CN101161113A - Abstraction of pine nut oil, residual oil cake food after abstracting and its preparing method - Google Patents
Abstraction of pine nut oil, residual oil cake food after abstracting and its preparing method Download PDFInfo
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
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- Fats And Perfumes (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Extraction of pine nut oil, residual oil dregs food after extraction as well as its producing method, that is obtaining pine nut after exuviating and removing skin; obtaining pine nut oil by exceed critical CO2 hydro-extraction; to get out the residual oil dregs after extraction to dry, then to grind into powder, and adding Chinese chestnut powder and walnut powder to mix as well as dry again to produce complex pine nut nutrition powder. Or using the pine nut as whole body, one-half crash, quarter crash to extract residual oil dregs, then to add into a flovoring liquid composed of common salt, liquorice, aniseed, pepertree, Chinese cinnamon, fine ginger and water to bloat, then produce dainty instant pine nut. Compared with the existing technology, the present invention improves the oil-displaced ratio, and produces dainty instant pine nut foods using extracting residual dregs, improves the using ratio of the pine nut; the line exceed critical CO2 hydro-extracting technics which takes raw ginger as anti-oxidant, ethanol as entrainer, is more advanced.
Description
Technical field
The present invention relates to a kind of supercritical CO of pine nut oil
2The comprehensive utilization of extract remainder behind extracting method and the extraction grease.
Background technology
Pine nut is traditional good merchantable brand that takes care of health, and pignolia benevolence can be promoted longevity.According to surveying and determination, every 100g pine nut benevolence contains thick protein 13.51～19.88g, crude fat 51.72～69.13g, total reducing sugar amount 8.11～13.44g, crude fibre 2.60～4.14g; Pine nut benevolence protein is made up of 18 seed amino acids, and particularly various contents of essential amino acids are all quite abundant.Crude fat comprises 13 kinds of aliphatic acid, wherein linoleic acid accounts for 35.77%～43.13%, and leukotrienes accounts for 18.61%～37.93%, and oleic acid accounts for 12.49%～27.17%, unrighted acid composition total amount surpasses 60%, also contains trace elements such as abundant calcium, phosphorus, manganese, brill, copper, zinc, iron.Pine nut benevolence is ambrosia, is again the dietotherapy good merchantable brand, and extremely physician, nutritionist praise highly.Point out in " Bencao Jingshu ": " the pinenut flavor is sweet, enriches blood, and the vim and vigour abundance, then the five internal organs are from profit, it is not hungry to turn black ... so can prolong life, it is not old to make light of one's life by commiting suicide ".The Compendium of Material Medica record: " pinenut is warm in nature, and it is sweet, nontoxic to distinguish the flavor of, and cures mainly joint rheumatism, dizziness, and moisturizing viscera pursues wandering arthritis cold air, complement void, skin care, clothes are made light of one's life by commiting suicide not old for a long time ".Other has in " peace is extensively remembered ", " solar corona book on Chinese herbal medicine ", " Kaibao Bencao ", and food pine nut benevolence can be improved looks, the record of long life and anti-ageing.Chinese and western medical studies have shown that pine nut benevolence has the nourishing human body, moisturizing viscera, and logical numbness gas, mental-tranquilization is in the big useful benefit effect of human body.Korean pine seed oil is taken from Korean pine benevolence, is a kind of green xylophyta grease of natural non-environmental-pollution, contains abundant unrighted acid, and wherein linolenic acid content is particularly abundant, is needed by human and unrighted acid that have important medical care effect.
Supercritical CO
2Fluid extraction technology is a kind of novel high-new isolation technics, in grease processing and comprehensive utilization thereof extensive studies and application is arranged.In the extraction of pine nut oil, different with extraction conditions because of the equipment that adopts, the pine nut oil that is obtained also is not quite similar.Supercritical CO
2Fluid extraction technology itself exists operating pressure big, the extraction time is long, to having relatively high expectations of equipment, and the problem that the not ideal enough grade of extraction yield remains to be improved, and adopt entrainer that the supercritical extract process is strengthened, can effectively improve extraction yield, reduce operating pressure.The supercritical CO of pine nut oil
2Extracting is purpose to improve oil yield mainly, and pine nut benevolence is crushed to more than 60 orders, adopt higher pressure (30MPa) and select for use long-time (4 hours) to extract, and after not taking all factors into consideration oil and grease extracting, the comprehensive utilization of contained albumen in the extract remainder.Simultaneously, owing to contain a large amount of unrighted acids and oxidation easily in the pine nut, Oxidation of Fat and Oils is the process of a chain reaction, the interpolation antioxidant can prolong the induction period of grease, delay the time that grease begins to ruin, but can not change the result who has degenerated, therefore when using antioxidant, must grasp in the incipient stage its antioxidation of competence exertion.For grease at extraction process mesohigh, CO
2The problem of oxidation of middle remaining oxygen, contacting metal has to be solved.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, realization is to effective extraction of the broken raw material of difference, reach under lower pressure, by using entrainer and in extraction feed, adding natural anti-oxidation raw material ginger powder, provide a kind of pine nut oil oil yield height, antioxygenic property good, the little a kind of supercritical CO of albuminous degeneration degree in the extract remainder
2The comprehensive utilization of extract remainder behind the method for fluid extraction pine-seed oil and the extraction grease.
Technology of the present invention as shown in Figure 1.Pine nut carries out supercritical CO through shelling, going clothing to get pine nut benevolence
2Fluid extraction gets pine-seed oil; The extraction residue takes out dries, again through be milled to powder, add other nut powder, mixing, once more dry, be packaged into compound pine nut benevolence nutrient powder.Simultaneously, the extraction residue can also be taken out that to filter out profile complete, the pine nut benevolence that the albuminous degeneration degree is little is carried out flavouring material and is pickled tasty and make instant delicious pine nut benevolence.Concrete technology is:
1. the preliminary treatment of raw material
1.1 antioxidant material preliminary treatment
Ginger is an antioxidant, to adopt 6～8 months ginger of growth for well.It is cleaned, be cut into the thick thin slice of 2cm after draining, be dried to moisture content about 40% in 20～25 ℃, pulverizer is pulverized, and continues to be dried to moisture content about 10%, and is standby.
1.2 pine nut pretreatment of raw material
With pine nut shelling, remove scarlet, obtain pine nut benevolence, according to the difference of product, the processing of pine nut benevolence is divided into and is crushed to 40 orders, 1/4th fragmentations, 1/2nd broken and whole.Whole grain, / 4th fragmentations, be used to process soft package instant pine nut benevolence behind the single granularity of the pine nut benevolence of 1/2nd fragmentations or the combination grain oil and grease extracting, be processed into compound pine nut benevolence nutrient powder after pulverizing 40 purpose pine nut benevolence oil and grease extractings, because the material gap is unfavorable for extraction for a short time during the extraction of degree of crushing height, so be crushed to 80 orders again after employing is crushed to 40 order oil and grease extractings earlier.
2. supercritical CO
2The extracting pine-seed oil process conditions
Its technology as shown in Figure 2.Processing step is:
Connect general supply; Start refrigerating plant, start the heater of extraction kettle, separating still.
Ginger powder is added in the pine nut benevolence raw material, and addition is 1～5% of a pine nut benevolence weight, and synergist citric acid addition is 0.02～0.05% of a pine nut benevolence weight.
Mixing of materials evenly is loaded on extraction kettle, seals with sealing ring.The ethanol of 58～99% concentration is made entrainer, and use amount is not all 3～10% of extract material according to extracting pressure and raw material degree of crushing, injects and carries in the agent jar.At the raw material degree of crushing is that best of breed is under the 40 order situations: concentration of ethanol is 95%, and addition is 5% of the extraction material.
Extraction kettle adopts 15～35MPa, 45 ± 10 ℃, separates I and adopts 8 ± 5MPa, 40 ± 10 ℃; Separate II and adopt 5 ± 5MPa, 35 ± 10 ℃; Treat that cold machine temperature reaches 4 ℃, and extraction kettle, separate I, when separating the II preheat temperature, open the entrainer high-pressure pump entrainer is pressed into extraction kettle near design temperature.The extraction parameter is CO
2Flow is at 20～25L/h, and extracting pressure adopts 15～35MPa, the pressure of control extraction kettle and separation reactor I, II; When treating that pressure, temperature conform to setting value, pick up counting, extraction 1.5～3h, extraction is emitted grease after finishing from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out extract remainder.
3. soft package instant pinenut processing method:
Whole grain pine nut benevolence, 1/4th fragmentations, the pine nut benevolence of 1/2nd fragmentations is after extraction, can extract the grease of pine nut benevolence weight 40～60%, the pinenut outer shape changes little, but it is loose that inside becomes, the rest parts grease can keep the local flavor of pine nut benevolence, loose structure helps the technology that adopts the short time to pickle, concrete grammar is, the extraction residue dregs of fat (hereinafter to be referred as the raffinate dregs of fat) behind the pine nut benevolence extraction grease are screened, profile is complete, and the material that the albuminous degeneration degree is little is processed, and makes instant pine nut benevolence.With pine nut benevolence extract remainder is benchmark, salt with 3～8%, 2～5% Radix Glycyrrhizae, 0.2～0.5% anise, 0.1～0.5% Chinese prickly ash, 0.1～0.3% cassia bark, 0.1～0.3% galingal, the poach system that interpolation pine nut benevolence raffinate dregs of fat volume is 1.5～3 times 50～90 minutes, cooling (so that below 10 ℃ for well), with its filtration, pickle 2～4h in the pine nut benevolence raffinate dregs of fat immersion filtrate that filters out tasty, the pine nut benevolence of pickling is measured packing by specification, seal with vacuum packing machine the pack back, the condition of sealing is: vacuum 0.09 MPa, 30 kilovolts of heat-sealing voltages, sterilization: the pine nut benevolence that will pack after sealing is put into the cannery retort sterilization, sterilization conditions is: 115～129 ℃, and 23～35 minutes.After cooling, insulation, check, make finished product, be processed into soft package instant pine nut benevolence.
4. compound pinenut nutrient powder processing method:
Be crushed to the raffinate dregs of fat after 40 order pine nut benevolence are extracted grease, be milled to 80 orders after the oven dry, add 10～30% rice-chestnut powder, 5～25% walnut powder makes protein content 〉=65%; Fat≤3% dries by the fire 30～50min down at 25～40 ℃, is dried to moisture≤7%, packing, quality inspection.
Advantage of the present invention:
1. oil extracting rate height, oil extracting rate with do not use entrainer, oil yield has improved 5～13% under other condition same cases.
2. antioxidant effect is good, surveys its peroxide value according to national standard, and the shelf-life can reach 6 months.In raw material, add natural anti-oxidation raw material ginger, wherein polyphenoils is together extracted, both added to earlier in the grease, avoided grease in time because of contacting metal, high pressure CO in the extraction process
2Remaining O
2Deng and the oxidation that causes has solved the problem that independent extraction polyphenoils adds again, saved energy consumption and time.
3. owing to used entrainer, can correspondingly reduce the pressure in the extraction process, thereby be easy to realize industrialization, production safety, energy consumption is low.Oil yield when also having improved simultaneously under the less condition of whole grain or degree of crushing extraction has guaranteed to obtain more complete pinenut extract remainder and the production needs that do not reduce oil yield.
4. comprehensive utilization degree height, added value is big, and product category is many.During pine-seed oil in the past extracted, the material behind the extraction grease often was regarded as refuse, or sells as just feed, mainly was that value is very little behind high pressure because of material degree of crushing height.Though also the someone studied whole grain extraction process, because of pine nut causes oil yield seriously to descend without broken, lost more than gain.This technology has overcome this problem, when guaranteeing oil yield, improves the degree of utilizing of pinenut extract remainder albumen, has realized comprehensive utilization.
5. aspect the processing of instant pine nut benevolence, adopted unique short-term pickling process, the pinenut raciness, process time is short.
Description of drawings
Accompanying drawing 1 is the extraction of pine nut oil, the process flow diagram of raffinate dregs of fat process for preparation of food product.
Accompanying drawing 2 uses the supercritical CO of entrainer for pine nut benevolence
2The extraction procedure schematic diagram.Wherein: 1 is carbon dioxide steel cylinder, and 2 is filter, and 3 is cold machine, and 4 is high-pressure metering pump, and 5 is blender, and 6 is preheater, and 7 is extraction kettle, and 9 is separation reactor I, and 10 is separation reactor I I, and 10 is flow quantity recorder, and 11 is the entrainer storage tank, 12 high-pressure metering pumps.
The specific embodiment
The supercritical CO of example 1 pine nut oil
2The extraction preparation method implements 1
The pinenut of whole grain is a raw material, and the raffinate dregs of fat behind the oil and grease extracting will be used to process soft package instant pine nut benevolence, so it is little to require extraction process that pine nut benevolence outward appearance is destroyed, extracts the part grease and gets final product, and the grease that is retained in the extract remainder is used to improve instant pinenut local flavor.
Connect general supply; Start refrigerating plant, start the heater of extraction kettle, separating still, extraction kettle adopts 45 ℃, separates I and adopts 8MPa, 40 ℃; Separate II and adopt 5MPa, 35 ℃.Pinenut with the whole grain after the pine nut shelling is a raw material, and the antioxidant material ginger powder is added in the pinenut raw material, and addition is 1% of a pinenut weight, and synergist citric acid addition is 0.05% of a pinenut weight. The raw material that adds antioxidant by proportioning is loaded on extraction kettle, seals with sealing ring.
The ethanol of 99% concentration is made entrainer, and use amount is 7% of a pinenut weight, injects and carries in the agent jar.Wait to freeze end and extraction kettle and separation reactor I, II preheat temperature during, open the entrainer pump and entrainer is pressed in the extraction kettle CO near design temperature
2Flow-control when treating extraction kettle pressure near setting pressure 25MPa, is controlled the pressure of extraction kettle and separation reactor I, II at 20L/h; When treating that pressure, temperature conform to setting value, pick up counting extraction time 2.5h.Extraction finishes the back and emit grease from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out extract remainder.
The supercritical CO of example 2 pine-seed oils
2The extraction preparation method implements 2
The pinenut of 1/2nd to 1/4th broken combination grains is a raw material, the raffinate dregs of fat behind the oil and grease extracting will be used to process the soft package instant pinenut, so require extraction process to destroy little to pine nut benevolence outward appearance, extract the part grease and get final product, the grease that is retained in the extract remainder is used to improve instant pinenut local flavor.
Connect general supply; Start refrigerating plant, start the heater of extraction kettle, separating still, extraction kettle adopts 48 ℃, separates I and adopts 8MPa, 42 ℃; Separate II and adopt 5MPa, 33 ℃.Pinenut with 1/2nd fragmentations after the pine nut shelling is a raw material, and the antioxidant material ginger powder is added in the pinenut raw material, and addition is 1.2% of a pinenut weight, and synergist citric acid addition is 0.03% of a pinenut weight. The raw material that adds antioxidant by proportioning is loaded on extraction kettle, seals with sealing ring.
The ethanol of 95% concentration (selecting absolute ethyl alcohol for use) is made entrainer, and use amount is 8% of a pinenut weight, injects and carries in the agent jar.Wait to freeze end and extraction kettle and separation reactor I, II preheat temperature during, open the entrainer pump and entrainer is pressed in the extraction kettle CO near design temperature
2Flow-control when treating extraction kettle pressure near setting pressure 28MPa, is controlled the pressure of extraction kettle and separation reactor I, II at 20L/h; When treating that pressure, temperature conform to setting value, pick up counting extraction time 2.5h.Extraction finishes the back and emit grease from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out extract remainder.
The supercritical CO of example 3 pine-seed oils
2The extraction preparation method implements 3
The pinenut of 1/4th fragmentations is a raw material, the raffinate dregs of fat behind the oil and grease extracting will be used to process the soft package instant pinenut, so it is little to require extraction process that pine nut benevolence outward appearance is destroyed, and extracts the part grease and gets final product, the grease that is retained in the extract remainder is used to improve instant pinenut local flavor.
Connect general supply; Start refrigerating plant, start the heater of extraction kettle, separating still, extraction kettle adopts 40 ℃, separates I and adopts 10MPa, 45 ℃; Separate II and adopt 6MPa, 30 ℃.Pinenut with 1/4th fragmentations after the pine nut shelling is a raw material, and the antioxidant material ginger powder is added in the pinenut raw material, and addition is 2.5% of a pinenut weight, and synergist citric acid addition is 0.03% of a pinenut weight. The raw material that adds antioxidant by proportioning is loaded on extraction kettle, seals with sealing ring.
Select for use absolute ethyl alcohol to make entrainer, use amount is 5% of a pinenut, injects and carries in the agent jar.Wait to freeze end and extraction kettle and separation reactor I, II preheat temperature during, open the entrainer pump and entrainer is pressed in the extraction kettle CO near design temperature
2Flow-control when treating extraction kettle pressure near setting pressure 30MPa, is controlled the pressure of extraction kettle and separation reactor I, II at 20L/h; When treating that pressure, temperature conform to setting value, pick up counting extraction time 2.0h.Extraction finishes the back and emit grease from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out extract remainder.
The supercritical CO of example 4 pine-seed oils
2The extraction preparation method implements 4
With pulverizing 40 purpose pine nut benevolence is raw material, the raffinate dregs of fat behind the oil and grease extracting will be used to process compound pinenut nutrient powder, so require extraction process to reach abundant extraction to pine nut benevolence, extract more than 80% of the contained grease of pine nut benevolence, add rice-chestnut powder by following process, walnut powder will make the compound pinenut nutrient powder of final products fat≤5%.
Connect general supply; Start refrigerating plant, start the heater of extraction kettle, separating still, extraction kettle adopts 45 ℃, separates I and adopts 10MPa, 35 ℃; Separate II and adopt 5MPa, 30 ℃.With pulverizing 40 purpose pine nut benevolence is raw material, and the antioxidant material ginger powder is added in the pinenut raw material, and addition is 2% of a pinenut weight, and synergist citric acid addition is 0.03% of a pinenut weight. The raw material that adds antioxidant by proportioning is loaded on extraction kettle, seals with sealing ring.
The ethanol of 95% concentration is made entrainer, and use amount is 7% of a pinenut weight, injects and carries in the agent jar.Wait to freeze end and extraction kettle and separation reactor I, II preheat temperature during, open the entrainer pump and entrainer is pressed in the extraction kettle CO near design temperature
2Flow-control when treating extraction kettle pressure near setting pressure 30MPa, is controlled the pressure of extraction kettle and separation reactor I, II at 25 L/h; When treating that pressure, temperature conform to setting value, pick up counting extraction time 3.0h.Extraction finishes the back and emit grease from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out extract remainder.
The supercritical CO of example 5 pine-seed oils
2The extraction preparation method implements 5
Be crushed to 〉=the pine nut benevolence of 40 order combination grains is raw material, the raffinate dregs of fat behind the oil and grease extracting will be used to process compound pinenut nutrient powder, so require extraction process to reach abundant extraction to pine nut benevolence, extract more than 80% of the contained grease of pine nut benevolence, add rice-chestnut powder by following process, walnut powder will make the compound pinenut nutrient powder of final products fat≤5%.
Connect general supply; Start refrigerating plant, start the heater of extraction kettle, separating still, extraction kettle adopts 45 ℃, separates I and adopts 8MPa, 40 ℃; Separate II and adopt 5MPa, 35 ℃.With pulverizing 40 purpose pine nut benevolence is raw material, and the antioxidant material ginger powder is added in the pinenut raw material, and addition is 5% of a pinenut weight, and synergist citric acid addition is 0.05% of a pinenut weight. The raw material that adds antioxidant by proportioning is loaded on extraction kettle, seals with sealing ring.
The ethanol of 99% concentration is made entrainer, and use amount is 5% of a pinenut weight, injects and carries in the agent jar.Wait to freeze end and extraction kettle and separation reactor I, II preheat temperature during, open the entrainer pump and entrainer is pressed in the extraction kettle CO near design temperature
2Flow-control when treating extraction kettle pressure near setting pressure 25MPa, is controlled the pressure of extraction kettle and separation reactor I, II at 25L/h; When treating that pressure, temperature conform to setting value, pick up counting extraction time 3.0h.Extraction finishes the back and emit grease from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out extract remainder.
Example 6 soft package instant pinenut processing methods implement 1
Supercritical CO with pine-seed oil
2The whole grain pinenut raffinate dregs of fat among the extraction preparation method embodiment 1 behind the extraction grease are processed.Earlier with salt 5.5%, Radix Glycyrrhizae 5.0%, anistree 0.2%, Chinese prickly ash 0.1%, cassia bark 0.2%, galingal 0.1%, add 2 times of raffinate dregs of fat volumes poach system 90 minutes, be cooled to below 10 ℃, filter, get filtrate, with pinenut pickle 4 hours tasty,, the pinenut that will pickle measures packing by specification, seal with vacuum packing machine the pack back, the condition of sealing is: vacuum 0.09 MPa, 30 kilovolts of heat-sealing voltages, sterilization: the pinenut that will pack after sealing is put into the cannery retort sterilization, sterilization conditions is: 121 ℃, and 30 minutes.After cooling, insulation, check, make finished product, be processed into the soft package instant pinenut.
Example 7 soft package instant pinenut processing methods implement 2
Supercritical CO with pine-seed oil
2/ 2nd broken pinenut raffinate dregs of fat among the extraction preparation method embodiment 2 behind the extraction grease are processed.Earlier with salt 3.5%, Radix Glycyrrhizae 3.0%, anistree 0.3%, Chinese prickly ash 0.2%, cassia bark 0.1%, galingal 0.3%, add 2.5 times of raffinate dregs of fat volumes poach system 80 minutes, be cooled to below 10 ℃, filter, get filtrate, with pinenut pickle 2.5 hours tasty,, the pinenut that will pickle measures packing by specification, seal with vacuum packing machine the pack back, the condition of sealing is: vacuum 0.09 MPa, 30 kilovolts of heat-sealing voltages, sterilization: the pinenut that will pack after sealing is put into the cannery retort sterilization, sterilization conditions is: 121 ℃, and 30 minutes.After cooling, insulation, check, make finished product, be processed into the soft package instant pinenut.
Example 8 soft package instant pinenut processing methods implement 3
Supercritical CO with pine-seed oil
2Whole grain pinenut among the extraction preparation method embodiment 1 behind the extraction grease is processed.Earlier with salt 3.0%, Radix Glycyrrhizae 2.0%, anistree 0.5%, Chinese prickly ash 0.2%, cassia bark 0.15%, galingal 0.2%, add 1.5 times of extract remainder volumes poach system 60 minutes, be cooled to below 10 ℃, filter, get filtrate, with pinenut pickle 3 hours tasty,, the pinenut that will pickle measures packing by specification, seal with vacuum packing machine the pack back, the condition of sealing is: vacuum 0.09 MPa, 30 kilovolts of heat-sealing voltages, sterilization: the pinenut that will pack after sealing is put into the cannery retort sterilization, sterilization conditions is: 121 ℃, and 30 minutes.After cooling, insulation, check, make finished product, be processed into the soft package instant pinenut.
Example 9 compound pinenut nutrient powder processing methods implement 1
To be crushed to 40 order pinenut supercritical COs
2Extraction is extracted raffinate dregs of fat oven dry behind the grease after be milled to 80 orders, adds 25% rice-chestnut powder, and 15% walnut powder makes protein content 〉=65%; Fat≤5% dried by the fire 45 minutes down at 35 ℃, was dried to moisture≤7%, packing, quality inspection.
Example 10 compound pinenut nutrient powder processing methods implement 2
To be crushed to 40 order pinenut supercritical COs
2Extraction is extracted raffinate dregs of fat oven dry behind the grease after be milled to 80 orders, adds 30% rice-chestnut powder, and 10% walnut powder makes protein content 〉=65%; Fat≤5% dried by the fire 50 minutes down at 40 ℃, was dried to moisture≤7%, packing, quality inspection.
Claims (7)
1. extraction of pine nut, extraction remaining oil dregs food and manufacture method thereof is characterized in that technology is: pine nut through shelling, go clothing to get pine nut benevolence; Carry out supercritical extract CO
2Fluid extraction gets pine-seed oil; The extraction residue dregs of fat take out dries, again through being milled to powder, adding rice-chestnut powder and walnut powder, mixing, being dried to compound pine nut benevolence nutrient powder once more.
2. according to the described extraction of pine nut of claim 1, extraction remaining oil dregs food and manufacture method thereof, it is characterized in that described supercritical CO
2The technology of fluid extraction is:
The prescription of material: add ginger powder in the pine nut benevolence, addition is 1%～5% of a pine nut benevolence weight; Add the synergist citric acid, addition is 0.02%～0.05% of a pine nut benevolence weight; Add the ethanol of 58～99% concentration and make entrainer, addition is 3～10% of a pine nut benevolence weight;
Process conditions and step: extraction kettle adopts 15～35MPa, 45 ± 10 ℃, separates I and adopts 8 ± 5MPa, 40 ± 10 ℃; Separate II and adopt 5 ± 5MPa, 35 ± 10 ℃; Treat that cold machine temperature reaches 4 ℃, and extraction kettle, separate I, when separating the II preheat temperature, open the entrainer high-pressure pump entrainer is pressed into extraction kettle near design temperature; The extraction parameter is CO
2Flow is at 20～25L/h, and extracting pressure adopts 15～35MPa, the pressure of control extraction kettle and separation reactor I, II; When treating that pressure, temperature conform to setting value, pick up counting, extraction 1.5～3 h, extraction is emitted grease after finishing from separating still, and gas in the emptying extraction kettle is opened the extraction kettle capping, takes out the raffinate dregs of fat.
3. according to claim 1 or 2 described extraction of pine nut, extraction remaining oil dregs food and manufacture method thereof; the pine nut benevolence that it is characterized in that described extraction usefulness is whole grain,, 1/2nd fragmentations, 1/4th fragmentations, be crushed to single grain of 40 purposes or mangcorn.
4. according to the described extraction of pine nut of claim 1, extraction remaining oil dregs food and manufacture method thereof, the manufacture method that it is characterized in that described extraction remaining oil dregs food is the manufacture method of instant delicious pine nut benevolence, and its technology is:
Material formula: whole grain,, 1/2nd fragmentations, 1/4th broken pine nut benevolence extract remainders are benchmark, the salt with 3～8%, 2～5% Radix Glycyrrhizae, 0.2～0.5% anise, 0.1～0.5% Chinese prickly ash, 0.1～0.3% cassia bark, 0.1～0.3% galingal, add the water of 1.5～3 times of pine nut benevolence extract remainder volumes;
Operating procedure is: with above-mentioned condiment boiling 50～90 minutes, cooling was filtered, and 2～4h in the pine nut benevolence raffinate dregs of fat immersion filtrate that filters out is pickled pine nut benevolence tasty, that will pickle measure packing by specification, and vacuum packaging is sealed, and sterilization forms;
Described sterilization is: the pine nut benevolence that will pack after sealing is put into the cannery retort sterilization, and sterilization conditions is: 115～129 ℃, and 23～35 minutes.
5. according to the described extraction of pine nut of claim 1, extraction remaining oil dregs food and manufacture method thereof, the manufacture method that it is characterized in that described extraction remaining oil dregs food is the manufacture method of compound pine nut benevolence nutrient powder, and its technology is:
Pine nut benevolence is extracted the extraction residue dregs of fat behind the grease, is milled to 80 orders after the oven dry, adds 10～30% rice-chestnut powder, and 5～25% walnut powder makes protein content 〉=65%; Fat≤3% dries by the fire 30～50min down at 25～40 ℃, is dried to moisture≤7%.
6. according to the described extraction of pine nut of claim 2, extraction remaining oil dregs food and manufacture method thereof, it is characterized in that the described supercritical CO that carries out
2In the prescription of fluid extraction material, be under the 40 order situations at the raw material degree of crushing, the entrainer concentration of ethanol is 95%, and addition is 5% of the extraction material.
7. according to the described extraction of pine nut of claim 2, extraction remaining oil dregs food and manufacture method thereof, it is characterized in that described supercritical CO
2In the prescription of the material of the technology of fluid extraction, the antioxidant ginger powder of interpolation is: the ginger of growing 6～8 months, be cut into the thick thin slice of 2cm after cleaning, draining, and be dried to moisture content 40% in 20～25 ℃, pulverize, continue to be dried to moisture content 10% again.
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| CN101974366A (en) * | 2010-09-07 | 2011-02-16 | 长春大学 | Process for extracting walnut oil from large walnut kernels through supercritical extraction |
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