食品科学

• 工艺技术 • 上一篇    下一篇

超声波辅助提取人参淀粉工艺优化及其性质

刘婷婷,崔海月,樊红秀,张艳荣*   

  1. 吉林农业大学食品科学与工程学院,吉林 长春 130118
  • 出版日期:2014-05-25 发布日期:2014-05-29
  • 通讯作者: 张艳荣
  • 基金资助:

    “十二五”国家科技支撑计划项目(2012BAD34B07);长春市科技计划项目(长科技合2013183,13NK12)

Ultrasonic-Assisted Extraction and Characterization of Ginseng Starch

LIU Ting-ting, CUI Hai-yue, FAN Hong-xiu, ZHANG Yan-rong*   

  1. College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
  • Online:2014-05-25 Published:2014-05-29
  • Contact: ZHANG Yan-rong

摘要:

采用超声波辅助提取人参淀粉,通过单因素和正交试验研究超声波功率、超声波时间、料液比及原料粒度对人参淀粉提取率的影响,确定最佳提取工艺条件。采用扫描电子显微镜、偏光显微镜、红外光谱仪、布拉班德黏度仪、质构仪等对人参淀粉的颗粒性质及理化性质进行研究。结果表明:超声波辅助提取人参淀粉的最佳工艺条件为超声波功率600 W、超声波时间20 min、料液比1∶25(g/mL)、粒度80 目,此时淀粉的提取率高达70.51%,比常规法增加10.69%。在最佳工艺条件下,超声波辅助提取的人参淀粉直链淀粉含量增加,淀粉糊的溶解度、膨胀度及透明度提高,凝沉性减弱。超声波辅助提取的人参淀粉的糊化温度为70.5 ℃,峰值黏度为70.0 BU。

关键词: 人参淀粉, 超声波, 提取, 性质

Abstract:

The ultrasonic-assisted extraction of ginseng starch was optimized using single-factor and orthogonal array
designs. The extraction yield of ginseng starch was investigated with respect to ultrasonic power, ultrasonication time, ratio
of material to liquid and material particle size. The particle and physicochemical properties of ginseng starch were studied
by using scanning electron microscope, polarizing microscope, infrared spectrometer, Brabender viscograph and texture
analyzer. The results showed that the optimal conditions for ultrasonic-assisted extraction of ginseng starch were found to be
ultrasonic power 600 W, ultrasonic time 20 min, ratio of material to liquid 1:25 (g/mL) and material particle size 80 mesh.
The extraction yield of ginseng starch under the optimized conditions was up to 70.51%, which was 10.69% higher than that
obtained with the conventional method. Ginseng starch from the ultrasonic-assisted extraction exhibited increased levels of
amylose content, solubility, swelling power and transparency and reduced retrogradation property, and had a gelatinization
temperature of 70.5 ℃ and a peak viscosity of 70.0 BU.

Key words: ginseng starch, ultrasonic, extraction, properties

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