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An extraction method and technology of bitter gourd seeds are applied in the field of extraction of bitter gourd seed oil, which can solve the problems of large nutrient loss and low oil yield, and achieve the effects of less nutrient loss, good sensory perception, and clear and bright color.
Inactive Publication Date: 2015-12-09
CHUZHOU YINSHI GREASE CO LTD
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The oil contains 1.8% butyric acid, 2.8% palmitic acid, 21.7% stearic acid, 30.0% oleic acid, and 43.7% α-cartonic acid. The efficacy of bitter gourd seeds is known as plant insulin. At present, bitter gourd seeds are mostly used directly as medicine in the market. Although the technology of oil extraction from bitter gourd seeds is also available, there are mainly disadvantages of low oil yield and large nutritional loss.
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Embodiment 1
[0012] Embodiment 1, a kind of extraction method of balsam pear seed oil, its extraction process is as follows:
[0013] After preheating the bitter gourd seeds at a baking temperature of 85°C for 10 minutes, continue to bake them at 150°C for 5 minutes;
[0014] Crush the balsam pear seeds to 90 mesh, and extract for 100 min in an SC-CO2 extraction environment with a pressure of 24Mpa, a carbon dioxide flow rate of 20L / h, and a temperature of 40°C to obtain the first balsam pear seed oil and extraction residue;
[0015] After treating the extraction residue under ultrasonic wave with a power of 220W for 15 minutes, add water to refine the slurry at a weight ratio of 1:1, add protease to the slurry, and perform enzymatic hydrolysis at 35°C for 25 hours to obtain an enzymatic hydrolysis solution;
[0016] Inactivate the enzyme in the enzymatic hydrolysis solution, add ethanol to the enzymatic hydrolysis solution at a volume ratio of 1:15, and treat it under an ultrasonic wave w...
Embodiment 2
[0018] Embodiment 2, a kind of extraction method of balsam pear seed oil, its extraction process is as follows:
[0019] After preheating the bitter gourd seeds at a baking temperature of 92°C for 15 minutes, continue to bake them at 155°C for 6 minutes;
[0020] Crush the balsam pear seeds to 100 mesh, and extract for 105 minutes in an SC-CO2 extraction environment with a pressure of 26Mpa, a carbon dioxide flow rate of 22L / h, and a temperature of 40°C to obtain the first balsam pear seed oil and extraction residue;
[0021] After treating the extraction residue under ultrasonic wave with a power of 220W for 15 minutes, add water to refine the slurry at a weight ratio of 1:1, add protease to the slurry, and perform enzymatic hydrolysis at 38°C for 30 hours to obtain an enzymatic hydrolysis solution;
[0022] Inactivate the enzyme in the enzymatic hydrolysis solution, add ethanol to the enzymatic hydrolysis solution at a volume ratio of 1:15, and treat it under an ultrasonic w...
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Abstract
The invention relates to an extraction method of vegetable oil, particularly to an extraction method of bitter melon seed oil. The method comprises the following steps: baking bitter melon seeds, then crushing the bitter melon seeds into 90-mesh to 100-mesh powder, extracting the powder for 100 to 105 minutes in a SC-CO2 extraction environment that the pressure is 24 to 26 MPa, the flow rate of carbon dioxide is 20 to 22 L/h, and the temperature is 40 DEG C, to obtain first bitter melon seed oil and extract residue, processing the extract residue for 15 minutes under the ultrasonic wave with power of 220V, then adding water into the processed residue according to a weight ratio of 1 to 1, pulping the processed residue, adding protease into the serous fluid, carrying out the enzymolysis, to obtain enzymatic hydrolysate, deactivating enzyme in the enzymatic hydrolysate, adding ethanol into the enzymatic hydrolysate according to a volume ratio of 1 to 15, processing for 50 to 55 minutes under the extraction temperature of 65 to 70 DEG C and the ultrasonic waves with power of 78 to 80 W, to obtain second bitter melon seed oil, mixing the first bitter melon seed oil and the second bitter melon seed oil to obtain mixed oil, and distilling the mixed oil for 50 to 58 minutes under the pressure of 3 to 5 Mpa and the temperature of 50 to 58 DEG C.
Description
technical field [0001] The invention relates to a method for extracting vegetable oil, in particular to a method for extracting bitter gourd seed oil. Background technique [0002] Bitter melon seeds are the dry and mature seeds of bitter gourd, a common edible vegetable in my country. Oil 31.0%. The oil contains 1.8% butyric acid, 2.8% palmitic acid, 21.7% stearic acid, 30.0% oleic acid, and 43.7% α-cartonic acid. The efficacy of bitter melon seeds is known as plant insulin. At present, balsam pear seeds are mostly used as medicine directly in the market. Although the oil extraction technology of balsam pear seeds is also used, it mainly has the disadvantages of low oil yield and large nutritional loss. Contents of the invention [0003] In order to solve the shortcomings of the existing bitter melon seed oil extraction technology, the object of the present invention is to provide a method for extracting bitter melon seed oil. [0004] The technical scheme adopted...
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