CN102766224A - Production technology of low-temperature instant-dissolving agar - Google Patents
Production technology of low-temperature instant-dissolving agar Download PDFInfo
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- CN102766224A CN102766224A CN2012102757905A CN201210275790A CN102766224A CN 102766224 A CN102766224 A CN 102766224A CN 2012102757905 A CN2012102757905 A CN 2012102757905A CN 201210275790 A CN201210275790 A CN 201210275790A CN 102766224 A CN102766224 A CN 102766224A
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Abstract
The invention discloses production technology of low-temperature instant-dissolving agar. The technology includes the steps: adding cosolvent into seaweed glue liquid or adding water into agar and cosolvent, boiling, dissolving completely, processing through a high-pressure or superpressure device, dehydrating through a plate-and-frame filter press, microwave drying to sterilize till an appropriate amount of water is left, smashing and sieving to obtain low-temperature instant-dissolving products (physical modified agar); or processing through the high-pressure or superpressure device and spray-drying to obtain the products (physical modified agar); or processing through the high-pressure or superpressure device, superfreezing, thawing, filter-pressing, extruding through a screw compressor, airing and smashing to obtain the products (physical modified agar). The low-temperature instant-dissolving agar produced by using the technology method has the advantages of being fast in dissolving at the low temperature.
Description
Technical field
The present invention is a kind of manufacturing technology that relates to requisite agar in foodstuffs industry, day chemical industry, biotechnology, pharmacy, the scientific research.
Technical background:
Seaweed gel is the polysaccharide material that from the marine algae plant, extracts, and belongs to lyophilic colloid.Important commodity seaweed gel mainly contains carrageenin, agar, alginates etc.Seaweed gel has good gelation, thickening property and water-retentivity, is indispensable colloid in foodstuffs industry, day chemical industry, biotechnology, the pharmacy.
Agar is also claimed " agar-agar ", is the polysaccharide of obtaining through refining from marine red alga plants such as gelidium, fragrant plants mentioned in ancient texts, and its staple is the sulfuric acid ester of poly semi-lactosi.Agar has special gelling properties because of it, has been widely used in fields such as food, medicine, chemical industry, weaving, national defence, scientific research.Agar is classified as generally regarded as safe product by U.S. food medication management regulations already, gets permission to be written among the food chemistry article pharmacopeia as special topic as foodstuff additive.The Food and Argriculture OrganizationFAO in 1973 and the World Health Organization estimate to be thought that everyone per kilogram of body weight every day of agar allows to take in and not to add restriction, thus agar be safe, do not add the foodstuff additive that restriction is used.
Gelling characteristics that agar has is not only utilized by various foodstuff production, and on microbiological culture media, has also obtained using widely.But conventional agar-agar can only be more than 95 ℃, just dissolving fully in 10-15 minute; When heating for dissolving, need high temperature and long time, the big defective when becoming its application.
One Chinese patent application discloses a kind of agar production technique No. 200510112224, and this technology is scattered in agar powder and solubility promoter in the water under agitation condition, then consoluet agar colloidal sol freezing is extremely freezed fully; Melt then; Dehydration under the condition of natural condition or warm air drying, is sprayed onto dry thing surface with pre-configured dispersion agent with the spray mode; Obtain quickly dissolving agar, the solvent temperature of gained agar can be reduced to 80 ℃.
Along with the fast development of foodstuffs industry, the demand of the agar of excellent property is also more and more come urgently how to prepare a kind of agar of low solvent temperature, become this area problem demanding prompt solution.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art; A kind of production technology of low-temperature instant agar is provided; Make it carry out physically modified to agar, the agar dissolution in low temperature property of production is good, in practical application, greatly facilitates the production of industriallization flow line; Satisfied the requirement of low-temperature production process, for new field and new market have been opened up in the application of agar.
The present invention realizes through following technical scheme, may further comprise the steps:
(1) agar and solubility promoter are scattered in the water under agitation condition, boiled several minutes, until dissolving fully; Or connect operation before the press filtration of traditional agar production technique, and solubility promoter is joined in the glue of waiting for press filtration, mix to solubility promoter and dissolve fully;
(2), operate according in following three kinds of processing modes any with the consoluet colloid that obtains in the step (1) and the mixed solution of solubility promoter:
A. the mixed solution of consoluet colloid that obtains in the step (1) and solubility promoter is handled through high pressure or extra-high tension unit, spray-dried granulation obtains low-temperature instant agar;
B. the mixed solution of consoluet colloid that obtains in the step (1) and solubility promoter is handled through high pressure or extra-high tension unit; Utilize mono-frozen machine to carry out quick freezing, through the microwave quick-thawing, the mixed solution after the freeze thawing is used the plate-and-frame filter press filter-press dehydration then to-30 to-50 ℃; The film that press filtration is obtained is with extruding under single screw rod or the twin screw extruder heating; Through microwave or warm air drying, crushing screening obtains low-temperature instant agar;
C. with the consoluet colloid that obtains in the step (1) and the mixed solution of solubility promoter; Handle through high pressure or extra-high tension unit; Renew plate-and-frame filter press press filtration operation and follow-up film airing or oven dry, the film crushing screening operation of the traditional processing technology that connects agar, obtain low-temperature instant agar.
The aqueous solution of said agar of step (1) or marine alga; The concentration that colloid is dissolved in the water is 1-10%;
The said solubility promoter of step (1) comprises one or more the mixture in salt, sugar and the emulsifying agent, and said salt can be sodium salt, sylvite or phosphoric acid salt, and said sugar can be sucrose, glucose, Xylitol or dextrin; Said emulsifying agent is sucrose ester or this Pan; The addition of solubility promoter is the 5-90% of agar;
The traditional processing technology of the said agar of step (1) be meant marine alga sort, clean, boil glue, impurity screening, with plate-and-frame filter press with water separate with colloid, film airing or oven dry, pulverize, sieve, the step of finished product;
Said high pressure of step (2) or extra-high tension unit are high pressure or super-high-pressure homogenization machine or mulser, and its pressure is 40-150MPa;
The working temperature of the said screw extrusion press of step (3) is less than 110 ℃.
Production technology of the present invention has the following advantages: the agar solvability for preparing is good, and required solvent temperature is low; The agar product that the present invention produces belongs to physically modified, can not change the chemical property of material, meets the regulation of " food safety method " and relevant laws and regulations, is applicable to the use of foodstuffs industry and other industry;
Agar solvent temperature before the modification is>=95 ℃, 15 minutes time; After present method modification, the agar solvent temperature is≤70 ℃, and the time was less than 8 minutes; Simultaneously, the gelation rate of agar also can be through the proportioning of adjustment solubility promoter, and (time-delay is slowed down or quickened fast coagulating) is effectively controlled
Embodiment
Through embodiment the present invention is described in more detail below.
Embodiment 1
Get agar powder 20g, sucrose 2g adds water 1kg, boils to dissolving fully.Stop heating, handle under 140MPa through the super-high-pressure homogenization machine, spray-dried granulation obtains low-temperature instant modification agar product.
The product dissolution rate: 65 ℃ 8 minutes.
Embodiment 2
Get agar 400g, glucose 60g adds water 10kg, boils to dissolving fully.Stop heating, under 50MPa, handle,, obtain instant modification agar finished product through plate-and-frame filter press press filtration, film airing or oven dry, film crushing screening operation through high pressure homogenizer.
The product dissolution rate: 65 ℃, 7 minutes.
Embodiment 3
Get agar 30g, sucrose 3g is scattered under agitation condition in the 2kg water, boils several minutes, until dissolving fully.Consoluet mixed solution is handled under 150MPa through the super-high-pressure homogenization machine, and the mixed solution after will handling through the super-high-pressure homogenization machine carries out quick freezing to-35 ℃ with mono-frozen machine, then through the microwave quick-thawing; Mixed solution after the freeze thawing is extruded under with single screw extrusion machine heating (95 ℃) through film that plate-and-frame filter press press filtration, press filtration obtain, and through microwave drying sterilization or airing, oven dry, crushing screening obtains low-temperature instant modification agar.
The product dissolution rate: 60 ℃ 6-8 minute.
Embodiment 4
Get agar powder 30g, sucrose 3g is scattered under agitation condition in the 2kg water, boils several minutes, until dissolving fully.Consoluet agar is handled under 150MPa through the super-high-pressure homogenization machine, will be through the mixed solution after the processing of extra-high tension unit handler, carry out quick freezing-30 ℃ with mono-frozen machine, pass through the microwave quick-thawing then.Mixed solution after the freeze thawing is extruded under with twin screw extruder heating (95 ℃) through film that plate-and-frame filter press press filtration, press filtration obtain, and through microwave or warm air drying, crushing screening obtains low-temperature instant agar.
The product dissolution rate: 62 ℃ 6-8 minute.
Claims (7)
1. the production technology of a low-temperature instant agar is characterized in that, may further comprise the steps:
(1) agar and solubility promoter are scattered in the water under agitation condition, boiled several minutes, until dissolving fully; Or connect operation before the press filtration of traditional processing technology of agar, and solubility promoter is joined in the glue of waiting for press filtration, mix to solubility promoter and dissolve fully;
(2), operate according in following three kinds of processing modes any with the consoluet colloid that obtains in the step (1) and the mixed solution of solubility promoter:
A. the mixed solution of consoluet colloid that obtains in the step (1) and solubility promoter is handled through high pressure or extra-high tension unit, spray-dried granulation obtains low-temperature instant agar;
B. the mixed solution of consoluet colloid that obtains in the step (1) and solubility promoter is handled through high pressure or extra-high tension unit; Utilize mono-frozen machine to carry out quick freezing, through the microwave quick-thawing, the mixed solution after the freeze thawing is used the plate-and-frame filter press filter-press dehydration then to-30 to-50 ℃; The film that press filtration is obtained is with extruding under single screw rod or the twin screw extruder heating; Through microwave or warm air drying, crushing screening obtains low-temperature instant agar;
C. the consoluet colloid that obtains in the step (1) and the mixed solution of solubility promoter; Handle through high pressure or extra-high tension unit; Renew plate-and-frame filter press press filtration operation and follow-up film airing or oven dry, the film crushing screening operation of the traditional processing technology that connects agar, obtain low-temperature instant agar.
2. the production technology of low-temperature instant agar according to claim 1 is characterized in that the mass volume ratio that water-soluble, the seaweed gel of the said agar of step (1) is dispersed in the water is 1-10%.
3. like the production technology of each said low-temperature instant agar of claim 1-2; It is characterized in that; The said solubility promoter of step (1) comprises salt, sugar, sucrose ester or this Pan, and said salt is sodium salt, sylvite or phosphoric acid salt, and said sugar is sucrose, glucose, Xylitol or dextrin.
4. like the production technology of each said low-temperature instant agar of claim 1-3, it is characterized in that the addition of the said solubility promoter of step (1) is the 5-90% of seaweed gel.
5. like the production technology of each said low-temperature instant agar of claim 1-4, it is characterized in that said high pressure of step (2) or extra-high tension unit are high pressure or super-high-pressure homogenization machine or mulser, its pressure is 40-150MPa.
6. like the production technology of each said low-temperature instant agar of claim 1-5, it is characterized in that the working temperature of the said screw extrusion press of step (3) is less than 110 ℃.
7. like the production technology of each said low-temperature instant agar of claim 1-6, it is characterized in that the said mono-frozen machine of step (2) b. has extremely-30 to-50 ℃ ability of quick freezing.
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| CN201210275790.5A CN102766224B (en) | 2012-08-06 | 2012-08-06 | Production technology of low-temperature instant-dissolving agar |
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| CN201210275790.5A CN102766224B (en) | 2012-08-06 | 2012-08-06 | Production technology of low-temperature instant-dissolving agar |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421198A (en) * | 2013-07-23 | 2013-12-04 | 东北农业大学 | Preparation method and application of low-temperature dissolving agar |
| CN105175579A (en) * | 2015-10-20 | 2015-12-23 | 国家***第三海洋研究所 | Preparation method of instant agar |
| CN105995948A (en) * | 2016-05-13 | 2016-10-12 | 东北农业大学 | Agar compound colloid being dissoluble at low temperature and high in gelling strength and preparation method thereof |
| CN106107924A (en) * | 2016-07-21 | 2016-11-16 | 石家庄市兄弟伊兰食品配料有限公司 | A kind of preparation method of low-temperature instant agar |
| CN106832062A (en) * | 2016-09-29 | 2017-06-13 | 绿麒（厦门）海洋生物科技有限公司 | A kind of Instant agarose with high-specific surface area and preparation method thereof |
| CN106957375A (en) * | 2017-04-18 | 2017-07-18 | 广东凯闻生物科技有限公司 | A kind of production technology of refined low-temperature instant agarose |
| CN106977752A (en) * | 2017-05-05 | 2017-07-25 | 青岛德慧海洋生物科技有限公司 | The preparation method of low-temperature instant agar |
| CN108264584A (en) * | 2018-01-31 | 2018-07-10 | 武汉泰科生物技术有限公司 | A kind of process for purification of low-temperature instant agar |
| CN108783405A (en) * | 2018-06-28 | 2018-11-13 | 福建省天源兴达食品有限公司 | A kind of preparation method of high-gel strength agar |
| CN108783404A (en) * | 2018-06-21 | 2018-11-13 | 福建省天源兴达食品有限公司 | A kind of preparation method of low-temperature instant agar |
| CN108834903A (en) * | 2018-08-20 | 2018-11-20 | 界首市王集镇顺义家庭农场 | A kind of Snakegourd Fruit tissue cultivating and seedling method |
| CN109054053A (en) * | 2018-06-28 | 2018-12-21 | 福建省天源兴达食品有限公司 | A kind of processing technology of high-gel strength agar |
| CN109929062A (en) * | 2019-04-23 | 2019-06-25 | 福建省绿麒食品胶体有限公司 | A kind of preparation method of high whiteness agar |
| CN109929061A (en) * | 2017-12-18 | 2019-06-25 | 内蒙古蒙牛乳业（集团）股份有限公司 | Agar and preparation method and application |
| CN111171175A (en) * | 2020-02-17 | 2020-05-19 | 青岛明月海藻集团有限公司 | Preparation method of high-viscosity instant algin |
| CN113475667A (en) * | 2021-06-30 | 2021-10-08 | 广东顺大食品调料有限公司 | Production process of compound colorant |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421198B (en) * | 2013-07-23 | 2015-06-10 | 东北农业大学 | Preparation method and application of low-temperature dissolving agar |
| CN103421198A (en) * | 2013-07-23 | 2013-12-04 | 东北农业大学 | Preparation method and application of low-temperature dissolving agar |
| CN105175579A (en) * | 2015-10-20 | 2015-12-23 | 国家***第三海洋研究所 | Preparation method of instant agar |
| CN105995948A (en) * | 2016-05-13 | 2016-10-12 | 东北农业大学 | Agar compound colloid being dissoluble at low temperature and high in gelling strength and preparation method thereof |
| CN106107924A (en) * | 2016-07-21 | 2016-11-16 | 石家庄市兄弟伊兰食品配料有限公司 | A kind of preparation method of low-temperature instant agar |
| CN106832062B (en) * | 2016-09-29 | 2019-01-25 | 绿麒（厦门）海洋生物科技有限公司 | A kind of Instant agarose and preparation method thereof with high-specific surface area |
| CN106832062A (en) * | 2016-09-29 | 2017-06-13 | 绿麒（厦门）海洋生物科技有限公司 | A kind of Instant agarose with high-specific surface area and preparation method thereof |
| CN106957375A (en) * | 2017-04-18 | 2017-07-18 | 广东凯闻生物科技有限公司 | A kind of production technology of refined low-temperature instant agarose |
| CN106977752A (en) * | 2017-05-05 | 2017-07-25 | 青岛德慧海洋生物科技有限公司 | The preparation method of low-temperature instant agar |
| CN109929061A (en) * | 2017-12-18 | 2019-06-25 | 内蒙古蒙牛乳业（集团）股份有限公司 | Agar and preparation method and application |
| CN108264584A (en) * | 2018-01-31 | 2018-07-10 | 武汉泰科生物技术有限公司 | A kind of process for purification of low-temperature instant agar |
| CN108783404A (en) * | 2018-06-21 | 2018-11-13 | 福建省天源兴达食品有限公司 | A kind of preparation method of low-temperature instant agar |
| CN108783404B (en) * | 2018-06-21 | 2021-09-10 | 福建天源兴达生物科技有限公司 | Preparation method of low-temperature instant agar |
| CN109054053A (en) * | 2018-06-28 | 2018-12-21 | 福建省天源兴达食品有限公司 | A kind of processing technology of high-gel strength agar |
| CN108783405A (en) * | 2018-06-28 | 2018-11-13 | 福建省天源兴达食品有限公司 | A kind of preparation method of high-gel strength agar |
| CN109054053B (en) * | 2018-06-28 | 2020-12-25 | 福建天源兴达生物科技有限公司 | Processing technology of agar with high gel strength |
| CN108783405B (en) * | 2018-06-28 | 2021-09-10 | 福建天源兴达生物科技有限公司 | Preparation method of agar with high gel strength |
| CN108834903A (en) * | 2018-08-20 | 2018-11-20 | 界首市王集镇顺义家庭农场 | A kind of Snakegourd Fruit tissue cultivating and seedling method |
| CN109929062A (en) * | 2019-04-23 | 2019-06-25 | 福建省绿麒食品胶体有限公司 | A kind of preparation method of high whiteness agar |
| CN109929062B (en) * | 2019-04-23 | 2021-05-14 | 福建省绿麒食品胶体有限公司 | Preparation method of high-whiteness agar |
| CN111171175A (en) * | 2020-02-17 | 2020-05-19 | 青岛明月海藻集团有限公司 | Preparation method of high-viscosity instant algin |
| CN113475667A (en) * | 2021-06-30 | 2021-10-08 | 广东顺大食品调料有限公司 | Production process of compound colorant |
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Denomination of invention: Production technology of low-temperature instant-dissolving agar Effective date of registration: 20180417 Granted publication date: 20150204 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Dehui Ocean Biological Technology Co.,Ltd. Registration number: 2018370010027 |