吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊2): 349-353.

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Rrsearch on drying characteristic of Auricularia auricular(L.ex Hook.) Underw

DONG Zhou-yong, REN Hui, ZHOU Ya-jun, CHEN Ying   

  1. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China
  • Received:2011-03-30 Online:2011-09-30 Published:2011-09-30

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Abstract:

In order to improve the quality of dried Auricularia auricular(L.ex Hook.) Underw,experiments of hot-air drying,microwave drying and combined hot-air/microwave drying were carried out respectively.The results show that the drying rate of Auricularia auricular(L.ex Hook.) Underw moisture is declining mostly during the drying process.There is a slightly drying rate accelerating period and there is not constant drying rate period during the whole drying process.The drying mathematical model accords with Page fornula.The hot-air drying is time consuming.Microwave drying is more rapid,but the quality of dried Auricularia auricular(L.ex Hook.) Underw is poor.The drying time of combined hot-air/microwave(70 ℃,385 W) decreased to 52 percent of the(70 ℃)hot-air drying time,and the quality of Auricularia auricular(L.ex Hook.) Underw is better than the others.So combined hot-air/microwave(70 ℃,385 W) drying is the optimal technology.

Key words: food processing, Auricularia auricular(L.ex Hook.) underw, drying, mathematical mode

CLC Number: 

  • TS201


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