酶解水提法从胡萝卜中提取水溶性β-胡萝卜素
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北京市科委科技创新基地培育与发展工程项目(Z121106002812037);第44批留学回国人员科研启动基金项目


Extraction of Water-Soluble β-carotene from Carrots by Enzymatic Hydrolysis
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    摘要:

    研究了酶法水解从胡萝卜中提取水溶性β-胡萝卜素的关键工艺参数。单因素实验结果表明,较优提取工艺条件为:取鲜胡萝卜50g,直接打浆后加入100mL 0.2g/100mL的吐温-80溶液,再加入1.5g纤维素酶和0.4g果胶酶,经超声波破碎40min后,调pH6.0,于40℃搅拌2h后加入2g硅藻土抽滤。响应面分析优化得到的较优提取条件为:果胶酶0.49g,酶解pH 6.08,超声波时间41.58min,优化后水溶性β-胡萝卜素提取率为12.23μg/g。

    Abstract:

    The key technical parameters by enzymatic hydrolysis to extract water-soluble β-carotene from carrots were investigated.The optimal technological process determined by single factor experiment was as follow:50 g fresh carrot was homogenated,and then 100 mL 0.2 g/dL Tween-80,1.5 g cellulase and 0.4 g pectinase were added;the carrot pulp was smashed for 40 min by ultrasonic wave,then pH was adjusted to 6.0;after stirring for 2 h at 40 ℃,2 g diatomite was added and finally filtrated.The optimal factors obtained from response surface analysis were 0.49 g pectinase,enzymatic hydrolysis pH was 6.08 and ultrasonic time was 41.58 min.Under above conditions,the extraction yield for water soluble β-carotene reached 12.23 μg/g.

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张玮玮,武彦文,欧阳杰.酶解水提法从胡萝卜中提取水溶性β-胡萝卜素[J].食品与生物技术学报,2013,32(8):854-860.

ZHANG Wei-wei, WU Yan-wen, OUYANG Jie. Extraction of Water-Soluble β-carotene from Carrots by Enzymatic Hydrolysis[J]. Journal of Food Science and Biotechnology,2013,32(8):854-860.

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  • 收稿日期:2012-12-03
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  • 在线发布日期: 2013-10-28
  • 出版日期: 2013-08-25

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