Target molecule 1,3-propanediol2 3-hydroxy propionic acid1 aspartic acid1 fumaric acid1 glucaric acid1 itaconic acid1 lactic acid2 succinic acid2 polyhydroxyalkanoates (PHA)2 ethanol butanol sorbitol1 xylitol

1US DoE’s list of the top value-added chemicals that can be derived from the carbohydrate fraction of biomass [1]. 2Building block for bioplastics

Table 1: Promising target products for the bioprocessing of spent pulping liquors [1].