摘要
以西瓜籽为原料,研究了微波辅助提取西瓜籽油的工艺条件,通过单因素试验和正交试验,探讨了溶剂种类、微波功率、提取温度、料液比、以及提取时间对西瓜籽油得率的影响。确定最佳提取剂为正已烷,最佳工艺条件为:微波功率200 W,提取温度80℃,料液比1∶12,提取时间21 min,此条件下西瓜籽油得率可达51.77%。西瓜籽油中的脂肪酸以不饱和脂肪酸为主,尤以亚油酸质量分数最高,达62.30%。
Taking watermelon seeds as the raw materials,we studied the technical conditions for extracting wa-termelon seed oil by microwave-assisted method, discussed solvent solid - liquid ratio and the influence of extraction time on watermelon types, microwave power, extraction temperature, seed oil yield through single factor and orthogonal experiments. As the experimental results showed, the optimal extractant was n -hexane, and the optimal technical conditions were as follows ： microwave power of 200 W, extraction temperature of 80℃, solid - liquid ratio of 1 ： 12 and extraction time of 21 min. The extraction yield of watermelon seed oil could reach 51.77% in the optimal conditions. The major component of fatty acid in watermelon seed oil was unsaturated fatty acid with the highest linoleic acid con- tent proportion of up to 62.30% oarticularlv.
出处
《中国粮油学报》
EI
CAS
CSCD
北大核心
2013年第2期43-47,共5页
Journal of the Chinese Cereals and Oils Association
关键词
西瓜籽油
微波提取
脂肪酸组成
watermelon seed oil, microwave extraction ,fatty acid composition
