利用亚临界流体萃取玫瑰油的研究

Study on Extraction of Rose Oil by Subcritical Fluid

以无毒无害不燃烧的YHZL(试剂代号)为萃取剂,采用亚临界萃取和分子蒸馏技术,从平阴重瓣红玫瑰中提取出了具有玫瑰鲜花自然花香的玫瑰油。研究证明,在萃取温度45℃、分离温度30℃的条件下,循环萃取3 h,玫瑰油得率可达到0.11%以上。该工艺生产安全,无需热源,无三废排放,提取玫瑰油后的花渣完全保持鲜花的颜色和形状。

With YHZL as the extractant,the oil with natural rose fragrance was obtained from Pingyin multilayered petals red rose by subcritical extraction and molecular distillation.The research results showed that,under the extraction temperature of 45℃and separation temperature of 30℃,the yield ratio of rose oil was able to reach over 0.11%after 3 h cycle extraction.The process is safe in production,no heat source and no waste discharge.The rose flower residue after extracting oil would retain their original color and shape completely.