FOOD SCIENCE ›› 2004, Vol. 25 ›› Issue (8): 100-103.

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Studies on the Extraction Conditions and Properties of Polysaccharides of Auricularia auricula

 FAN  Li-Sheng, ZHANG  Sheng-Hua, XIA  Fu-Bao   

  1. 1.Department of Food Science and Technology, Huazhong Agricultural University;2.College of Biology Engineering, Hubei Industry University
  • Online:2004-08-15 Published:2011-10-24

Abstract: The optimal processing conditions for the extraction of polysaccharides from Auricularia auricula fruit-body werestudied. Using distilled water as extraction agent was better than dilute alkali or acid. The results showed that: the rate of dryfruit-body powder to water was 1:15, the opitimal rate of alcohol to concentrate liquid was 4:1, the extracting temperature wascontrolled at 75℃ with 2h for each time and total times were 5. The quality of freeze drying CAAP was better than that of vacuumdrying. Combining enzyme deprotein mothod with Sevage method was found better than Sevage deprotein method.

Key words: Auricularia auricula, polysaccharides, extract, properties