CN102643715A - Method for extracting edible oil by preprocessing ethanol solution in microwave expansion mode - Google Patents
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Abstract
The invention relates to a method for extracting edible oil by preprocessing ethanol solution in a microwave expansion mode, which includes: firstly smashing certain amount of tea seed kernel oil or high-temperature parched tea seed kernel oil, performing microwave expansion processing on tea seed kernel oil slurry, leaching certain amount of microwave expansion tea seed kernel oil dregs so as to lead oil to float from the tea seed kernel oil dregs to form an oil layer, wherein the middle layer is a low-concentration ethanol solution layer and the lower layer is a tea seed kernel oil dreg layer, and finally separating the oil layer to obtain the oil. The method reduces using amount of ethanol, improves oil microwave expansion effects, fully separates the oil from non-oil substances in the oil dregs, is convenient for improving oil yield of the following processing, can remove pigment materials in oil dregs of tea seed kernels and the like, is convenient for obtaining nearly colourless oil, fast separates the oil from the non-oil substances and has the advantages of being simple in process, small in investment and capable of performing industrialized production easily.
Description
Technical field
The invention belongs to people's food oil deep process technology field, relate to a kind of method of microwave bulking pre-treatment ethanolic soln lixiviate edible oil.
Background technology
Tea seed is also claimed the camellia seed, is one of the world's four big woody oleiferous plants, mainly is distributed in China, is unique oil resource of China.Contain two kinds of main useful components in the tea seed, the one, tea oil, the 2nd, tea saponin.
Tea-seed oil with sweet oil and be called the world's two big woody edible oils, has the title of " treasure in the oil " from ancient times.Check confirms that the quality of tea oil is superior to the west sweet oil through Chinese CDC, and high-grade refining tea oil is compared with sweet oil, and the nutrition and health care quality is higher.Sweet oil contains unsaturated fatty acids 75%～90%, and the unsaturated fatty acid content of tea oil is the hat of various edible oils up to 85%～97%.
Present tea oil manufacturing enterprise generally adopts squeezing, leaches then and extracts tea oil technology, and the tea oil that adopts this technology to obtain is second-rate.In order to obtain high-quality tea oil, patent CN200610031893.1, CN200810059993.4 use aspartic protease, cellulase, glycase etc. tea seed have been carried out aqueous enzymatic extraction; Patent 200610031452.1 adopts physical low-temperature cold-squeezing to produce tea-seed oil.Aqueous enzymatic method, cold-press and water are on the low side for the oil yield of legal system extracting tea seed oil at present, have restricted its application in industry.
Microwave bulking is a heat characteristic of having utilized microwave, and during microwave heating, the hydrofuge of material and heat migratory direction, heat transfer direction, vp migratory direction are all consistent, promptly by the inner surface of pointing to of material.Because such characteristic helps the generation and the accumulation of material steam inside, microwave heating speed is fast, and material internal gas temperature sharply rises; Material heats up very fast, and the formation speed of steam inside is higher than the rate of migration of steam, and the vapour pressure gradient appears in material; The ability to bear that surpasses structure of fibrous tissue intensity when pressure; Cell rupture, and oily corpusculum break (especially under the condition that swelling agents such as ethanol, ammonium hydrogencarbonate, sodium hydrogencarbonate exist) in the cell like 10% (V/V) ethanol and the composite use of 2% (W/V) ammonium hydrogencarbonate; Therefore oil plant such as microwave bulking pre-treatment camellia seed kernel helps improving the oil yield that postorder is produced edible oil such as tea-seed oil.
Summary of the invention
For overcoming the above-mentioned shortcoming of prior art, the present invention provides a kind of and has that technological process is simple, less investment and be easy to the method
of the Microwave Pretreatment ethanolic soln lixiviate edible oil of suitability for industrialized production.
The present invention solves the technological method that its technical problem adopts: a kind of method of microwave bulking pre-treatment ethanolic soln lixiviate edible oil, and its process step is:
The first step: the camellia seed kernel oil plant of getting a certain amount of camellia seed kernel oil plant or crossing through the high temperature parch; Carry out fragmentation; Adding 0～90% concentration (V/V) ethanol, 0～5% concentration (W/V) ammonium hydrogencarbonate or sodium hydrogencarbonate swelling agent soaks; Obtain camellia seed kernel oil plant slag, or after ultrasonication, obtain camellia seed kernel oil plant slag after separating soaking solution again;
The second step microwave bulking handling oil tea seed kernel oil plant slurries: will the above-mentioned camellia seed kernel oil plant slurries that obtain place the vacuum or the atmospheric pressure microwave puffing equipment of certain power, the processing regular hour, obtain the camellia seed kernel oil plant slag of microwave bulking;
The 3rd step was got a certain amount of microwave bulking camellia seed kernel oil plant slag, and adding concentration is the high concentration ethanol solution of 70～95% (V/V), homogenate; 20～90 ℃ of heating in water bath 0.5～3 hour; Make that grease fully separates with non-grease material in the oil plant slag, and to make pure soluble substance in the camellia seed kernel oil plant slag get into concentration be in the high concentration ethanol solution of 70～95% (V/V), after the static layering; Isolate upper strata high concentration ethanol solution; Adding concentration once more is the high concentration ethanol solution repetition aforesaid operations of 70～95% (V/V), and lower floor's camellia seed kernel oil plant slag is isolated in repetitive operation 2～3 times at last; Wherein oil droplet is distributed in the camellia seed kernel oil plant slag; Or before adding high concentration ethanol solution, in camellia seed kernel oil plant slag, add earlier a certain amount of protein enzyme, cellulase, polygalacturonase and/or glycase enzyme liquid infiltration oil plant slag and carry out enzymolysis processing, and then add above-mentioned high concentration ethanol solution.
The 4th step added entry in lower floor contains the camellia seed kernel oil plant slag of high concentration ethanol solution or be satiated with food salt solution or concentration are the low-concentration ethanol solution of 10～50% (V/V); Make that the ethanolic soln ultimate density is controlled at below 55% in the camellia seed kernel oil plant slag; Assisted heating in water bath 0.5～3 hour at 20～90 ℃ of heating in water bath 0.5～3 hour or employing UW; Make grease floating oil reservoir that forms from camellia seed kernel oil plant slag; The centre is the low-concentration ethanol solution layer, and lower floor is a camellia seed kernel oil plant slag blanket;
The 5th step was separated the upper strata oil reservoir, with phosphide enzyme enzymatic degumming after-filtration, or direct filtration, vacuum hydro-extraction is dry then, obtains oil and fat product.
The broken granularity of said camellia seed kernel oil plant ground-slag is 60 orders～400 orders.
Said swelling agent adopts ethanol, ammonium hydrogencarbonate, sodium hydrogencarbonate and composite, and its alcohol concn scope is 0～90% (V/V), and ammonium hydrogencarbonate, sodium hydrogencarbonate concentration range are respectively 0～5% (W/V).
It is low-concentration ethanol solution and 0.5～5% (W/V) ammonium hydrogencarbonate, the composite use of sodium hydrogencarbonate of 10%～50% (V/V) that said swelling agent adopts concentration.
Said microwave bulking power is 300～60000W, and the microwave bulking time is 1min～15min.
Said high concentration ethanol concentration is 70～95% (V/V); Low-concentration ethanol concentration is 55% (V/V); Below; Lixiviate solid-to-liquid ratio scope is 1:3～1:20,1～200 rev/min of stirring velocity, and churning time 30～180 minutes, temperature are controlled at 30～90 ℃ of scopes.
Described oil plant comprises tea seed, Fructus oleae europaeae, peanut, Semen Brassicae campestris, sunflower seeds, Wood of Shinyleaf Yellowhorn, sesame and/or walnut.
The invention has the beneficial effects as follows: under the situation of ethanol and ammonium hydrogencarbonate or ethanol and the composite use of sodium hydrogencarbonate, can reduce consumption of ethanol, improve oil plant microwave bulking effect, help improving the oil yield of postorder processing; Oil plant slag homogenate such as the ethanolic soln of use high density and camellia seed kernel earlier; Can realize that the grease in the oil plant slag fully separates with non-grease material; Help improving the oil yield of postorder processing; And can remove the coloring matter in the oil plant slags such as camellia seed kernel, help obtaining subdiaphanous grease, also can obtain materials such as highly purified tea saponin from the high concentration ethanol solution separating; Use low-concentration ethanol solution to help grease and from the oil plant residue, float, do not form emulsion layer, realize the sharp separation of grease and non-grease material; The production technique that belongs to green safety after the oil plant Microwave Pretreatment with ethanolic soln lixiviate grease; The present invention has that process is simple, less investment and be easy to the characteristics of suitability for industrialized production.
Description of drawings
Fig. 1 is a technological process block-diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Referring to Fig. 1,A kind of method of microwave bulking pre-treatment ethanolic soln lixiviate edible oil, its process step is:
The first step: the camellia seed kernel oil plant of getting a certain amount of camellia seed kernel oil plant or crossing through the high temperature parch; Carry out fragmentation; Adding 0～90% concentration (V/V) ethanol, 0～5% concentration (W/V) ammonium hydrogencarbonate or sodium hydrogencarbonate swelling agent soaks; After obtaining camellia seed kernel oil plant slag or ultrasonication, obtain camellia seed kernel oil plant slag after separating soaking solution again;
The second step microwave bulking handling oil tea seed kernel oil plant slurries: will the above-mentioned camellia seed kernel oil plant slurries that obtain place the vacuum or the atmospheric pressure microwave puffing equipment of certain power, the processing regular hour, obtain the camellia seed kernel oil plant slag of microwave bulking;
The 3rd step was got a certain amount of microwave bulking camellia seed kernel oil plant slag, and adding concentration is the high concentration ethanol solution of 70～95% (V/V), homogenate; 20～90 ℃ of heating in water bath 0.5～3 hour, make that grease fully separates with non-grease material in the oil plant slag, and to make pure soluble substance in the camellia seed kernel oil plant slag get into concentration be in the high concentration ethanol solution of 70～95% (V/V); After the static layering; Isolate upper strata high concentration ethanol solution, adding concentration once more is the high concentration ethanol solution repetition aforesaid operations of 70～95% (V/V), repetitive operation 2～3 times; Isolate lower floor's camellia seed kernel oil plant slag at last, wherein oil droplet is distributed in the camellia seed kernel oil plant slag; Also can before add high concentration ethanol solution, in camellia seed kernel oil plant slag, add earlier a certain amount of protein enzyme, cellulase, polygalacturonase and/or glycase enzyme liquid infiltration oil plant slag and carry out enzymolysis processing, and then add above-mentioned high concentration ethanol solution;
The 4th step added entry in lower floor contains the camellia seed kernel oil plant slag of high concentration ethanol solution or be satiated with food salt solution or concentration are the low-concentration ethanol solution of 10～50% (V/V); Make that the ethanolic soln ultimate density is controlled at below 55% in the camellia seed kernel oil plant slag; Assisted heating in water bath 0.5～3 hour at 20～90 ℃ of heating in water bath 0.5～3 hour or employing UW; Make grease floating oil reservoir that forms from camellia seed kernel oil plant slag; The centre is the low-concentration ethanol solution layer, and lower floor is a camellia seed kernel oil plant slag blanket;
The 5th step was separated the upper strata oil reservoir, with phosphide enzyme enzymatic degumming after-filtration, or direct filtration, vacuum hydro-extraction is dry then, obtains grease, and low-concentration ethanol solution is reusable.
The broken granularity of said camellia seed kernel oil plant ground-slag is 60 orders～400 orders.
Said swelling agent adopts ethanol, ammonium hydrogencarbonate, sodium hydrogencarbonate and composite, and its alcohol concn scope is 0～90% (V/V), and ammonium hydrogencarbonate, sodium hydrogencarbonate concentration range are respectively 0～5% (W/V).
It is low-concentration ethanol solution and 0.5～5% (W/V) ammonium hydrogencarbonate, the composite use of sodium hydrogencarbonate of 10%～50% (V/V) that said swelling agent adopts concentration.
Said microwave bulking power is 300～60000W, and the microwave bulking time is 1min～15min.
Said high concentration ethanol concentration is 70～95% (V/V); Low-concentration ethanol concentration is 55% (V/V); Below; Lixiviate solid-to-liquid ratio scope is 1:3～1:20,1～200 rev/min of stirring velocity, and churning time 30～180 minutes, temperature are controlled at 30～90 ℃ of scopes.
Described oil plant comprises tea seed, Fructus oleae europaeae, peanut, Semen Brassicae campestris, sunflower seeds, Wood of Shinyleaf Yellowhorn, sesame and/or walnut.
Embodiment 1: take by weighing microwave bulking pre-treatment tea seed slag 10 grams, add 90% ethanolic soln 100ml, homogenate; 60 ℃ of heating in water bath stirred 1 hour, removed upper strata 90% ethanolic soln, in lower floor's tea seed slag, added 90% ethanolic soln 50ml once more; 60 ℃ of heating in water bath stirred 1 hour, removed upper strata 90% ethanolic soln, in lower floor's tea seed slag, added 40% ethanolic soln; Make that the ethanol final concentration is about 50% in lower floor's tea seed slag, 60 ℃ of heating in water bath stirred static placement 1 hour; Get upper strata edible vegetable oil, can obtain camellia seed oil 4.9 grams.
Embodiment 2: take by weighing microwave bulking pre-treatment tea seed slag 10.2 grams, add 90% ethanolic soln 100ml, homogenate; 60 ℃ of heating in water bath stirred 1 hour, removed upper strata 90% ethanolic soln, in lower floor's tea seed slag, added 90% ethanolic soln 50ml once more; 60 ℃ of heating in water bath stirred 1 hour, removed upper strata 90% ethanolic soln, in lower floor's tea seed slag, added saturated aqueous common salt; Make that the ethanol final concentration is about 50% in lower floor's tea seed slag, 60 ℃ of heating in water bath stirred static placement 1 hour; Get upper strata edible vegetable oil, can obtain camellia seed oil 5 grams.
Embodiment 3: take by weighing microwave bulking pre-treatment tea seed slag 10.1 grams, add 80% ethanolic soln 100ml, homogenate; 50 ℃ of heating in water bath stirred 1 hour, removed upper strata 80% ethanolic soln, in lower floor's tea seed slag, added 80% ethanolic soln 30ml once more; 50 ℃ of heating in water bath stirred 1 hour, removed upper strata 80% ethanolic soln, in lower floor's tea seed slag, added 30% ethanolic soln; Make that the ethanol final concentration is about 40% in lower floor's tea seed slag, 50 ℃ of heating in water bath stirred static placement 1 hour; Get upper strata edible vegetable oil, can obtain camellia seed oil 4.7 grams.
Embodiment 4: take by weighing microwave bulking pre-treatment tea seed slag 10.1 grams, adding 15ml concentration is 2% (V/V) proteolytic enzyme enzyme liquid, and 50 ℃ of temperature were bathed 1 hour, and then added 95% ethanolic soln 100ml; Homogenate, 50 ℃ of heating in water bath stirred 1 hour, removed upper strata 95% ethanolic soln; In lower floor's tea seed slag, add 95% ethanolic soln 30ml once more, 50 ℃ of heating in water bath stirred 1 hour, removed upper strata 95% ethanolic soln; In lower floor's tea seed slag, add 40% ethanolic soln, make that the ethanol final concentration is about 50% in lower floor's tea seed slag, 50 ℃ of heating in water bath stirred 1 hour; Upper strata edible vegetable oil is got in static placement, can obtain camellia seed oil 5.2 grams.
Oil plant in the foregoing description also comprises tea seed, Fructus oleae europaeae, peanut, Semen Brassicae campestris, sunflower seeds, Wood of Shinyleaf Yellowhorn, sesame and/or walnut.
The present invention can reduce consumption of ethanol under the situation of ethanol and ammonium hydrogencarbonate or ethanol and the composite use of sodium hydrogencarbonate, improve oil plant microwave bulking effect, helps improving the oil yield of postorder processing; Oil plant slag homogenate such as the ethanolic soln of use high density and camellia seed kernel earlier; Can realize that the grease in the oil plant slag fully separates with non-grease material; Help improving the oil yield of postorder processing; And can remove the coloring matter in the oil plant slags such as camellia seed kernel, help obtaining subdiaphanous grease, also can obtain materials such as highly purified tea saponin from the high concentration ethanol solution separating; Use low-concentration ethanol solution to help grease and from the oil plant residue, float, do not form emulsion layer, realize the sharp separation of grease and non-grease material; The production technique that belongs to green safety after the oil plant Microwave Pretreatment with ethanolic soln lixiviate grease; The present invention has that process is simple, less investment and be easy to the characteristics of suitability for industrialized production.
Claims (7)
1. the method for a microwave bulking pre-treatment ethanolic soln lixiviate edible oil is characterized in that process step is:
The first step: the camellia seed kernel oil plant of getting a certain amount of camellia seed kernel oil plant or crossing through the high temperature parch; Carry out fragmentation; Adding 0～90% concentration (V/V) ethanol, 0～5% concentration (W/V) ammonium hydrogencarbonate or sodium hydrogencarbonate swelling agent soaks; Obtain camellia seed kernel oil plant slag, or after ultrasonication, obtain camellia seed kernel oil plant slag after separating soaking solution again;
The second step microwave bulking handling oil tea seed kernel oil plant slurries: will the above-mentioned camellia seed kernel oil plant slurries that obtain place the vacuum or the atmospheric pressure microwave puffing equipment of certain power, the processing regular hour, obtain the camellia seed kernel oil plant slag of microwave bulking;
The 3rd step was got a certain amount of microwave bulking camellia seed kernel oil plant slag, and adding concentration is the high concentration ethanol solution of 70～95% (V/V), homogenate; 20～90 ℃ of heating in water bath 0.5～3 hour; Make that grease fully separates with non-grease material in the oil plant slag, and to make pure soluble substance in the camellia seed kernel oil plant slag get into concentration be in the high concentration ethanol solution of 70～95% (V/V), after the static layering; Isolate upper strata high concentration ethanol solution; Adding concentration once more is the high concentration ethanol solution repetition aforesaid operations of 70～95% (V/V), and lower floor's camellia seed kernel oil plant slag is isolated in repetitive operation 2～3 times at last; Wherein oil droplet is distributed in the camellia seed kernel oil plant slag; Or before adding high concentration ethanol solution, in camellia seed kernel oil plant slag, add earlier a certain amount of protein enzyme, cellulase, polygalacturonase and/or glycase enzyme liquid infiltration oil plant slag and carry out enzymolysis processing, and then add above-mentioned high concentration ethanol solution;
The 4th step added entry in lower floor contains the camellia seed kernel oil plant slag of high concentration ethanol solution or be satiated with food salt solution or concentration are the low-concentration ethanol solution of 10～50% (V/V); Make that the ethanolic soln ultimate density is controlled at below 55% in the camellia seed kernel oil plant slag; Assisted heating in water bath 0.5～3 hour at 20～90 ℃ of heating in water bath 0.5～3 hour or employing UW; Make grease floating oil reservoir that forms from camellia seed kernel oil plant slag; The centre is the low-concentration ethanol solution layer, and lower floor is a camellia seed kernel oil plant slag blanket;
The 5th step was separated the upper strata oil reservoir, with phosphide enzyme enzymatic degumming after-filtration, or direct filtration, vacuum hydro-extraction is dry then, obtains oil and fat product.
2. the method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil according to claim 1, it is characterized in that: the broken granularity of said camellia seed kernel oil plant ground-slag is 60 orders～400 orders.
3. the method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil according to claim 1; It is characterized in that: said swelling agent adopts ethanol, ammonium hydrogencarbonate, sodium hydrogencarbonate and composite; Its alcohol concn scope is 0～90% (V/V), and ammonium hydrogencarbonate, sodium hydrogencarbonate concentration range are respectively 0～5% (W/V).
4. like the method for claim 1 or 3 said microwave bulking pre-treatment ethanolic soln lixiviate edible oils, it is characterized in that: it is low-concentration ethanol solution and 0.5～5% (W/V) ammonium hydrogencarbonate, the composite use of sodium hydrogencarbonate of 10%～50% (V/V) that said swelling agent adopts concentration.
5. the method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil according to claim 1, it is characterized in that: said microwave bulking power is 300～60000W, the microwave bulking time is 1min～15min.
6. the method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil according to claim 1, it is characterized in that: said high concentration ethanol concentration is 70～95% (V/V); Low-concentration ethanol concentration is 55% (V/V); Below; Lixiviate solid-to-liquid ratio scope is 1:3～1:20,1～200 rev/min of stirring velocity, and churning time 30～180 minutes, temperature are controlled at 30～90 ℃ of scopes.
7. the method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil according to claim 1, it is characterized in that: described oil plant comprises tea seed, Fructus oleae europaeae, peanut, Semen Brassicae campestris, sunflower seeds, Wood of Shinyleaf Yellowhorn, sesame and/or walnut.
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| CN102816632A (en) * | 2012-09-10 | 2012-12-12 | 韶关学院 | Method for digesting grease through microwave pretreatment and aqueous enzymatic method |
| CN103614234A (en) * | 2013-12-12 | 2014-03-05 | 酉阳县康友粮油有限公司 | Rapeseed pre-pressing technology |
| CN103695154A (en) * | 2013-12-13 | 2014-04-02 | 广西科技大学 | Grease squeezing pretreatment agent for full peanuts |
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| CN104928018A (en) * | 2015-06-30 | 2015-09-23 | 东莞市健来福实业投资有限公司 | Method for extracting tea-seed oil by microwave expansion assisted biological enzymolysis |
| CN106889173A (en) * | 2017-02-06 | 2017-06-27 | 武汉轻工大学 | A kind of Shell of Water Chestnut chromocor extract with bacteriostatic activity and its preparation method and application |
| CN111234916A (en) * | 2020-01-20 | 2020-06-05 | 中国农业科学院油料作物研究所 | Method for automatically squeezing and selling high-quality edible oil |
| CN114643735A (en) * | 2022-03-07 | 2022-06-21 | 安陆市天星粮油机械设备有限公司 | Production method of flavor oil material |
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| CN102816632A (en) * | 2012-09-10 | 2012-12-12 | 韶关学院 | Method for digesting grease through microwave pretreatment and aqueous enzymatic method |
| CN103614234A (en) * | 2013-12-12 | 2014-03-05 | 酉阳县康友粮油有限公司 | Rapeseed pre-pressing technology |
| CN103695154A (en) * | 2013-12-13 | 2014-04-02 | 广西科技大学 | Grease squeezing pretreatment agent for full peanuts |
| CN103695154B (en) * | 2013-12-13 | 2015-07-08 | 广西科技大学 | Grease squeezing pretreatment agent for full peanuts |
| CN103820215A (en) * | 2014-03-12 | 2014-05-28 | 韶关学院 | Oil processing method |
| CN104928018A (en) * | 2015-06-30 | 2015-09-23 | 东莞市健来福实业投资有限公司 | Method for extracting tea-seed oil by microwave expansion assisted biological enzymolysis |
| CN104928018B (en) * | 2015-06-30 | 2016-07-06 | 东莞市健来福实业投资股份有限公司 | The method that microwave bulking auxiliary biological enzymolysis extracts Oleum Camelliae |
| CN106889173A (en) * | 2017-02-06 | 2017-06-27 | 武汉轻工大学 | A kind of Shell of Water Chestnut chromocor extract with bacteriostatic activity and its preparation method and application |
| CN111234916A (en) * | 2020-01-20 | 2020-06-05 | 中国农业科学院油料作物研究所 | Method for automatically squeezing and selling high-quality edible oil |
| CN111234916B (en) * | 2020-01-20 | 2023-08-04 | 中国农业科学院油料作物研究所 | Method for automatically squeezing and selling high-quality edible oil |
| CN114643735A (en) * | 2022-03-07 | 2022-06-21 | 安陆市天星粮油机械设备有限公司 | Production method of flavor oil material |
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