CN100500027C - Preparing process of water caltrop stem dietary fiber - Google Patents
Preparing process of water caltrop stem dietary fiber Download PDFInfo
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- CN100500027C CN100500027C CNB2006101237626A CN200610123762A CN100500027C CN 100500027 C CN100500027 C CN 100500027C CN B2006101237626 A CNB2006101237626 A CN B2006101237626A CN 200610123762 A CN200610123762 A CN 200610123762A CN 100500027 C CN100500027 C CN 100500027C
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- dietary fiber
- water caltrop
- caltrop stem
- preparation process
- dried
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
Abstract
The present invention discloses preparation process of water caltrop stem dietary fiber. The preparation process includes the following steps: washing water caltrop stem and cutting; blanching for 5-30 min and dewatering; decolorizing with 0.01-2.0 wt % concentration hydrogen peroxide solution at 30-90deg.c and regulating pH value to 8-11 with sodium hydroxide; filtering, washing and vacuum drying or flash drying to water content of 10-30 %; crushing, microwave drying and sterilizing to water content of 5-13 %; and final superfine crushing in a superfine crusher to obtain the dietary fiber. The dietary fiber is used as food additive for producing biscuit, bread, etc. The dietary fiber features facile material, high purity, low cost, etc.
Description
Technical field
The present invention relates to the preparation of dietary fiber, particularly relate to a kind of preparing process of water caltrop stem dietary fiber, specifically be meant with the water caltrop stem to be the method for a kind of dietary fiber of feedstock production.
Background technology
Dietary fiber is that a class can not be by human consumption, based on the general name of the macromolecule component of polysaccharide.Mainly comprise cellulose, hemicellulose, lignin, pectin, agar etc.Since the sixties in 20th century, discover the African because often edible high fiber food, seldom occurred since " ciril disease " of western developed country, confirmed that now dietary fiber has different physiological roles such as the propagation of blood sugar level, prevention constipation and colon cancer, increase satiety, prevention of obesity, promotion Bifidobacterium and the aerobic bacteria that can regulate human body safely, enhancing macrophage function, raising resistance against diseases.Therefore, medical circle and nutrition educational circles generally acknowledge that dietary fiber is " the seventh-largest nutrient " after protein, carbon aquation platform thing, fat, vitamin, mineral element and water.Dietary fiber mainly contains: cereal, fruits and vegetables, microbial polysaccharide and other natural fiber and synthetic fibers etc.The food that becomes more meticulous usually makes in the food dietary fiber content obviously not enough, so that the intake deficiency of most people's dietary fiber.Soybean dietary fiber is used very extensive: can be applicable to bakery such as high fiber bread, high-fiber biscuits etc. are used for catsup as thickener, are applied to diabetes and people to lose weight special food.
But the raw material of producing dietary fiber at present is somewhat expensive, complex manufacturing, so the cost of dietary fiber is higher, has limited the application of dietary fiber.
Summary of the invention
The objective of the invention is in order to solve the deficiency that above-mentioned prior art exists, the object of the present invention is to provide a kind of purity height, performance good, produce preparing process of water caltrop stem dietary fiber cheaply.
Purpose of the present invention is achieved through the following technical solutions.
A kind of preparation process of water caltrop stem dietary fiber is characterized in that comprising the steps:
(1) the water caltrop stem removes earlier mud, defoliation, chops up then, handles 5～30min through blanching, dehydration;
(2) add processings of decolouring of 0.01～2.0wt% hydrogen peroxide, regulating the pH value with NaOH is 9～11, and bleaching temperature is 30～90 ℃, and filtration is afterwards washed to eluate colourlessly, and the pH value is about 7;
(3) carry out vacuum drying or expansion drying, dried cake moisture is 10～30%;
(4) filter cake is broken into even bulk cargo after, carry out microwave drying and sterilization, cake moisture is 5～13% after the sterilization;
(5) dried material enters and has carried out pulverization process in the micronizer, makes dietary fiber.
Chopping up of described step (1) is meant that the water caltrop stem is cut into 0.1～1cm and grows up little.
The blanching of described step (1) is handled and is meant the water that adds 2～4 times in the water caltrop stem, is that 0～0.17MPa, temperature are to carry out heat treated in 80～130 ℃ the hot water at gauge pressure pressure.
The EAT of described step (3) expansion drying is 150～220 ℃, and leaving air temp is 50～90 ℃.The dietary fiber granular size that makes is 100～300 orders.
Described step (1) can be that the water caltrop stem removes earlier mud, defoliation, handles 5～30min through blanching, and dehydration is dried or dried the back again and pulverizes.
With respect to prior art, the present invention has following advantage:
(1) compare with existing dietary fiber, the prepared water caltrop stem dietary fiber performance of the present invention is better.The dietary fiber of existing plant origin mainly contains soybean dietary fiber, bran dietary fiber and rice bran dietary fiber, and its total dietary fiber content is less than 75%.Owing to contain more fat, sugar and protein in the raw material,, influenced the performance and the shelf-life of dietary fiber so contain a large amount of impurity in the final diet fiber product.This class dietary fiber adds the quality and the local flavor that also can have influence on food in the food to.The water caltrop stem dietary fiber that the present invention is prepared, total dietary fiber content be greater than 90%, not fatty, sugar and protein, and adding in the food as food ingredient can not influence flavours in food products, is easy to preserve.
(2) the raw material abundance of the prepared water caltrop stem dietary fiber of the present invention is easy to get, and can form suitability for industrialized production, possesses the characteristics of functional, convenience, the high and low cost of purity.The water caltrop stem has two kinds of natural and artificial cultivations, and it is rich in dietary fiber and mineral matter, and it can be used as food additives and feed.The water caltrop extensive growth is in the lake, and the water caltrop stem is the good source of dietary fiber.
The specific embodiment
For better understanding the present invention, below in conjunction with embodiment the present invention is done detailed description further, but the scope of protection of present invention is not limited to the scope that embodiment represents.
Embodiment 1
Get the fresh water caltrop stem of 200kg, it is long to be cut into 0.1～1cm after removing mud, defoliation, add 500kg water, boil 30min, remove by filter water at 80 ℃ of hot water, the clear water flushing once, add 0.7wt% hydrogen peroxide 400kg, with about NaOH adjust pH to 11, be heated to 50 ℃ of 2h that decolour, filter then, washing leaching cake is colourless to eluate, the pH value is about 7.Carry out expansion drying then, EAT is 200 ℃, and leaving air temp is 85 ℃, and dried filter cake is moisture 10～30%, filter cake is broken into even bulk cargo after, carry out microwave drying and sterilization, moisture is 5～13% after the sterilization.Dried material enters and carries out pulverization process in the micronizer, and obtaining granular size is 150 purpose dietary fibers.Total dietary fiber content is greater than 90.0%, and color and luster is faint yellow or light grey.
Embodiment 2
Get the fresh water caltrop stem of 200kg, after removing mud, defoliation, add 500kg water, boil 15min, filter, pulverize behind the sun cured at 100 ℃ of hot water.Add the aqueous solution of the 1wt% hydrogen peroxide of 18 times of water caltrop stem basic weights, with about NaOH adjust pH to 10.5, be heated to 45 ℃ of 2.5h that decolour, filter then, washing leaching cake is colourless to eluate, the pH value is about 7.Carry out expansion drying then, EAT is 200 ℃, and leaving air temp is 85 ℃, and dried filter cake is moisture 10～30%, filter cake is broken into even bulk cargo after, carry out microwave drying and sterilization, moisture is 5～13% after the sterilization.Dried material enters and has carried out pulverization process in the micronizer, and obtaining granular size is 200 purpose dietary fibers.Total dietary fiber content is greater than 90.0%, and color and luster is faint yellow or light grey.
Embodiment 3
Get the fresh water caltrop stem of 6kg, after removing mud, defoliation, put into pressure reaction still, add 24kg water and be heated to 130 ℃, gauge pressure 0.17MPa, insulation 5min pulls sun cured or oven dry out.The aqueous solution that contains the 1.2wt% hydrogen peroxide that adds 17 times of water caltrop stem basic weights after dried water caltrop stem is pulverized with about NaOH adjust pH to 11, is heated to 45 ℃ of 2h that decolour, and filters then, washing leaching cake is colourless to eluate, and the pH value is about 7.Filter cake is being vacuum drying under 65 ℃ of temperature, and dried material enters and carried out pulverization process in the micronizer, and obtaining granular size is 200 purpose dietary fibers.Total dietary fiber content is greater than 90.0%, and color and luster is faint yellow or light grey.
Embodiment 4
Get the fresh water caltrop stem of 6kg, it is long to be cut into 0.1～1cm after removing mud, defoliation, puts into pressure reaction still, adds 24kg water, is heated to 121 ℃, gauge pressure 0.1MPa, and insulation 10min filters.Get material and add 1.0wt% hydrogen peroxide 24kg, with about NaOH adjust pH to 11, be heated to 55 ℃ of 2h that decolour, filter then, washing leaching cake is colourless to eluate, the pH value is about 7.Be vacuum drying under 65 ℃ of temperature then.Dried material enters and has carried out pulverization process in the micronizer, and obtaining granular size is 200 purpose dietary fibers.Total dietary fiber content is greater than 90.0%, and color and luster is faint yellow or light grey.
Claims (5)
1, a kind of preparation process of water caltrop stem dietary fiber is characterized in that comprising the steps:
(1) the water caltrop stem removes earlier mud, defoliation, chops up then, handles 5～30min through blanching, dehydration;
(2) add processings of decolouring of 0.01～2.0wt% hydrogen peroxide, regulating the pH value with NaOH is 9～11, and bleaching temperature is 30～90 ℃, and filtration is afterwards washed to eluate colourlessly, and the pH value is 7;
(3) carry out vacuum drying or expansion drying, dried cake moisture is 10～30%;
(4) filter cake is broken into even bulk cargo after, carry out microwave drying and sterilization, cake moisture is 5～13% after the sterilization;
(5) dried material enters and has carried out pulverization process in the micronizer, makes dietary fiber.
2, according to the described a kind of preparation process of water caltrop stem dietary fiber of claim 1, it is long to it is characterized in that the described water caltrop stem of step (1) chops up into earlier 0.1～1cm before blanching is handled.
3, according to the described a kind of preparation process of water caltrop stem dietary fiber of claim 1, it is characterized in that the EAT of described step (3) expansion drying is 150～220 ℃, leaving air temp is 50～90 ℃.
4,, it is characterized in that the dietary fiber granular size that described step (5) makes is 100～300 orders according to the described a kind of preparation process of water caltrop stem dietary fiber of claim 1.
5, according to the described a kind of preparation process of water caltrop stem dietary fiber of claim 1, it is characterized in that described step (1) is that the water caltrop stem removes earlier mud, defoliation, handle 5～30min through blanching, dehydration is dried or is dried the back again and pulverizes.
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| CNB2006101237626A CN100500027C (en) | 2006-11-27 | 2006-11-27 | Preparing process of water caltrop stem dietary fiber |
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| CNB2006101237626A CN100500027C (en) | 2006-11-27 | 2006-11-27 | Preparing process of water caltrop stem dietary fiber |
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| CN1985657A CN1985657A (en) | 2007-06-27 |
| CN100500027C true CN100500027C (en) | 2009-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11229095B2 (en) | 2014-12-17 | 2022-01-18 | Campbell Soup Company | Electromagnetic wave food processing system and methods |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102726507A (en) * | 2012-06-02 | 2012-10-17 | 胡素芳 | Water caltrop kernel processing method |
| CN103738910B (en) * | 2013-09-26 | 2015-08-19 | 中国农业科学院作物科学研究所 | A kind of processing method of buckwheat shell purification and decoloration |
| GB2520486B (en) | 2013-11-19 | 2016-09-14 | Cauli-Rice Ltd | Treating cauliflower with a reactive oxygen species |
| CN106174482A (en) * | 2016-07-08 | 2016-12-07 | 安徽济他倍乐生物科技有限公司 | A kind of health food |
| CN109222001A (en) * | 2018-11-05 | 2019-01-18 | 安庆师范大学 | A kind of preparation method of water chestnut stem composite powder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1589653A (en) * | 2003-08-29 | 2005-03-09 | 朱天保 | Shelled water chestnut normal temperature fresh keeping method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1589653A (en) * | 2003-08-29 | 2005-03-09 | 朱天保 | Shelled water chestnut normal temperature fresh keeping method |
Non-Patent Citations (2)
| Title |
|---|
| 菱角粉加工法. 孙新华.内陆水产，第1995卷第2期. 1995 |
| 菱角粉加工法. 孙新华.内陆水产，第1995卷第2期. 1995 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11229095B2 (en) | 2014-12-17 | 2022-01-18 | Campbell Soup Company | Electromagnetic wave food processing system and methods |
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Owner name: GUANGZHOU EXTRACTION BIOLOGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SOUTHERN CHINA UNIVERSITY OF TECHNOLOGY Effective date: 20120502 |
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Effective date of registration: 20120502 Address after: 510655 Guangzhou city Tianhe District village two cross road No. 21 compound by No. 27 first floor Patentee after: GUANGZHOU EXTRACTION BIOLOGY TECHNOLOGY CO., LTD. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: South China University of Technology |