Effects of different technologies on enzyme deactivation and storage stability of wheat germs
CSTR:
Author:
Affiliation:

(College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China)

Clc Number:

Fund Project:

  • Article
  • |
  • Figures
  • |
  • Metrics
  • |
  • Reference
  • |
  • Related
  • |
  • Cited by
  • |
  • Materials
  • |
  • Comments
    Abstract:

    Objective: To obtain the best technology and treatment conditions of wheat germs stablizaiton, three different technologies were used to treat wheat germs. Methods: Microwave, superheated steam and hot air drying were used to treat wheat germs with enzyme deactivation, and their deactivation effects on lipase and lipoxygenase in wheat germs were compared. Then, the optimal treatment conditions of each technology were selected for the determination of total number of colonies and accelerated storage test. Results: Under the optimal treatment conditions, the lipase and lipoxygenase in wheat germs could be effectively deactivated by the three treatments. The superheated steam treatment had the best effect of deactivating lipase, and the deactivation rate reached 82.79%. The deactivation rate of lipoxygenase was 94.81% when the wheat germs were treated with microwave. Superheated steam treatment had the best sterilization effect, and the total number of colonies decreased to 2.20 lg (CFU/g). In terms of storage stability, microwave and superheated steam treatment had similar effects, while hot-air drying treatment had poor effect. Conclusion: Superheated steam treatment could be the best methods for wheat germs deactivation.

    Reference
    Related
    Cited by
Get Citation

张楠,石琳,孟继坤,等.不同处理技术对小麦胚芽钝酶效果及贮藏稳定性的影响[J].食品与机械英文版,2021,37(8):140-145.

Copy
Related Videos

Share
Article Metrics
  • Abstract:
  • PDF:
  • HTML:
  • Cited by:
History
  • Received:June 04,2021
  • Revised:
  • Adopted:
  • Online: February 15,2023
  • Published:
Article QR Code