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Lactucin and lactucopicrin contents of seed extract from different types of lettuces
| Sesquiterpene lactones | Lettuce (µg/g of extract) | Romaine (µg/g of extract) | ||
|---|---|---|---|---|
| Red | Green | Red | Green | |
| Lactucin | 226.20 ± 32.63 | 446.42 ± 15.81 | 361.50 ± 27.63 | 1071.67 ± 199.24 |
| Lactucopicrin | 1321.18 ± 180.93 | 1448.08 ± 1.48 | 226.20 ± 32.65 | 150.22 ± 1.79 |
