| prov:value
| - ing solvent, such as ethanol and/or at least one lipase; (iii) removing metal ions from the biological material, in particular, transition metals, employing one or more chelating agents such as aminopolycarboxylic acids, aminopolycarboxylic salts, diethylenetriaminepentaacetic acid (DTPA), nitrilotriacetate (NTA), diethylenetriaminepentaacetic acid (DTPMPA), ethylenediamine, N,N-bis(carboxymethyl)
|