | 0.57 |
| used as medicine | 0.42 |
| produced | 0.32 |
| converted to ester | 0.25 |
| combined with sodium hy… | 0.25 |
| purified by recrystalli… | 0.25 |