| Clue | Source | Date |
|---|---|---|
| Common food preservative, for short | The Chronicle of Higher Education | 10 Apr 2015 |
| Common food preservative, for short | ||
| Food preservative | ||
| Food preservative, briefly | ||
| Food preservative: Abbr. | ||
| Preservative | ||
| Food antioxidant, briefly | ||
| Food antioxidant init. |