Skip to main content

Table 1 Extraction conditions and outcomes for the supercritical fluid pre-treatment of corn stover

From: High pressure systems as sustainable extraction and pre-treatment technologies for a holistic corn stover biorefinery

Types of biomass Extraction condition Outcomes of extracted corn stover Year Refs
Stigmata of corn flower 50.88 °C, 41.8 MPa, 2 h, flow rate 20 L/h, 20% aq. ethanol as co-solvent, 2.488 mL/g Flavonoids 2011 [53]
Corn 55 °C, 45 MPa, 2 h, flow rate 8000 mL/min β-sitosterol, stigmasterol, and campesterol 2015 [39]
Corn stover 65 °C, 400 bars, 4 h, flow rate 300 g/min, 3 fractionations, 150 bar/50 °C, 85 bar/35 °C, and ATM/50 °C Hydrocarbons, sat. fatty acids, unsat. fatty acids, fatty alcohols, sterols, and steroid ketones 2015 [42]
Purple corn cob 45 °C, 420 bar, flow rate 1.65 g/min
Ethanol as co-solvent, flow rate 0.395 g/min, 50 °C, 400 bar, flow rate 1.65 g/min (for Anthocyanins)
Water as co-solvent, flow rate 0.5 mL/min 65 °C, 450 bar, flow rate 1.65 g/min (for Flavonoids)
Water as co-solvent, flow rate 0.5 mL/min (for phenolics)
Anthocyanins, flavonoids and phenolics 2016 [54]
Sweet corn cob 60 °C, 350 bar, 1 h, flow rate 15 g/min, 15% aq. ethanol as co-solvent Lutein, zeaxanthin, and β-carotene 2019 [55]