摘要
应用超临界二氧化碳萃取技术,研究了提取葡萄籽油的新方法,探讨了不同萃取工艺条件对出油率的影响.研究结果表明:原料预处理、萃取压力、萃取温度、CO2流量和萃取时间对葡萄籽油的出油率与油品质量有直接影响.提出了生产中可采用的最佳工艺条件:萃取压力为25MPa;温度为35～45℃;CO2流量为40kg/h;萃取时间为3.5h.在此条件下,出油率可达到93%以上,油品质量可达到国际标准.
The extraction of grape-seed oil by s upercritical fluid CO 2 has been studied.The effects of extr action pressure,tem-perature,rate of CO 2 flow and the grinding size of grape se eds on the extraction efficiency hav e been discussed.The results indicate that these factors influen ce directly the yield and quality of t he oil.The optimal condition to extr act grape seeds oil by SFE-CO 2 is extraction pressure 25MPa,temperature 35～45℃,rate of CO 2 flow 40kg /h and the extraction time 3.5h,and rate of oil over 93%under the given op timal condition.
出处
《宁夏工程技术》
CAS
2003年第2期124-126,共3页
Ningxia Engineering Technology
