CN102643715B - 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, also claims one of the camellia seed ，Shi world four large woody oleiferous plants, is mainly distributed in unique oil resource of Chinese ，Shi China.In tea seed, contain two kinds of main useful components, the one, tea oil, the 2nd, tea saponin.
Tea-seed oil with sweet oil and be called the large woody edible oil in the world two, has the title of " treasure in oil " from ancient times.Through Chinese Center for Disease Control check, confirm, the quality of tea oil is better than west sweet oil, and high-grade refining tea oil is compared with sweet oil, and nutrition and health care quality is higher.Sweet oil is containing unsaturated fatty acids 75%～90%, and the unsaturated fatty acid content of tea oil is up to 85%～97%, is the hat of various edible oils.
Current tea oil manufacturing enterprise generally adopts squeezing, then leaches and extracts tea oil technique, and the tea oil that adopts this technique to obtain is second-rate.In order to obtain high-quality tea oil, patent CN200610031893.1, CN200810059993.4 application aspartic protease, cellulase, amylase etc. have carried out aqueous enzymatic extraction to tea seed; Patent 200610031452.1 adopts physical low-temperature cold-squeezing to produce tea-seed oil.It is on the low side that at present aqueous enzymatic method, cold-press and water substitution are produced the oil yield of tea-seed oil, restricted it in industrial application.
Microwave bulking is the heat characteristic of having utilized microwave, and during microwave heating, the hydrofuge of material and Heat Migration in Unsaturated direction, heat transfer direction, vapour pressure migratory direction are all consistent, by the inner surface of pointing to of material.Because such characteristic is conducive to generation and the accumulation of material steam inside, microwave heating speed is fast, material internal gas temperature sharply rises, material heats up very fast, the formation speed of steam inside is higher than the rate of migration of steam, there is vapour pressure gradient in material, when the ability to bear of pressure over structure of fibrous tissue intensity, cell rupture, and in cell, oily corpusculum breaks (especially at ethanol, ammonium hydrogencarbonate, under the condition that the swelling agents such as sodium bicarbonate exist, as 10%(V/V) ethanol and 2%(W/V) the composite use of ammonium hydrogencarbonate), therefore the oil plant such as microwave bulking pre-treatment camellia seed kernel, be conducive to improve the oil yield that postorder is produced the edible oils such as tea-seed oil.
Summary of the invention
For overcoming the above-mentioned shortcoming of prior art, the invention provides a kind ofly have that technological process is simple, less investment and be easy to the method for 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 processing 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 high temperature parch, carry out fragmentation, add 0～90% concentration (V/V) ethanol, 0～5% concentration (W/V) ammonium hydrogencarbonate or sodium bicarbonate swelling agent to soak, obtain camellia seed kernel oil plant slag, or after ultrasonication, then after separation soaking solution, obtain camellia seed kernel oil plant slag;
Second step microwave bulking is processed camellia seed kernel oil plant slurries: camellia seed kernel oil plant slurries obtained above are placed in to vacuum or the atmospheric pressure microwave puffing equipment of certain power, process the regular hour, obtain the camellia seed kernel oil plant slag of microwave bulking;
The 3rd step is got a certain amount of microwave bulking camellia seed kernel oil plant slag, adding concentration is 70～95%(V/V) high concentration ethanol solution, homogenate, 20～90 ℃ of heating in water bath 0.5～3 hour, make in oil plant slag grease fully separated with non-grease material, and to make alcohol soluble substance in camellia seed kernel oil plant slag enter concentration be 70～95%(V/V) high concentration ethanol solution in, after static layering, isolate upper strata high concentration ethanol solution, again adding concentration is 70～95%(V/V) high concentration ethanol solution repeat aforesaid operations, repetitive operation 2～3 times, finally isolate lower floor's camellia seed kernel oil plant slag, wherein oil droplet is distributed in camellia seed kernel oil plant slag, or before adding high concentration ethanol solution, first in camellia seed kernel oil plant slag, add a certain amount of protease, cellulase, polygalacturonase and/or amylase enzyme immersion profit oil plant slag carry out enzymolysis processing, and then add above-mentioned high concentration ethanol solution.
Si Bu lower floor is containing adding water in the camellia seed kernel oil plant slag of high concentration ethanol solution or be satiated with food salt solution or concentration are 10～50%(V/V) low-concentration ethanol solution, ethanolic soln ultimate density in camellia seed kernel oil plant slag is controlled at below 55%, at 20～90 ℃ of heating in water bath 0.5～3 hour or employing ultrasonic wave, assist heating in water bath 0.5～3 hour, make grease floating oil reservoir that forms from camellia seed kernel oil plant slag, centre is low-concentration ethanol solution layer, and lower floor is camellia seed kernel oil plant slag blanket;
The separated upper strata of the 5th step oil reservoir, with filtering after phosphide enzyme enzymatic degumming, or direct filtration, then vacuum hydro-extraction is dry, obtains oil and fat product.
The broken granularity of described camellia seed kernel oil plant ground-slag is 60 order～400 orders.
Described swelling agent adopts ethanol, ammonium hydrogencarbonate, sodium bicarbonate and composite, and its alcohol concn scope is 0～90%(V/V), ammonium hydrogencarbonate, sodium bicarbonate concentration range are respectively 0～5%(W/V).
It is 10%～50%(V/V that described swelling agent adopts concentration) low-concentration ethanol solution and 0.5～5%(W/V) ammonium hydrogencarbonate, the composite use of sodium bicarbonate.
Described microwave bulking power is 300～60000W, and the microwave bulking time is 1min～15min.
Described 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 is 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: the in the situation that of ethanol and ammonium hydrogencarbonate or ethanol and the composite use of sodium bicarbonate, can reduce the consumption of ethanol, improve oil plant microwave bulking effect, be conducive to improve the oil yield of postorder processing; First use the oil plant slag homogenate such as the ethanolic soln of high density and camellia seed kernel, the grease that can realize in oil plant slag is fully separated with non-grease material, be conducive to improve the oil yield of postorder processing, and can remove the coloring matter in the oil plant slags such as camellia seed kernel, be conducive to obtain subdiaphanous grease, also can obtain the materials such as highly purified tea saponin from high concentration ethanol solution separating; The ethanolic soln of use lower concentration is conducive to grease and floats from oil plant residue, does not form emulsion layer, realizes the sharp separation of grease and non-grease material; After oil plant Microwave Pretreatment, with ethanolic soln lixiviate grease, belong to the production technique of green safety; The present invention has that process is simple, less investment and be easy to the feature of suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is technological process block-diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
referring to Fig. 1,a method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil, its processing 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 high temperature parch, carry out fragmentation, add 0～90% concentration (V/V) ethanol, 0～5% concentration (W/V) ammonium hydrogencarbonate or sodium bicarbonate swelling agent to soak, obtain after camellia seed kernel oil plant slag or ultrasonication, then after separation soaking solution, obtain camellia seed kernel oil plant slag;
Second step microwave bulking is processed camellia seed kernel oil plant slurries: camellia seed kernel oil plant slurries obtained above are placed in to vacuum or the atmospheric pressure microwave puffing equipment of certain power, process the regular hour, obtain the camellia seed kernel oil plant slag of microwave bulking;
The 3rd step is got a certain amount of microwave bulking camellia seed kernel oil plant slag, adding concentration is 70～95%(V/V) high concentration ethanol solution, homogenate, 20～90 ℃ of heating in water bath 0.5～3 hour, make in oil plant slag grease fully separated with non-grease material, and to make alcohol soluble substance in camellia seed kernel oil plant slag enter concentration be 70～95%(V/V) high concentration ethanol solution in, after static layering, isolate upper strata high concentration ethanol solution, again adding concentration is 70～95%(V/V) high concentration ethanol solution repeat aforesaid operations, repetitive operation 2～3 times, finally isolate lower floor's camellia seed kernel oil plant slag, wherein oil droplet is distributed in camellia seed kernel oil plant slag, also can, before adding high concentration ethanol solution, first in camellia seed kernel oil plant slag, add a certain amount of protease, cellulase, polygalacturonase and/or amylase enzyme immersion profit oil plant slag and carry out enzymolysis processing, and then add above-mentioned high concentration ethanol solution,
Si Bu lower floor is containing adding water in the camellia seed kernel oil plant slag of high concentration ethanol solution or be satiated with food salt solution or concentration are 10～50%(V/V) low-concentration ethanol solution, ethanolic soln ultimate density in camellia seed kernel oil plant slag is controlled at below 55%, at 20～90 ℃ of heating in water bath 0.5～3 hour or employing ultrasonic wave, assist heating in water bath 0.5～3 hour, make grease floating oil reservoir that forms from camellia seed kernel oil plant slag, centre is low-concentration ethanol solution layer, and lower floor is camellia seed kernel oil plant slag blanket;
The separated upper strata of the 5th step oil reservoir, with filtering after phosphide enzyme enzymatic degumming, or direct filtration, then vacuum hydro-extraction is dry, obtains grease, and low-concentration ethanol solution is reusable.
The broken granularity of described camellia seed kernel oil plant ground-slag is 60 order～400 orders.
Described swelling agent adopts ethanol, ammonium hydrogencarbonate, sodium bicarbonate and composite, and its alcohol concn scope is 0～90%(V/V), ammonium hydrogencarbonate, sodium bicarbonate concentration range are respectively 0～5%(W/V).
It is 10%～50%(V/V that described swelling agent adopts concentration) low-concentration ethanol solution and 0.5～5%(W/V) ammonium hydrogencarbonate, the composite use of sodium bicarbonate.
Described microwave bulking power is 300～60000W, and the microwave bulking time is 1min～15min.
Described 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 is 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 10 grams of microwave bulking pre-treatment tea seed slags, add 90% ethanolic soln 100ml, homogenate, 60 ℃ of heating in water bath stir 1 hour, remove upper strata 90% ethanolic soln, in lower floor's tea seed slag, again add 90% ethanolic soln 50ml, 60 ℃ of heating in water bath stir 1 hour, going to add ethanol final concentration in 40% ethanolic soln ，Shi lower floor tea seed slag in the 90% ethanolic soln ， lower floor tea seed slag of upper strata is 50% left and right, 60 ℃ of heating in water bath stir 1 hour, static placement, gets upper strata edible vegetable oil, can obtain 4.9 grams of camellia seed oils.
Embodiment 2: take 10.2 grams of microwave bulking pre-treatment tea seed slags, add 90% ethanolic soln 100ml, homogenate, 60 ℃ of heating in water bath stir 1 hour, remove upper strata 90% ethanolic soln, in lower floor's tea seed slag, again add 90% ethanolic soln 50ml, 60 ℃ of heating in water bath stir 1 hour, going to add ethanol final concentration in saturated aqueous common salt ，Shi lower floor tea seed slag in the 90% ethanolic soln ， lower floor tea seed slag of upper strata is 50% left and right, 60 ℃ of heating in water bath stir 1 hour, static placement, gets upper strata edible vegetable oil, can obtain 5 grams of camellia seed oils.
Embodiment 3: take 10.1 grams of microwave bulking pre-treatment tea seed slags, add 80% ethanolic soln 100ml, homogenate, 50 ℃ of heating in water bath stir 1 hour, remove upper strata 80% ethanolic soln, in lower floor's tea seed slag, again add 80% ethanolic soln 30ml, 50 ℃ of heating in water bath stir 1 hour, going to add ethanol final concentration in 30% ethanolic soln ，Shi lower floor tea seed slag in the 80% ethanolic soln ， lower floor tea seed slag of upper strata is 40% left and right, 50 ℃ of heating in water bath stir 1 hour, static placement, gets upper strata edible vegetable oil, can obtain 4.7 grams of camellia seed oils.
Embodiment 4: take 10.1 grams of microwave bulking pre-treatment tea seed slags, adding 15ml concentration is 2%(V/V) proteolytic enzyme enzyme liquid, 50 ℃ of temperature are bathed 1 hour, and then add 95% ethanolic soln 100ml, homogenate, 50 ℃ of heating in water bath stir 1 hour, remove upper strata 95% ethanolic soln, in lower floor's tea seed slag, again add 95% ethanolic soln 30ml, 50 ℃ of heating in water bath stir 1 hour, remove upper strata 95% ethanolic soln, in lower floor's tea seed slag, add 40% ethanolic soln, making ethanol final concentration in lower floor's tea seed slag is 50% left and right, 50 ℃ of heating in water bath stir 1 hour, static placement, get upper strata edible vegetable oil, can obtain 5.2 grams of camellia seed oils.
Oil plant in above-described embodiment also comprises tea seed, Fructus oleae europaeae, peanut, Semen Brassicae campestris, sunflower seeds, Wood of Shinyleaf Yellowhorn, sesame and/or walnut.
The present invention, the in the situation that of ethanol and ammonium hydrogencarbonate or ethanol and the composite use of sodium bicarbonate, can reduce the consumption of ethanol, improves oil plant microwave bulking effect, is conducive to improve the oil yield of postorder processing; First use the oil plant slag homogenate such as the ethanolic soln of high density and camellia seed kernel, the grease that can realize in oil plant slag is fully separated with non-grease material, be conducive to improve the oil yield of postorder processing, and can remove the coloring matter in the oil plant slags such as camellia seed kernel, be conducive to obtain subdiaphanous grease, also can obtain the materials such as highly purified tea saponin from high concentration ethanol solution separating; The ethanolic soln of use lower concentration is conducive to grease and floats from oil plant residue, does not form emulsion layer, realizes the sharp separation of grease and non-grease material; After oil plant Microwave Pretreatment, with ethanolic soln lixiviate grease, belong to the production technique of green safety; The present invention has that process is simple, less investment and be easy to the feature of suitability for industrialized production.
Claims (2)
1. a method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil, is characterized in that processing step is:
The first step:
get a certain amount of camellia seed kernel oil plant, carry out fragmentation,
add concentration be greater than 0 and be not more than 90%(V/V) ethanol and/or be greater than 0 and the alkaline solution that is not more than 5% concentration (W/V) as swelling agent, soak, obtain camellia seed kernel oil plant slag, or after ultrasonication, then after separation soaking solution, obtain camellia seed kernel oil plant slag; Wherein said alkaline solution is
ammonium bicarbonate soln or sodium hydrogen carbonate solution;
Second step microwave bulking is processed camellia seed kernel oil plant slag: camellia seed kernel oil plant slag obtained above is placed in to microwave bulking
power is 300～60000Wvacuum or atmospheric pressure microwave puffing equipment in,
the microwave bulking time is 1min～15min, obtain the camellia seed kernel oil plant slag of microwave bulking;
The 3rd step is got a certain amount of microwave bulking camellia seed kernel oil plant slag, adding concentration is 70～95%(V/V) high concentration ethanol solution, homogenate, 20～90 ℃ of heating in water bath 0.5～3 hour, make in oil plant slag grease fully separated with non-grease material, and to make alcohol soluble substance in camellia seed kernel oil plant slag enter concentration be 70～95%(V/V) high concentration ethanol solution in, after static layering, isolate upper strata high concentration ethanol solution, again adding concentration is 70～95%(V/V) high concentration ethanol solution repeat aforesaid operations, repetitive operation 2～3 times, finally isolate lower floor's camellia seed kernel oil plant slag, wherein oil droplet is distributed in camellia seed kernel oil plant slag, or before adding high concentration ethanol solution, first in camellia seed kernel oil plant slag, add a certain amount of protease, cellulase, polygalacturonase and/or amylase enzyme immersion profit oil plant slag carry out enzymolysis processing, and then add above-mentioned high concentration ethanol solution,
Si Bu lower floor is 10～50%(V/V containing adding water or saturated aqueous common salt or concentration in the camellia seed kernel oil plant slag of high concentration ethanol solution) low-concentration ethanol solution, ethanolic soln ultimate density in camellia seed kernel oil plant slag is controlled at below 55%, at 20～90 ℃ of heating in water bath 0.5～3 hour or employing ultrasonic wave, assist heating in water bath 0.5～3 hour, make grease floating oil reservoir that forms from camellia seed kernel oil plant slag, centre is low-concentration ethanol solution layer, and lower floor is camellia seed kernel oil plant slag blanket;
The separated upper strata of the 5th step oil reservoir, with filtering after phosphide enzyme enzymatic degumming, or direct filtration, then vacuum hydro-extraction is dry, obtains oil and fat product.
2. the method for claim 1, is characterized in that: described swelling agent adopt ethanol or
ammonium bicarbonate solnor a kind of in sodium hydrogen carbonate solution.
3, method as claimed in claim 1 or 2, is characterized in that: the concentration of low-concentration ethanol solution is 10%～50%(V/V),
ammonium bicarbonate soln, sodium hydrogen carbonate solution concentration be 0.5～5%(W/V).
4, the method for microwave bulking pre-treatment ethanolic soln lixiviate edible oil as claimed in claim 1, is characterized in that: with Fructus oleae europaeae, peanut, Semen Brassicae campestris, sunflower seeds, Wood of Shinyleaf Yellowhorn, sesame and/or walnut, replace in claim 1
camellia seed kernel oil plant.
5, the method for claim 1, is characterized in that: described
the camellia seed kernel oil plant of camellia seed kernel oil plant for crossing through high temperature parch.
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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 |
| 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 |
| 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 |
| 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 |
| CN114643735B (en) * | 2022-03-07 | 2023-06-13 | 安陆市天星粮油机械设备有限公司 | Method for producing flavor oil |
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| CN101628925B (en) * | 2009-06-25 | 2013-04-03 | 韶关学院 | Application of microwave technology in processing oil-tea camellia seeds |
| CN101967423B (en) * | 2010-11-05 | 2012-11-07 | 南昌大学 | Method for extracting tea oil by microwave-assisted aqueous enzymatic method |
| CN102311870B (en) * | 2011-08-30 | 2013-03-13 | 南昌大学 | Method for extracting tea oil, |
| CN102433218A (en) * | 2011-10-17 | 2012-05-02 | 杭州凯丽金生物科技有限公司 | Method for extracting tea seed oil by using biological process assisted by microwave puffing technology |
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