超临界CO_2精制紫玉米芯色素的研究  

STUDY ON THE PURPLE CORN COB PIGMENT REFINING WITH SUPERCRITICAL CO_2 FLUID TECHNOLOGY

作　　者：王朝臣[1] 静宝元[1] 

机构地区：[1]天津渤海职业技术学院,天津300221

出　　处：《河南工业大学学报（自然科学版）》2009年第3期38-40,共3页Journal of Henan University of Technology：Natural Science Edition

摘　　要：以紫玉米芯为原料,着重探讨了超临界状态下萃取压力、温度、时间及紫玉米芯粉细度对玉米芯色素萃取率的影响.得出最佳工艺条件为:压力30 MPa、温度50℃、时间60 min、细度110目.萃取率可达到13.65%.The influences of extracting pressure, temperature, time, and fineness of purple corn cob on the extraction rate of purple corn cob pigment were investigated under supercritical condition by using purple corn cob as the experimental material. The results show that the extraction rate can reach 13.65% under the best conditions of pressure 30 Mpa, temperature 50 ℃ , time 60 min and fineness 110 meshes.

关 键 词：超临界CO2 紫玉米芯 萃取 

分 类 号：TS201.2[轻工技术与工程—食品科学]