Using tea stalk lignocellulose as an adsorbent for separating decaffeinated tea catechins

Bioresource Technology
J H YeY R Liang

Abstract

Lignocelluloses prepared from woody tea stalk, pine sawdust and sugarcane bagasse were used as adsorbents to isolate decaffeinated catechins from tea extracts and compared with synthetic macroporous resin HPD 600. HPD 600 had the highest adsorption capacity to catechins, followed by tea stalk lignocellulose while lignocelluloses of pine sawdust and bagasse the least. Tea stalk lignocellulose absorbed preferentially tea catechins and showed a good selectivity. HPD 600 absorbed caffeine and tea catechins simultaneously. The kinetics data of tea stalk lignocellulose showed a good fit with the Langmuir isotherm model. It is considered that tea stalk lignocellulose is an alternative low-cost adsorbent for preparing decaffeinated tea catechins.

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Citations

Jun 5, 2012·Journal of Agricultural and Food Chemistry·Song Lou, Duolong Di
May 7, 2014·Food Chemistry·Liangyu WuMary Ann Augustin
Jun 2, 2015·Journal of Food Science and Technology·Satarupa Banerjee, Jyotirmoy Chatterjee
Nov 12, 2010·Journal of Bioscience and Bioengineering·Jian-Hui YeYue-Rong Liang
Feb 3, 2018·Journal of the Science of Food and Agriculture·Guoying ZhangJinke Lin
Sep 20, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Liangyu WuJinke Lin
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Xuwei LiuCatherine M G C Renard
Dec 7, 2018·Food Chemistry·Qing-Qing CaoYong-Quan Xu
Feb 23, 2018·Journal of Agricultural and Food Chemistry·Ivo SafarikKristyna Pospiskova
Nov 12, 2021·Journal of Agricultural and Food Chemistry·Yuridia Martínez-MezaRosalía Reynoso-Camacho

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