双低菜籽脱皮冷榨膨化新工艺的研究 - 中国农业科学.pdf

中国农业科学 2005, 38(12):2508-2514 Scientia Agricultura Sinica 双低菜籽脱皮冷榨膨化新工艺的研究 黄凤洪，李文林，黄庆德，钮琰星 ( 中国农业科学院油料作物研究所/ 国家油菜工程技术研究中心，武汉 430062) 摘要：将菜籽脱皮分离系统、双螺旋榨油机、高含油料挤压膨化机组装集成，形成了双低菜籽脱皮冷榨膨化 新工艺，分析了新工艺的技术经济可行性。新工艺具有降低生产成本，提高产品质量，增加经济效益等突出特点。 其生产成本为每吨142.85 元，比预榨浸出工艺节约生产成本近20%；冷榨油达到国家二级菜籽油标准；浸出粕粗 蛋白质含量达 46%以上，达到一级饲料用低硫甙菜粕标准。脱皮冷榨膨化新工艺实现了双低菜籽的高效加工，产 业化应用前景广阔。 关键词：油菜（Brassica napus)；双低菜籽；脱皮；冷榨；膨化；工艺 New Process of Dehulling-Cold Pressing-Expansion for Double-Low Rapeseed HUANG Feng-hong, LI Wen-lin, HUANG Qing-de, NIU Yan-xing (Institute of Oil Crops Research, Chinese Academy of Agricultural Sciences / National Center for Rapeseed Engineering and Technology, Wuhan 430062) Abstract: Rapeseed dehuller, twin-screw press and expander were assembled to a new process for double-low rapeseed. The technical and economic feasibility of the new process were analyzed. It can reduce conversion cost, improve quality of oil and meal and increase economic benefit. The conversion cost of new process is 142.85 Yuan·t-1, which is less than pre-pressing extraction process by 20%. Cold pressing oil meets the standard of the second grade rapeseed oil of GB 1536-1986. Rapeseed meal meets the standard of the first grade low-glucosinolate rapeseed meal for fodder of NY 417-2000, which protein content is more than 46%. The new process come up to high profit .Its industrialization and application are promising. Key words: Rape (Brassica napus); Double-low rapeseed; Dehulling; Cold pressing; Expansion; Process 油菜是中国第一大油料经济作物，种植面积和总 本[3～5] 。传统的预榨浸出工艺没有实现双低菜籽优质 产均居世界首位[1] 。双低菜籽由于芥酸和硫甙含量大 后的优用，造成资源的深层次性浪费，已不适用于双