Korean pine (Pinus koraiensis Sieb.et Zucc.) can provide us with not only valuable timber, but also famous, high-quality and special dry fruit. Its pine nut contains a large amount of biological active composition and rich nutrition.
1.The unsaturated fatty acid in Korean pine nut was extracted by the method of supercritical CO2. Regard extraction pressure, extraction temperature and extraction time as the factor, carry on the experiment of the factors that impacts on the yield respectively, on th...