文献类型：期刊文献

中文题名：预处理条件对油茶籽液压榨油效率和品质的影响研究

英文题名：The Effect of Different Pretreatments on the Efficiency and Quality of Camellia Oil Before Hydraulic Pressing

作者：罗凡[1] 费学谦[1] 李康雄[1,2] 郭少海[1] 叶晓飞[3] 王亚萍[1]

第一作者：罗凡

机构：[1]中国林业科学研究院亚热带林业研究所;[2]中南林业科技大学食品科学与工程学院;[3]江西春源绿色食品有限公司

年份：2016

卷号：31

期号：4

起止页码：94-99

中文期刊名：中国粮油学报

外文期刊名：Journal of the Chinese Cereals and Oils Association

收录：CSTPCD;;Scopus;北大核心:【北大核心2014】；CSCD:【CSCD2015_2016】；

基金：中央级公益性科研院所基本科研业务费专项(RISF2013006);农业科技成果转化项目(2013GB24320614);横向课题"采后处理及压榨方式对茶油品质的影响"(春源13-4)

语种：中文

中文关键词：油茶籽油;液压;出油率;蒸制;营养

外文关键词：camellia oil, hydraulic, spiral, steamed, nutrition

分类号：TQ644.13

摘要：为了摸清液压榨油规律及最佳榨油条件，考察了不同含壳率、含水率油茶籽原料，以及原料在不同烘烤温度、破碎茶籽粒径、水蒸气蒸制等条件下液压压榨后油茶籽油的出油率和营养成分变化规律。通过分析试验数据得出当液压压榨油茶籽原料中含壳率为20％，含水率3％～5％，原料入榨前在120℃烘烤1h后进行液压压榨后产油率和得到的茶油营养物质的含量相对较高。研究还发现，油茶籽破碎蒸制后出油率有所上升，但所榨茶油酸价也明显上升，各种营养成分与蒸制前无显著提高，因此得出采用液压工艺榨油应通过适当温度烘制，而不必利用水蒸气蒸制来提高出油率和油脂品质的结论，且入榨前对原料进行适当破碎有助于提高液压榨油的出油率。
To investigate rules and study the potimized conditions of hydraulic pressing, different rates of hull in tea seed material, moisture content, baking temperatures, crushing grain diameter have been examined, as well as the material to be steamed; the oil yield efficiency and nutrients after hydraulic press were determined as judging indexes. Through analysis on the experimental data, the optimum pretreatment ratio of the raw material of 20%, the moisture content of 3%-5% and conditions were found to be as follows： the shell baking at 120℃ for 1 h before squeeze. The oil produced from the hydraulic pressing had the higher oil extraction rate and was more nutritional. The study also found that after being broken and steamed the, yield efficiency of oil could be increased, while the acid value was increased obviously with no significant increase of nutrients. As a result, crushing and bake under appropriate temperature could be a method to improve the yield efficiency and fine quality of camellia oil without being steamed by water.