CN105176666A - Production process of wild pecan oil - Google Patents

Abstract

The invention discloses a production process of wild pecan oil. The production process sequentially comprises the following steps: cleaning, husking, screening, pressing, refining and filtering. According to the production process, wild pecans are husked by virtue a machine; by carrying out a cold pressing production process on the wild pecan oil, about 20% of wild pecan husks are preserved, the plasticity of pressed materials can be adjusted, and the pressing conditions are relatively ideal. Meanwhile, by virtue of a jack theory and a hydraulic pressing manner, the yield is high, and the power consumption is low. By virtue of the most advanced pure physical cold pressing grease production line, the cold-pressed wild pecan oil is good in color, aroma and flavor and preserves various nutrient contents.

Description

Wild hickory oil production technique

Technical field:

The invention belongs to natural health care class, particularly relate to the technique that Wild hickory oil is produced.

Background technology:

Wild hickory has another name called English walnut, and the common name of Wild hickory oil platymiscium seed oil, the Wild hickory sold in the market oil is described as east sweet oil by world market.The lipid acid composition mid-oleic of Wild hickory oil is higher than 67%, and oleic acid, linolic acid, linolenic acid sum, more than 90%, meet HUMAN HEALTH needs very much.Physiologically active substance also containing uniqueness in Wild hickory oil is as Semen Caryae Cathayensis glucoside, Semen Caryae Cathayensis saponin, Semen Caryae Cathayensis polyphenol, squalene etc.Therefore Wild hickory oil is medically also used for auxiliaryly controlling cardiovascular disorder, promotes bone and nervous system development, anti-oxidant and immunity moderation function, preventing cancer etc.In addition, medical science external application and makeup also there is special efficacy.Pecan oil iodine number is low, smoke point is high, good stability.Be used for frying bake, local flavor spy is good.Therefore Wild hickory oil is the xylophyta oil of a kind of high-quality, high nutritive value.

The first-class Wild hickory kernel grown in Wild hickory oil raw material selection Qinling Mountains Daba Mountain height above sea level 1200 meters of original ecotopes in depths, form so that traditional physical squeezing method is refining, fully remain the ecosystem nutrition elite of Wild hickory kernel, having the distinctive nut fragrance of Wild hickory kernel, is the senior xylophyta nutritional oil in the special product of Hanzhong.The nutritive value of 1kg walnut kernel approximates 3kg lean meat, 5kg egg, 9.5kg milk.Containing abundant linolenic acid in Wild hickory oil, unsaturated fatty acids total amount close to 90%, and is rich in the trace element such as Ga, Mg of flavones and vitamin A, B1, B2, C, E and needed by human body.

At present, Wild hickory oil adopts cold press production technique, and its feature is that Wild hickory contains shell 55%-60%, and the oil expression of band shell can reduce equipment Milling Capacity, and the oil suction of shell bran can increase the loss of oil, and oil colours is dark.Should to shell in theory oil expression, but Wild hickory protein content is low, and saponin class isocolloid material is more, stickiness is very large, and when extracting oil with oil press zhai, easily thorax is squeezed in blocking, and oil not easily flows out.

Technology contents:

The object of the invention is exactly the defect in order to make up prior art, there is provided a kind of employing step, (shell as hard as iron) is peeled off with machine, cold physical squeezing, high temperature refinery, solve the nutritive value being difficult to take food, the Reliable guarantee of oil yield rate and oil quality can be improved, the thing nutritive value of original ecology is preserved.

The present invention is achieved by the following technical solutions, carries out according to the following steps successively: clear up, peel off, screen, squeeze, refining, filtration, the present invention adopts machine to peel off to Wild hickory.

Concrete technology is:

1.. select Wild hickory dry fruit then, remove the rotten walnut that goes rotten;

2.. adopt the broken shell of step machine decorticator, shell retains 20%;

3.. utilize screw block principle, fluid pressure type to squeeze, kernel enters cold oil press squeezing, and de-slag obtains crude oil;

4.. refining is come unstuck, oil temperature is risen to more than 70 DEG C, adds water, and pure water temperature is higher than 70 DEG C, while add waterside to stir 10-20 minute, general amount of water is about 3.5 times of phosphatide reserves, stirs 15-30 minute again after adding water, insulation leaves standstill and precipitates for 5-8 hour, gets supernatant walnut oil;

5.. with the depickling of alkali refining method, deodorization, remove the free fatty acids in crude oil;

6.. the crude oil after depickling is adjusted to temperature about 85 DEG C, add clear water that is identical with oil temperature or slightly high-temperature and wash, with except alkali lye residual in deoiling and soap stock; Water consumption is the 10-15% that oil is heavy at every turn, low rate mixing during washing, then leaves standstill 5 hours, releases bottom waste water, according to circumstances washs 2-3 time;

7.. vacuum-drying, sucked in drying chamber by the crude oil after washing, by Oil-temperature control at 70-80 DEG C, time of drying is 2-4 hours, and vacuum degree control is between 0.078pm-0.09pm, and oil sample is as clear as crystal is qualified;

8.. filter.

Positively effect of the present invention:

Invention increases the oil yield of Wild hickory, stopped Wild hickory oil because not extracting the phenomenon be wasted completely, and ensure that the quality of Wild hickory oil, tooling suitability is strong, is specially adapted to the production of short run special oil, refining.Producing starting material is all the Wild hickory coming from innerland, mountain valley, remote mountains, popular name " J. sigillata ".Its shell as hard as iron, the few difficulty of benevolence takes food, and its fruit growth cycle is long, volunteer.Have abundant nutrition, people are be difficult to take food edible to this fruit at ordinary times, now adopt machine to peel off to it, machine is through repeatedly improving, peel off more clean, decrease the wasting of resources, make to be difficult to take food nutritive value that is edible, that be difficult to obtain and retained in squeezing.

Described Wild hickory oil adopts cold press production technique, and leave the Wild hickory shell adjustable squeezing material plasticity of about 20%, squeezing condition is ideal.Meanwhile, adopt the squeezing of screw block principle, fluid pressure type, output is high, power consumption is few.Adopt state-of-the-art pure physical cold oil expression fat production line, it is complete that cold press has color, remains various nutritive ingredient.

Embodiment:

Wild hickory oil high temperature refinery production technique:

(1) Wild hickory stripping broken after, remove Part Wild Semen Caryae Cathayensis shell, but can retain 20% containing shell amount;

(2) the Wild hickory benevolence had containing shell is screened, cleared up;

(3) utilize the principle of screw block to squeeze the Wild hickory benevolence after screening, obtain crude oil and squeeze cake;

(4) squeezing crude oil is carried out high temperature alkali refining, washing, dewaters, is come unstuck, deodorization, obtain refining Wild hickory oil;

(5) high-temperature vacuum drying is carried out to refining Wild hickory oil, vacuum tightness is remained between 0.078pa-0.09pa;

(6) pecan oil after dried carries out filtration treatment and obtains processed oil;

(7) processed oil tested, store, pack, sell.

Gordian technique:

1, hydration degum

Coming unstuck is exactly the peptized impurities removed in crude oil, and hydration degum is exactly the wetting ability utilizing coming unstuck property impurity, the water of some amount or electrolysis solution under agitation, adds in crude oil, makes the colloid water-swelling in crude oil, cohesion separating.High temperature refinery working method: a, pump in hydration tank by crude oil, open Heat-transfer Oil Pump, light heat-conducting oil furnace, the water in hot-water cylinder, under (60rpm), through heat-conducting oil heating to about 70 DEG C, meanwhile, is heated to 70 DEG C or slightly high by crude oil; B, while stirring, add clear water that is identical with oil temperature or slightly high-temperature, continue the several minutes time in the process that adds water, general amount of water is about 3.5 times of phosphatide reserves, if the mechanical impurity in oil or mucus thing are many, add water and suitably increases.During aquation, spoon or sheet glass sampling are observed, and grasp amount of water by rule of thumb and add water speed.Stir about about 30 minutes, while slow stirring, is slowly warming up to 80 DEG C, stops stirring, extinguishes heat conducting furnace, utilize residual heat insulation; C, standing sedimentation time are generally 5---and 8 hours, after sedimentation, release bottom oil foot, leave edible vegetable oil to treat depickling (for the crude oil that acid value is higher).

2, alkali-refining deacidification

Depickling is exactly the free fatty acids removed in crude oil, conventional alkali refining, and alkali refining working method: a, adjustment crude oil temperature are 30---and 40 DEG C; B, add pre-configured alkali lye, whole alkali lye is 5---once adds in 10 minutes, be equipped with (60rpm) at a high speed to stir simultaneously, alkali lye adds rear continuation and stirs about 30 minutes slowly, start to be separated to oily soap, open thermal oil and be warming up to 60---70 DEG C, continue stirring 15 minutes, temperature controls at about 1 DEG C/min.C, standing sedimentation time are generally 5---and 8 hours, after sedimentation, release bottom soap stock, leave edible vegetable oil to wait to wash, be incubated in settling process, to accelerate settling velocity.

3, wash

Crude oil after depickling is adjusted to temperature about 85 DEG C, add clear water that is identical with oil temperature or slightly high-temperature and wash, with except alkali lye residual in deoiling and soap stock.Water consumption is that oil is heavy by 10 at every turn---15%, and low rate mixing during washing, then leave standstill 5 hours, and release bottom waste water, according to circumstances wash 2---3 times.

4, vacuum-drying

Sucked by crude oil after washing in drying chamber,---80 DEG C, time of drying is 2---4 hours by Oil-temperature control 70, dry inspection with sample is as the criterion, and sample inspection sampling is in glass test tube, and be cooled to 20 DEG C, oil sample is as clear as crystal is qualified.Also can rule of thumb, in drying chamber, fog disappears, and represents and reaches dry requirement, by vacuum degree control between 0.078pm-0.09pm.After drying reaches requirement, open cooling water valve, oil temperature is reduced to less than 50 DEG C.

5, filter

Oil filter is loaded onto oil strain cloth; filter cloth will be set level whole; avoid fold; with compacting device, one piece of block filter plate is compressed, open oil pump and start to filter, in oil strain process; check that every block filter plate oil caught on a filter is as clear as crystal; when the pressure gauge reading on oil filter reaches 0.35Mpa, will scarfing cinder be shut down, change filter cloth.Oil after filtering is stored, inspection, and then carry out packaging and dispatch from the factory.Company produces in each process has strict requirement and rigorous working specification.

The applicable crowd of Wild hickory oil:

(1) pregnant woman and baby: pregnant woman Wild hickory oil is to the brain of fetus and grow extremely beneficial, makes fetal bone physically well develop simultaneously.Linolenic acid to the brain of fetus, retina, skin and kidney grow sound very important.From fetus period 2-6 week to latter two years old of birth, it is human body brain and retinal development of paramount importance stage.Because parent is fetus and brephotrophic main provider, thus the pregnancy period and lactation edible wild pecan oil grow extremely important to fetus and infant nutrition.

(2) mid-aged population: Wild hickory oil to prevention the elderly normal send out property disease (cerebral thrombosis, hypertension, coronary heart disease, heart failure, hyperlipidaemia, irregular pulse, arteriosclerosis, vertigo etc.) particularly Cardial or cerebral vascular diseases have obvious effect, superfluous cholesterol can also be removed, play the effect keeping blood flow unimpeded.Brain and amphiblestroid maintenance are played an important role simultaneously, and effectively can prevent forgetful, senile dementia and presbyopia, delay senility, and help improve eyesight.

(3) postoperative rehabilitation crowd after being ill: it is golden yellow that the carotene in Wild hickory oil component and chlorophyll give Wild hickory oil, and chlorophyll plays metabolism, Promote cell's growth, accelerating wound healing.The antioxidant that Wild hickory oil contains can eliminate interior free yl, recovers the state of health of viscera organ, can prevent brain aging, and can promote longevity.

(4) crowd of high loading brainwork is engaged in: Wild hickory oil, for the personage that excessively requires mental skill, has relieving brain fatigue, Improving memory and helps the effect of brain development.In addition, the antioxidant component vitamin-E contained in Wild hickory oil is the good hand strengthening body immunity, can delay senility.

Using method:

(1) make mixed oil by oneself: mixed in the ratio of 1: 5 ~ 1: 10 with daily edible soybean oil, peanut oil, vegetable seed wet goods by Wild hickory oil, eat by daily habits and can reach good supplementing and balanced nutritious object.

(2) cold and dressed with saucely to go with rice or bread: put into a little seasoning when mixing cold dish or increase gloss.

(3) massage base oil is made.

(4) fry, decoct, boil, explode, bake, cold and dressed with sauce or directly take (effect is better).

Pharmaceutical use:

Function one cancer-resisting: containing abundant omega-fatty acid in Wild hickory butternuts oil, cancerous swelling enzyme required in metabolism can be fought for ω-6 lipid acid, the cytolemma of cancer cells is become and is easy to destroy, thus inhibition tumor cell growth, reduce tumor incidence, and effect of radiotherapy and chemotherapy can be strengthened.Some cancer patients in recent years, often edible walnut, or the nonstaple food of walnut kernel price, obviously has the positive function controlling the metastasis of cancer.

Function two is anti-oxidant, anti-ageing, purged body is interior crosses polyradical: Wild hickory oil has stronger anti-oxidant function, the ability of its scavenging free radicals: Wild hickory oil > sesame oil > oleum lini > sweet oil > peanut oil.Experiment shows: appropriate Wild hickory oil significantly can reduce the content of mda (MDA) in mouse brain and liver tissues, significantly improve the activity of the total antioxidant capacity (T-AOC) in liver, cerebral tissue, superoxide-dismutase (SOD) and catalase (CAT), thus enhancing body is anti-oxidant, anti-ageing, the interior polyradical excessively of purged body.

Function three brain tonic and intelligence development Improving memory: the record that Shennong's Herbal has " food make us fertile and be good for, fill out brains ".Modern study shows that Wild hickory oil has nutrition cranial nerve cell, improve learning memory and retinal reflex ability, promote sleep, regulating plant is neural, prevention senile dementia etc., not only can do medicinal, especially the nutritional oil of pregnant woman, infant and old man, the high-class healthy oil of working aloft and pilot personnel.

Claims (1)

1. a Wild hickory oil production technique, is characterized in that;

1.. select Wild hickory dry fruit then, remove the rotten walnut that goes rotten;

2.. adopt the broken shell of step machine decorticator, shell retains 20%;

3.. utilize screw block principle, fluid pressure type to squeeze, kernel enters cold oil press squeezing, and de-slag obtains crude oil;

4.. refining is come unstuck, oil temperature is risen to more than 70 DEG C, adds water, and pure water temperature is higher than 70 DEG C, while add waterside to stir 10-20 minute, general amount of water is about 3.5 times of phosphatide reserves, stirs 15-30 minute again after adding water, insulation leaves standstill and precipitates for 5-8 hour, gets supernatant walnut oil;

5.. with the depickling of alkali refining method, deodorization, remove the free fatty acids in crude oil;

6.. the crude oil after depickling is adjusted to temperature about 85 DEG C, add clear water that is identical with oil temperature or slightly high-temperature and wash, with except alkali lye residual in deoiling and soap stock; Water consumption is the 10-15% that oil is heavy at every turn, low rate mixing during washing, and rear standing 5 hours, release bottom waste water, according to circumstances wash 2-3 time;

7.. vacuum-drying, sucked in drying chamber by the crude oil after washing, by Oil-temperature control at 70-80 DEG C, time of drying is 2-4 hours, and vacuum degree control is between 0.078pm-0.09pm, and oil sample is as clear as crystal is qualified;

8.. filter.