CN106967177A - Ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared collaboration processing - Google Patents
Ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared collaboration processing Download PDFInfo
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- CN106967177A CN106967177A CN201710261761.6A CN201710261761A CN106967177A CN 106967177 A CN106967177 A CN 106967177A CN 201710261761 A CN201710261761 A CN 201710261761A CN 106967177 A CN106967177 A CN 106967177A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/02—Esters
- C08B31/04—Esters of organic acids, e.g. alkenyl-succinated starch
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- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared cooperative processing method, is mainly included the following steps that：Starch processing, esterification, isolate and purify and the step such as cold nebulization.The present invention's is particular in that：Esterification is carried out during concentration, the esterifying efficiency of starch is higher；Meanwhile, the ethanol water gradually reduced using ethanol content carries out washing purifying, can lift product purity.
Description
Technical field
The invention belongs to technical field of modified starch, and in particular to ocentyl succinic shallow lake is prepared by raw material of wheaten starch
The method of powder ester.
Background technology
Starch octenylsuccinate is a major class converted starch, and only one in grocery trade is allowed to use in China
Plant, i.e. starch octenyl succinate anhydride.Starch octenyl succinate anhydride be white powder, nontoxic, free from extraneous odour, can be molten in the hot water
Solution, can dissolve, transparent liquid has good stability in acid-base solution after being handled through pre-gelatinized in cold water.Starch
After being acted on through octenyl succinic acid anhydride, the viscosity of starch is improved, and the anti-aging stability of cooking material is improved.Sometimes, this derivative
Thing can also improve the texture feature of starch.
Starch octenylsuccinate is best suitable for the wall material of microencapsulation, and it can substitute gum arabic, can be to food
Product dispensing such as essence, pigment, vitamin, mineral matter, enzyme preparation and microorganism carry out embedding treatment.
The content of the invention
It is an object of the invention to provide one kind reaction is gentle, separation is efficient, ocentyl succinic wheat easy to operate forms sediment
The preparation method of powder ester, the microencapsulation wall available for liposoluble substance.
Ocentyl succinic wheaten starch ester prepared by a kind of vacuum-infrared cooperative processing method, comprises the following steps：
(1) starch is handled：Take second alcohol and water, in mass ratio 2:1 mixing, is then uniformly sprayed on wheaten starch, until forming sediment
The ethanol content of powder is 8-9%, carries out vacuum-infrared collaboration processing, the vacuum of processing environment is 0.05-0.06MPa, infrared
3-4 μm of line wavelength, 100-110 DEG C of infrared heat source temperature, thermal source is with starch at a distance of 8-10cm, and processing time is 50-55 minutes；
(2) esterification：Using the starch after step (1) processing as raw material, add water until the water content of starch is 68-
70%, using octenyl succinic acid anhydride and alcohol mixeding liquid as esterifying agent, octenyl succinic acid anhydride addition is the 8- of starch quality
10%, when starch water content is reduced to 8-9% during esterification, course of reaction are carried out during temperature is 62-64 DEG C of concentration reactor
Stop concentration reaction, obtain starch octenyl succinate anhydride；
(3) isolate and purify：3 washings are carried out to starch octenyl succinate anhydride and are centrifuged；3 washings：Adopt for 1st time
Washed with ethanol content 13-15% ethanol water, the 2nd time is the ethanol water for using ethanol content 6-7%, the
3 times are to drink water washing；
(4) cold nebulization：The starch octenyl succinate anhydride isolated and purified is added water into tune pH to 4.1-4.2, sprayed
It is dried to obtain product；The EAT of spray drying is 170-172 DEG C, and leaving air temp is 74-76 DEG C.
Step (2) described esterifying agent：The mass ratio of the octenyl succinic acid anhydride and ethanol is 1:5.8-6.0.
Advantage of the invention is that：
1st, in wheaten starch processing procedure, ethanol water is uniformly sprayed on starch, when carrying out vacuum-infrared collaboration processing
With good collaboration cavitation, while ethanol volatilization can allow wheaten starch porous.
2nd, esterification is carried out in concentration reactor, esterification, control concentration speed is carried out during concentration
And reaction speed, the esterifying efficiency of starch greatly improves.
3rd, after starch esterification reaction, the ethanol water gradually reduced using ethanol content carries out washing purifying, can be very
The octenyl succinic acid anhydride of residual is adsorbed well, increases product purity, while not destroying the stability of starch ester product.
Embodiment
Embodiment one
(1) starch is handled：Take second alcohol and water, in mass ratio 2:1 mixing, is then uniformly sprayed on wheaten starch, until forming sediment
The ethanol content of powder is 9%, carries out vacuum-infrared collaboration processing, the vacuum of processing environment is 0.06MPa, IR wavelength 4
μm, 110 DEG C of infrared heat source temperature, thermal source is with starch at a distance of 10cm, and processing time is 55 minutes；
(2) esterification：Using above-mentioned starch as raw material, add water until the water content of starch is 70%, with octenyl succinic
Acid anhydrides and alcohol mixeding liquid are esterifying agent, and the mass ratio of octenyl succinic acid anhydride and ethanol is 1:6, octenyl succinic acid anhydride addition
Measure as the 8% of starch quality, the starch water content drop in esterification, course of reaction are carried out during temperature is 64 DEG C of concentration reactors
For 9% when stop concentration reaction, obtain starch octenyl succinate anhydride；
(3) isolate and purify：3 washings are carried out to starch ester and are centrifuged, the 1st time water-soluble using the ethanol of ethanol content 15%
Liquid is washed, and the 2nd time is the ethanol water for using ethanol content 7%, and the 3rd time is to drink water washing；
(4) cold nebulization：The starch octenyl succinate anhydride isolated and purified is added water into tune pH to 4.1, is spray-dried
Obtain product；The EAT of spray drying is 172 DEG C, and leaving air temp is 76 DEG C.
Through test and detect, 30% ocentyl succinic wheaten starch ester embedding 42%DHA, embedding rate reach 95% with
On, stability is good, and shelf life was up to more than 12 months.
Claims (2)
1. ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared collaboration processing, it is characterised in that including following step
Suddenly：
(1) starch is handled：Take second alcohol and water, in mass ratio 2:1 mixing, is then uniformly sprayed on wheaten starch, until starch
Ethanol content is 8-9%, carries out vacuum-infrared collaboration processing, the vacuum of processing environment is 0.05-0.06MPa, infrared wave
It is long 3-4 μm, 100-110 DEG C of infrared heat source temperature, thermal source is with starch at a distance of 8-10cm, and processing time is 50-55 minutes；
(2) esterification：Using step (1) processing after starch as raw material, add water until starch water content be 68-70%, with
Octenyl succinic acid anhydride is esterifying agent with alcohol mixeding liquid, and octenyl succinic acid anhydride addition is the 8-10% of starch quality,
Temperature concentrates to carry out stopping when starch water content in esterification, course of reaction is reduced to 8-9% in 62-64 DEG C of concentration reactor
Reaction, obtains starch octenyl succinate anhydride；
(3) isolate and purify：3 washings are carried out to starch octenyl succinate anhydride and are centrifuged；3 washings：Use second 1st time
Alcohol content 13-15% ethanol water is washed, and the 2nd time is the ethanol water for using ethanol content 6-7%, the 3rd time
To drink water washing；
(4) cold nebulization：The starch octenyl succinate anhydride isolated and purified is added water into tune pH to 4.1-4.2, is spray-dried
Obtain product；The EAT of spray drying is 170-172 DEG C, and leaving air temp is 74-76 DEG C.
2. ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared collaboration processing according to claim 1, its
It is characterised by：Step (2) described esterifying agent：The mass ratio of the octenyl succinic acid anhydride and ethanol is 1:5.8-6.0.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710261761.6A CN106967177A (en) | 2017-04-20 | 2017-04-20 | Ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared collaboration processing |
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| CN201710261761.6A CN106967177A (en) | 2017-04-20 | 2017-04-20 | Ocentyl succinic wheaten starch ester prepared by a kind of vacuum infrared collaboration processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010818A (en) * | 2022-05-26 | 2022-09-06 | 南京财经大学 | Method for preparing resistant starch RS4 through far infrared cooperative vacuum treatment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279450A (en) * | 2016-08-30 | 2017-01-04 | 李郑松 | A kind of preparation method of porous starch octenyl succinate anhydride |
-
2017
- 2017-04-20 CN CN201710261761.6A patent/CN106967177A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279450A (en) * | 2016-08-30 | 2017-01-04 | 李郑松 | A kind of preparation method of porous starch octenyl succinate anhydride |
Non-Patent Citations (3)
| Title |
|---|
| 于新等: "《天然食品添加剂》", 31 March 2014, 中国轻工业出版社 * |
| 扶雄等: "《食用变性淀粉》", 31 March 2016, 中国轻工业出版社 * |
| 童丹等: "《马铃薯变性淀粉加工技术》", 31 October 2015, 武汉大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010818A (en) * | 2022-05-26 | 2022-09-06 | 南京财经大学 | Method for preparing resistant starch RS4 through far infrared cooperative vacuum treatment |
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Application publication date: 20170721 |