CN106360309A - Preparation method of not-easily-browned wheat bran powder - Google Patents
Preparation method of not-easily-browned wheat bran powder Download PDFInfo
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- CN106360309A CN106360309A CN201610872146.4A CN201610872146A CN106360309A CN 106360309 A CN106360309 A CN 106360309A CN 201610872146 A CN201610872146 A CN 201610872146A CN 106360309 A CN106360309 A CN 106360309A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 235000015099 wheat brans Nutrition 0.000 title abstract description 11
- 239000000843 powder Substances 0.000 title abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000000834 fixative Substances 0.000 claims abstract description 20
- -1 sucrose fatty acid ester Chemical class 0.000 claims abstract description 20
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 19
- 239000000194 fatty acid Substances 0.000 claims abstract description 19
- 229930195729 fatty acid Natural products 0.000 claims abstract description 19
- 229930006000 Sucrose Natural products 0.000 claims abstract description 18
- 239000005720 sucrose Substances 0.000 claims abstract description 18
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- 229940082509 xanthan gum Drugs 0.000 claims abstract description 10
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 235000013343 vitamin Nutrition 0.000 claims description 19
- 239000011782 vitamin Substances 0.000 claims description 19
- 229940088594 vitamin Drugs 0.000 claims description 19
- 229930003231 vitamin Natural products 0.000 claims description 19
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000000265 homogenisation Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 210000000582 semen Anatomy 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 238000001035 drying Methods 0.000 abstract description 10
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- 239000002245 particle Substances 0.000 abstract description 3
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 abstract 2
- 229960001484 edetic acid Drugs 0.000 abstract 2
- 229930003427 Vitamin E Natural products 0.000 abstract 1
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 abstract 1
- 229940046009 vitamin E Drugs 0.000 abstract 1
- 235000019165 vitamin E Nutrition 0.000 abstract 1
- 239000011709 vitamin E Substances 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 235000013325 dietary fiber Nutrition 0.000 description 12
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- 208000002720 Malnutrition Diseases 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
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- 235000012054 meals Nutrition 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 208000015380 nutritional deficiency disease Diseases 0.000 description 3
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- 238000001694 spray drying Methods 0.000 description 3
- GAMYVSCDDLXAQW-AOIWZFSPSA-N Thermopsosid Natural products O(C)c1c(O)ccc(C=2Oc3c(c(O)cc(O[C@H]4[C@H](O)[C@@H](O)[C@H](O)[C@H](CO)O4)c3)C(=O)C=2)c1 GAMYVSCDDLXAQW-AOIWZFSPSA-N 0.000 description 2
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention relates to a preparation method of not-easily-browned wheat bran powder. The method comprises the following steps: putting wheat bran into a jet mill for crushing to obtain wheat bran micro-powder with a particle size less than or equal to 50mu m; taking 10-15 parts by weight of xanthan gum and 5-50 parts by weight of sucrose fatty acid ester, adding the xanthan gum and the sucrose fatty acid ester into 10000 parts by weight of water while stirring so as to enable the materials to be dissolved, then sequentially adding 1-1.5 parts by weight of vitamin E and 0.5 part by weight of ethylene diamine tetraacetic acid (EDTA), and evenly stirring to obtain a wheat bran color fixative solution; after that, carrying out twice-homogenizing to obtain homogenate; adding the wheat bran micro-powder into the homogenate while stirring, enabling the weight percent of the wheat bran micro-powder in the homogenate to be 20-25%, then putting into a high-speed mixer and evenly stirring to obtain mixed liquid; putting the mixed liquid into a spray dryer, and drying to obtain the not-easily-browned wheat bran powder. The wheat bran powder prepared by the method is not easily browned, so that the quality of a product is not influenced.
Description
Technical field
The present invention relates to a kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain.
Background technology
In recent years, the meals of urban and rural residents of China, nutriture have and are obviously improved, and malnutrition and malnutrition are ill
Rate continuous decrease, China still faces the double challenge of malnutrition and nutrient imbalance.A series of diseases relevant with diet nutritional
Significantly rise.It is 27～40g/d that the adult that World Health Organization (WHO) proposes should take in dietary fiber amount；U.S. fda recommends
The intake of adult's total dietary fiber is daily 20～35g/d；Britain's nutritionist advises that the intake of dietary fiber normally becomes
Artificially daily 25～30g/d.According to survey result, the intake of the daily dietary fiber of China resident only has 12g, only pushes away
The 40% of the amount of recommending.Therefore, for the nutriture improving China's different sexes, different age people, having can not for dietary fiber
The unique effect substituting.
China is to produce the most country of Semen Tritici aestivi in the world, and the statistics of United States Department of Agriculture (USDA) show, China occupies generation
The 16.5% of boundary's wheat yield, secondly European Union is about 16.1%, and the U.S. is about 10%, and Canada is about 5%.China is little within 2015
Wheat yield is 1.1 hundred million tons.Thus calculate, the annual amount usable of the by-product Testa Tritici of wheat processing is in 2000-2500 ten thousand
About ton.Contain the dietary fiber of nearly half in Testa Tritici, be the good source of processing dietary fiber.The meals being produced with Testa Tritici
Food fiber, has the characteristics that natural health, with low cost, safe, feature are strong, and therefore, Testa Tritici is processing meals
The desirable feedstock of fiber.However, due to containing the coloring matters such as class Hu Luosu, phylloxanthin and flavone in Testa Tritici, after being heated
Easily there is brown stain in color.So no matter from Testa Tritici, extract dietary fiber, or with Testa Tritici as base material, processing is rich in
The food of dietary fiber, the equal color and luster of obtained product is deeper.
Research now concerning Testa Tritici is concentrated mainly on the extraction of wheat edible fiber and purification, the changing of dietary fiber
The extraction aspect of effective ingredient in property, dietary fiber, the technique study with regard to preventing Testa Tritici brown stain is less.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, the method
Prepared Testa Tritici corium farinosum is not susceptible to brown stain, does not interfere with product quality.
A kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, comprises the following steps:
(1) Testa Tritici is taken to be placed in jet mill, in air velocity 3m3/ min, operating pressure 1.0mpa, grader
Rotating speed is pulverized under conditions of reversion 2400r/min, obtains the Testa Tritici micropowder of granularity≤50 μm；
(2) take xanthan gum, the sucrose fatty acid ester of 5-50 weight portion of 10-15 weight portion, add 10000 weights while stirring
In the water of amount part, it is heated to 50-60 DEG C and is stirred continuously and so that it is dissolved, then sequentially add the vitamin e of 1-1.5 weight portion
With the edta of 0.5 weight portion, stir, obtain Testa Tritici color fixative agent solution；
(3) the Testa Tritici color fixative agent solution obtaining in step (2) is placed in homogenizer, homogenization pressure be 20mpa,
Homogenizing temperature carries out second homogenate under conditions of being 45 DEG C, obtains homogenizing fluid；
(4) the Testa Tritici micropowder obtaining in step (1) is added in the homogenizing fluid obtaining in step (3) while stirring,
Make percentage by weight in homogenizing fluid for the Testa Tritici micropowder be 20-25%, then be placed in homogenizer and be uniformly mixing to obtain
Mixed liquor；
(5) mixed liquor obtaining in step (4) is placed in spray dryer, is 9m in intake velocity3/ min, charging speed
Spend and be 140 DEG C, be spray-dried under conditions of 70 DEG C of leaving air temp for 80ml/min, inlet temperature, obtain being difficult brown stain
Testa Tritici corium farinosum.
Use the single sugarcane for 10-16 for the hlb value as the sucrose fatty acid ester in preferred, described step (2)
Sugar fatty acid ester, or the hlb value that obtains mixing between 10-16 after being compounded by multiple sucrose fatty acid ester of different hlb values
Compound.
For the sake of simple declaration problem, below by a kind of preparation side of the Testa Tritici corium farinosum being difficult brown stain of the present invention
Method, referred to as this method.
In this method, vitamin e is colour fixative, and edta is synergist, and the brown stain of Testa Tritici is mainly due to Testa Tritici
The coloring matters such as middle carotenoid, phylloxanthin and flavone are oxidized to be caused.Vitamin e has stronger antioxidation, can
Prevent the brown stain of the pigment of Testa Tritici；Metal ion plays the effect of catalytic reaction to the process of oxidizing brown stain, and edta is one
Plant the very strong chelating agen of sequestering power, with the metal ion in Testa Tritici, chelatropic reaction can occur, form stable metal
Chelate, suppresses the catalytic action to Testa Tritici oxidizing brown stain for the metal ion；Vitamin e is liposoluble substance, water insoluble,
This method adopts sucrose fatty acid ester as emulsifying agent, and in water, sucrose fatty acid ester can be wrapped in the surface of vitamin e, prevents
Only vitamin e separates out；Emulsion due to being formed is oil-in-water type, and therefore, emulsifying agent should select the strong emulsifying agent of hydrophilic,
I.e. hlb value is more than 10, and the hlb value of different sucrose fatty acid ester is different, using front should be according to different sucrose fatty acid ester
Hlb value is different, and adjusting its mixing ratio makes the hlb value of mixed sucrose fatty acid ester in 10-16, so that vitamin e is in water
Can purpose that is fully dispersed and preventing vitamin e precipitation；Xanthan gum, on the one hand plays a part stabilized emulsion, the opposing party
Face, this method finally need to be removed the moisture in mixed liquor using being spray-dried, after adding Testa Tritici micropowder in homogenizing fluid,
Testa Tritici micropowder is easily precipitated to container bottom due to being in granular form, and after xanthan gum adds, mixed liquor is in the mistake being spray-dried
Cheng Zhong, Testa Tritici micropowder can uniformly be suspended in emulsion, not stratified, keeps preferable uniformity.
Step carries out homogenizing operation to Testa Tritici colour fixative in (3), is conducive to making vitamin e and emulsifying agent fully mixed
Close, homogenization pressure produces to emulsion stability and significantly affects.Homogenization pressure increases, and the shearing force suffered by feed liquid is bigger, shape
The emulsion becoming gets over stable homogeneous, and meanwhile, the surface area of drop increases, and surface energy increases.Therefore, when homogenization pressure is critical more than certain
During value, because droplet surface can be excessive, easily form breakdown of emulsion on the contrary and float, make creaming of emulsion, raise with temperature, homogenizing effect increases
Plus.But temperature is too high, cohesion is occupied an leading position, and instead results in homogenizing fluid stability and declines, records through repetition test, 45 DEG C
For optimal homogenizing temperature.With regard to homogenization cycles, if only homogenizing is once, emulsion emulsifying is difficult to mix homogeneously, emulsion stabilization
Property is relatively low, therefore adopts second homogenate.Consider factors above, the present invention adopts homogenization pressure 40mpa, 45 DEG C of homogenizing temperature
Under the conditions of carry out second homogenate.
Make in step (4) percentage by weight in homogenizing fluid for the Testa Tritici micropowder be 20-25%, due to be spray-dried into
Material there are certain requirements to the denseness of feeding liquid, and feeding-up solution feed is difficult, easily blocks charging aperture and flowing velocity is slower, this
Sample easy time of staying in spray dryer is long, destroys the composition of vitamin e under the high temperature conditions, loses color-protecting function, warp
Cross validation trial, as Testa Tritici micropowder concentration ＜ 25%, feed solution flow is normal, for as making discharging rapid as possible, fall
Low energy consumption, suitable Testa Tritici micropowder concentration is that 20-25% is more appropriate.Wall material characteristic is the important of impact microcapsule product
Factor, the wall material preparing microcapsule for spray drying should possess the water solublity of height.
During step (5) is spray-dried, if charging rate is too fast, may result in evaporability inadequate, dry
Dry effect is poor, Testa Tritici micropowder moisture is larger, apt to deteriorate during follow-up preservation.If charging rate mistake
Slowly, it is long to may result in the easy time of staying in spray dryer, and overlong time vitamin e molecular structure is just under the high temperature conditions
Can be destroyed, lose color-protecting function；The selection entering temperature of outgoing air is also the key of impact product operation and quality, to its main shadow
Sound shows that turnover air temperature is too low, and because moisture is big, during spray drying, wall sticking phenomenon is serious, the collection of impact product,
Improve turnover air temperature, can be dried faster, but temperature is too high, vitamin e molecular structure is easily destroyed, color fixative efficiency declines.
Through experimental results demonstrate: when spray drying major parameter is 80ml/min for charging rate, inlet temperature is 140 DEG C, air-out
When temperature is 70 DEG C, so that the Testa Tritici micropowder obtaining can either is dried completely, contained vitamin e does not have again substantially
Destroyed, there is preferable effect of color protection.
The advantage of this method is as follows: the Testa Tritici corium farinosum according to prepared by this method can be as additive, with other foods
Product raw material hybrid process becomes the food rich in dietary fiber, and is not susceptible to brown stain during processing, does not interfere with product
Product quality.In addition, this method step is simple, easy to process, low cost, it is suitable in industry promoting the use of.
Specific embodiment
About the mensure of Testa Tritici ph value, the mensure of Testa Tritici moisture, vomiting poison in four embodiments of described below
The concrete operation step of the mensure of element is as follows:
1st, Testa Tritici powder size measures
Measure the particle diameter of Testa Tritici micropowder using mastersizer 2000 Malvern laser diffraction analyzer.Take appropriate
Testa Tritici micropowder, with distilled water as dispersant, with ultrasound wave, powder body is disperseed, measure powder body particle diameter.
2nd, Testa Tritici micropowder color measuring
Measure Testa Tritici micropowder color and luster parameter with cr-10 type colour difference meter, Instrument Illumination geometrical condition adopts cie regulation
45/0 measuring head, colour system is △ e (l*,a*,b*), wherein △ e is overall aberration, with standard white plate colourity closer to color
Whiter.l*Represent the shading value of sample surfaces color and luster, l*Value is bigger, shows that color sample is whiter, browning degree is lower；Conversely, more
Secretly, show that browning degree is higher.
3rd, Testa Tritici micropowder is processed
For checking the browning degree of Testa Tritici, in four embodiments of described below, relevant Testa Tritici brown stain reference value is equal
By untreated Testa Tritici l*Value as reference, the concrete operation step of Testa Tritici brown stain reference values is as follows:
Testa Tritici is weighed on electronic scale, carries out in jet mill being crushed to granularity≤50 μm；Directly use cr-10
Type colour difference meter measures l*It is worth for 56.35, this data is used for relevant Testa Tritici undressed brown stain reference in following four embodiment
Value.
Take Testa Tritici, carry out being crushed to granularity≤50 μm in jet mill；100g Semen Tritici aestivi is weighed on electronic scale
Wheat bran micropowder is placed in 500ml beaker, adds 200g water, adjusting its ph value with sodium hydroxide is 10 about, heats 30min, takes out
Filter, with boiling drier drying to 12% about, after being dried, directly use cr-10 type colour difference meter to measure l*It is worth for 32.56,
This data is used for brown stain reference value after relevant Testa Tritici processing in following four embodiment.
Embodiment one:
A kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, comprises the following steps:
(1) 2kg Testa Tritici is taken to be placed in jet mill, in air velocity 3m3/ min, operating pressure 1.0mpa, point
Level machine rotating speed is pulverized under conditions of reversion 2400r/min, obtains the Testa Tritici micropowder of granularity≤50 μm；
(2) take the xanthan gum of 10g, the sucrose fatty acid ester of 5g, add while stirring in the water of 10kg, be heated to 55 DEG C simultaneously
It is stirred continuously and so that it is dissolved, then sequentially add the edta of vitamin e and 0.5g of 1g, stir, obtain Testa Tritici
Color fixative agent solution；
(3) the Testa Tritici color fixative agent solution obtaining in step (2) is placed in homogenizer, homogenization pressure be 20mpa,
Homogenizing temperature carries out second homogenate under conditions of being 45 DEG C, obtains homogenizing fluid；
(4) the Testa Tritici micropowder obtaining in step (1) is added in the homogenizing fluid obtaining in step (3) while stirring,
It is placed in homogenizer and be uniformly mixing to obtain mixed liquor again；
(5) mixed liquor obtaining in step (4) is placed in spray dryer, is 9m in intake velocity3/ min, charging speed
Spend and be 140 DEG C, be spray-dried under conditions of 70 DEG C of leaving air temp for 80ml/min, inlet temperature, obtain being difficult brown stain
Testa Tritici corium farinosum 1.95kg.
Result verification: prepared 100g Testa Tritici micropowder is weighed on electronic scale and is placed in 500ml beaker, add 200g
Water, adjusting its ph value with sodium hydroxide is 10 about, heats 30min, takes out and filters, with boiling drier drying to 12% about,
After drying, cr-10 type colour difference meter is directly used to measure l*It is worth for 54.26, the l with former Testa Tritici micropowder*Value 56.35 is compared, base
This change is little, far above the Testa Tritici micropowder l without color fixative*Value 32.56.
Embodiment two
A kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, comprises the following steps:
(1) 2kg Testa Tritici is taken to be placed in jet mill, in air velocity 3m3/ min, operating pressure 1.0mpa, point
Level machine rotating speed is pulverized under conditions of reversion 2400r/min, obtains the Testa Tritici micropowder of granularity≤50 μm；
(2) take the xanthan gum of 15g, the sucrose fatty acid ester of 10g, add while stirring in the water of 10kg, be heated to 55 DEG C
And be stirred continuously and so that it is dissolved, then sequentially add the edta of vitamin e and 0.5g of 1.5g, stir, obtain Semen Tritici aestivi
Wheat bran color fixative agent solution；
(3) the Testa Tritici color fixative agent solution obtaining in step (2) is placed in homogenizer, homogenization pressure be 20mpa,
Homogenizing temperature carries out second homogenate under conditions of being 45 DEG C, obtains homogenizing fluid；
(4) the Testa Tritici micropowder obtaining in step (1) is added in the homogenizing fluid obtaining in step (3) while stirring,
It is placed in homogenizer and be uniformly mixing to obtain mixed liquor again；
(5) mixed liquor obtaining in step (4) is placed in spray dryer, is 9m in intake velocity3/ min, charging speed
Spend and be 140 DEG C, be spray-dried under conditions of 70 DEG C of leaving air temp for 80ml/min, inlet temperature, obtain being difficult brown stain
Testa Tritici corium farinosum 1.96kg.
Result verification: prepared 100g Testa Tritici micropowder is weighed on electronic scale and is placed in 500ml beaker, add 200g
Water, adjusting its ph value with sodium hydroxide is 10 about, heats 30min, takes out and filters, with boiling drier drying to 12% about,
After drying, cr-10 type colour difference meter is directly used to measure l*It is worth for 55.87, the l with former Testa Tritici micropowder*Value 56.35 is compared, base
This change is little, far above the Testa Tritici micropowder l without color fixative*Value 32.56.Compare with embodiment one, brown stain is smaller.
Embodiment three:
A kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, comprises the following steps:
(1) 2kg Testa Tritici is taken to be placed in jet mill, in air velocity 3m3/ min, operating pressure 1.0mpa, point
Level machine rotating speed is pulverized under conditions of reversion 2400r/min, obtains the Testa Tritici micropowder of granularity≤50 μm；
(2) take the xanthan gum of 12.5g, the sucrose fatty acid ester of 7.5g, add while stirring in the water of 10kg, be heated to 55
DEG C and be stirred continuously and so that it is dissolved, then sequentially add the edta of vitamin e and 0.5g of 1.2g, stir, obtain little
Testa Tritici skin color fixative agent solution；
(3) the Testa Tritici color fixative agent solution obtaining in step (2) is placed in homogenizer, homogenization pressure be 20mpa,
Homogenizing temperature carries out second homogenate under conditions of being 45 DEG C, obtains homogenizing fluid；
(4) the Testa Tritici micropowder obtaining in step (1) is added in the homogenizing fluid obtaining in step (3) while stirring,
It is placed in homogenizer and be uniformly mixing to obtain mixed liquor again；
(5) mixed liquor obtaining in step (4) is placed in spray dryer, is 9m in intake velocity3/ min, charging speed
Spend and be 140 DEG C, be spray-dried under conditions of 70 DEG C of leaving air temp for 80ml/min, inlet temperature, obtain being difficult brown stain
Testa Tritici corium farinosum 1.95kg.
Result verification: prepared 100g Testa Tritici micropowder is weighed on electronic scale and is placed in 500ml beaker, add 200g
Water, adjusting its ph value with sodium hydroxide is 10 about, heats 30min, takes out and filters, with boiling drier drying to 12% about,
After drying, directly measuring l* value using cr-10 type colour difference meter is 55.26, compared with the l* value 56.35 of former Testa Tritici micropowder,
Basic change is little, far above the Testa Tritici micropowder l* value 32.56 without color fixative.Compare with embodiment one, brown stain is smaller,
Compare with embodiment two, effect is slightly poor, mainly relevant with vitamin e content.
Example IV:
A kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, comprises the following steps:
(1) 5kg Testa Tritici is taken to be placed in jet mill, in air velocity 3m3/ min, operating pressure 1.0mpa, point
Level machine rotating speed is pulverized under conditions of reversion 2400r/min, obtains the Testa Tritici micropowder of granularity≤50 μm；
(2) take the xanthan gum of 20g, the sucrose fatty acid ester of 15g, add while stirring in the water of 20kg, be heated to 55 DEG C
And be stirred continuously and so that it is dissolved, then sequentially add the edta of vitamin e and 1g of 3.0g, stir, obtain Testa Tritici
Skin color fixative agent solution；
(3) the Testa Tritici color fixative agent solution obtaining in step (2) is placed in homogenizer, homogenization pressure be 20mpa,
Homogenizing temperature carries out second homogenate under conditions of being 45 DEG C, obtains homogenizing fluid；
(4) the Testa Tritici micropowder obtaining in step (1) is added in the homogenizing fluid obtaining in step (3) while stirring,
It is placed in homogenizer and be uniformly mixing to obtain mixed liquor again；
(5) mixed liquor obtaining in step (4) is placed in spray dryer, is 9m in intake velocity3/ min, charging speed
Spend and be 140 DEG C, be spray-dried under conditions of 70 DEG C of leaving air temp for 80ml/min, inlet temperature, obtain being difficult brown stain
Testa Tritici corium farinosum 4.92kg.
Result verification: prepared 100g Testa Tritici micropowder is weighed on electronic scale and is placed in 500ml beaker, add 200g
Water, adjusting its ph value with sodium hydroxide is 10 about, heats 30min, takes out and filters, with boiling drier drying to 12% about,
After drying, cr-10 type colour difference meter is directly used to measure l*It is worth for 55.48, the l with former Testa Tritici micropowder*Value 56.35 is compared, base
This change is little, far above the Testa Tritici micropowder l without color fixative*Value 32.56.
Claims (2)
1. a kind of preparation method of the Testa Tritici corium farinosum being difficult brown stain, comprises the following steps:
(1) Testa Tritici is taken to be placed in jet mill, in air velocity 3m3/ min, operating pressure 1.0mpa, grader rotating speed
Pulverized under conditions of reversion 2400r/min, obtained the Testa Tritici micropowder of granularity≤50 μm；
(2) take xanthan gum, the sucrose fatty acid ester of 5-50 weight portion of 10-15 weight portion, add 10000 weight portions while stirring
Water in, be heated to 50-60 DEG C and be stirred continuously and so that it is dissolved, then sequentially add 1-1.5 weight portion vitamin e and
The edta of 0.5 weight portion, stirs, and obtains Testa Tritici color fixative agent solution；
(3) the Testa Tritici color fixative agent solution obtaining in step (2) is placed in homogenizer, homogenization pressure be 20mpa, homogenizing
Temperature carries out second homogenate under conditions of being 45 DEG C, obtains homogenizing fluid；
(4) the Testa Tritici micropowder obtaining in step (1) is added in the homogenizing fluid obtaining in step (3) while stirring, make little
Percentage by weight in homogenizing fluid for the Testa Tritici skin micropowder is 20-25%, then is placed in homogenizer and is uniformly mixing to obtain mixing
Liquid；
(5) mixed liquor obtaining in step (4) is placed in spray dryer, is 9m in intake velocity3/ min, charging rate are
80ml/min, inlet temperature are 140 DEG C, are spray-dried under conditions of 70 DEG C of leaving air temp, obtain the Semen Tritici aestivi being difficult brown stain
Wheatfeed.
2. a kind of Testa Tritici corium farinosum being difficult brown stain according to claim 1 preparation method it is characterised in that: described
Sucrose fatty acid ester in step (2) uses the single sucrose fatty acid ester for 10-16 for the hlb value, or by different hlb values
Multiple sucrose fatty acid ester compound after the hlb value that the obtains mixture between 10-16.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865397A (en) * | 2017-12-20 | 2018-04-03 | 广东美味源香料股份有限公司 | A kind of tomato sauce and preparation method thereof |
| CN110140858A (en) * | 2019-05-24 | 2019-08-20 | 安徽雁飞粮油有限责任公司 | A kind of flour improver for delaying Flour product to return color brown stain |
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| CN1344306A (en) * | 1999-03-19 | 2002-04-10 | 丹尼斯科有限公司 | Anti-oxidant |
| CN103766769A (en) * | 2014-01-24 | 2014-05-07 | 王家良 | Wheat germ instant flour and preparation method thereof |
| CN105831593A (en) * | 2016-03-29 | 2016-08-10 | 蚌埠学院 | Wheat bran rice cake and preparation method thereof |
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- 2016-09-30 CN CN201610872146.4A patent/CN106360309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344306A (en) * | 1999-03-19 | 2002-04-10 | 丹尼斯科有限公司 | Anti-oxidant |
| CN103766769A (en) * | 2014-01-24 | 2014-05-07 | 王家良 | Wheat germ instant flour and preparation method thereof |
| CN105831593A (en) * | 2016-03-29 | 2016-08-10 | 蚌埠学院 | Wheat bran rice cake and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865397A (en) * | 2017-12-20 | 2018-04-03 | 广东美味源香料股份有限公司 | A kind of tomato sauce and preparation method thereof |
| CN110140858A (en) * | 2019-05-24 | 2019-08-20 | 安徽雁飞粮油有限责任公司 | A kind of flour improver for delaying Flour product to return color brown stain |
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