Optimization and scale-up of a new photobleaching agar extraction process from Gracilaria lemaneiformis
文献类型：期刊论文
| 作者 | Li, Haiyan1,2; Huang, Jianyu1; Xin, Yanjuan1; Zhang, Biaoming1; Jin, Yan1; Zhang, Wei1,3 |
| 刊名 | journal of applied phycology
 |
| 出版日期 | 2009-04-01 |
| 卷号 | 21期号:2页码:247-254 |
| 关键词 | Agar Eco-friendly process Optimization Scale-up Gracilaria lemaneiformis |
| 英文摘要 | an eco-friendly photobleaching extraction process for agar extraction from the red alga gracilaria lemaneiformis was developed for the benefit of workers' health and environmental safety. here we report the optimization of key process parameters (alkali modification concentration, photobleaching duration, algal length and screen filter opening size) in order to scale up this new technique. the optimal conditions were found to be modification by 3-5% naoh, photobleaching for 5 h, using algal fragments 2 -4 cm in length, and a filter screen with a 6 mu m opening. a 20-l agar extraction reactor was thus constructed, and the scale-up of the agar extraction process was tested in six batch experiments. the resulting agar quality was similar to that of the laboratory-scale extraction. in addition, batch-to-batch reproducibility was excellent. the results demonstrate the excellent scale-up ability and potential application of this new photobleaching agar extraction process on a commercial scale. the agar yield and gel strength for 5% naoh modified agar were 26.8% and 1,897 g cm(-2), while those for 3% naoh modified agar were 28.2% and 1,287 g cm(-2), respectively. it is clear that the agar yield and quality can be manipulated via alkali modification in this new eco-friendly extraction to meet market demands. |
| WOS标题词 | science & technology ; life sciences & biomedicine |
| 类目[WOS] | biotechnology & applied microbiology ; marine & freshwater biology |
| 研究领域[WOS] | biotechnology & applied microbiology ; marine & freshwater biology |
| 关键词[WOS] | rhodophyta ; quality |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000264483600011 |
| 公开日期 | 2015-11-17 |
| 源URL | [http://159.226.238.44/handle/321008/141511]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian 116023, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, Adelaide, SA 5042, Australia |
| 推荐引用方式 GB/T 7714 | Li, Haiyan,Huang, Jianyu,Xin, Yanjuan,et al. Optimization and scale-up of a new photobleaching agar extraction process from Gracilaria lemaneiformis[J]. journal of applied phycology,2009,21(2):247-254. |
| APA | Li, Haiyan,Huang, Jianyu,Xin, Yanjuan,Zhang, Biaoming,Jin, Yan,&Zhang, Wei.(2009).Optimization and scale-up of a new photobleaching agar extraction process from Gracilaria lemaneiformis.journal of applied phycology,21(2),247-254. |
| MLA | Li, Haiyan,et al."Optimization and scale-up of a new photobleaching agar extraction process from Gracilaria lemaneiformis".journal of applied phycology 21.2(2009):247-254. |
入库方式： OAI收割
来源：大连化学物理研究所
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