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Chin. J. Process Eng. ›› 2016, Vol. 16 ›› Issue (1): 144-150.DOI: 10.12034/j.issn.1009-606X.215331

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Digestion Conditions of Lessonia trabeculata

ZHANG Yan WANG Zhi-hui WANG Qian WANG Jian-ming WANG Bin HUI Feng-ji CONG Wei   

  1. Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology National Key Lab.Eng.Institute of Process Engineering, Chinese Academy of Sciences State Key Lab. Biochem. Eng., Institute of Process Engineering, Chinese Academy of Science College of Food Engineering and Biotechnology, Tianjin University of Science and Technology Shandong Jiejing Group Corporation Shandong Jiejing Group Corporation State Key Lab. Biochem. Eng., Inst. Process Eng., CAS
  • Received:2015-09-18 Revised:2015-11-24 Online:2016-02-20 Published:2016-12-22
  • Contact: ZHANG Yan

雷松藻消化的工艺条件

张燕1 王智慧 王倩 汪建明 王斌1 惠锋基 丛威   

  1. 天津科技大学食品工程与生物技术学院食品营养与安全教育部重点实验室 中国科学院过程工程研究所生化工程国家重点实验室 中国科学院过程工程研究所生化工程国家重点实验室 天津科技大学食品工程与生物技术学院 山东日照洁晶集团股份有限公司 山东日照洁晶集团股份有限公司 中国科学院过程工程研究所生化工程国家重点实验室
  • 通讯作者: 张燕1

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Abstract: The technological parameters for digestion process of L. trabeculata were studied with stem of wet L. trabeculata in the particle size range of 1~3 mm. The effects of Na2CO3 concentration, rotational speed, mass ratio of solid to liquid, digestion temperature and digestion time on the digestion yield and viscosity of alginate solution were examined. Based on the results of single factor experiments, the orthogonal experiments were carried out to optimize the technological parameters. The t=results showed that the optimum conditions were Na2CO3 concentration 1.67%, rotational speed 400 r/min, mass ratio of solid to liquid 1:15, digestion temperature 70℃ and digestion time 8 h. Under these conditions, the product yield of sodium alginate from L. trabeculata reached 34.80% and its viscosity was 2261.67 mPa×s, which was higher than that of commercial product (173.30 mPa×s). The relative molecular weight of prepared sodium alginate reached 11.85 kDa, and its physicochemical properties met national standard.

Key words: Lessonia trabeculata, sodium alginate, digestion, process optimization

摘要： 将F藻(Lessonia trabeculata)的茎部浸泡后粉碎至1~3 mm进行消化反应，考察了Na2CO3浓度、料液质量比、搅拌转速、消化温度和消化时间对褐藻胶消化得率和褐藻胶溶液粘度的影响，通过正交实验对消化工艺条件进行优化，并对褐藻胶进行红外光谱定性分析. 结果表明，最佳消化条件为：温度70℃, Na2CO3浓度1.67%，搅拌转速400 r/min，料液质量比1:15，时间8 h. 该条件下褐藻酸钠产品得率为34.80%，粘度为2261.67 mPa×s，远高于市售产品的173.30 mPa×s. 褐藻酸钠基本理化指标均符合国家标准、粘均分子量为11.85 kDa.

关键词: F藻, 褐藻酸钠, 消化, 过程优化

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