Assertion: racemic lactic acid | /r/CreatedBy | chemical synthesis
Facets:
value: always
type: TEMPORAL
value: from petrochemical resources
type: OTHER
Source sentences:
text: Although racemic lactic acid is always produced by chemical synthesis from petrochemical resources, an optically pure L(+)- or D(-)-lactic acid can be obtained by microbial fermentation of renewable resources when the appropriate microorganism is selected (Wee et al. 2006).