Biorefining fractionation of the Camellia oleifera Abel. hull into diverse bioproducts with a two-stage organosolv extraction

Sun, Fubao Fuelbiol, Tang, Song, Liu, Rukuan, Tang, Yanjun, Wang, Rui, Zhang, Zhanying, Gao, Zhongyuan, Li, Hui, Li, Changzhu, & Xiao, Zhihong (2016) Biorefining fractionation of the Camellia oleifera Abel. hull into diverse bioproducts with a two-stage organosolv extraction. Industrial Crops and Products, 94, pp. 790-799.

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Abstract

This study developed a two-stage organosolv extraction process for the production of diverse components from tea oil fruit hull (TOFH) – a common lignocellulosic byproduct of tea oil processing industry. Results showed that a mild aqueous ethanol organosolv (AEO) extraction isolated 83.8% of tea saponin and 81.5% of tannin from the TOFH. Further, a severe atmospheric glycerol organosolv (AGO) extraction recovered the residual tea saponin and tannin. Meantime, the AGO process removed 40% of the hemicellulose and 35% of the lignin. The solid residual after the two-stage AEO-AGO extraction had a high cellulose hydrolyzability (>95%), much higher than that (only 40%) of one-step AEO extracted solid residual. Structural features of these undissolved solids were characterized by SEM, AFM and FT-IR. The two-stage organosolv extraction showed good potential in biorefining of the agroforestry biomass into value added bioproducts.

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ID Code: 99964
Item Type: Journal Article
Refereed: Yes
DOI: 10.1016/j.indcrop.2016.09.062
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Research Centres > Centre for Tropical Crops and Biocommodities
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: 2016 Elsevier
Deposited On: 13 Oct 2016 23:27
Last Modified: 16 Oct 2016 22:34

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