Response Surface Methodology for Optimization of Flash Extraction for Fenugreek(Trigonella foenum-graecum L.) Polysaccharides and Research of Its Humectant Properties
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TQ 464 R 284.2

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    Abstract:

    Single factor experiment was applied to invest the effects of ratio of raw materials, extraction time, temperature, motor voltage and times on extraction yield of fenugreek polysaccharides(FPS) by using the flash extract technology. Preliminary extraction conditions were obtained. Box-Behnken design and response surface methodology were used to optimize the ultimate extraction conditions. Cigarette physical and sensory humectant properties of FPS were tested. The results indicated that the optimum conditions were as follows: the ratio of liquid to raw materialswas 27:1(mL/g), the extraction time was 136 s, the extraction temperature was 58 ℃, and the motor voltage was 140 V. Yield of FPS was 21.23% under the optimal extraction conditions and the relative error was 2.61% compared with the theoretical value (21.80%), which showed that method for FPS was feasible. Cut tobacco moisture ability with FPS was stronger than with the samples of propylene glycol under the environment of low relative humidity. FPS had moisture-proof effect at a moderately high humidity. FPS could improve the quality of cigarette smoking, and adding 0.005%~0.1% of cut tobacco weight, FPS showed the most appropriate flavoring effect.

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History
  • Received:December 25,2015
  • Revised:February 18,2016
  • Adopted:February 25,2016
  • Online: May 06,2016
  • Published:
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