CN101067105A - Cold squeezing and cold refining process for producing almond oil for medical and food use - Google Patents
Cold squeezing and cold refining process for producing almond oil for medical and food use Download PDFInfo
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- CN101067105A CN101067105A CN 200710097216 CN200710097216A CN101067105A CN 101067105 A CN101067105 A CN 101067105A CN 200710097216 CN200710097216 CN 200710097216 CN 200710097216 A CN200710097216 A CN 200710097216A CN 101067105 A CN101067105 A CN 101067105A
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Abstract
The present invention is cold squeezing and cold refining process of producing almond oil for medicinal and food use, belongs to the field of edible oil processing technology. The technological process includes the following main steps: sorting almond, soaking in peeling solution containing sodium dodecyl sulfonate in 0.05 wt% at certain time for certain time, rinsing, peeling in a peeling machine, stoving to water content of 3-10 wt%, crushing, squeezing in a hydraulic oil press at 30-70 MPa to obtain coarse almond oil, coarse filtering in sheet frame filter, degumming and deacidifying at 60 deg.c, decolorizing and filtering in a membrane filter to obtain almond oil product.
Description
Technical field: the present invention relates to a kind of doctor and eat dual-purpose mountain almond oil cold press-cold refining and be equipped with technology, belong to the edible vegetable oil and fat manufacture field.
Background material: ansu apricot is the famous large forest products resource of China.In the last few years, check winds and fix drifting sand in country, under the conceding the land to forestry policy guides, ansu apricot plant husbandry has obtained swift and violent development, especially in North China, northeast and the Northwest, the ansu apricot plantation has become a big industry.According to State Administration of Forestry's incomplete statistics, three northern areas of China ansu apricot resource and long-pending 2,000,000 hm that broken through
2, account for the three Norths protection forest and preserve about 7.2% of area.The ansu apricot woods that big area is built is for administering dust storm, improving living environment and made significant contribution, for peripheral community has brought good ecological benefits.Yet, we must clearly realize that, it is far from being enough that light has ecological benefits, when guaranteeing ecological benefits, resources advantage must be converted into economic advantages, only in this way, could solve the economic pressures of conceding the land to forestry and bringing for the apricot farming, drive side's expanding economy, and play the demonstration induced effect for three northern areas of China agricultural structure adjustment.
The establishing in large scale of ansu apricot makes the annual production of China's ansu apricot nuclear break through 150,000 tons, if so a large amount of insufficient utilization of resource will be huge waste.The purposes basically identical of ansu apricot benevolence and foreign almond can replace mutually in sizable scope, and from medicinal and health care angle, ansu apricot benevolence is better than foreign almond again.China is the major country of production of ansu apricot benevolence, and with regard to endowment of resources, China has comparative advantages aspect the ansu apricot benevolence, and the U.S. has comparative advantages aspect Sweet Apricot seed.With regard to the resource value of almond, at first be its contained grease, secondly be its contained protein and natural product.Ansu apricot benevolence oleaginousness is higher, because the difference of kind and envrionment conditions, oleaginousness also is not quite similar, but generally about 50%, particularly the content of monounsaturated fatty acids is very high, is the large oil resource that is only second to Camellia oil and sweet oil.We analyze the lipid acid of mountain almond oil, and the result is as follows:
The content (%) of main lipid acid in the table 1 ansu apricot oil
| Saturated fatty acid | Unsaturated fatty acids | ||||
| Palmiticacid | Oleic acid | Linolic acid | Linolenic acid | Zoomeric acid | Other |
| 5.2 | 68.1 | 22.8 | 0.9 | 1.2 | 1.8 |
Ansu apricot oil also has other prior purposes except that edible: the zero pour of ansu apricot oil is very low, is-20 ℃, can be as the lubricating oil and the high grade paint of precision instrument; Ansu apricot oil is semi-drying oil, has good oxidative stability, can be used for oil painting industry and cosmetic industry; Hyson etc. (2002) discover that ansu apricot oil can reduce the content of low-density lipoprotein in the human body (LDLC), help delaying body aging, prevent arteriosclerosis and cardiovascular disorder.So good performance makes that its price is considerable, on American market, is 110-120 unit/kg as the Prunus amygdalus oil price of therapeutic massage up to the price of the domestic the world of medicine of 9.5 dollars/100ml. mountain almond oil, is more than 10 times of soybean oil, is out of stock in spite of rising price a few days ago.Current, it is considerably less that domestic industryization is produced the enterprise of Prunus amygdalus oil, only there are indivedual little oily factories to hold concurrently and make Prunus amygdalus oil, but technology falls behind, multi-angle screw oil press zhai oil expression or with solvent extraction method system oil, often frying produces high temperature in the oil expression process before the oil expression, not only impair the green quality of ansu apricot oil, the recycle value of the almond dregs of rice is also seriously limited.In addition, refining process uses high temperature, causes quality product relatively poor, can't reach outlet grease standard, more can not be used as medicinal oil.This shows, the exploitation of mountain almond oil is extremely urgent, we should provide corresponding product development technology in conjunction with the domestic and international market demand, particularly exported product and pharmaceutical grease processing and preparing technology, by patented technology good resource is become the high added value commodity, thereby realize the conversion of resources advantage to economic advantages.
Summary of the invention: purpose of the present invention is exactly at the deficiencies in the prior art, provides a kind of method by cold press-cold refining skilled industry production doctor food dual-purpose mountain almond oil to people.For achieving the above object, the present invention adopts the following technical proposals preparation.
1) the ansu apricot benevolence (the kind benevolence that comprises plants such as Armeniaca (Prunus) sibirica, Armeniaca (Prunus) sibirica var.pubescens, Armeniaca (Prunus) mandshurica, Armeniaca (Prunus) vulgaris and Armeniaca (Prunus) vulgarisvar.ansu) that will purchase or process is certainly carried out sorting, impurity elimination by mechanical or manual method, and the mould grain in the raw material ansu apricot benevolence, mashed grain, soil block, stone, broken shell, plant residue and metal fragment are removed.
2) will be through being that the decortication liquid that the ratio of 1: 1～5 (W/W) is put into certain temperature soaks in solid-liquid ratio after the ansu apricot benevolence weighing of sorting; The proportioning of decortication liquid is a water: sodium laurylsulfonate=1000: 0.5 (W/W), and temperature-time that decortication liquid soaks ansu apricot benevolence is combined as: 60 ℃-30min, 70 ℃-9min, 80 ℃-3.5min, 90 ℃-2.5min, 100 ℃-2min, optional wherein a kind of temperature-time combination.
3) pull out after will soaking the ansu apricot benevolence of certain hour, after the rinsing of one clean water normal temperature, enter special-purpose peeling machine and will plant skin and remove.
4) handle through above-mentioned decortication and obtain peeling ansu apricot benevolence (apricot lobe) and kind skin (cot).Can be behind the kind skin oven drying at low temperature in order to extract pigment or natural product.The oven dry of decortication ansu apricot benevolence drying equipment, storing temperature is no more than 60 ℃, dries by the fire to ansu apricot benevolence water content 3%～10% (W/W), meets oil expression and requires the back standby with ansu apricot benevolence water content.
5) the decortication ansu apricot benevolence of handling through above-mentioned oven dry is through stainless steel or carbon steel matter mechanical disintegration, pulverize the back and cross 20 orders～40 mesh sieves, the material that screening obtains wraps up with cloth, put into common hydraulic oil press or fast hydraulic pressure oil press zhai, be forced into 30Mp～70Mp twice oil expression, or comminuting matter extracts oil and directly send in the cold press screw oil expeller without parcel.
6) obtain crude oil after the oil expression, crude oil is put into hold-up vessel after the flame filter press coarse filtration, pump into then oil refining cauldron be lower than under 60 ℃ of conditions come unstuck, depickling, edible vegetable oil enters the decolouring of Decolouring pot normal temperature after secondary filter, the Prunus amygdalus oil after the decolouring filters through Membrane filtering machine and promptly obtains processed oil.
Characteristics of the present invention: employing decortication liquid soaks in short-term, peeling machine is peeled fast, low temperature flash baking technical combinations, has reduced almond protein sex change probability; Adopt the squeezing of low temperature hydraulic machinery, temperature of charge is no more than 60 ℃ in the expressing process, thereby has reduced greasy oxidation, and sex change does not take place or do not take place substantially cake protein matter, for good basis has been established in the utilization of grouts subsequent development; Since material process coarse reduction before the oil expression, thus machine expressed oil rate improved, increased product production; Oil and fat refining process adopts the cold refining technology of low temperature, and temperature of charge is no more than 60 ℃, thereby has reduced greasy deterioration by oxidation.The every index of mountain almond oil of using the present technique combinations produce all reaches European Union's cold press edible oil standard.Detect proof, the every physical and chemical index and the supercritical CO of cold press-cold refining mountain almond oil
2Mountain almond oil extracted basically identical, and the quality guaranteed period be better than supercritical CO
2Mountain almond oil extracted, production cost but only is a supercritical CO
2About 10% of the oily cost of extraction system.
Description of drawings: Fig. 1 is that doctor's food dual-purpose mountain almond oil cold press-cold refining is equipped with the process flow sheet of technology.
Concrete case study on implementation: with reference to the technical process of accompanying drawing 1, cold press-preparation of industrialization of cold refining mountain almond oil is following realization to doctor's food dual-purpose.
1) kind benevolence-ansu apricot benevolence of Armeniaca (Prunus) sibirica is removed wherein mould grain, mashed grain, stone, broken shell, plant residue and metal fragment by manual method.
2) 10 kilograms of ansu apricot benevolence through sorting are poured into to fill the 30L temperature be to soak 30min in 60 ℃ the storage tank of decortication liquid.
3) the ansu apricot benevolence that will soak behind the 30min is pulled out, after the rinsing of one clean water normal temperature, enters special-purpose peeling machine and will plant skin and remove.
4) handle through above-mentioned decortication and obtain peeling ansu apricot benevolence (apricot lobe) and kind skin (cot).Dry under 50 ℃ of conditions through air dry oven respectively, obtain oven dry kind of skin 0.45kg, discard, obtain the ansu apricot benevolence 9.5kg of water content 8.2%, standby.
5) the 9.5kg decortication ansu apricot benevolence of handling through above-mentioned oven dry is pulverized through the stainless steel mincer, pulverize the back and cross 20 mesh sieves, the material that screening obtains wraps up with cotton, putting into the fast hydraulic pressure oil press zhai at twice squeezes, oil expression pressure 60Mp, collect crude oil and grouts respectively, obtain crude oil 3.8kg, grouts 5.5kg.
6) obtain crude oil behind the Hydraulic oil press, crude oil is put into hold-up vessel after the flame filter press coarse filtration, pump into then oil refining cauldron be lower than under 60 ℃ of conditions come unstuck, depickling, edible vegetable oil enters the decolouring of Decolouring pot normal temperature after secondary filter, the Prunus amygdalus oil after the decolouring filters through Membrane filtering machine and promptly obtains processed oil.
Product quality analysis: the grease that concrete case study on implementation obtains is analyzed according to relevant national standard, and its result is as shown in table 1.
Table 1 cold press-cold refining mountain almond oil physical and chemical index cartogram
| Project | The result | Measuring method |
| Refractive index (n 20 D) proportion (n 20 20) color and luster, (Lovibond cell 133.4mm) water ratio, (%) foreign matter content, (%) acid value, (mgKOH/g oil) peroxide value, (meq/kg oil) iodine number, (gI 2/ 100g oil) saponification value (mg KOH/g oil) heat test (280 ℃) | 1.4725 0.9130 Y30 R0.7,0.03 0.004 0.1 0.5 104.9 190.8 no precipitate; The Lovibond colorimetric: yellow value is constant, and red value increases less than 0.4 | GB/T 5527 GB/T 5526 GB/T 5525 GB/T 5528 GB/T 5529 GB/T 5530 GB/T 5538 GB/T 5532 GB/T 5534 GB/T 5531 |
Claims (1)
1. doctor's food dual-purpose mountain almond oil cold press-cold refining is equipped with technology, it is characterized in that its preparation method is as described below:
1.1 the ansu apricot benevolence that will purchase or process is certainly carried out sorting, impurity elimination, the decortication liquid of putting into certain temperature after the weighing soaks, and pulls out after certain hour soaks, and after one rinsing, enters the peeling machine decortication.
1.1.1 being meant, the described ansu apricot benevolence of claim 1.1 contains more ansu apricot benevolence glycosides (glucoside), mouth is tasted and is sent out bitter almond, comprises the kind benevolence of plants such as Armeniaca (Prunus) sibirica, Armeniaca (Prunus) sibirica var.pubescens, Armeniaca (Prunus) mandshurica, Armeniaca (Prunus) vulgaris and Armeniaca (Prunus) vulgaris var.ansu.
1.1.2 the described sorting of claim 1.1, impurity elimination are meant, by the process of mechanical or manual way with the mould grain in the raw material ansu apricot benevolence, mashed grain, soil block, stone, broken shell, plant residue and metal fragment removal.
1.1.3 the described decortication liquid of claim 1.1 is made into by water and tensio-active agent sodium laurylsulfonate, the proportioning of decortication liquid is a sodium laurylsulfonate: water=0.5: 1000 (W/W); Decortication liquid soaking temperature is 60 ℃～100 ℃, and concrete soaking temperature-time is combined as: 60 ℃-30min, and 70 ℃-9min, 80 ℃-3.5min, 90 ℃-2.5min, 100 ℃-2min, optional wherein a kind of temperature-time combination.
1.1.4 it is 1: 1～5 that the described decortication liquid of claim 1.1 soaks the solid-liquid ratio of material.
1.1.5 the rinsing after the described decortication liquid of claim 1.1 soaks is meant with the clean water normal temperature rinsing that meets drinking water standard.
1.1.6 the described peeling machine decortication of claim 1.1 is meant the ansu apricot benevolence after above-mentioned immersion, the rinsing will be planted the technological process that skin removes through special-purpose peeling machine.
1.2. handle through above-mentioned decortication and to obtain peeling ansu apricot benevolence (apricot lobe) and kind skin (cot).Can be behind the kind skin oven drying at low temperature in order to extract pigment or natural product.Decortication ansu apricot benevolence is standby after with the requirement of ansu apricot benevolence water content to meeting oil expression through low temperature baking fast.
1.2.1 the described decortication ansu apricot of claim 1.2 benevolence is meant through quick oven drying at low temperature, and peeling machine is handled wet decortication ansu apricot benevolence (apricot lobe) the drying mechanical drying that obtains, storing temperature is no more than 60 ℃.
1.2.2 claim 1.2 is described to be met oil expression and is meant that with the requirement of ansu apricot benevolence water content ansu apricot benevolence water content is at 3%～10% (W/W).
1.3 handle through pulverizing, screening, construction materials contract through the decortication ansu apricot benevolence that above-mentioned oven dry is handled, put into hydraulic oil press or handle and directly send into the spiral cold pressing expeller and extract oil without construction materials contract.
1.3.1 being meant, the described pulverizing of claim 1.3, screening use stainless steel or carbon steel mechanical disintegration, pulverize the back and cross 20 orders～40 mesh sieves, the material that obtains of screening is put into hydraulic oil press after with the cloth parcel, or comminuting matter directly sends into the cold press screw oil expeller without parcel, in order to oil expression.
1.3.2 the described hydraulic oil press of claim 1.3 is meant common hydraulic oil press or fast hydraulic pressure oil press zhai, temperature of charge must not be above 60 ℃ in the oil expression process.
1.4 Hydraulic oil press obtains crude oil, crude oil is picked up-operation such as canned-seal-decals-spray agate-packing and make finished product through collection-precipitation-coarse filtration-store-come unstuck-depickling-essential oil collection-secondary filter-decolouring-membrane filtration-collection-matter.
1.4.1 the described precipitation of claim 1.4 is meant, collects newborn crude oil settling tank (jar) with the crude oil drainage or with other modes, precipitation 1～48h, and the material parcel is better during as oil expression, and the crude oil that obtains is clean (refrigerant), also can save this step.
1.4.2 the described coarse filtration of claim 1.4 is meant, will or not need sedimentary grease by the flame filter press coarse filtration through precipitation, the back adds hold-up vessel.
1.4.3 described the coming unstuck of claim 1.4 is meant that the grease adding oil refining cauldron with coarse filtration is being lower than the technology of carrying out hydration degum under 60 ℃ of conditions.The moisture that adds grease volume 1%～5% during aquation leaves standstill centrifugally after the stirring, grease and oil foot obtain coming unstuck.
1.4.4 the described depickling of claim 1.4 is meant, with the grease after coming unstuck by adding the technology that alkali lye removes the free fatty acids in the grease.Batch and slightly different, reach national edible oil standard with the acid value in the grease is principle to the alkali lye addition with raw material and processing.Separate grease and soap stock.
1.4.5 the described secondary filter of claim 1.4 is meant, with the technology of the grease after the depickling through the diatomite jar.
1.4.6 the described decolouring of claim 1.4 is meant, with the grease process carclazyte jar of secondary filter and the technology of Decolouring pot.
1.4.7 the described membrane filtration of claim 1.4 is meant, with the filtering technology of grease process coating jar of decolouring processing.
1.4.8 the described quality inspection of claim 1.4 is meant, the technology that grease is carried out quality inspection according to country and company standard.
1.4.9 claim 1.4 described canned-seal-decals-coding-operations such as packing are finished by machinery fully or substantially.
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