CN100556313C - Nutritive small sweet potatoes and production method thereof - Google Patents
Nutritive small sweet potatoes and production method thereof Download PDFInfo
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- CN100556313C CN100556313C CNB2005101075595A CN200510107559A CN100556313C CN 100556313 C CN100556313 C CN 100556313C CN B2005101075595 A CNB2005101075595 A CN B2005101075595A CN 200510107559 A CN200510107559 A CN 200510107559A CN 100556313 C CN100556313 C CN 100556313C
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Abstract
The invention provides a kind of method for producing of nutritive small sweet potatoes, comprise the steps: the scarlet potato of raw material is cleaned, remove the peel and be cut into the block or the strip of suitable size; Use by water, citric acid and add or the colour protecting liquid do not made with edible salt protects look; With clear water wash clean colour protecting liquid; Boiling completes in boiled water pot; Use the liquid glucose boiling; Well-done raw material is soaked in liquid glucose; The raw material that will soak sugar is pulled out to be contained in the roasting plant and is toasted, to remove part moisture; Blend at once and be shaped to suitable shape; In roasting plant, toast after the moulding; Use red bean water sweetened bean paste to add or do not add the skin-hanging solution extension skin that obtains after purple sweet potato powder and the water dilution by peeling; With baking box baking and cooling then.Correspondingly the present invention also provides the nutritive small sweet potatoes food that method thus obtains.
Description
Technical field
The present invention relates to a kind of new nutritive small sweet potatoes and production method thereof.
Background technology
There are various sweet potato class instant food to select for use as leisure and travel food at present on the domestic and international market for people.Such food for example is by the sweet potato direct slicing that cleans up mostly, glues through vacuum frying or dehydration back to be coated with the flavoring of various tastes or not carry out seasoning and directly process.Yet in to the various development of food of similar sweet potato, always constantly seek the new taste and the food of local flavor, to satisfy various people's different demands.Have various shortcoming and defect in for example former food: the expanding food deficiency, the surface is too greasy, and mouthfeel is crisp firmly or shape is not of uniform size bad with color and luster sometimes.
In order to develop new sweet potato food, for example, Chinese patent application number 00109944.2 discloses a kind of production method of puffed sweet potato crisp, the sweet potato that to remove the peel slaking specifically adds tapioca, and cornstarch and/or farina mix and make dough, carries out boiling afterwards with slaking, dough after the slaking is processed into suitable bar shaped bar, proof sclerosis under certain condition, make sheet stock, be dried to suitable degree and then in vegetable oil frying-expansion be finished product.Also having mentioned one piece of exercise question at " Food Science " publication of in November, 1999 publication in this piece patent documentation is the article of " crisp process technology of Ipomoea batatas ", wherein disclose a kind of elder generation sweet potato has been processed into mashed potatoes, and then being processed into the process of potato chips, this method is described to-mix-secondary mix-moulding-shortening of Ipomoea batatas-select-clean-boiling-remove the peel-smash to pieces finished product that dewaters-be cooled to particularly.
Other one piece Chinese patent application numbers 200410090849.9 discloses a kind of moulding snack and manufacture method thereof that contains sweet potato, except sweet potato, also be added with the vegetables of other types to give full play to the effect of its chewiness in this moulding snack kind, the moulding snack that provides has according to one's introduction greatly changed mouthfeel, has also satisfied the demand of popular increase vegetables intake on the current social simultaneously.In two kinds of above-mentioned methods, all relate to step corresponding food is fried in addition or that fire.
Still in continuous expansion, but existing sweet potato based food in the market is difficult to satisfy proprietary different hobby to people to the demand of the sweet potato based food of different taste and local flavor.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of method for producing of brand-new nutritive small sweet potatoes, obtained a kind of sweet potato based food known in the prior art that is different from.At present in this field the colleague yet nobody sets foot in, applicant's this method for producing is an initiative, is different from above-mentioned that mention and the prior art other sweet potato method for producing fully.
The present inventor is through extensive studies, go through the inferior experiment of hundreds of, on the basis of having grasped various different pieces of informations, developed a kind of method for producing of brand-new nutritive small sweet potatoes finally, obtained the nutritive small sweet potatoes food of a kind of brand-new taste and style.
In one aspect of the invention, provide a kind of method for producing of nutritive small sweet potatoes, comprised following procedure of processing:
1. the scarlet potato of raw material is cleaned, remove the peel and be cut into suitable block or strip;
2. protect look with colour protecting liquid;
3. with clear water wash clean colour protecting liquid;
4. boiling completes in boiled water pot;
5. use the liquid glucose boiling;
6. well-done raw material is soaked in the liquid glucose of separately preparation or the liquid glucose identical with the boiling liquid glucose;
7. the raw material that will soak sugar is pulled out to be contained in the roasting plant and is toasted, to remove part moisture;
8. blend at once and be shaped to suitable shape;
9. in roasting plant, toast after the moulding;
10. hang skin with skin-hanging solution, wherein said skin-hanging solution is that the red bean water sweetened bean paste with peeling adds or do not add to endure to becoming thick after purple sweet potato powder and water dilute and obtains;
11. with baking box baking and cooling then.Obtain desirable sweet potato food at last.
In addition, the present invention also provides a kind of nutritive small sweet potatoes that obtains by said method, and so in the prior art food is not found on market as yet.
The specific embodiment
To in the choosing of raw material, normally select those frees from insect pests, pollution-free, no agricultural chemicals, the scarlet potato of no chemical fertilizer.In cleaning machine, clean up the silt and the foreign matter on Ipomoea batatas surface with clear water.Guarded blade utility knife with common special peeling is all removed Ipomoea batatas epidermis and blackspot clean.As required, clean up the remaining foreign matter in raw material surface with the secondary cleaning machine.Optionally, with the Ipomoea batatas secondary peeling again that cleans up, purpose does not allow epidermis and Hei Ding enters next link.These steps are not difficult for those of ordinary skill.
The raw material sugar content and the moisture content that it should be noted that different times when raw material is chosen are all different.Scarlet potato not through the total sugar content stored usually between about 4%-8%, but through storing rear section starch conversion saccharogenesis, total reducing sugar can reach about 17%-18%, moisture content is about about 60%.For reaching best effect, the total sugar content that generally requires raw material is 10%-15%.In view of the above,, must according to circumstances in time be adjusted at the prescription in the follow-up liquid glucose boiling process, for example can use the liquid glucose of liquid glucose-20 mother-in-law U.S. degree of 6 mother-in-law U.S. degree, determine prescription according to the different consumers' in various countries taste for the final total reducing sugar of control product.
After sweet potato being cleaned and peeling satisfied relevant requirements, raw material is cut into bulk of uniform size with common stainless steel knife or dicer.Subsequently, use is by water, the colour protecting liquid that citric acid and edible salt are made protects look to the potato piece, water wherein, the usage ratio of citric acid and edible salt generally is about 1: 0.003-0.07: 0.006-0.02, and preferred about 1: 0.004: 0.01, for example citric acid and the 0.8kg-2.5kg edible salt by about 150kg water, 0.4kg-1kg was mixed into colour protecting liquid, preferably, about 80-150kg potato piece was protected look 15-20 minute by citric acid and the composite colour protecting liquid of 1.5kg edible salt of 150kg water, 0.6kg.The consumption of colour protecting liquid is to make it possible to soak fully the potato piece.The product colour and the mouthfeel of protecting look with this understanding all reach best.Color is pure Ipomoea batatas true qualities, and mouthfeel has strong potato fragrance, does not have any peculiar smell.
Protect raw material behind the look with the colour protecting liquid of clear water wash clean citric acid and salt.Then boiling completed preferably approximately 10 minutes about 8-15 minute in 100 ℃ boiled water pot.In liquid glucose boiling subsequently, the suitable sugar concentration of proportioning at first, for example can be respectively between 6 mother-in-law U.S. degree to 20 mother-in-law U.S. degree, typically use the sugared formulated of the water of 50%-95% and 50%-5%, and should adjust according to the variation of raw material different times pol and moisture.Sugar used herein can be carbohydrate common on the market, sucrose for example, maltose and xylitol etc.The liquid glucose for preparing detect with juice meter behind the ebuillition of heated be determined to suitable pol after with raw material boiling 8-15 minute.Subsequently well-done raw material was soaked 15-30 minute in the liquid glucose of separately preparation or the liquid glucose identical with the boiling liquid glucose.
The raw material that will soak sugar is pulled out to be contained in the suitable roasting plant and is toasted, and typical temperature is 60 ℃-80 ℃, and the time is 50 minutes-4 hours.The temperature of preferably using in bake process is 75 ℃ and time to be 1.5-2 hour, for example 1.5 or 2 hours.The effect of baking and purpose are the part moisture of removing in the raw material, reach the production requirement in later stage.
Raw material after the baking blends basic fine and smooth aftershaping at once, and shape suitable choosing in addition as required for example can be olive-type, ellipse, oblateness etc., and the finished product substance is for example between 8g-15g.Continue baking 20 minutes-2 hours after the moulding in roasting plant again, the barn temperature is 60 ℃-75 ℃, preferably continues baking 20 minutes-1 hour under 70 ℃ temperature.The purpose of current baking and effect are to remove part moisture, and make surface ratio more strong.
Take out the back and hangs skin with skin-hanging solution from roasting plant, wherein the preparation of skin-hanging solution normally adds or does not add with the water sweetened bean paste of peeling and is brewed into thick after purple sweet potato powder and water dilute and obtains.For example skin-hanging solution can be by the red bean water sweetened bean paste of 50%-90% weight, the water of 8%-50% weight, and the purple sweet potato powder of 0%-15% weight is made.The purpose of hanging skin is to make the finished product epidermis more approach the raw material epidermis, and effect is reached finished product and raw material similar.
Raw material behind the extension skin is then in oven for baking, and wherein the temperature with baking box usually is raised to 150 ℃-240 ℃ bakings 8-20 minute, preferably about 10 minutes of about 180 ℃ of bakings.The effect of oven for baking be oven dry hang latex liquid and make hang that skin can be more firm hang over the potato surface.Baking box used herein does not have strict restriction, so long as common getting final product on the market.Subsequently with the moulding potato piece normal temperature cooling of baking, cooling half an hour approximately between room temperature drying in the air below 22 ℃ for example, thus obtain the finished product sweet potato food.
The sweet potato pot foods that obtain through above-mentioned steps have such structure usually, comprise a sweet potato moulding nucleome that soaks sugar and toasted and the extension skin thin layer that is coated on this moulding nucleome, it is to endure to becoming the thick skin-hanging solution that obtains to form after adding or do not add purple sweet potato powder and water dilution by the red bean water sweetened bean paste of removing the peel.
The finished product sweet potato food of making is weighed after detecting with metal detection equipment, the vacuum nitrogen filling packing.Subsequently to it with the conventional method sterilization, for example use the sterilization of back-pressure sterilization tank, the temperature of using advantageously is 115-121 ℃, the time is 30-70 minute, for example 121 ℃ of sterilizations 32 minutes or 115 ℃ of sterilizations 70 minutes.Yet as the case may be, different product is with different conditions.Test then.Normally in culturing room, cultivate after 7 days, check every index whether to meet the commercial sterilization requirement.Satisfactory finished product vanning warehouse-in is stored.
In sum, nutritive small sweet potatoes of the present invention make and the technological process of packing as follows usually: the look → mistake clear water → boiling water of selecting materials → cleans → remove the peel → secondary peeling → stripping and slicing → protect completes → the liquid glucose boiling → soak sugar → toast → cool off → blend → moulding → secondary baking → extension skin → baking box baking → cooling → metal detection → vacuum pack with nitrogen → sterilization → check → vanning to put in storage.
Technological process through above-mentioned can obtain a kind of new nutritive small sweet potatoes,
Embodiment
Embodiment 1
The sweet potato 150kg that cleans peeling and be cut into bulk or strip was protected look about 15 minutes in by the citric acid of 150kg water, 0.6kg and the composite colour protecting liquid of 1.5kg edible salt.Rinse out the colour protecting liquid of citric acid and edible salt with clear water, in 100 ℃ boiled water pot, completed about 10 minutes.Use about 10 minutes of the sucrose solution boiling of about 8 mother-in-law U.S. degree, then well-done raw material was soaked about 15 minutes in the liquid glucose identical with the boiling sucrose solution.Place it in the roasting plant and under about 75 ℃ temperature, toasted about 2 hours for the first time, to remove part moisture.Blend at once to basic fine and smooth aftershaping be olive-type.And then be placed in the roasting plant under about 70 ℃ temperature and toasted about 1 hour for the second time, to remove part moisture and to make surface ratio more strong.Use the red bean water sweetened bean paste by 60% weight subsequently, the skin-hanging solution that the purple sweet potato powder of the water of 39% weight and 1% weight is made into is hung skin, and purpose is to make the finished product epidermis more approach the raw material epidermis.Afterwards, be placed in the baking box and under 180 ℃ temperature, toasted 10 minutes, hang latex liquid and make the extension skin can hang over the potato surface more firmly with oven dry.Place cooling at normal temperatures, obtained all good final products of color, smell and taste.
Embodiment 2
The sweet potato 150kg that cleans peeling and be cut into bulk or strip was protected look about 15 minutes in by the citric acid of 150kg water, 0.6kg and the composite colour protecting liquid of 1.5kg edible salt.Rinse out the colour protecting liquid of citric acid and edible salt with clear water, in 100 ℃ boiled water pot, completed about 10 minutes.Use about 10 minutes of the sucrose solution boiling of about 8 mother-in-law U.S. degree, then well-done raw material was soaked about 20 minutes in the liquid glucose identical with the boiling sucrose solution.Place it in the roasting plant and under about 75 ℃ temperature, toasted about 1.5 hours for the first time, to remove part moisture.Blend at once to basic fine and smooth aftershaping be olive-type.And then be placed in the roasting plant under about 72 ℃ temperature and toasted about 20 minutes for the second time, to remove part moisture and to make surface ratio more strong.Use the red bean water sweetened bean paste by 55% weight subsequently, the skin-hanging solution that the purple sweet potato powder of the water of 43% weight and 2% weight is made into is hung skin, and purpose is to make the finished product epidermis more approach the raw material epidermis.Afterwards, be placed in the baking box under 180 ℃ temperature baking 10 minutes, with oven dry hang latex liquid and make hang that skin can be more firm hang over the potato surface.Place cooling at normal temperatures, obtained all good final products of color, smell and taste equally.
Comparative Examples 1
The sweet potato 200kg that cleans peeling and be cut into piece is protected look in by the citric acid of 150kg water, 1.5kg and the composite colour protecting liquid of 3kg edible salt.All the other steps are identical with embodiment 1, but final products make the not raw material color blackening of submergence of part because raw material too much can not submergence in colour protecting liquid fully, influence the color of final products.And the concentration of citric acid and salt increases, and makes the final taste of product that bitter phenomenon be arranged.Such product is not that the user likes.
Claims (14)
1. the method for producing of a nutritive small sweet potatoes comprises following procedure of processing: the scarlet potato of raw material is cleaned, remove the peel and be cut into suitable block or strip;
Use by water, citric acid and add or the colour protecting liquid do not made with edible salt protects look;
With clear water wash clean colour protecting liquid;
Boiling completes in boiled water pot;
Use the liquid glucose boiling;
Well-done raw material is soaked in the liquid glucose of separately preparation or the liquid glucose identical with the boiling liquid glucose;
The raw material that will soak sugar is pulled out to be contained in the roasting plant and is toasted;
Blend at once and be shaped to suitable shape;
In roasting plant, toast after the moulding;
Hang skin with skin-hanging solution, wherein said skin-hanging solution is that the red bean water sweetened bean paste with peeling adds or do not add to endure to becoming thick after purple sweet potato powder and water dilute and obtains;
With baking box baking and cooling then;
Wherein said protect look be by water, citric acid and edible salt with 1: carried out 15-20 minute in the composite colour protecting liquid of the ratio of 0.003-0.07: 0.006-0.02;
Wherein said skin-hanging solution is the red bean water sweetened bean paste with 50%-90% weight, the water of 8%-50% weight, and the purple sweet potato powder of 0%-15% weight obtains.
2. method as claimed in claim 1, the wherein said look that protects is to be carried out in the composite colour protecting liquid of 1: 0.004: 0.01 ratio by water, citric acid and edible salt.
3. method as claimed in claim 1, wherein said boiling in boiled water pot completes and carries out 8-15 minute.
4. method as claimed in claim 1, the concentration of wherein said boiling liquid glucose are between 6 mother-in-law U.S. degree to 20 mother-in-law U.S. degree.
5. method as claimed in claim 1, wherein said liquid glucose boiling was carried out 8-15 minute.
6. method as claimed in claim 1, the raw material that wherein said boiling is good soaked in liquid glucose 15-30 minute.
7. it is 50 minutes-4 hours with the time that method as claimed in claim 1, the temperature when toast the wherein said first time are 60 ℃-80 ℃.
8. it is 1.5-2 hour with the time that method as claimed in claim 7, the temperature when toast the wherein said first time are 75 ℃.
9. method as claimed in claim 1, the raw material after the wherein said moulding continue baking 20 minutes-2 hours under 60 ℃-75 ℃ temperature.
10. as the method for claim 10, the raw material after the wherein said moulding continues baking 20 minutes-1 hour under 70 ℃ temperature.
11. method as claimed in claim 1, the raw material behind the wherein said extension skin were toasted 8-20 minute under 150 ℃-240 ℃ temperature in baking box.
12. method as claimed in claim 1, the raw material behind the wherein said extension skin were toasted 10 minutes under 180 ℃ temperature in baking box.
13. method as claimed in claim 1, wherein said immersion are to carry out in the liquid glucose identical with the boiling liquid glucose.
14. nutritive small sweet potatoes, obtain by each method of claim 1-13, comprise a sweet potato moulding nucleome that soaks sugar and toasted and the extension skin thin layer that is coated on this moulding nucleome, this thin layer is to endure to becoming the thick skin-hanging solution that obtains to form after adding or do not add purple sweet potato powder and water dilution by the red bean water sweetened bean paste of removing the peel.
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| CN100556313C true CN100556313C (en) | 2009-11-04 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101461418B (en) * | 2007-12-20 | 2012-01-04 | 浙江省农业科学院 | Method for processing reversed steaming sweet potato |
| CN101507463B (en) * | 2008-11-28 | 2011-06-01 | 北京红螺食品有限公司 | Processing method of nutrient small pumpkin |
| CN101491322B (en) * | 2009-01-16 | 2011-12-07 | 杭州千岛湖山之子食品实业有限公司 | Processing method of honey dried sweet potato |
| CN101518279B (en) * | 2009-04-03 | 2012-05-02 | 中国农业大学 | Color protection fresh keeping method of fresh cut tuber |
| CN102334660A (en) * | 2010-07-16 | 2012-02-01 | 湖南前进食品有限公司 | Original potato dice processing method |
| CN101912096B (en) * | 2010-08-13 | 2012-05-30 | 北京红螺食品有限公司 | Method for processing reshaped small purple sweet potatoes |
| CN102217744A (en) * | 2010-08-30 | 2011-10-19 | 安徽本草堂生物科技有限公司 | Purple potato pulp paste and production process thereof |
| CN102106521A (en) * | 2010-11-29 | 2011-06-29 | 天津市诺奥科技发展有限公司 | Method for preparing whole purple sweet potato powder by using microwave vacuum drying |
| CN102228210A (en) * | 2011-03-28 | 2011-11-02 | 北京御食园食品股份有限公司 | Purple sweet potato food and method for preparing same |
| CN103783440A (en) * | 2012-11-28 | 2014-05-14 | 哈尔滨贵迪软件有限公司 | Red bean sweet potato powder |
| CN103461909B (en) * | 2013-09-29 | 2014-08-06 | 北京御食园食品股份有限公司 | Purple sweet potato food and preparing method thereof |
| CN104026519B (en) * | 2014-06-12 | 2017-01-04 | 渤海大学 | One potato seed son's food and preparation method thereof |
| CN104172022A (en) * | 2014-07-11 | 2014-12-03 | 濮阳市东大食品有限公司 | Sweet potato food and processing method thereof |
| CN105146397A (en) * | 2015-07-17 | 2015-12-16 | 江苏徐淮地区徐州农业科学研究所 | Making method of sweet potato strips |
| CN117243352B (en) * | 2023-09-08 | 2024-03-12 | 湖北薯芋产业技术研究院有限公司 | Sweet potato baking method |
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