International Journal of Polymer Science / 2014 / Article / Tab 3

Research Article

Fibrous Agricultural Biomass as a Potential Source for Bioconversion to Vanillic Acid

Table 3

Ferulic acid content in lignin-free liquor produced from six different biomasses through alkaline and organosolv treatment at 120°C for an hour (; ).

BiomassConcentration (mg L−1)Yield (mg g−1 biomass; d.b.)
Organosolv treatmentAlkaline treatmentOrganosolv treatmentAlkaline treatment

EFB12.93 ± 2.72aB11.53 ± 1.88aB0.65 ± 0.14aB0.58 ± 0.09aB
CCF3.49 ± 0.64aA3.29 ± 0.35aA0.17 ± 0.03aA0.16 ± 0.02aA
PP228.83 ± 8.96aE201.89 ± 18.38aE5.72 ± 0.22aD5.05 ± 0.46aD
PCL123.94 ± 16.59aD119.99 ± 11.32aD3.10 ± 0.42aC3.00 ± 0.28aC
KBF2.80 ± 0.93aA2.92 ± 0.39aA0.14 ± 0.05aA0.15 ± 0.02aA
KCF30.98 ± 1.81aC30.18 ± 1.99aC0.78 ± 0.05aB0.76 ± 0.05aB

(a) EFBF: palm oil empty fruit bunch fiber; CCF: coconut coir fiber; PP: pineapple peel; PCL: pineapple crown leaves; KBF: kenaf bast fiber; KCF: kenaf core fiber.
(b) a: the same alphabets in the same row represent that there are no significant differences between the mean values of the different treatments ().
(c) A–E: different alphabets in the same column represent that there are significant differences between the mean values of the different biomasses ().

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