CN102511900B - Pine nut grinding method - Google Patents
Pine nut grinding method Download PDFInfo
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- CN102511900B CN102511900B CN201110420160.8A CN201110420160A CN102511900B CN 102511900 B CN102511900 B CN 102511900B CN 201110420160 A CN201110420160 A CN 201110420160A CN 102511900 B CN102511900 B CN 102511900B
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Abstract
The invention relates to a pine nut grinding method, which includes: firstly, selecting pine nuts; secondly, placing the pine nuts selected in the step 1 into citric acid solution for soaking; thirdly, grinding the pine seeds soaked in the step 2; and fourthly obtaining ground pine nuts. No strong alkali inorganic chemical is needed in the method, so that potential hazards of residue of the organic harmful chemicals upon human bodies are avoided, and water pollution is reduced. The pine nut grinding method is technically revolutionary in pine nut grinding and has profound influence on development of the pine nut industry.
Description
Technical field
The present invention relates to a kind of mill skin method, particularly relate to a kind of mill skin method of pine nut.
Background technology
Pine nut is the seed of pine tree, and also known as korean pine seed, be a kind of this wood plant nut, be pine nut pulp in hard shell, hard shell is outward the epidermis of one deck black.Pine nut in state-owned masson pine, pinus yunnanensis, Huashan pine, also have Korean pine.Pine nut taste warm in nature is sweet, there is yin-nourishing, relieve dizziness, high fever, infantile convulsions, epilepsy, etc., moistening lung, the effect such as laxation.Control the diseases such as wandering arthritis, dizzy, cough caused by dryness, haematemesis, constipation." Japan hanako materia medica " carries " by wandering arthritis cold air, empty thin weak breath, tonifying for the deficiency, profit skin, fertile the five internal organs." " beautiful Chinese catalpa medicine solution " carry " moisten the lung and relieve the cough, laxation defaecation, switch by numbness, the flourish hair of damp skin." often food pine nut can be prolonged life as seen, beauty treatment.
Pine nut is rich in the materials such as fat, protein, carbohydrate.Pine nut is important Chinese medicine, and the heart of food body-building for a long time, skin care, promotes longevity, and also has very high food therapy value.Be that raw material can be processed into multiple pine nut food with pine nut: as food such as pine nut, various pinenut and pine nut milks.
But, the process that delicious pine nut but needs layer by layer be had, as techniques such as mill skin, opening, oven dry.Mill skin is a kind of technique of being sloughed by the surface skin of pine nut.At present, both at home and abroad for the research of pine nut mill skin technology, mainly concentrate on highly basic (NaOH) corrosion mill pico farad, as patent document 1 (CN 1142920A) discloses a kind of pine nut surface skin removing process.This process comprises the following steps: pine nut to be added in the dilute alkaline soln of 3-10% boiling 10-30 minutes by (one); (2) pine nut of above-mentioned boiling is rubbed, remove surperficial casting skin, rinse with water.
CN 1421156 A discloses the method for a kind of pine nut mill skin, comprises 1) selected: pine nut is dropped at soak at room temperature 1-2 hour in water, then remove ghost, flat shell and impurity; 2) soak: put into by the pine nut after selected in 0.8-1% sodium hydroxide solution and the 0.4-0.6% amylase mixed solution by equal-volume ratio, soak time is 1-2 hour, then takes out and cleans to pH value as neutral; 3) grind skin: by pine nut and the chicken girt after cleaning and water, together put into water and shake cylinder and carry out grinding and within 2-3 hour, make the shell of pine nut thinning.
Food industry processing aid uses regulation: processing aid should use in food production process, should have technique necessity during use, should reduce use amount as far as possible under the prerequisite that accomplishes the end in view.Although NaOH belongs to the processing aid of food industry license, in pine nut processing industry there is not technologic certainty in it, so can not be pine nut processing aid.And NaOH as well known to those skilled in the art (being commonly called as caustic soda, caustic soda, caustic soda), it is a kind of white crystal under normal temperature, there is severe corrosive, all have comparatively strict regulation according to aspects such as " safety management of dangerous chemical products regulations " its safe handling, production, storage, transport, handling.If in use denseer sodium hydroxide solution splashes on skin, can epidermis be corroded, cause burn.It has dissolution to protein, has intense stimulus and corrosivity (because it has dissolution to protein, compared with acid burn, the more difficult healing of alkali burn).NaOH dust exciting eye and respiratory tract, corrosion nasal septum; Splash on skin, especially splash mucous membrane, soft scab can be produced, and can deep tissues be infiltrated, after burning, leave scar; Be splashed into intraocular, not only corneal damage, and eyes deep tissue can be made to damage, severe patient can cause blind; Wrongly take and alimentary canal can be caused to burn, angina, mucosal erosion, vomiting courageous and upright gastric content, bloody diarrhea, celostomia, dysphagia, shock, Alimentary Tract Perforation occur sometimes, can there is gastrointestinal stenosis in the later stage.Due to strong basicity, can pollute water body, attention be should give to plant and aquatile.In food processing process, violation or excessive use NaOH all can produce serious harm as can be seen here.
Therefore, this alkali corrosion mill pico farad exists and human body is existed to very large potential hazard, also can pollute water, even causes the problems such as the loss of pine nut nutrition composition.On the one hand original local flavor of heavy damage kernel and nutritional labeling, be also unfavorable for that consumer's is healthy on the other hand, do not meet the requirement of food safety and sanitation.
Summary of the invention
For defect and the deficiency of prior art, the object of the present invention is to provide a kind of mill skin method of pine nut.Do not need in the method to use highly basic class inorganic chemicals, avoid the potential hazard that inorganic hazardous chemical medicinal residue produces human body, again reduce the pollution to water simultaneously, the pine nut produced both had remained original local flavor and the nutritional labeling of kernel, also be beneficial to the healthy of consumer, meet the requirement of food safety and sanitation.Be the revolution of pine nut mill skin technology, have profound influence to the development of pine nut industry.
The mill skin method of pine nut provided by the present invention, comprises the steps:
1) pine nut is chosen;
2) by step 1) pine nut chosen puts into citric acid solution and soaks;
3) by step 2) soak after pine nut carry out mill skin;
4) pine nut grinding skin is obtained.
As optimal technical scheme, step 1) described in the moisture content of pine nut be 10-60%, preferred 10%-40%, is particularly preferably 14%.Certain moisture content can make the film on pine nut surface be in rarefaction, thus can form the effect of hydrone tension force on pine nut surface, and the present invention selects the moisture content of pine nut to be 10-60%, and preferred 10%-40% can make mill bark effect better when being in particular 14%.
As optimal technical scheme, step 2) described in the concentration of citric acid solution be 0.5wt% ~ 15wt%, preferred 1wt% ~ 10wt%, further preferred 3wt% ~ 5wt%.
Citric acid is a kind of important organic acid, has another name called citric acid, clear crystal, and normal containing a part crystallization water, odorless, has very strong tart flavour, soluble in water.Its calcium salt is than soluble in hot water in cold water, and this character is commonly used to qualification and separation of citric acid.Control suitable temperature during crystallization and can obtain anhydrous citric acid.In industry, grocery trade, cosmetic industry etc. has extremely many purposes.Food is generally used for the manufacture of the food such as various beverage, carbonated drink, grape wine, candy, dessert, biscuit, canned fruit juice, dairy products.Inventor found through experiments, and citric acid achieves unexpected effect at the mill Pi Shangye of pine nut, by groping different mill leather strap parts, can obtain the pine nut of 100% mill skin rate.Therefore, the present invention chooses citric acid and had both avoided on the one hand as soak the potential hazard that inorganic hazardous chemical medicinal residue produces human body, again reduces the pollution to water simultaneously.The present invention is the revolution of pine nut mill skin technology, has profound influence to the development of pine nut industry.
Meanwhile, inventor also finds, when other conditions are constant, along with the increase of the concentration of citric acid solution, the mill skin rate of pine nut also improves thereupon; And the concentration of citric acid solution acquires a certain degree, mill skin rate improves no longer thereupon.So the present invention selects the concentration of citric acid solution to be 0.5wt% ~ 15wt%, be preferably 1wt% ~ 10wt%, when the concentration of citric acid solution is at 3wt% ~ 5wt%, both can have reached and grind bark effect preferably, and make again citric acid raw material be fully used.
As optimal technical scheme, it is characterized in that, step 2) described in soak time be 0.5h ~ 2h, preferred 2h.Within the regular hour, mill skin rate improves along with the growth of soak time, but after soak time is more than 2h, mill skin rate no longer improves along with the growth of soak time.Therefore soak time of the present invention is 0.5h ~ 2h, when soak time is 2h, has not only taken into account mill bark effect but also be conducive to enhancing productivity.
As optimal technical scheme, step 4) described in the mill skin time be 0.5h ~ 5h, preferred 1h ~ 5h, further preferred 2h ~ 4h.Similarly, within the regular hour, mill skin rate improves along with the growth of mill skin time.For having taken into account mill bark effect and production efficiency, the present invention has selected the mill skin time to be 0.5h ~ 5h, preferred 1h ~ 5h, when the mill skin time is 2h ~ 4h, can reaches and grind bark effect preferably.
As optimal technical scheme, pine nut of the present invention is northeast pine nut.
Method provided by the present invention is adopted to carry out mill skin to pine nut, can remove human body potential hazard, can reduce again the pollution to water, the pine nut produced both had remained original local flavor and the nutritional labeling of kernel, also be beneficial to the healthy of consumer, meet the requirement of food safety and sanitation.The present invention is the revolution of pine nut mill skin technology, has profound influence to the development of pine nut industry.
Detailed description of the invention
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment only understands the present invention for helping, and should not be considered as concrete restriction of the present invention.
Experiment content
1 material and instrument
Test selects pine nut to be research object, and SEMEN PINI KORAIENSIS moisture content reaches 14%, for preventing moisture loss, being placed in refrigerator by test sample plastic bag sealing and refrigerating.
Decorticating mill (power: 6kW).
2 test methods
Adopt 3 factor complete combination tests, 10 kilograms, the northeast pine nut that each combination selected shape is similar, size is close is as repeated sample.During off-test, observation pine nut shell mill skin situation is gone forward side by side line item.
3 results and analysis
It is as shown in the table for pine nut shell mill skin situation:
Show as pine nut shell mill skin result of the test
Conclusion: the concentration of (1) citric acid is relevant with mill skin rate, is directly proportional in certain limit; The mill skin time is also directly proportional within the specific limits to mill skin rate.
(2) work characteristics of decorticating mill, namely grinds skin thing under the effect of inertia, overcomes resistance and move, little with how many relations of mill skin thing.
(3) citric acid soak time more than 2 hours after little with mill skin rate relation.
(4) citric acid immersion mill pico farad is practical.
By studying above and can finding out, adopt novel pine nut mill skin method, can remove human body potential hazard, the pollution to water can be reduced again, be the revolution of pine nut mill skin technology, have profound influence to the development of pine nut industry.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (8)
1. a mill skin method for pine nut, comprises the steps:
1) pine nut is chosen;
2) by step 1) pine nut chosen puts into citric acid solution and soaks;
3) by step 2) soak after pine nut carry out mill skin;
4) pine nut grinding skin is obtained;
Wherein, step 1) described in the moisture content of pine nut be 10-60%; Step 2) described in the concentration of citric acid solution be 2wt% ~ 15wt%, described soak time is 0.5h ~ 2h; Step 4) described in the mill skin time be 2h ~ 5h; The power of decorticating mill is 6kW.
2. the method for claim 1, is characterized in that, step 1) described in the moisture content of pine nut be 10%-40%.
3. method as claimed in claim 2, is characterized in that, step 1) described in the moisture content of pine nut be 14%.
4. method as claimed in claim 1 or 2, is characterized in that, step 2) described in the concentration of citric acid solution be 2wt% ~ 10wt%.
5. method as claimed in claim 4, is characterized in that, step 2) described in the concentration of citric acid solution be 3wt% ~ 5wt%.
6. the method as described in any one of claims 1 to 3, is characterized in that, step 2) described in soak time be 2h.
7. the method as described in any one of claims 1 to 3, is characterized in that, step 4) described in the mill skin time be 2h ~ 4h.
8. the method as described in any one of claims 1 to 3, is characterized in that, described pine nut is northeast pine nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420160.8A CN102511900B (en) | 2011-12-15 | 2011-12-15 | Pine nut grinding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420160.8A CN102511900B (en) | 2011-12-15 | 2011-12-15 | Pine nut grinding method |
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| Publication Number | Publication Date |
|---|---|
| CN102511900A CN102511900A (en) | 2012-06-27 |
| CN102511900B true CN102511900B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110420160.8A Active CN102511900B (en) | 2011-12-15 | 2011-12-15 | Pine nut grinding method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107136525B (en) * | 2017-05-10 | 2019-03-26 | 贵州省务川县照石坊农林（集团）有限公司 | The processing method of sunflower pine nut |
| CN111543612B (en) * | 2020-05-27 | 2022-05-10 | 洽洽食品股份有限公司 | Semen trichosanthis and processing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2284140A (en) * | 1993-11-24 | 1995-05-31 | Mosunmade Olubanke Hallam | Removing the skin from beans |
| CN1142920A (en) * | 1995-08-15 | 1997-02-19 | 昆明市康可凯食品有限责任公司 | Technical method for decrustating pine nut |
| CN1421156A (en) * | 2001-11-30 | 2003-06-04 | 吉林省巨龙高科技术开发有限责任公司 | New pine nut processing method |
| CN1589684A (en) * | 2004-03-11 | 2005-03-09 | 武汉工业学院 | Method of Chinese chest nut kernel non destructive non browning peeling and removing inner shin and its equipment |
| CN102210478A (en) * | 2011-04-18 | 2011-10-12 | 法蕾 | Technology for rapidly separating skin of almonds |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1797622C (en) * | 1990-12-10 | 1993-02-23 | Научно-производственное объединение "Алтай" | Method of cedar nut cleaving |
| JP2001019703A (en) * | 1999-07-08 | 2001-01-23 | Kinichi Seno | Mung bean starch and its production |
-
2011
- 2011-12-15 CN CN201110420160.8A patent/CN102511900B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2284140A (en) * | 1993-11-24 | 1995-05-31 | Mosunmade Olubanke Hallam | Removing the skin from beans |
| CN1142920A (en) * | 1995-08-15 | 1997-02-19 | 昆明市康可凯食品有限责任公司 | Technical method for decrustating pine nut |
| CN1421156A (en) * | 2001-11-30 | 2003-06-04 | 吉林省巨龙高科技术开发有限责任公司 | New pine nut processing method |
| CN1589684A (en) * | 2004-03-11 | 2005-03-09 | 武汉工业学院 | Method of Chinese chest nut kernel non destructive non browning peeling and removing inner shin and its equipment |
| CN102210478A (en) * | 2011-04-18 | 2011-10-12 | 法蕾 | Technology for rapidly separating skin of almonds |
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| CN102511900A (en) | 2012-06-27 |
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Address after: 242300, No. 6, South Outer Ring Road, Ningguo economic and Technological Development Zone, Anhui, Xuancheng Patentee after: ANHUI ZHANSHI FOOD CO., LTD. Address before: 242300, No. 6, South Outer Ring Road, Ningguo economic and Technological Development Zone, Anhui, Xuancheng Patentee before: Anhui Zhanshi Food Co., Ltd. |