Products Description
Parameters of Low-temperature subcritical extractor solvent extraction of oil from seeds mainly include extraction temperature, extraction time, feed/liquid ratio and number of extractions. These parameters vary depending on the feedstock and target product, but usually within a certain range.
Feature of Low-temperature subcritical extractor solvent extraction of oil from seeds
- Improve extraction efficiency and yield
Optimization of process conditions to increase the yield of wheat bran oil, macadamia nut oil, almond oil, etc.
Optimization of processes to improve extraction yields of products such as sesame oil, soybean germ oil, grapefruit seed oil, etc. through response surface methodology
- Retaining and increasing the content of specific components
Increase the content of unsaturated fatty acids, such as linoleic acid, methyl palmitate, etc.
Increase phytosterol content, e.g. β-sitosterol, leguminol, etc.
- Environmentally friendly and sustainable
Subcritical extraction technology has environmental advantages over traditional methods
Low-temperature operation reduces energy consumption and is suitable for energy-sensitive industries
- Wide range of applications, including the food industry and pharmaceuticals
Extraction of nutrients and additives in the food industry
Extraction of active substances in the pharmaceutical sector, where the activity is preserved and not destroyed.
- Technological developments and innovations
Recent advances in subcritical extraction technology and prospects for its application
Compared with other supercritical fluid extraction technologies, subcritical butane extraction has unique advantages in some aspects
application of Low-temperature subcritical extractor solvent extraction of oil from seeds
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Walnut oil extraction
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Optimal process parameters: extraction time 40 min, extraction temperature 45℃, extraction pressure 0.5 MPa, oil yield rate 65.11%Unsaturated fatty acid content: 90.85%, linoleic acid content as high as 61.23% |
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Macadamia nut oil extraction
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Optimal process parameters: extraction time 15 min, extraction temperature 45℃, liquid ratio 1 ∶ 5 g / mL, the extraction times 4 times, the yield rate 80.7% Main components: oleic acid (58.99%), palmitoleic acid (17.59%) |
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Wheat bran oil extraction
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Optimal process parameters: extraction time 30 min, extraction temperature 40℃, liquid ratio 1 ∶ 3 g / mL, extraction times 3 times Composition analysis: 78.17% of fatty acid esters and sterols were 19.35% |
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Cotton seed oil extraction
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Optimal process parameters: extraction time 36 min, extraction temperature 47℃, extraction time 36 min, yield rate 93.1% Good product quality, reduce refining costs |
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Oil salad bean oil extraction
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Optimal process parameters: material particle size 0.425 mm (40 items), extraction temperature 45℃, extraction time 50 min, liquid-solid ratio 8 ∶ 1, residual oil rate of soybean meal 2.91% |
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Soybean germ oil extraction
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Optimal process parameters: raw material particle size 40 mesh, extraction temperature 50℃, each extraction time 40 min, 5 extraction times, oil yield of 95% Vitamin E and phytosterol levels were higher, especially the phytosterol content increased twice |
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Almond oil extraction
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Optimal process parameters: extraction time 46min, extraction temperature 42℃, material dissolution ratio 1∶6.6g/m L, yield rate of 88.58% The quality indicators meet the national standards |
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Extraction of lipid trace components from the rapeseed cake
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Optimal process parameters: mass ratio of r134a to butane 6:3, extraction temperature 45℃, extraction time 30 min, Canolol, tocopherol and total phytosterol extraction were 2.43,9.71 and 89.17 mg / 100 g, respectively |
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Sesame oil extraction
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Optimal process parameters: extraction time 60 min, extraction temperature 60℃, liquid ratio 1 ∶ 3.0, and the extraction rate of sesame oil 98.57% The quality reaches the national first-class sesame oil standard |
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Extraction of volatile oil from the cliff cypress root
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Optimal process parameters: extraction time 48 min, extraction temperature 35℃, material to liquid ratio 1 ∶ 21 (g/mL), the highest yield of volatile oil is 10.10%. From the above analysis, it can be seen that the optimized process conditions of subcritical butane extraction technology in different raw materials and application fields are of great significance for improving the release rate and product quality. |
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