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Chinese Agricultural Science Bulletin ›› 2013, Vol. 29 ›› Issue (6): 217-220.doi: 10.11924/j.issn.1000-6850.2012-2744

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Effect of Different Processing on the Characteristics of Lotus-seed Starch Paste

  

  • Received:2012-08-11 Revised:2012-10-10 Online:2013-02-25 Published:2013-02-25

Abstract: In this paper, the effect of different processing (high-pressure homogenization, ultrasonic, and microwave) on the characteristics of Lotus-seed starch paste were studied for inhibiting starch retrogradation of Lotus-seed juice. The results showed that, the retrograde deposition (RD) of Lotus-seed starch paste was proportional to the intrinsic viscosity (Ⅳ). The high-pressure homogenization and ultrasonic treatment could decrease significantly theⅣand RD of Lotus-seed starch paste. Under the conditions of the test, high-pressure homogenization could decrease the RD from 78.0% to 32.7%, and ultrasonic treatment would do it from 77.8% to 41.4%. But, microwave treatment had few affect on starch paste. The results suggested that high-pressure homogenization and ultrasonic treatment had a certain application value for manufacturing lotus-seed liquid products such as lotus-seed juice.