Table 3 Oxalate content (mg/100 g) in some common foods [3]
| Food | mg/100 g |
|---|---|
| Tea | 1150 |
| Spinach | 970 |
| Rhubarb (raw) | 805 |
| Cocoa | 700 |
| Beet leaves | 610 |
| Rhubarb (stewed) | 460 |
| Red beetroot | 275 |
| Parsley | 170 |
| Coffee | 100 |
| Potato | 80 |
| Cabbage | 60 |
| Blackcurrant | 50 |
| Tomato | 20 |
| Apple | 15 |
| Lettuce | 12 |