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Position: Home > Articles > Effect of Twin-screw Extrusion Conditions on Polysaccharide Extraction from Ganoderma lucidum Spore Powder FOOD SCIENCE 2011,32 (16) 67-70

挤压处理灵芝孢子粉提取灵芝多糖

作  者:
焦艳丽;温升南;杜冰;杨公明
单  位:
广州市美益香料有限公司;华南农业大学食品学院广州市美益香料有限公司;华南农业大学食品学院;华南农业大学食品学院广东科奇超速冻科技有限公司
关键词:
灵芝孢子粉;双螺杆挤压;破壁;灵芝多糖
摘  要:
以挤压喷爆为处理方法,孢子破壁率和灵芝多糖得率为研究对象,分析水分含量、螺杆转速、温度、进料速度对灵芝孢子的破壁率和灵芝多糖得率的影响。采用正交试验优化挤压工艺条件得出:水分含量15%、螺杆转速223r/min、温度125℃、进料速度155g/min,在此条件下灵芝孢子破壁率为78.6%,多糖得率为2.219%,通过在最佳条件下进行二次挤压,灵芝孢子破壁率提高为83.48%,多糖得率为2.37%。
译  名:
Effect of Twin-screw Extrusion Conditions on Polysaccharide Extraction from Ganoderma lucidum Spore Powder
作  者:
JIAO Yan-li1,WEN Sheng-nan2,DU Bing1,YANG Gong-ming1, (1.College of Food Science,South China Agricultural University,Guangzhou 510642,China; 2.Guangzhou Meiyi Flavours and Fragrances Co.Ltd.,Guangzhou 510642,China)
关键词:
Ganoderma lucidum spore;twin-screw extrusion;cell wall disruption;Ganoderma lucidum polysaccharides
摘  要:
Ganoderma lucidum spore powder was subjected to twin-screw extrusion before polysaccharide extraction.The effects of material moisture content,screw rotary speed,temperature and feeding speed on the cell wall disruption rate of Ganoderma lucidum spore and polysaccharide yield were explored.The four process conditions were optimized by orthogonal array design method as follows: material moisture content 15%,screw rotary speed 223 r/min,temperature 125 ℃ and feeding speed 155 g/min.The resulting cell wall disruption rate and polysaccharide yield were 78.6% and 2.219%,respectively,which were increased to 83.48% and 2.37% after the second twin-screw extrusion.

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