CN105038963A - Peeled pumpkin seed oil production process - Google Patents
Peeled pumpkin seed oil production process Download PDFInfo
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- CN105038963A CN105038963A CN201510492215.4A CN201510492215A CN105038963A CN 105038963 A CN105038963 A CN 105038963A CN 201510492215 A CN201510492215 A CN 201510492215A CN 105038963 A CN105038963 A CN 105038963A
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- semen cucurbitae
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Abstract
The invention provides a peeled pumpkin seed oil production process which is characterized by comprising the following steps: A airing pumpkin seeds; B adding the pumpkin seeds treated in the step A into boiled water, introducing cold water by using a hydraulic giant to wash the pumpkin seeds in a jacketed pan to remove attached peels, and repeating for many times; C steaming the pumpkin seeds treated in the step B by using a steamer; D squeezing out crude oil from the pumpkin seeds treated in the step C by using a hydraulic machine; E carrying out hyperfiltration treatment on filtered pumpkin seed oil; F carrying out ultraviolet radiation; G performing bumping treatment in vacuum at low temperature to remove odor, so as to obtain the pumpkin seed oil; The product provided by the invention is aroma in smell and unique in flavor, can be widely used for cooking various food and dishes, has relatively high nutritive value and health care effect, ensures high antioxidant active ingredients, and is specially suitable for being popularized in the technical field of a small-batch special oil production.
Description
Technical field
The present invention relates to a kind of method of producing the Semen Cucurbitae oil of decortication, art, biological and new medical technology, modern agricultural technology, agricultural-food intensive processing and modern accumulating: agriculture and forestry product and extraordinary enhance productivity are processed.
Background technology
Semen Cucurbitae (pumpkinseed) is also known as white melon seeds, and for pumpkin, (annual herb climbs climing plant, belongs to Curcurbitaceae, south
Melon belongs to.) mature seed, containing rich in protein, lipid acid and the trace quantity mineral substance element such as iron, potassium, there is clearing lung-heat, reduce phlegm, disappear the effects such as pain and diuresis, serum cholesterol and triglyceride level can not only be reduced significantly, play the effect of prevention and alleviation cardiovascular disorder, but also have and prevent and treat prostatosis, effect such as treatment parasitosis etc., domestic one side Semen Cucurbitae is extracted oil, and gets Semen Cucurbitae on the other hand and carries out frying rear edible; Semen Cucurbitae oil also enjoys favor abroad, and people not only use it for culinary art, also it can be used as protective foods to treat and prevents various disease.In Semen Cucurbitae, fat content is higher, accounts for greatly the 35%-50% of dry weight, as its abundance of by product of pumpkin, cheap and easy to get, and Semen Cucurbitae major part goes out of use, only account for only a few, so utilize Semen Cucurbitae as new edible oil plant great exploitation potential for its really for processing; Carry out fat and fatty acid content mensuration to the Semen Cucurbitae of different varieties, analytical results shows: crude fat accounts for 37.94%-59.36%; Its mid-oleic is 6.37%-25.13%, and linolic acid is 20.87%-58.10%, and unsaturated fatty acids is 28.35%-80.84%.
At present, domestic oil extracting methods concentrates on pressure sintering, solvent extration, and laboratory is commonly used Soxhlet extraction method and carried oil.The Semen Cucurbitae oil that solvent extration extracts has to pass through refining and could eat, and hot moulding refining process inevitably destroys the natural component in Semen Cucurbitae oil, reduces the nutritive value of Semen Cucurbitae oil.Cold-press can preserve the natural component in grease well, but tooling cost is higher, is uneconomic for this non-high price product of Semen Cucurbitae oil.
In order to solve Problems existing in current Semen Cucurbitae oil production process, retaining original nutritive ingredient such as Semen Cucurbitae sterol and vitamin-E in Semen Cucurbitae oil to greatest extent, reducing and avoid the formation of trans fatty acid, guarantee the nutrition of Semen Cucurbitae oil product, safety; Improve quality product and yield, reduce energy consumption and waste discharge, achieve the impairment synergy that Semen Cucurbitae oil is produced.Be badly in need of a kind of Semen Cucurbitae oil production and processing method.
Summary of the invention
The object of the present invention is to provide the decortication Semen Cucurbitae oil production method of a kind of easy, nutritive value and health care, rational technology.
Technical scheme of the present invention is achieved in that and comprises the steps:
A, airing is carried out to Semen Cucurbitae, control water ratio 3%-5%;
B, the pumpkin seed of A, process is added in the boiling water of temperature 90-100 DEG C, amount of water be the 4-10 of pumpkin seed amount doubly, soaks after 3-5 minute and hot water is discharged, draw the raspberry in cool clear water flushing jacketed kettle with hydraulic giant, remove attached skin; Repeated multiple times;
C, use food steamer to steam 10min the pumpkin seed of B, process, improve the fragrance of Semen Cucurbitae oil and oil yield;
D, the pumpkin seed hydropress of C, process is added extrusion crude oil; Pumpkin seed is made cake and puts into hydropress, often squeeze and throw cake 20-25 block, every block is about 4-6kg, equably pressurized hydraulic low pressure, when making pressure be pressed onto 110-120MPa, low pressure is transferred to high pressure, and uniform pressurization is to during 280-300MPa, during squeezing, can not be too fast, in order to avoid cake slag oozes out;
E, hyperfiltration remove lipoxygenase, select the hyperfiltration film of molecular weight cut-off 80-120kD, carry out hyperfiltration process to the Semen Cucurbitae oil after filtering;
F, uv irradiating, the Semen Cucurbitae oil after filtration flows through the irradiating unit that ultraviolet lamp is settled in top, and irradiation dose is 300-400J/m2, and irradiation time is 10-20 second;
G, cryogenic vacuum bumping remove fishy smell, and uv irradiating kills the Semen Cucurbitae oil after enzyme, is heated to 50-70 DEG C, for subsequent use; Open the heating unit of vacuum tank, in tank, temperature maintains 80-90 DEG C, start vacuum pump, the absolute pressure in vacuum tank drops to below 400Pa, opens feed valve, suck the Semen Cucurbitae oil heated, make the hot soya-bean oil moment bumping entered, remove fishy smell, control inlet amount, keep feed temperature 80-90 DEG C in vacuum tank, absolute pressure is no more than 400Pa; After charging, operational condition is constant, continues process 5-10min.
Compared with prior art the inventive method tool has the following advantages: (1) the invention provides a kind of minimizing technology of Semen Cucurbitae underwear, production for high-quality Semen Cucurbitae oil provides High quality processing raw material, facilitate the technical progress of Semen Cucurbitae secondary industry, improve added value of product; (2) the present invention is different from seed benevolence chemical constitution according to the underwear of Semen Cucurbitae, shrinks and with speed of expansion different principle, the seed benevolence of Semen Cucurbitae is separated with underwear under suddenly cold and hot condition, makes Semen Cucurbitae underwear, seed benevolence separately by roll differential fragmentation and wind-force; (3) pumpkin seed uses food steamer to steam 10min by the present invention, improves fragrance and the oil yield of Semen Cucurbitae oil; (4) the present invention utilizes physical cold Technology in Pressing, make there is no organic solvent residual in product, the crude oil color and luster that cold press simultaneously goes out is more shallow than traditional hot moulding Semen Cucurbitae oil, do not need through coming unstuck, alkali refining, decolouring, deodorization process, thus the loss such as natural nutrition VE is few, and also not producing the objectionable impuritiess such as trans fatty acid provides; (5) the present invention utilizes ultra micro membrane filtration technique, eliminates in Semen Cucurbitae oil storage process and causes rotten biotic factor; Oxygenase in Semen Cucurbitae oil, in storage process, the double bond fracture in the unsaturated fatty acids in catalyzed oxidation Semen Cucurbitae oil, produces the smell substances such as aldehyde ketone and produces, and Semen Cucurbitae oil is gone bad; Tradition hot moulding utilizes high temperature to make oxygenase deactivation; Solvent extraction method is in refining process, make oxygenase inactivation; Technique of the present invention is without heat denatured process, also do not carry out refining, and adopt ultra micro membrane filtration technique, the lipoxygenase in ultrafiltration removing Semen Cucurbitae, eliminate in Semen Cucurbitae oil storage process and cause rotten biotic factor, and the clarity simultaneously added; (5) the present invention utilizes uv irradiating technology, kills the activity of fatty oxygenase do not removed completely in hyperfiltration process, and destroys the structure of remaining aflatoxin further, reaches the object eliminated further.In order to ensure the circulation of ultrafiltration, the ultra-filtration membrane of the 80-120KD selected in technique, can remove most lipoxygenase, but can not remove completely.Remaining lipoxygenase, utilizes the uv irradiating process of low dosage, both can ensure that the quality of oil is not suffered a loss, can reduce again residual fat oxygenase further active, ensure the storage of oil.Meanwhile, utilize the wavelength of UV-light short, energy is large, when being irradiated to body surface, is easily subsequently absorbed in the material, becomes the interior energy of material, destroys the characteristic of the chemical bond of material molecule, reduces the aflatoxin content in Semen Cucurbitae oil further; (6) the present invention utilizes low-flash bumping technology, removes the peculiar smell in Semen Cucurbitae grease; Peculiar smell in Semen Cucurbitae oil derives from low molecule aldehydes in Semen Cucurbitae and free fatty acids; Tradition hot moulding technique and extraction technique, utilize heat treated and refining process, eliminate peculiar smell; Present invention process avoids the heating that is harmful to and refining treatment, utilize high vacuum low-flash technology, under Semen Cucurbitae oil being heated to the temperature of 50-70 DEG C, under being exposed to high vacuum condition immediately, make the unexpected bumping of Semen Cucurbitae oil, the aldehyde material letones of rapid removal wherein in peculiar smell, and produce the free fatty acids of peculiar smell, and ensure that nutritive substance loss is wherein little; (6) in the high-quality grease that the present invention produces, because be rich in the natural antioxidantss such as natural VE, do not need in grease storage process additionally to add oxidation inhibitor.
The invention provides the Semen Cucurbitae oil production method of decortication of a kind of easy, nutritive value and health care, rational technology, can produce for short run special oil and technical support is provided, be suitable for promoting in edible fat production technical field.
Embodiment
A kind of Semen Cucurbitae oil production technique of decortication:
A, airing is carried out to pumpkin seed, control water ratio 4%;
B, added by pumpkin seed to be peeled in the boiling water of temperature 95 DEG C, amount of water is 9 times of pumpkin seed amount, soaks after 4 minutes and is discharged by hot water, draws cool clear water and rinses raspberry in jacketed kettle, remove attached skin with hydraulic giant; Repeated multiple times;
C, food steamer is used by pumpkin seed to steam 10min;
D, pumpkin seed hydropress is added extrusion crude oil;
Pumpkin seed is made cake and puts into hydropress, often squeeze and throw cake 23 pieces, every block is about 5kg, equably pressurized hydraulic low pressure, when making pressure to 115MPa, low pressure is transferred to high pressure, uniform pressurization to during 285MPa, during squeezing, can not too soon, in order to avoid cake slag oozes out;
E, select the hyperfiltration film of suitable molecular weight cut-off 110kD, hyperfiltration process being carried out to grease, removing lipoxygenase wherein, when not adding oxidation inhibitor, the preservation period of oil can be extended; Filter after crude oil precipitation 36h, obtain processed oil;
F, uv irradiating, the Semen Cucurbitae oil after filtration flows through the irradiating unit that ultraviolet lamp is settled in top, and irradiation dose is 356J/m2, and irradiation time is 16 seconds;
G, cryogenic vacuum bumping remove fishy smell, and uv irradiating kills the Semen Cucurbitae oil after enzyme, are heated to 65 DEG C, for subsequent use; Open the heating unit of vacuum tank, in tank, temperature maintains 86 DEG C, start vacuum pump, the absolute pressure in vacuum tank drops to below 400Pa, opens feed valve, suck the Semen Cucurbitae oil heated, make the hot soya-bean oil moment bumping entered, remove fishy smell, control inlet amount, keep feed temperature 86 DEG C in vacuum tank, absolute pressure is no more than 400Pa; After charging, operational condition is constant, continues process 8min.
The present invention can be used for special oil and produces, and is applicable to nutritive value and health care's edible fat production, accomplishes pollution-free, less energy-consumption.
Claims (1)
1. produce a working method for decortication Semen Cucurbitae oil, it is characterized in that comprising the steps:
A, airing is carried out to Semen Cucurbitae, control water ratio 3%-5%;
B, the pumpkin seed of A, process is added in the boiling water of temperature 90-100 DEG C, amount of water be the 4-10 of pumpkin seed amount doubly, soaks after 3-5 minute and hot water is discharged, draw the pumpkin seed in cool clear water flushing jacketed kettle with hydraulic giant, remove attached skin; Repeated multiple times;
C, use food steamer to steam 10min the pumpkin seed of B, process, improve the fragrance of Semen Cucurbitae oil and oil yield;
D, the pumpkin seed hydropress of C, process is added extrusion crude oil; Pumpkin seed is made cake and puts into hydropress, often squeeze and throw cake 20-25 block, every block is about 4-6kg, equably pressurized hydraulic low pressure, when making pressure be pressed onto 110-120MPa, low pressure is transferred to high pressure, and uniform pressurization is to during 280-300MPa, during squeezing, can not be too fast, in order to avoid cake slag oozes out;
E, hyperfiltration remove lipoxygenase, select the hyperfiltration film of molecular weight cut-off 80-120kD, carry out hyperfiltration process to the Semen Cucurbitae oil after filtering;
F, uv irradiating, the Semen Cucurbitae oil after filtration flows through the irradiating unit that ultraviolet lamp is settled in top, and irradiation dose is 300-400J/m2, and irradiation time is 10-20 second;
G, cryogenic vacuum bumping remove fishy smell, and uv irradiating kills the Semen Cucurbitae oil after enzyme, is heated to 50-70 DEG C, for subsequent use; Open the heating unit of vacuum tank, in tank, temperature maintains 80-90 DEG C, start vacuum pump, the absolute pressure in vacuum tank drops to below 400Pa, opens feed valve, suck the Semen Cucurbitae oil heated, make the hot raspberry seed oil moment bumping entered, remove fishy smell, control inlet amount, keep feed temperature 80-90 DEG C in vacuum tank, absolute pressure is no more than 400Pa; After charging, operational condition is constant, continues process 5-10min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510492215.4A CN105038963A (en) | 2015-08-12 | 2015-08-12 | Peeled pumpkin seed oil production process |
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| CN201510492215.4A CN105038963A (en) | 2015-08-12 | 2015-08-12 | Peeled pumpkin seed oil production process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410113A (en) * | 2019-08-23 | 2021-02-26 | 黑龙江赛美生物科技开发有限公司 | Method for preparing pumpkin seed oil by industrial enzyme method |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410113A (en) * | 2019-08-23 | 2021-02-26 | 黑龙江赛美生物科技开发有限公司 | Method for preparing pumpkin seed oil by industrial enzyme method |
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Application publication date: 20151111 |