Experimental Study Of Different Extraction Methods Rosa Seed Oil And Extract Oil From Its Lipid-lowering

Rosa(Rosa davurica Pall) belongs to the Rosaceae,widely distributed in the three northeastern provinces, Inner Mongolia, Shanxi and other provinces.Rosa is warm, pickle contains a lot of nutrients;Rosa pulp is rich in vitamins, amino acids, brass category, tannin compounds and minerals;Rosa seeds contain a number of polyunsaturated fatty acids.Rosa nutrients contained in fruit have antioxidant, anti-aging fatigue, enhance immunity, lowering blood pressure, prevent cardiovascular disease and so on.Rosa fresh drug identity and nutritious at the same time having a great role in health care, with the national health awareness, as well as our in-depth study of Rosa processing and utilization, which has been widely used in medicine, food and natural health art products.Chemical, pharmacological studies Rosa are also increasingly rich.Using Rosa nutritious and cardiovascular protection efficacy,,Using chemical Rosa extract made into health care products and results of Rosa wine making, jelly and other food are also popular on the market.Rosa seeds are rich in polyunsaturated fatty acids, but research on Rosa seed extract less oil.The subject first use of Rosa as raw material, the use of aqueous enzymatic new oil extraction technology to extract oil, and use of lipid-lowering fat fruit Rosa function studies.In this experiment, Rosa fruit as raw material, enzyme and water were used two methods to cold pressing method Rosa fruit seed oil were extracted using the first experimental study of single factor influence of Rosa fruit seed oil yield was then adopted positive post test extraction conditions were optimized to determine the optimum extraction parameters. In oil rate index Rosa fruit seeds, and different methods of Rosa fruit seed crude oil were physical and chemical analysis, comparative analysis of the advantages and disadvantages of the two methods. Recycling resulting Rosa fruit seed crude oil pilot study cholesterol.Test results are as follows:1.By single factor test, orthogonal test and verification test to determine the aqueous enzymatic extraction of oil from Rosa optimum parameters.The results are as follows: liquid ratio of 1: 8, the enzyme reaction temperature is 45 ℃, neutral protease enzyme combination + pectinase, reaction time was 6 hours,Rosa of various factors on the impact oil extraction from strong to weak as follows: reaction time> reaction temperature> solid-liquid ratio.2.By single factor test, orthogonal test and verification test to determine the optimum parameters cold pressed oil from Rosa.The results are as follows:Pressing temperature is 45 ℃, time was 100 min, the pressure is 40 Mpa, the factors on the extraction of oil from Rosa impact from strong to weak as follows: press pressure> temperature press> press time.3.The aqueous enzymatic oil rate was 9.0% higher than the cold pressed method to give an oil rate of 4.0%, an acid water obtained by enzymatic Rosa fruit seeds of crude oil, iodine value, peroxide value, saponification value were lower than low the resulting crude oil compression method described aqueous enzymatic extraction of crude oil quality is higher than the cold pressing method, but the smell of crude oil mixed with water obtained in the enzymatic residual taste petroleum ether, indicating poor extraction efficiency.4.In conclusion:The high-fat + Rosa fruit seed lipids group of mice was significantly lower than model group, after two weeks of oral administration of the test, serum fat model + Rosa fruit seed oil group Total TC, TG decreased by 27.6%, 30.2%, significantly lower than model group(p <0.01), fat model + Rosa fruit seed oil group serum HDL-C was significantly increased(p <0.01), increased by 23.5%, hyperlipidemia model + Rosa fruit seed oil group serum LDL-C decreased significantly(p <0.05), decreased 12.7%. Description Rosa fruit seed oil can significantly reduce hyperlipidemia mouse serum TC, TG levels, increased the role of hyperlipidemia in mouse serum HDL-C, reduce hyperlipidemia mouse serum LDL-C role. While the decrease in body weight of mice: model group, the former than the high-fat test model + Rosa fruit seed oil group mice weight increased 18.5%, 37.5%, 22.2%. Model group differences in body weight and fat model + Rosa fruit seed oil group mice was significantly(p <0.05), explained Rosa fruit seed oil can make weight loss in mice, Rosa Fruit Seed Oil on lipogenesis certain antagonism.