Table II. Se speciation in Opuntia tissue by bulk XANES spectroscopy.
Frozen Ground Opuntia Tissue | SeO42− | Trimethylselenonium | SeMet | Fit Errors (×10−2) |
Cladode tips | 42 (1) | ND | 58 (1) | 0.11 |
Pulp | ND | ND | 100 (1) | 0.02 |
Juice | 2 (1) | ND | 98 (1) | 0.03 |
Seed | ND | 7 (1) | 93 (1) | 0.02 |