CN102907716A - Low-oxygen production technology of peanut butter - Google Patents

Abstract

The invention discloses a low-oxygen production technology of peanut butter, which includes the following steps: 1), checking and accepting raw material; 2), screening and grading; 3), metal detecting; 4), continuous baking; 5), low-temperature decrustation; 6), color sorting; 7), picking; 8), nitrogen-generating; 9), grinding butter; 10), secondary fine grinding; 11), vacuum filling; and 12), labelling and printing for storage. The low-oxidation is realized for the key procedures by continuously refilling the grinding line and the packaging line with nitrogen through the nitrogen generator, so that acid value and the peroxide value are reduced, the aerobic environment for supporting the harmful microorganisms is inhibited, oxidation and corruption of peanut oil are effectively prevented, the flavor of the product is retained, the product sanitary safety is improved, the product quality is ensured, the investment cost is low, the additional value is high, the production quality is stable, and the operation is stable.

Description

A kind of peanut butter hypoxemia production technology

Technical field

The present invention relates to a kind of food production technology field, relate in particular to a kind of peanut butter hypoxemia production technology.

Background technology

Peanut butter is that the employing shelled peanut is raw material, by convenient, the high nutrition non-staple food of making after the processes, the production technology of present domestic peanut butter, usually through screen, roast, the operation such as decortication, sorting, grinding, then form by seasoning, this technique is produced under aerobic environment, there is following problem: 1) harmful microorganism can not be controlled effectively and the environment of deriving, cause product apt to deteriorate, the resting period is short, and quality is low; 2) the dissolving adsorbance of the degree of oxidation of peanut oil and oxygen is large in the process of lapping, causes the product nutrition leak; 3) the grinding fine grade is coarse, and product category is single, and the effective exploitation of failing goes out the nutritive value of peanut and potential added value.And low-oxygen environment is adopted in the peanut butter production of external Systems in Certain Developed Countries, utilize carbon dioxide to reduce grinding, the oxygen content in canned, the aerobic environment of deriving to reach isolated harmful microorganism, reach simultaneously the purpose of the dissolving adsorbance of the degree of oxidation that reduces peanut oil and oxygen, this kind production technology has solved the subproblem in the domestic production technique, but exist production cost high, the production technology complicated operation just might produce the problems such as secondary pollution a little accidentally in process of production.

Can be found out by above-mentioned analysis, in the production of the outer peanut butter of Present Domestic, exist when dropping into low cost, of poor quality, added value is low, the problems such as and quality and added value have improved, and production cost is too high, and production operation control is complicated, therefore a kind of input cost of need of production of this product is low, added value is high, constant product quality, production technology simple to operate, but has no relevant report in the prior art.

Summary of the invention

In order to solve the problems of the prior art, the purpose of this invention is to provide that a kind of input cost is low, added value is high, constant product quality, peanut butter hypoxemia production technology simple to operate.

For achieving the above object, the technology used in the present invention means are: a kind of peanut butter hypoxemia production technology, its step comprises: one, raw material is checked and accepted: raw material carries out inspection by sampling by quality testing department to raw material first after entering factory, aspergillus flavus＜4ppb wherein, moisture≤15%, peroxide value≤0.5meq/kg, acid value≤4.0mg/g, qualified rear examination; Two, sieving and grading: pick out the impurity in the shelled peanut, carry out sieving and grading according to the shelled peanut specification standards; Three, metal detection: utilize metal detector to get rid of fully by the metal in the shelled peanut of sieving and grading and dirt; Four, serialization baking: the shelled peanut that step 3 obtains is put into Automatic continuous charging baking oven, adopts sectional temperature-controlledly, every section temperature auto-control is at 110-130 ℃, always stoving time 20-30min; Five, low temperature decortication: the shelled peanut after the step 4 baking is entered the low-temperature bake streamline, utilize the peeling machine decortication after the baking; Six, look choosing: utilize photoelectric colour sorter with the heterochromatic particle automatic rejection in the shelled peanut, make shelled peanut appearance luster uniformity; Seven, pick: the step 6 look selects the laggard shelled peanut that enters streamline again to pick; Eight, nitrogen processed: utilize nitrogen making machine and carbon molecular sieve to prepare the nitrogen of 99% purity, and distribute to production line by air distributor; Nine, mill sauce: shelled peanut is sent into mill sauce production line continuing to fill grinding under the low-oxygen environment of nitrogen, the process of grinding adds flavoring, emulsifying agent and stabilizing agent; Ten, secondary fine fine lapping: the semi-finished product that step 9 is ground further grind, and keep filling the low-oxygen environment of nitrogen; 11, vacuum filling: the peanut butter that step 10 is ground is sent on the weighing-packaging machine, according to the weight that arranges fill carry out under the environment of nitrogen canned; 12, labeling coding warehouse-in: with finished product coding, the labeling after the can, then put in storage.

Beneficial effect of the present invention is: constantly replenish nitrogen to abrasive wire, baling line by nitrogen making machine and realize the critical process suboxides, thereby acid value and peroxide value have been reduced, suppressed the aerobic environment that harmful microorganism is depended on for existence, the oxidation that effectively prevents peanut grease is ruined, the local flavor that keeps product, improve the product safe and sanitary, guarantee product quality, input cost is low, added value is high, constant product quality, simple to operate.

Description of drawings

Below in conjunction with accompanying drawing technical scheme of the present invention is described.

Fig. 1 is the present invention and the chart of production technology contrast both at home and abroad.

The specific embodiment

A kind of peanut butter hypoxemia production technology as shown in Figure 1, its step comprises:

One, raw material is checked and accepted: raw material carries out inspection by sampling by quality testing department to raw material first after entering factory, aspergillus flavus＜4ppb wherein, moisture≤15%, peroxide value≤0.5meq/kg, acid value≤4.0mg/g, sampling observation to aspergillus flavus, the peanut that can control with aflatoxin from the source enters processing link, greatly reduce the risk that product contains aflatoxin, detection to moisture, can make raw material when storage, keep relatively low humidity, the environment of destroy microorganisms normal growth, reduce to a certain extent the risk that product contains microorganism, detection to peroxide value and acid value, mainly be the substandard products risk of sneaking into really of going rotten and becoming sour from source control, qualified rear examination;

Two, sieving and grading: pick out the impurity in the shelled peanut, carry out sieving and grading according to the shelled peanut specification standards, by the sieve specification of the changing screening machine shelled peanut raw material that size is uneven, realize screening according to customer demand, remove stone, soil block, glass, heavy seeds and the peanut skins such as metal, plastics, the rope made of hemp, the light impurities such as dust, evenly be tiled in shelled peanut on the conveyer belt, choose by hand bad grain, the bud grain, mould grain, the grain of damaging by worms, make the shelled peanut free from admixture of classification, reach the ideal effect of uniform quality, guaranteed that the shelled peanut that enters next procedure meets production standard;

Three, metal detection: utilize metal detector to get rid of fully by the metal in the shelled peanut of sieving and grading and dirt;

Four, serialization baking: the shelled peanut that step 3 obtains is put into Automatic continuous charging baking oven, adopts sectional temperature-controlledly, every section temperature auto-control is at 110-130 ℃, always stoving time 20-30min; Utilize numerical control program heating system subdivision independence temperature control to toast, but each cell temperature Set arbitrarily temperature value, utilize the circulating fan heat-shift in the heating process, the baking box feeding manner adopts the continous way automatic feed, the thickness of material, the temperature of work and the speed of operation all realize automatically adjustable, shelled peanut appearance luster uniformity after guaranteeing to toast, set up cooled region behind the baking box, realize baking and cooling integration production, compact conformation, noise is low, and is pollution-free, energy consumption is low, can not produce carbon monoxide and sulfur dioxide, can not produce pollution to shelled peanut, the sequencing continuously mean temperature of baking reaches 120 ℃, most of harmful microorganism in the assurance product is killed, has guaranteed the food security of shelled peanut;

Five, low temperature decortication: the shelled peanut after the step 4 baking is entered the low-temperature bake streamline, utilize the peeling machine decortication after the baking, the peeling rate can reach more than 98%, and low temperature decortication line adopts low-temperature bake, sectional temperature-controlled, the speed of service of material can be passed through variable frequency adjustment speed, and low-temperature bake is obvious especially to the effect of the dry baking of peanut, and the advantage of low temperature decortication production line is that noise is low, the moisture evaporation is fast, do not produce peroxidating matter, peeling rate is high, and percentage of damage is low;

Six, look choosing: utilize photoelectric colour sorter with the heterochromatic particle in the shelled peanut such as bad grain, bud grain, mould and the halfway peanut grain automatic rejection of peeling, make shelled peanut appearance luster uniformity;

Seven, pick: the step 6 look selects the laggard shelled peanut that enters streamline again to pick, to evenly be tiled on the conveyer belt through the shelled peanut of color selector, choose by hand bad grain, bud grain, mould grain, the grain of damaging by worms, the shelled peanut that assurance enters next procedure meets the standard of safety in production;

Eight, nitrogen processed: utilize nitrogen making machine and carbon molecular sieve to prepare the nitrogen of 99% purity, and distribute to production line by air distributor; Nitrogen making machine is according to the pressure-variable adsorption principle, take air as raw material, pressurization absorption and decompress(ion) regeneration hocket, finishing nitrogen oxygen separates, obtain required nitrogen, and at production line use air distributor, air-flow is more evenly distributed, utilize efficiently carbon molecular sieve, it is 99% nitrogen that purity can be provided about 20 minutes, has that operating cost is low, energy consumption is low, efficient is high, the automaticity advantages of higher, and shelled peanut all production lines from mill sauce to tinning are all produced filling under the environment of nitrogen, thereby destroyed the home of microorganism, guaranteed the quality of product;

Nine, mill sauce: shelled peanut is sent into mill sauce production line continuing to fill grinding under the low-oxygen environment of nitrogen, the process of grinding adds flavoring, emulsifying agent and stabilizing agent; The grinding of peanut butter is to continue to fill carrying out under the low-oxygen environment of nitrogen, mill sauce production line is selected and can be regulated diamond grinding head yield peanut in next life sauce, diamond grinding head has the advantage of hard wear resistant, corrosion resistance is splendid, at present peanut butter production is divided into meticulous type peanut butter (0.1-0.6mm) according to granular size, moderate type peanut butter (0.4-2.5mm), rough type peanut butter (0.5-7mm) three major types, this operation is once ground and can be ground than the more fine and smooth granular size of meticulous type peanut butter, temperature can increase 35-55 ℃ during grinding, make easily peanut produce peroxidating matter, this operation grinding production line is provided with air-cooler and realizes air-cooled, take away the heat that produces when grinding, not only can make the peanut butter fast crystal, increase the viscosity of peanut butter, and can also prevent the generation of peroxidating matter, guarantee the quality of product;

Ten, secondary fine fine lapping: the semi-finished product that step 9 is ground further grind, and the low-oxygen environment of nitrogen is filled in maintenance, peanut butter after the regrind can accurately grind in the 0.03-0.15mm scope, granular size than present meticulous type peanut butter (0.1-0.6mm) is more fine and smooth, thereby filled up the blank of this series products, improved the peanut butter competitiveness of product in market, produced filling under the environment of nitrogen, destroy the home of microorganism, guaranteed the quality of product;

11, vacuum filling: the peanut butter that step 10 is ground is sent on the weighing-packaging machine, according to the weight that arranges fill carry out under the environment of nitrogen canned, packing jar is sent to baling line by sterilization, dust removal process through conveyer belt, the peanut butter that simultaneous grinding is good is sent on the weighing-packaging machine, carry out cannedly according to the weight that arranges, tinning amount and tinning speed can be regulated arbitrarily, are potted under the environment that fills nitrogen and carry out, thereby destroyed the home of microorganism, guaranteed that product is aseptic;

12, labeling coding warehouse-in: with finished product coding, the labeling after the can, then put in storage, product carries out coding through ink jet numbering machine to be processed, set up strict product and can review system, the strict implement product batch principle that detects, according to QB1733.4-93 peanut butter industry standard, detect organoleptic indicator, physical and chemical index and sanitary index, guarantee that product quality meets standard.

This technique has been filled up domestic blank, overcome that domestic aerobic production technology raw material screening is inhomogeneous, acid value, peroxide value is high, product particle is thick shortcoming, and external filling CO 2 hypoxemia production technology carbon dioxide preparation complex process, equipment investment is large and operating cost is high, the shortcoming of potential carbon monoxide secondary pollution in the production process.

Embodiments of the invention are explained, and are not limited to this, anyly are familiar with those skilled in the art in the technical scope that the present invention discloses, and can expect easily changing or replacing, and all should be encompassed within protection scope of the present invention.

Claims (2)

1. peanut butter hypoxemia production technology, it is characterized in that: step comprises: one, raw material is checked and accepted: raw material carries out inspection by sampling by quality testing department to raw material first after entering factory, aspergillus flavus＜4ppb wherein, moisture≤15%, peroxide value≤0.5meq/kg, acid value≤4.0mg/g, qualified rear examination; Two, sieving and grading: pick out the impurity in the shelled peanut, carry out sieving and grading according to the shelled peanut specification standards; Three, metal detection: utilize metal detector to get rid of fully by the metal in the shelled peanut of sieving and grading and dirt; Four, serialization baking: the shelled peanut that step 3 obtains is put into Automatic continuous charging baking oven, adopts sectional temperature-controlledly, every section temperature auto-control is at 110-130 ℃, always stoving time 20-30min; Five, low temperature decortication: the shelled peanut after the step 4 baking is entered the low-temperature bake streamline, utilize the peeling machine decortication after the baking; Six, look choosing: utilize photoelectric colour sorter with the heterochromatic particle automatic rejection in the shelled peanut, make shelled peanut appearance luster uniformity; Seven, pick: the step 6 look selects the laggard shelled peanut that enters streamline again to pick; Eight, nitrogen processed: utilize nitrogen making machine and carbon molecular sieve to prepare the nitrogen of 99% purity, and distribute to production line by air distributor; Nine, mill sauce: shelled peanut is sent into mill sauce production line continuing to fill grinding under the low-oxygen environment of nitrogen, the process of grinding adds flavoring, emulsifying agent and stabilizing agent; Ten, secondary fine fine lapping: the semi-finished product that step 9 is ground further grind, and keep filling the low-oxygen environment of nitrogen; 11, vacuum filling: the peanut butter that step 10 is ground is sent on the weighing-packaging machine, according to the weight that arranges fill carry out under the environment of nitrogen canned; 12, labeling coding warehouse-in: with finished product coding, the labeling after the can, then put in storage.

2. peanut butter hypoxemia production technology according to claim 1 is characterized in that: in the described step 9 mill sauce operation, grinding production line is provided with air-cooler.

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