食品科学 ›› 2002, Vol. 23 ›› Issue (8): 252-254.

• 营养卫生 • 上一篇    下一篇

莲子水溶性糖的提取及其对自由基清除能力的研究

 丁利君, 周国栋, 韩山   

  1. 师范学院
  • 出版日期:2002-08-15 发布日期:2011-12-31

 DING  Li-Jun, ZHOU  Guo-Dong, HAN  Shan   

  • Online:2002-08-15 Published:2011-12-31

摘要: 研究了莲子中水溶性多糖的超声波提取条件。结果表明:以水为溶剂,用超声波提取莲子多糖时,最佳提取条件为:超声波功率为80%,水浴温度为60℃,用超声波提取30min。并用苯酚-硫酸法测定了水溶性糖的含量,研究了莲子在水溶液中的提取物对羟自由基(OH)的清除作用。

关键词: 莲子, 水溶性糖, 提取, 羟基自由基

Abstract: Abstract Extracting conditions of water-soluble polysaccharides from lotus seed were studied on this paper. The resultsshowed that the optimum technology conditions of extracting polysaccharides with ultrasonic wave were 80% of power,temperature of water-bath 60℃and extracting time 30min Meanwhile ,the content of the polysaccharides was measured byphenol-sulphuric acid method and the effect of the polysaccharides on scavenging free radicals was studied too.

Key words: Lotus seed , Polysaccharides , Extract , Hydroxyl free radicals.