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Curcuminoid contents in the methanol extracts
| Contents (% in the methanol extract) | |||
|---|---|---|---|
| Curcumin | Bisdemethoxy-curcumin | Demethoxy-curcumin | |
| C. longa | 12.30 | 4.86 | 3.62 |
| C. wenyujin | ND | ND | ND |
| C. phaeocaulis | 0.89 | ND | t |
| C. kwangsiensis | ND | ND | ND |
| C. zedoaria | ND | ND | ND |
| C. aromatica | 0.11 | ND | ND |
ND, Not detected; t, trace.
