International Journal of Polymer Science / 2014 / Article / Tab 2

Research Article

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

Table 2

Total soluble lignin in black liquor produced from six different biomasses through alkaline and organosolv treatment at 120°C for an hour (; ).

BiomassOrganosolv treatmentAlkaline treatment
Soluble lignin
(mg g−1 biomass; d.b.)
Soluble lignin
(mg g−1 biomass; d.b.)

EFBF255.15 ± 28.19aD418.18 ± 12.73bC
CCF373.94 ± 29.56aE510.30 ± 38.88bD
PP160.91 ± 8.67aA221.82 ± 29.97bA
PCL180.61 ± 6.19aB265.76 ± 15.89bB
KBF210.00 ± 18.79aC393.64 ± 49.17bC
KCF147.58 ± 12.47aA250.00 ± 4.04bAB

(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-b: different alphabets in the same row represent that there are 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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