Assertion: melanin | /r/HasProperty | proposed for l-dopa preparation
Facets:
value: in appropriate conditions
type: LOCATION
value: from l-tyrosine
type: LOCATION
Source sentences:
text: Finally, a few tyrosinases show a high affinity for L-tyrosine and low affinity for L-dopa, so that, in appropriate conditions to block melanin formation, they have been proposed for L-dopa preparation from L-tyrosine .