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生物催化剂脱除食品中SO2的初探
发表时间：2009-08-31 浏览量：1913 下载量：632
| 全部作者： | 王向丽，黄国平，温其标 |
| 作者单位： | 华南理工大学轻工与食品学院；广东食品药品职业学院食品科学系 |
| 摘 要： | 主要研究从菠菜中提取叶绿体，并将其用于亚硫酸盐的脱除实验。实验中采用两步差速离心方法提取叶绿体，获得的叶绿体提取率、得率分别为19.4%和 5.7%. 利用所提叶绿体催化氧化NaHSO3溶液，经单因素实验分析，叶绿体使用液用量为0.1 g/L，pH8.0，反应2 h，最终NaHSO3中SO2的清除率达到了95.1%；光照和均匀振荡均能促进NaHSO3中SO2-3的氧化。 |
| 关 键 词： | 食品生物化学；生物催化剂；叶绿体；亚硫酸盐；脱除 |
| Title： | Primary study of sulfur dioxide residue elimination from food by a biocatalyst |
| Author： | WANG Xiangli, HUANG Guoping, WEN Qibiao |
| Organization： | College of Light Industry and Food Sciences, South China University of Technology；Food Science Department, Guangdong Food and Drug Vocational College |
| Abstract： | Chloroplast separated from spinach in this study was applied to remove sulfite from sodium bisulfate. Two-step centrifugation method for extracting chloroplast from spinach was used. The extraction rate and yield reached 19.4% and 5.7% respectively. The extracted chloroplast was then applied in the oxidation of NaHSO3 solution. A sufficiently high rate (95.1%) of sulfite elimination was observed with 0.1 g/L chloroplast, at pH8.0, within 2 hours. An oxidation prompting role of sun light irradiation and consistant agitation during the reaction was also observed. |
| Key words： | food biochemistry; biocatalyst; chloroplast; sulfites; removal |
| 发表期数： | 2009年8月第16期 |
| 引用格式： | 王向丽，黄国平，温其标. 生物催化剂脱除食品中SO2的初探[J]. 中国科技论文在线精品论文，2009，2（16）：1743-1747. |
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