Optimization of SF-CO2 Extraction of Essential Oil from Seeds of Evening Primrose (Oenothera biennis) Grown in West Hunan Province by Response Surface Methodology
OUYANG Hui1,YU Ji2,CHEN Xiao-yuan2,ZHANG Yong-kang1
FOOD SCIENCE . 2010, (2): 42 -45 .  DOI: 10.7506/spkx1002-6630-201002010