CN103892418B - A kind of cashew kernel peeling method - Google Patents
A kind of cashew kernel peeling method Download PDFInfo
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- CN103892418B CN103892418B CN201410165602.2A CN201410165602A CN103892418B CN 103892418 B CN103892418 B CN 103892418B CN 201410165602 A CN201410165602 A CN 201410165602A CN 103892418 B CN103892418 B CN 103892418B
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Abstract
The invention provides a kind of cashew kernel peeling method, comprise the following steps: the belt leather kernel after broken shell is carried out gradient heated-air drying by (1); (2) step (1) dried cashew kernel is carried out cold treatment; (3) cashew kernel after cold treatment is carried out the process of water smoke humidification; (4) cashew kernel after humidification process is carried out second time heated-air drying; (5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product; (6) cashew kernel after de-for decortication slag is carried out third time drying, obtain finished product.
Description
Technical field
The invention belongs to food processing field, be specifically related to a kind of cashew kernel peeling method.
Background technology
Cashew nut (Anacardium occidentale L.), Anacardiaceae Anacardium aiphyllium, the important dry fruit in the torrid zone and oil plant seeds, its kernel is one of world-renowned four large kernels (walnut, almond and fibert), deeply likes by the people of the world.Cashew nut originates in Brazilian northeast, the area within 10 °, south latitude, and 16 th Century import Asia and Africa into, now throughout East Africa and South Africa various countries.Cashew kernel is rich in abundant nutritional labeling, fat 47%, protein 21.1%, starch 4.6 ~ 11.2%, carbohydrate 2.4 ~ 8.7%, also containing the trace element such as several amino acids, vitamin and phosphorus, iron, calcium.Cashew nut is mainly used in making cashew nut kernel chocolate, dessert and first-class preserved fruit, and also can be used for making fried, salting food product, cashew nut kernel is nutritious, and local flavor is fragrant beautiful.Aliphatic acid contained in cashew nut kernel, major part is unrighted acid, and linoleic acid plus linolenic acid wherein can play effect of the diseases such as prevention of arterial sclerosis, headstroke etc.
But, cashew nut shape and size uneven, cause cashew kernel size shape to have bigger difference, and kernel and pericarp compact siro spinning technology, cause the pericarp of cashew kernel to be difficult to remove, this severely limits the development of cashew nut processing industry.
Summary of the invention
The object of the invention is the technical problem for solving above, provide that a kind of peeling rate is high, the measured cashew kernel peeling method of kernel decortication matter.
For this reason, the invention provides a kind of cashew kernel peeling method, comprise the following steps:
(1) the belt leather kernel after broken shell is carried out gradient heated-air drying;
(2) step (1) dried cashew kernel is carried out cold treatment;
(3) cashew kernel after cold treatment is carried out the process of water smoke humidification;
(4) cashew kernel after humidification process is carried out second time heated-air drying;
(5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product;
(6) cashew kernel after de-for decortication slag is carried out third time drying, obtain finished product.
As a kind of preferred embodiment of the present invention, in step (1), cashew kernel adopts gradient heated-air drying, and process is as follows: the first stage: 70-85 DEG C, dry 10-40min, second stage baking temperature 60-75 DEG C, dry 10-40min, phase III 50-60 DEG C, drying time 10-40min, fourth stage baking temperature is 70-90 DEG C, and drying time is 10-40min.
As a kind of preferred embodiment of the present invention, in step (2), dynamic cold wind treatment conditions are: temperature-15 ~ 20 DEG C, process 10 ~ 20min, air quantity regulates according to the size for the treatment of capacity, and calculate to process 1 ton of cashew kernel, air force is 3000-5000m
3/ h.
Preferably, static cold storage treatment conditions are :-15 ~-5 DEG C, process 5-15h.
As a kind of preferred embodiment of the present invention, in step (3), the condition of water smoke humidification process is: humidity is 70-100%, and humidification temperature is 10-40 DEG C, and humidification time is 20-48h.
As a kind of preferred embodiment of the present invention, in step (4), the treatment conditions of second time heated-air drying are: hot blast temperature 80-100 DEG C, process 5-20min, calculate, air force 3000-5000m to process 1 ton of cashew kernel
3/ h.
As a kind of preferred embodiment of the present invention, in step (6), treatment conditions dry are for the third time: baking temperature 40-65 DEG C, dry 12-24h.
In method of the present invention, if the treatment conditions of cashew kernel humidification and drying are improper, then cashew kernel and kernel leather block close and closely not easily slough, when pressure is sloughed the injury of pulp larger.In addition, if baking temperature is too low, the time is too short, and pericarp surface is not crisp, and pericarp is comparatively difficult to remove out; And if baking temperature is too high, the time is oversize, then kernel is more dry, easily crisp, can cause the problems such as kernel percentage of damage is larger.
Compared with prior art, this technique has the following advantages: (1) peeling rate is high, and peeling rate can be stabilized in 80 ~ 90%; (2) cashew kernel quality is high; (3) practical, good stability, is applicable to suitability for industrialized production.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to following examples.
Embodiment 1
1) the belt leather kernel after broken shell is placed in mesh pallet and carries out the process of gradient heated-air drying, processing procedure is as follows: the first stage: 85 DEG C, the dry 10min time, second stage baking temperature 75 DEG C, dry 10min, the phase III 60 DEG C, drying time 10min, fourth stage baking temperature is 90 DEG C, and drying time is 10min.
2) by first dry complete after cashew kernel carry out cold treatment, the present invention adopts dynamic cold wind process, dynamic cold wind treatment conditions: temperature 20 DEG C, and process 20min, air force is 5000m
3/ h.
3) cashew kernel after cold treatment is carried out water smoke humidification process: treatment conditions be humid control 100%, humidification temperature controls at 10 DEG C, and humidification time controls at 48h.
4) cashew kernel after humidification process is carried out second time heated-air drying: treatment conditions are hot blast temperature 100 DEG C, process 5min, air force 5000m
3/ h.
5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product.
6) cashew kernel after de-for decortication slag is carried out third time drying, treatment conditions are: baking temperature 65 DEG C, dry 12h, obtains finished product.
Embodiment 2
1) the belt leather kernel after broken shell is placed in mesh pallet and carries out the process of gradient heated-air drying, processing procedure is as follows: the first stage: 70 DEG C, the dry 40min time, second stage baking temperature 60 DEG C, dry 40min, the phase III 50 DEG C, drying time 40min, fourth stage baking temperature is 70 DEG C, and drying time is 40min.
2) by first dry complete after cashew kernel carry out cold treatment, the present invention adopts static cold storage process, static cold storage treatment conditions :-15 DEG C, process 5h.
3) cashew kernel after cold treatment is carried out water smoke humidification process: treatment conditions be humid control 70%, humidification temperature controls at 40 DEG C, and humidification time controls at 20h.
4) cashew kernel after humidification process is carried out second time heated-air drying: treatment conditions are hot blast temperature 80 DEG C, process 20min, calculate to process 1 ton of cashew kernel, air force 3000m
3/ h.
5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product.
6) cashew kernel after de-for decortication slag is carried out third time drying, treatment conditions are: baking temperature 40 DEG C, dry 24h, obtains finished product.
Embodiment 3
1)) the belt leather kernel after broken shell is placed in mesh pallet and carries out the process of gradient heated-air drying, processing procedure is as follows: the first stage: 85 DEG C, the dry 30min time, second stage baking temperature 75 DEG C, dry 30min, the phase III 55 DEG C, drying time 30min, fourth stage baking temperature is 80 DEG C, and drying time is 30min.
2) by first dry complete after cashew kernel carry out cold treatment, adopt dynamic cold wind process: dynamically cold wind treatment conditions: temperature-15 DEG C, process 10min, air force is 3000m
3/ h.
3) cashew kernel after cold treatment is carried out water smoke humidification process: treatment conditions be humid control 80%, humidification temperature controls at 30 DEG C, and humidification time controls at 40h.
4) cashew kernel after humidification process is carried out second time heated-air drying: treatment conditions are hot blast temperature 90 DEG C, process 15min, calculate to process 1 ton of cashew kernel, air force 3000m
3/ h.
5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product.
6) cashew kernel after de-for decortication slag is carried out third time drying, treatment conditions are: baking temperature 50 DEG C, dry 20h, obtains finished product.
Embodiment 4
1)) the belt leather kernel after broken shell is placed in mesh pallet and carries out the process of gradient heated-air drying, processing procedure is as follows: the first stage: 80 DEG C, the dry 30min time, second stage baking temperature 70 DEG C, dry 30min, the phase III 55 DEG C, drying time 30min, fourth stage baking temperature is 80 DEG C, and drying time is 30min.
2) by first dry complete after cashew kernel carry out cold treatment, the present invention adopts static cold storage process, static cold storage treatment conditions :-5 DEG C, process 15h.
3) cashew kernel after cold treatment is carried out water smoke humidification process: treatment conditions be humid control 80%, humidification temperature controls at 30 DEG C, and humidification time controls at 30h.
4) cashew kernel after humidification process is carried out second time heated-air drying: treatment conditions are hot blast temperature 100 DEG C, process 15min, calculate to process 1 ton of cashew kernel, air force 5000m
3/ h.
5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product.
6) cashew kernel after de-for decortication slag is carried out third time drying, treatment conditions are: baking temperature 50 DEG C, dry 20h, obtains finished product.Technique described in above embodiment 1 ~ 4 is observed and is assessed, each cashew kernel peeling rate and feature as shown in table 1.
The peeling rate of table 1 different cashew kernel decortication product compares
From table 1, cashew kernel peeling method of the present invention, compared with the prior art, peeling rate significantly improves, and kernel decortication quality is good, and in addition, this technological operation is simple, and less energy consumption is pollution-free, is suitable for industrialization promotion.
Above said content is only the present invention for exemplifying the preferred specific embodiment of explanation, and does not contain of the present invention likely parameter and mode.Those skilled in the art are on the basis of description disclosure; spirit of the present invention and purport can be understood; thus know and determine protection scope of the present invention, and any equivalent transformation that those skilled in the art do according to technical scheme of the present invention, all should protection scope of the present invention be belonged to.
Claims (7)
1. a cashew kernel peeling method, comprises the following steps:
(1) the belt leather kernel after broken shell is carried out gradient heated-air drying;
(2) step (1) dried cashew kernel is carried out cold treatment;
(3) cashew kernel after cold treatment is carried out the process of water smoke humidification;
(4) cashew kernel after humidification process is carried out second time heated-air drying;
(5) adopted by the cashew kernel after the process of second time heated-air drying machinery scraping and gas shock to slough cashew nut pericarp, and collect disintegrating slag by negative pressure, obtain thick product;
(6) cashew kernel after de-for decortication slag is carried out third time drying, obtain finished product;
In described step (1), cashew kernel adopts gradient heated-air drying, process is as follows: the first stage: 70-85 DEG C, dry 10-40 min, second stage baking temperature 60-75 DEG C, dry 10-40 min, phase III 50-60 DEG C, drying time 10-40 min, fourth stage baking temperature is 70-90 DEG C, and drying time is 10-40 min.
2. method according to claim 1, is characterized in that: in described step (2), adopts dynamic cold wind process or static cold storage process.
3. method according to claim 2, it is characterized in that: dynamically cold wind treatment conditions are: temperature-15 ~ 20 DEG C, process 10 ~ 20 min, air quantity regulates according to the size for the treatment of capacity, calculate to process 1 ton of cashew kernel, air force is 3000-5000 m
3/ h.
4. method according to claim 2, is characterized in that: static cold storage treatment conditions are :-15 ~-5 DEG C, process 5-15 h.
5. method according to claim 1, is characterized in that: in described step (3), and the condition of water smoke humidification process is: humidity is 70-100%, and humidification temperature is 10-40 DEG C, and humidification time is 20-48 h.
6. method according to claim 1, is characterized in that: in described step (4), and the treatment conditions of second time heated-air drying are: hot blast temperature 80-100 DEG C, process 5-20 min, and calculate to process 1 ton of cashew kernel, air force is 3000-5000 m
3/ h.
7. method according to claim 1, is characterized in that: in described step (6), and the treatment conditions of heated-air drying are for the third time: baking temperature 40-65 DEG C, dry 12-24h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410165602.2A CN103892418B (en) | 2014-04-23 | 2014-04-23 | A kind of cashew kernel peeling method |
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| CN201410165602.2A CN103892418B (en) | 2014-04-23 | 2014-04-23 | A kind of cashew kernel peeling method |
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| CN103892418A CN103892418A (en) | 2014-07-02 |
| CN103892418B true CN103892418B (en) | 2015-10-28 |
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| CN107581565A (en) * | 2017-09-12 | 2018-01-16 | 阜阳市四季旺食品有限公司 | A kind of preparation method of the crisp cashew nut of low salted cake fried in sesame oil |
| CN115153048A (en) * | 2022-08-05 | 2022-10-11 | 河北华岱农业科技有限公司 | Cashew nut peeling equipment and process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103396A (en) * | 1985-04-20 | 1986-10-15 | 山东省外贸科学技术研究所 | Slough the equipment of chestnut peel and Chinese chestnut underwear |
| CN86108264A (en) * | 1985-12-14 | 1987-06-17 | 格布鲁特-布勒公司 | Peeling method of legume crop and equipment thereof |
| CN1127614A (en) * | 1995-01-25 | 1996-07-31 | 中国农业机械化科学研究院 | Process and equipment for hulling and peeling chestnut |
| CN102028297A (en) * | 2010-08-05 | 2011-04-27 | 福建省建瓯市青然食品有限公司 | Processing method for shelling castanea henryi |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002247928A1 (en) * | 2002-03-26 | 2003-10-08 | Council Of Scientific And Industrial Research | A continuous type multipurpose tea shoot sorter |
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2014
- 2014-04-23 CN CN201410165602.2A patent/CN103892418B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103396A (en) * | 1985-04-20 | 1986-10-15 | 山东省外贸科学技术研究所 | Slough the equipment of chestnut peel and Chinese chestnut underwear |
| CN86108264A (en) * | 1985-12-14 | 1987-06-17 | 格布鲁特-布勒公司 | Peeling method of legume crop and equipment thereof |
| CN1127614A (en) * | 1995-01-25 | 1996-07-31 | 中国农业机械化科学研究院 | Process and equipment for hulling and peeling chestnut |
| CN102028297A (en) * | 2010-08-05 | 2011-04-27 | 福建省建瓯市青然食品有限公司 | Processing method for shelling castanea henryi |
Non-Patent Citations (1)
| Title |
|---|
| "腰果加工工艺及设备的研究";黄家瀚;《热带作物机械化》;19961230(第02期);第6页左栏第1段-第6页右栏第1段 * |
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