CN103349250B - Modification treating method for sweet potato dregs, application thereof and high-fiber sweet potato product - Google Patents
Modification treating method for sweet potato dregs, application thereof and high-fiber sweet potato product Download PDFInfo
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- CN103349250B CN103349250B CN201310285856.3A CN201310285856A CN103349250B CN 103349250 B CN103349250 B CN 103349250B CN 201310285856 A CN201310285856 A CN 201310285856A CN 103349250 B CN103349250 B CN 103349250B
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Abstract
The invention discloses a modification treating method for sweet potato dregs, an application thereof and a high-fiber sweet potato product. The method takes sweet potato dregs as a raw material, and obtains modification treated sweet potato dreg powder after drying, heat-moisture treating and smashing the sweet potato dregs. The sweet potato dreg powder has better addition property, and can be added into flour largely for preparing products such as high-fiber sweet potato noodles or high-fiber sweet potato biscuits; the high-fiber sweet potato noodles or the high-fiber sweet potato biscuits prepared through treatment have high dietary fiber content, and effectively retain nutrients in the sweet potato dregs such as starch and protein, thereby providing a customer with a receptive product capable of effectively supplementing the dietary fiber. The invention provides an effective production method for development and utilization of the sweet potato dregs and a product; the preparation technology is simple; the cost is low; the utilization of the raw material, namely the sweet potato dregs, is realized to the maximum extent; resource waste and environment pollution are reduced.
Description
Technical field
The present invention relates to a kind of modification processing method of sweet potato waste, application and high microsteping sweet potato product, belong to food processing technology field.
Background technology
Ipomoea batatas has another name called sweet potato, pachyrhizus, sweet potato etc., is rich in protein, starch, pectin, cellulose, amino acid, vitamin and several mineral materials, has anticancer, cardioprotection, prevention pulmonary emphysema and the effect such as diabetes, fat-reducing, have the reputation of " life prolonging food ".Sweet potato waste is the byproduct that Ipomoea batatas produces in starch process, nutritious, there are some researches show, in fresh sweet potatoes slag moisture 90.96%, starch 3-5%, and cellulose 1.51%, ash content 0.11-0.28%, protein 0.26-0.95%.(Zhou Shuai, Wu Jianguo, Zhang Xiaoyu, Wang Hongxun. the exploitation .2005 Chinese industrial microorganism academic Conference Papers collection industrial microorganism progress of sweet potato waste, 588-590).
Along with the development of starch industry and food industry, create a large amount of sweet potato wastes in starch from sweet potato and three powder product process, its majority all when waste material abandons, causes environmental pollution and wastage of material.In recent years, how it is effectively developed, more and more receive the concern of people, but sweet potato waste is mainly used in Fodder making and fertilizer at present.As the publication number patent that is CN102934736A, CN101643372A and CN103044101A report respectively sweet potato skin or sweet potato powder residue fermented feed preparation method, utilize sweet potato waste to prepare the method for organic fertilizer and chicken manure fertilizer.But except containing except a small amount of starch in sweet potato waste, major part is cellulose and hemicellulose, and protein content is very low, and the feed utilizing it to make not easily is absorbed by animal, always as feed at a low price; And the fertilizer utilizing sweet potato waste to prepare, fail to make full use of its dietary fiber be rich in, cause the wasting of resources.Along with the development of science and technology, in recent years the profound utilization of sweet potato waste is also started there has been report.As the publication number patent that is CN1623422A and CN101849657A reports the preparation method of sweet potato diet microcrystal cellulose and sweet potato dietary fiber respectively, but these methods all need to get rid of starch contained in sweet potato waste to prepare sweet potato dietary fiber through loaded down with trivial details technique, it can be used as additive to be added in food, cost also can significantly increase.Direct interpolation sweet potato waste prepares food product, and such as directly add in sweet potato waste to flour and prepare noodles, a large amount of fiber substances contained by it can have influence on the fundamental characteristics of noodles, even can not forming surface group when addition reaches certain value, cannot prepare noodles.Therefore, in order to increase the addition of sweet potato waste in food product, need to carry out modification to sweet potato waste.Zhang Zhaoqin etc. have prepared sweet potato waste dietary fiber by processing sweet potato waste and have studied its impact (Zhang Zhaoqin etc. on bread, the preparation of sweet potato waste dietary fiber and the impact on bread thereof, Jiangxi food industry, 1st phase in 2009,32-33), but the method also mainly gets rid of starch in sweet potato waste to improve the content of dietary fiber, complex treatment process on the one hand, cost is higher; Waste starch component contained in sweet potato waste on the other hand, and the sweet potato dietary fiber obtained after wherethrough reason also only instead of the flour of 5%.This is because cellulosic structure is tight, water insoluble, its retention ability and expansive force very poor, therefore dietary fiber has certain interpolation limit, otherwise can affect the fundamental characteristics of food, cannot be processed into corresponding food even at all.At present, be added directly in flour the production method producing high microsteping sweet potato waste product there has also been report by modified for sweet potato waste.As (Ni Wenxia such as Ni Wenxia, Wang Hongxun, Wang Shangyu, Yu Yang. the research that high-quality sweet potato waste is applied in noodles. food science and technology, 2nd phase in 2012) by adopting the method for extrusion and cellulase degradation to sweet potato waste modification, and be added in flour and produce high microsteping sweet potato waste noodles, but the maximum addition of the method sweet potato waste is only 12%.
Summary of the invention
The object of the present invention is to provide a kind of modification processing method of sweet potato waste, application and high microsteping sweet potato product, the method is to extract the sweet potato waste after starch for raw material, significantly can improve it and prepare the addition in food product after modification, thus can environmental pollution be reduced, realize effective utilization of sweet potato waste raw material.
For achieving the above object, the technical solution used in the present invention is as follows:
1) dry: sweet potato waste is cleaned removal of impurities, the main component weight percent content of described fresh sweet potatoes slag is: starch 3.2-7.3%, crude fibre 1.8-2.6%, protein 0.15-0.17%, moisture 90-95%, and the component content sum of described sweet potato waste is 100%; Carrying out being dried to moisture under the temperature conditions of 70-90 DEG C is 25-35%, records other each constituent content and is: starch 43-53%, crude fibre 15-30%, protein 1-2.5%;
2) humid heat treatment: will through step 1) dried sweet potato waste is placed in closed container and seals, humid heat treatment 8-12h under the temperature conditions of 100-110 DEG C;
3) pulverize: will through step 2) in sweet potato waste dry 2-4h under 70-90 DEG C of temperature conditions after humid heat treatment, pulverize, by 80-100 mesh sieve, obtain the sweet potato waste powder of modification, recording each constituent content is: starch 58-65%, crude fibre 20-36%, moisture 1-3%, protein 1.8-3.5%;
4) high microsteping sweet potato waste product preparation: by step 3) the sweet potato waste powder that obtains is added in flour by a certain percentage, mix and obtain high microsteping sweet potato waste product by different production methods, described high microsteping sweet potato waste product comprises high microsteping sweet potato noodle and high microsteping sweet potato biscuit, and preparation method is as follows respectively:
A. high microsteping sweet potato noodle preparation: by step 3) the sweet potato waste powder that obtains is added in flour, and adding proportion is sweet potato waste powder 35-50 weight portion, flour 50-65 weight portion, salt 0.2-0.4 weight portion, mixes, and adds 30-40 weight parts water, with face 5-10min, be kneaded into the dough with toughness, moisturizing slaking 20-30min, compressing tablet, slitting, preferably, slitting width is 2-3mm, drying, obtains high microsteping sweet potato noodle, and its dietary fiber content reaches 10-15%;
B. high microsteping sweet potato biscuit preparation: by step 3) the sweet potato waste powder that obtains is added in flour, adding proportion is sweet potato waste powder 60-75 weight portion, Self-raising flour 25-40 weight portion, shortening 25-35 weight portion, white granulated sugar 25-35 weight portion, sodium bicarbonate 0.3-0.5 weight portion, egg 4-6 weight portion, salt 0.5-0.7 weight portion, mix, add 30-40 weight parts water, with face 5-10min, be kneaded into the dough with toughness, through rolling, shaping, bake after balance, preferably, baking optimum configurations is: fire in a stove before fuel is added 125-135 DEG C, face fire 175-185 DEG C, time 7-9min, namely high microsteping sweet potato biscuit is obtained after cooling, its dietary fiber content reaches 10-17%.
The present invention has following beneficial effect:
1) the present invention will be mainly used in changing starch crystals degree, resistance starch content, the humid heat treatment method of the character such as gelatinization performance is used for carrying out modification to sweet potato waste, owing to not only containing starch but also contain fiber substance in sweet potato waste, humid heat treatment method is while change starch structure and characteristic, further improve the compatibility of fiber substance and starch, thus improve the interpolation characteristic of sweet potato waste in flour, significantly add it and do not affect the ratio be added under product fundamental characteristics prerequisite in flour, and the starch effectively remained in sweet potato waste, other active ingredients such as protein, obtained product dietary fiber content is high, nutritious, for consumer provides the food being easy to the effective complementary diets fiber accepted.
2) the present invention is that the exploitation of sweet potato waste provide a kind of effective production method and product, and preparation technology is simple, and cost is low, and achieves the effective utilization to sweet potato waste raw material to greatest extent, decreases the wasting of resources and environmental pollution.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail:
Embodiment 1
1) dry: sweet potato waste is cleaned removal of impurities, wherein, the Contents of Main Components of fresh sweet potatoes slag is: starch 7.3%, crude fibre 2.6%, protein 0.17%, moisture 90%, carrying out being dried to moisture under the temperature conditions of 80 DEG C is 25%, recording other each constituent content is: starch 48%, crude fibre 24%, protein 2.5%;
2) humid heat treatment: will through step 1) dried sweet potato waste is placed in closed container and seals, humid heat treatment 10h in 100 DEG C of baking ovens;
3) pulverize: will through step 2) in sweet potato waste dry 3h under 80 DEG C of temperature conditions after humid heat treatment, plant pulverizer is adopted to pulverize, by 80 mesh sieves, obtain the sweet potato waste powder of modification, recording each constituent content is: starch 63%, crude fibre 31%, moisture 2%, protein 3.3%;
4) high microsteping sweet potato waste product preparation: a. high microsteping sweet potato noodle prepare: by step 3) in sweet potato waste powder be added in flour, adding proportion is sweet potato waste powder 40 weight portion, flour 60 weight portion, salt 0.3 weight portion, mix, add 40 weight parts waters, and face 8min, be kneaded into the dough with toughness, moisturizing slaking 25min, compressing tablet, is cut into the noodles of about 2mm, naturally dry, obtain high microsteping sweet potato noodle.After measured, its dietary fiber content reaches 12%, and boiling strip-breaking rate is 0%, and water absorption rate is 118.5%, and cooking loss rate is 6.8%;
B. high microsteping sweet potato biscuit preparation: by step 3) in sweet potato waste powder be added in flour, adding proportion is sweet potato waste powder 70 weight portion, Self-raising flour 30 weight portion, add 30 weight portion shortenings, 30 weight portion white granulated sugars, 0.3 weight portion sodium bicarbonate, 5 weight portion eggs, 0.5 weight portion salt, mixes, add 40 weight parts waters, with face 10min, be kneaded into the dough with toughness, bake after rolling, shaping, balance, baking optimum configurations is: the fire in a stove before fuel is added 130 DEG C, face fire 180 DEG C, time 8min, namely obtain high microsteping sweet potato biscuit after cooling.After measured, its dietary fiber content reaches 13%.
Embodiment 2
1) dry: sweet potato waste is cleaned removal of impurities, wherein, the Contents of Main Components of fresh sweet potatoes slag is: starch 3.2%, crude fibre 1.8%, protein 0.15%, moisture 95%, carrying out being dried to moisture under the temperature conditions of 90 DEG C is 35%, recording other each constituent content is: starch 43%, crude fibre 20%, protein 1.5%;
2) humid heat treatment: will through step 1) dried sweet potato waste is placed in closed container and seals, humid heat treatment 8h in 110 DEG C of baking ovens;
3) pulverize: will through step 2) in sweet potato waste dry 2h in 90 DEG C of baking ovens after humid heat treatment, plant pulverizer is adopted to pulverize (pulverizing means illustratively), by 100 mesh sieves, obtain the sweet potato waste powder of modification, recording each constituent content is: starch 62%, crude fibre 31%, moisture 3%, protein 3.3%;
4) high microsteping sweet potato biscuit preparation: prepared by a. high microsteping sweet potato noodle: by through step 3) the sweet potato waste powder of modification is added in flour, and adding proportion is sweet potato waste powder 35 weight portion, flour 65 weight portion, salt 0.2 weight portion, mixes, and adds 30 weight parts waters, with face 10min, be kneaded into the dough with toughness, moisturizing slaking 20min, compressing tablet, be cut into the noodles of about 3mm, 40 DEG C of heated-air dryings, cooling, obtains high microsteping sweet potato noodle.After measured, its dietary fiber content reaches 11%, and boiling strip-breaking rate is 0%, and water absorption rate is 118.75%, and cooking loss rate is 6.5%;
B. high microsteping sweet potato biscuit preparation: by through step 3) the sweet potato waste powder of modification is added in flour, adding proportion is sweet potato waste powder 60 weight portion, Self-raising flour 40 weight portion, add 25 weight portion shortenings, 25 weight portion white granulated sugars, 0.4 weight portion sodium bicarbonate, 4 weight portion eggs, 0.6 weight portion salt, mix, add 30 weight parts waters, with face 8min, be kneaded into the dough with toughness, through rolling, shaping, bake after balance, baking optimum configurations is: the fire in a stove before fuel is added 125 DEG C, face fire 175 DEG C, time 9min, namely high microsteping sweet potato biscuit is obtained after cooling, its dietary fiber content reaches 12%.
Claims (7)
1. a modification processing method for sweet potato waste, is characterized in that: it comprises the steps:
1) dry: sweet potato waste is cleaned removal of impurities, the main component weight percent content of described fresh sweet potatoes slag is: starch 3.2-7.3%, crude fibre 1.8-2.6%, protein 0.15-0.17%, moisture 90-95%, and the component content sum of described sweet potato waste is 100%; Carrying out being dried to moisture under the temperature conditions of 70-90 DEG C is 25-35%, and after dry, other each constituent content is: starch 43-53%, crude fibre 15-30%, protein 1-2.5%;
2) humid heat treatment: will through step 1) dried sweet potato waste is placed in closed container and seals, humid heat treatment 8-12h under the temperature conditions of 100-110 DEG C;
3) pulverize: will through step 2) in sweet potato waste dry 2-4h under 70-90 DEG C of temperature conditions after humid heat treatment, pulverize, by 80-100 mesh sieve, obtain the sweet potato waste powder of modification, recording each constituent content is: starch 58-65%, crude fibre 20-36%, moisture 1-3%, protein 1.8-3.5%.
2. the modification processing method of sweet potato waste according to claim 1 is in the application preparing high microsteping sweet potato noodle, it is characterized in that: sweet potato waste powder modification obtained is added in flour, adding proportion is sweet potato waste powder 35-50 weight portion, flour 50-65 weight portion, salt 0.2-0.4 weight portion, mix, add 30-40 weight parts water, and face 5-10min, be kneaded into the dough with toughness, moisturizing slaking 20-30min, through compressing tablet, slitting, drying steps, obtains high microsteping sweet potato noodle.
3. application according to claim 2, is characterized in that: in described slitting step, and slitting width is 2-3mm.
4. the modification processing method of sweet potato waste according to claim 1 is in the application preparing high microsteping sweet potato biscuit, it is characterized in that: sweet potato waste powder modification obtained is added in flour, adding proportion is sweet potato waste powder 60-75 weight portion, Self-raising flour 25-40 weight portion, shortening 25-35 weight portion, white granulated sugar 25-35 weight portion, sodium bicarbonate 0.3-0.5 weight portion, egg 4-6 weight portion, salt 0.5-0.7 weight portion, mix, add 30-40 weight parts water, with face 5-10min, be kneaded into the dough with toughness, through rolling, shaping, bake, cooling step, obtain high microsteping sweet potato biscuit.
5. application according to claim 4, is characterized in that: described in bake in step, baking optimum configurations is: fire in a stove before fuel is added 125-135 DEG C, face fire 175-185 DEG C, time 7-9min.
6. apply the high microsteping sweet potato noodle of preparation described in Claims 2 or 3, it is characterized in that: in these noodles, dietary fiber content is 10-15%.
7. apply the high microsteping sweet potato biscuit of preparation described in claim 4 or 5, it is characterized in that: in this biscuit, dietary fiber content is 10-17%.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103814996B (en) * | 2014-02-18 | 2015-12-02 | 浙江科技学院 | A kind of sweet potato waste biscuit and production method thereof |
| CN104172025B (en) * | 2014-08-08 | 2016-05-04 | 湖南农业大学东方科技学院 | A kind of method of utilizing humid heat treatment starch from sweet potato to improve sweet potato vermicelli quality |
| CN104381396B (en) * | 2014-11-24 | 2017-01-11 | 中国农业科学院农产品加工研究所 | Gluten-free protein biscuit manufactured by sweet potato coarse dietary fibers and preparation method of gluten-free albumen cookie |
| CN104366290B (en) * | 2014-11-24 | 2017-01-04 | 中国农业科学院农产品加工研究所 | Utilize gluten-free type albumen battercake that the thick dietary fiber of Rhizoma Dioscoreae esculentae makes and preparation method thereof |
| CN104431875A (en) * | 2014-12-12 | 2015-03-25 | 四川紫金都市农业有限公司 | Purple sweet potato piece and preparation method of purple sweet potato piece |
| CN105533436A (en) * | 2016-01-08 | 2016-05-04 | 湖北省农业科学院农产品加工与核农技术研究所 | Sweet potato dietary fiber noodles and preparing method thereof |
| CN106509627A (en) * | 2016-10-13 | 2017-03-22 | 张家界天湘薯业有限公司 | Efficient utilization method of sweet potato residue |
| CN106720101A (en) * | 2016-12-08 | 2017-05-31 | 艾鸿海 | A kind of preparation method of health sweet potato biscuit |
| CN108606035A (en) * | 2018-05-31 | 2018-10-02 | 朱正锋 | A kind of no sucrose sweet potato fiber multigrain biscuit and preparation method thereof |
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| CN101849657A (en) * | 2009-04-02 | 2010-10-06 | 熊兴 | Sweet potato dietary fiber and preparation process thereof |
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|---|---|---|---|---|
| CN101849657A (en) * | 2009-04-02 | 2010-10-06 | 熊兴 | Sweet potato dietary fiber and preparation process thereof |
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