Study on the specific adsorption of catechin gallates by cedar lignocellulose
Lignocellulose was prepared from cedar sawdust and used to isolate caffeine and tea catechins from tea extract by static adsorption and gradient elution using water and 80% ethanol. The results showed that there were obvious different adsorption for tea caffeine and catechin gallates by the lignocel...
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| Format: | Article |
| Language: | English |
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Zhejiang University Press
2006-11-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
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| Online Access: | https://www.academax.com/doi/10.3785/1008-9209.2006.06.0665 |
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| author | LIANG Hui-ling LIANG Yue-rong LU Jian-liang YE Jian-hui TANG De-song |
| author_facet | LIANG Hui-ling LIANG Yue-rong LU Jian-liang YE Jian-hui TANG De-song |
| author_sort | LIANG Hui-ling |
| collection | DOAJ |
| description | Lignocellulose was prepared from cedar sawdust and used to isolate caffeine and tea catechins from tea extract by static adsorption and gradient elution using water and 80% ethanol. The results showed that there were obvious different adsorption for tea caffeine and catechin gallates by the lignocellulose. The lignocellulose had stronger adsorption to catechin gallates than to caffeine. The lignocellulose column adsorbed tea extracts was washed by gradient elution using water and 80% ethanol, the ratios of caffeine and catechin gallates to total catechins were 0.08 and 0.36 in the water eluate, respectively, while the ratios were 0.02 and 1 in the eluate of 80% ethanol. This suggested that decaffeinated catechin gallates could be obtained by gradient washing the cedar lignocelulose which adsorbed tea extracts using water and 80% ethanol. |
| format | Article |
| id | doaj-art-b468d33ab8c14cfbbb4dc85e7aab620d |
| institution | DOAJ |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2006-11-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-b468d33ab8c14cfbbb4dc85e7aab620d2025-08-20T03:15:38ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552006-11-013266567010.3785/1008-9209.2006.06.066510089209Study on the specific adsorption of catechin gallates by cedar lignocelluloseLIANG Hui-lingLIANG Yue-rongLU Jian-liangYE Jian-huiTANG De-songLignocellulose was prepared from cedar sawdust and used to isolate caffeine and tea catechins from tea extract by static adsorption and gradient elution using water and 80% ethanol. The results showed that there were obvious different adsorption for tea caffeine and catechin gallates by the lignocellulose. The lignocellulose had stronger adsorption to catechin gallates than to caffeine. The lignocellulose column adsorbed tea extracts was washed by gradient elution using water and 80% ethanol, the ratios of caffeine and catechin gallates to total catechins were 0.08 and 0.36 in the water eluate, respectively, while the ratios were 0.02 and 1 in the eluate of 80% ethanol. This suggested that decaffeinated catechin gallates could be obtained by gradient washing the cedar lignocelulose which adsorbed tea extracts using water and 80% ethanol.https://www.academax.com/doi/10.3785/1008-9209.2006.06.0665lignocellulosecatechin gallatesdecaffeinationisolationpurification |
| spellingShingle | LIANG Hui-ling LIANG Yue-rong LU Jian-liang YE Jian-hui TANG De-song Study on the specific adsorption of catechin gallates by cedar lignocellulose 浙江大学学报. 农业与生命科学版 lignocellulose catechin gallates decaffeination isolation purification |
| title | Study on the specific adsorption of catechin gallates by cedar lignocellulose |
| title_full | Study on the specific adsorption of catechin gallates by cedar lignocellulose |
| title_fullStr | Study on the specific adsorption of catechin gallates by cedar lignocellulose |
| title_full_unstemmed | Study on the specific adsorption of catechin gallates by cedar lignocellulose |
| title_short | Study on the specific adsorption of catechin gallates by cedar lignocellulose |
| title_sort | study on the specific adsorption of catechin gallates by cedar lignocellulose |
| topic | lignocellulose catechin gallates decaffeination isolation purification |
| url | https://www.academax.com/doi/10.3785/1008-9209.2006.06.0665 |
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