摘要
以鲢鱼骨为原料,研究球磨处理对鱼骨粉的粒度分布、比表面积、钙提取率和可溶性蛋白含量的影响。结果表明,粒度随着球磨处理时间延长呈现先减小后增大的变化趋势,球磨30h时鱼骨粉平均粒度(Dav)和中位径(D50)最小,分别为9.33μm和7.05μm,当球磨处理时间超过30h后继续延长球磨时间则因二次团聚而使粒度增大。而比表面积、钙提取率和可溶性蛋白含量则随球磨处理时间延长呈现上升后下降的变化趋势,球磨30h时鱼骨粉比表面积、钙提取率和可溶性蛋白含量最大,分别为94314m2/m3、13.96%和42.70mg/g,延长球磨处理时间其值则呈轻微下降趋势。
Effects of ball-milling treatment on particle size distribution, specific surface area, calcium extraction rate and soluble protein content of sliver carp bone powder were studied. Results showed that the particle size increases followed by a decrease with ball-milling time prolonging. The average particle size （D,v） and median particle size （D50） of sliver carp bone powder are minimum by ball-milling treatment for 30 h, 9.33 μm and 7.05 μm, respectively. Particle size increases by more than 30 h ball- milling treatment due to second aggregation. Specific surface area, calcium extraction rate and soluble protein content decrease followed by an increase with ball-milling time prolonging. Maximum value of specific surface area, calcium extraction rate and soluble protein content could be obtained 30 h ball-milling treatment, as 94314 m2/m3, 13.96 % and 42.70 mg/g, respectively. The values decrease slightly when baU-miUing time was more than 30 h.
出处
《食品科学》
EI
CAS
CSCD
北大核心
2008年第9期70-73,共4页
Food Science
基金
“十一五”国家科技支撑计划项目(2006BAD05A18)
湖北省重大科技攻关计划项目(2007AA204A01)
关键词
球磨
鱼骨粉
粒度分布
比表面积
钙提取率
ball-milling
fish bone powder
particle size distribution
specific surface area
calcium extraction rate
