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Method of directly pressing oil from fresh camellia oleifera

A Camellia oleifera fruit, direct technology, applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of hidden safety hazards, long cycle, decreased nutritional value, etc. The effect of high oil rate

Active Publication Date: 2019-03-26
HUNAN DASANXIANG TEA OIL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, people control the moisture of oil raw materials through natural drying and then mechanical drying. The moisture control process requires a long cycle. As the quality of oil decreases, degumming, deacidification, decolorization, deodorization, and winterization may be required for subsequent oil refining, which will not only cause a decrease in nutritional value, but also cause more or less potential safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Take 1,000 kg of selected fresh tea fruit, remove the husk through a sheller (the husk accounts for 1% of the fresh tea seeds), and then wash and wash the fresh tea seeds and crush them (the sieve diameter of the grinder is 3mm). Juicing of fresh tea seeds (gap of 0.2 mm in the squeeze gap) to obtain solid fiber powder and milk, adjust the water content of the milk to 40% (weight content), gelatinize the milk at a temperature of 100 ° C for 30 minutes, and then cool it down to 60 ℃, add absolute ethanol to the system according to the ratio of adding 9 mL of absolute ethanol per 40 g of whey, stir and continue to react for 40 minutes, centrifuge at 1000 rpm for 5 minutes, collect the camellia oil, and place the camellia oil at a temperature of 80°C under vacuum Perform solvent recovery at -0.09MPa for 1.5 hours to obtain camellia oil with recovered absolute ethanol, add activated carbon with 0.5% of the mass of camellia oil removed from absolute ethanol, adsorb at a tempe...

Embodiment 2

[0042] Take 1,000 kg of selected fresh tea fruit, remove the husk through a sheller (the husk accounts for 1% of the fresh tea seeds), and then wash and wash the fresh tea seeds and grind them (the sieve diameter of the grinder is 5mm). The fresh tea seeds were squeezed (0.3 mm in the squeeze gap) to obtain whey, and the whey moisture content was 45%. After the whey was gelatinized at a temperature of 90°C for 40 minutes, the temperature was lowered to 60°C, and 15mL80 was added to every 40g of whey Add 80% ethanol aqueous solution to the system, stir and continue to react for 50 minutes, centrifuge at 3000 rpm for 4 minutes, collect the crude camellia oil, and place the crude camellia oil at a temperature of 80°C and a vacuum of -0.09MPa for solvent recovery 1.5 Hours, to obtain the camellia oil that reclaims absolute ethanol, add the activated carbon of 1.0% of the camellia oil mass that removes absolute ethanol, absorb at a temperature of 4° C. for 10 min, and filter to obta...

Embodiment 3

[0044] Take 1,000 kg of selected fresh tea fruit, remove the husk through a sheller (the husk accounts for 1% of fresh tea seeds), and then wash and wash the fresh tea seeds and crush them (the sieve diameter of the grinder is 6mm). The fresh tea seeds were squeezed (0.2 mm gap between the squeezing slots) to obtain whey, the water content of the whey was 50%, the whey was gelatinized at 80°C for 50 minutes, and then cooled to 60°C. Add 12mL of 90% ethanol aqueous solution to the slurry, add 90% ethanol aqueous solution to the system, stir and continue to react for 50 minutes, centrifuge at 5000 rpm for 3 minutes, collect the camellia oil, and place the camellia oil at a temperature of 80°C and a vacuum of -0.09MPa. The solvent was recovered for 75 minutes to obtain camellia oil recovered from absolute ethanol, and activated carbon with 1.5% of the mass of camellia oil removed from absolute ethanol was added, adsorbed at a temperature of 10°C for 8 minutes, and filtered to obta...

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Abstract

The invention discloses a direct fresh oil camellia fruit squeezing method which comprises the following steps: (1) selecting, namely selecting fresh and full oil camellia fruits; (2) removing shells,namely removing shells of the oil camellia fruits obtained in the step (1) so as to obtain oil camellia seeds; (3) performing cleaning and selection, and washing the oil camellia seeds with water; (4) performing crushing, namely crushing the oil camellia seeds obtained in the step (3) so as to obtain oil camellia seed granules; (5) performing phase splitting 1, namely squeezing the oil camellia seed granules obtained in the step (4) in a squeezing machine so as to obtain solid fiber powder and liquid slurry; (6) performing gelatinization, namely conveying the slurry obtained in the step (5) into a reaction tank, and performing heating gelatinization; (7) performing medium separation, namely cooling, putting a medium into the reaction tank of the step (6), and performing stirring layering;(8) performing phase splitting 2, namely centrifuging an emulsion obtained in the step (7) so as to obtain light-phase camellia oil; (9) performing separation extraction, namely purifying light phasecamellia oil obtained in the step (8), thereby obtaining high-quality camellia oil. By adopting the method, high oil yield is achieved, a great amount of nutrient substances are maintained, and comprehensive utilization of oil camellia fruits is achieved.

Description

technical field [0001] The invention relates to the processing of oilseed fruit, in particular to a method for directly pressing oil from fresh camellia oleifera fruit. Background technique [0002] Camellia oleifera is a plant of the genus Camellia in the family Theaceae. Camellia oleifera seed is the seed of camellia oleifera tree. Camellia oil (also known as camellia seed oil, camellia oil, camellia oleifera oil) can be obtained by leaching or pressing. Camellia oil is a healthy and delicious edible oil. It is not only good in color, fragrance and taste, but also has the effect of preventing cardiovascular diseases such as hypertension, coronary heart disease and atherosclerosis, and has important development and utilization value. [0003] At present, the production methods of camellia oil mainly include pressing method, solvent leaching method, aqueous enzymatic method, supercritical fluid extraction method and so on. Among them, the pressing method, solvent leaching m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/04C11B1/06C11B1/10C11B3/10C11B3/16
Inventor 赖琼玮陈劲松杨耀学邓一军黄闺凌小辉李志成肖春生洪穗罗秋兰吴丹
Owner HUNAN DASANXIANG TEA OIL CO LTD
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