CN104187300A - Method for one-time continuously separating nutritional components from highland barley - Google Patents
Method for one-time continuously separating nutritional components from highland barley Download PDFInfo
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- 235000007340 Hordeum vulgare Nutrition 0.000 title claims abstract description 152
- 238000000034 method Methods 0.000 title claims abstract description 30
- 235000012041 food component Nutrition 0.000 title abstract description 6
- 240000005979 Hordeum vulgare Species 0.000 title 1
- 241000209219 Hordeum Species 0.000 claims abstract description 151
- 239000000843 powder Substances 0.000 claims abstract description 35
- 229920002472 Starch Polymers 0.000 claims abstract description 24
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- 239000008107 starch Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 21
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- 238000000108 ultra-filtration Methods 0.000 claims abstract description 20
- 239000000047 product Substances 0.000 claims abstract description 19
- 238000000605 extraction Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
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- 239000000203 mixture Substances 0.000 claims description 28
- 108010073771 Soybean Proteins Proteins 0.000 claims description 23
- 229940001941 soy protein Drugs 0.000 claims description 23
- 229920002307 Dextran Polymers 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 13
- 239000012141 concentrate Substances 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 235000013312 flour Nutrition 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 7
- 238000004108 freeze drying Methods 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 6
- 238000002390 rotary evaporation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 abstract description 4
- 108090000623 proteins and genes Proteins 0.000 abstract description 4
- 102000004169 proteins and genes Human genes 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 229920001503 Glucan Polymers 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- FYGDTMLNYKFZSV-URKRLVJHSA-N (2s,3r,4s,5s,6r)-2-[(2r,4r,5r,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5r,6s)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1[C@@H](CO)O[C@@H](OC2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-URKRLVJHSA-N 0.000 description 9
- 229920002498 Beta-glucan Polymers 0.000 description 9
- 238000002372 labelling Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 235000013305 food Nutrition 0.000 description 5
- 229960000583 acetic acid Drugs 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 235000018102 proteins Nutrition 0.000 description 3
- 230000001228 trophic effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229920000945 Amylopectin Polymers 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000015099 wheat brans Nutrition 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- QIVBCDIJIAJPQS-VIFPVBQESA-N L-tryptophane Chemical compound C1=CC=C2C(C[C@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-VIFPVBQESA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QIVBCDIJIAJPQS-UHFFFAOYSA-N Tryptophan Natural products C1=CC=C2C(CC(N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-UHFFFAOYSA-N 0.000 description 1
- 239000006035 Tryptophane Substances 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 108010050181 aleurone Proteins 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 235000004213 low-fat Nutrition 0.000 description 1
- 235000018977 lysine Nutrition 0.000 description 1
- 150000002669 lysines Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000004952 protein activity Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229960004799 tryptophan Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/198—Dry unshaped finely divided cereal products, not provided for in groups A23L7/117 - A23L7/196 and A23L29/00, e.g. meal, flour, powder, dried cereal creams or extracts
-
- 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
Abstract
The invention relates to the field of separation of nutritional components from crops and especially relates to a method for one-time continuously separating the nutritional components from highland barley. The method includes following steps: crushing the highland barley; adding water to a crushed product of the highland barley; adjusting a pH value and performing extraction; carrying out a sieving process and collecting an oversized substance and an undersized substance; grinding the oversized substance to obtain highland barley fiber powder; centrifugally processing the undersized substance to obtain a first precipitate and a first supernate; drying the first precipitate to obtain highland barley starch; adjusting the pH value to the first supernate and centrifugally processing the first supernate to obtain a second precipitate and a second supernate; freezing and drying the second precipitate to obtain highland barley protein; performing ultrafiltration to the second supernate to obtain a penetrated liquid and a concentrated liquid; processing the concentrated liquid through same processes of the first supernate; concentrating and centrifugally processing the penetrated liquid to obtain a third precipitation; and drying the third precipitation to obtain highland barley [beta]-glucan. By means of the method for one-time continuously separating the nutritional components from the highland barley, nutritional components in the highland barley is utilized comprehensively. The method is free of generation of residues and can be carried out in a continuous manner so that an added value of a product is increased.
Description
Technical field
The present invention relates to crop nutrient composition separation field, the method in particular to disposable continuous separate from barley nutritional composition.
Background technology
Highland barley is the coarse cereals of tool Plateau Characteristic, is again zonal staple food crop.There is the feature of " three high two low ", be that its nutrition grouping becomes high protein, high fiber, homovitamin, low fat, low sugar, in addition, highland barley is also rich in the physiological activators such as beta glucan, giving its unique health care, is the guarantee of Tibetan area peasants and herdsmen's health.Highland barley β～beta-dextran content (3.66%-8.62%) occupies the hat of global barley, 50 times of wheat average content, beta glucan be by D-Glucose by β-(1 → 3) and linear polysaccharide that β-(1 → 4) glycosidic bond connects into, be mainly present in highland barley aleurone and Formation of Endosperm Cell Walls.The sixties in 20th century, world medicine expert studies and finds that beta glucan has gut purge, regulates blood sugar, reduces cholesterol, improves the functions such as immunity, therefore, is developed product scopes such as being applied to health products, food, commodity.
Existing barley nutritional component extracting method is mainly used in extracting beta glucan, and ignored main nutrient composition protein in highland barley and the collection utilization of starch, causes nutritional labeling to lose to damage serious, and energy consumption is large, and the beta glucan cost making is high.Highland barley soy Protein matter content approximately 6.35～21%, mean value is 11.31%, higher than wheat, paddy rice, corn; Particularly 8 seed amino acid content, especially lysines of needed by human and tryptophane are all apparently higher than above 3 kinds of cereal; Highland barley starch is taking amylopectin as main, and general content is 74～78%, and some kind is higher approaches 100%; Amylopectin, containing a large amount of gel mucus, is alkalescent after heating, hyperhydrochloria is had to inhibitory action.Therefore, the accessory substance using starch, protein in highland barley Beta-dextran leaching process and not made full use of, not only causes a large amount of nutritional labeling losses, makes that actual production benefit is low, high expensive, also can bring serious environmental pollution.The nutrition and health care functional component of full use highland barley is the key that improves highland barley added value.
Summary of the invention
The object of the present invention is to provide the method for disposable continuous separate from barley nutritional composition, to solve the above problems.
The method of disposable continuous separate from barley nutritional composition is provided in an embodiment of the present invention, comprised the following steps:
(a), highland barley flour is broken into powder, obtain highland barley crushed products;
(b), in described highland barley crushed products, add water, after mixing, regulate pH to 10-11, extract, then extract is sifted out, collect respectively oversize and screenings;
(c), grind after described oversize is dried, obtain highland barley fiber powder; By centrifugal described screenings, obtain the first sediment and the first supernatant, described the first sediment is dried and obtained highland barley starch;
(d), by described the first supernatant with acid for adjusting pH to 4-4.5, obtain the second sediment and the second supernatant after centrifugal, will after described the second sediment freeze drying, obtain highland barley soy Protein;
(e), described the second supernatant is carried out to ultrafiltration, obtain seeing through liquid and concentrate, the same step of processing method (d) first supernatant of described concentrate; The described liquid that sees through is concentrated, centrifugal after precipitation, obtain the 3rd sediment, described the 3rd sediment is dried and obtains highland barley Beta-dextran.
Preferably, in described step (b), the weight ratio of described highland barley crushed products and water is 1:25-27.
Preferably, in described step (b), the temperature of described extraction is 45-55 DEG C, and the time of extraction is 45-55min.
Preferably, in described step (b), the order number of described sieve is 260-280 order.
Preferably, in described step (c), described oversize, 95-105 DEG C of oven dry, then grinds 18-22min with KQM-X4 planetary ball mill, obtains described highland barley fiber powder.
Preferably, in described step (c), described centrifugal rotating speed is 3900-4100r/min, and centrifugation time is 5-8min.
Preferably, in described step (c), described the first sediment is washed 2-3 time, 3900-4100r/min, collects white depositions after centrifugal 5-10min, the dry highland barley starch that is under 55-65 DEG C of condition.
Preferably, in described step (d), described acid is hydrochloric acid or acetic acid, and described centrifugal rotating speed is 3900-4100r/min, centrifugal 8-12min.
Preferably, in described step (e), the pressure of described ultrafiltration is 0.1-0.2MPa, and the filter membrane aperture that ultrafiltration is used is 0.1-0.2 μ m.
Preferably, in described step (e), described to see through liquid concentrated through rotary evaporation, then precipitates with the absolute ethyl alcohol of 3.8-4.2 times of volume, and centrifugal rear collecting precipitation thing is also dried and obtains described highland barley Beta-dextran.
The disposable continuous separate that the embodiment of the present invention provides is from the method for barley nutritional composition, the modern food new and high technologies such as Integrated Films separation, ultramicro grinding, disposable continuous separate is from highland barley soy Protein, highland barley starch and beta glucan, the trophic function composition of full use highland barley, in production process, produce without waste residue, simplified existing production technology, serialization is produced and has been improved value-added content of product.
Brief description of the drawings
Fig. 1 shows disposable continuous separate in the embodiment of the present invention flow chart from barley nutritional composition.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
The method of disposable continuous separate from barley nutritional composition is provided in an embodiment of the present invention, as shown in Figure 1, comprised the following steps:
(a), highland barley flour is broken into powder, obtain highland barley crushed products;
(b), in described highland barley crushed products, add water, after mixing, regulate pH to 10-11, extract, then extract is sifted out, collect respectively oversize and screenings;
(c), grind after described oversize is dried, obtain highland barley fiber powder; By centrifugal described screenings, obtain the first sediment and the first supernatant, described the first sediment is dried and obtained highland barley starch;
(d), by described the first supernatant with acid for adjusting pH to 4-4.5, obtain the second sediment and the second supernatant after centrifugal, will after described the second sediment freeze drying, obtain highland barley soy Protein;
(e), described the second supernatant is carried out to ultrafiltration, obtain seeing through liquid and concentrate, the same step of processing method (d) first supernatant of described concentrate; The described liquid that sees through is concentrated, centrifugal after precipitation, obtain the 3rd sediment, described the 3rd sediment is dried and obtains highland barley Beta-dextran.
The embodiment of the present invention adopts the method for disposable continuous separate from barley nutritional composition, the modern food new and high technologies such as Integrated Films separation, ultramicro grinding, disposable continuous separate is from highland barley soy Protein, highland barley starch and beta glucan, the trophic function composition of full use highland barley, in production process, produce without waste residue, simplified existing production technology, serialization is produced and has been improved value-added content of product.
In step (b), generally adopt the sodium hydroxide solution of 0.5-1.0mol/L to regulate pH to 10-11.
Highland barley flour is broken into powder and generally adopts pulverizer to carry out, and hullessbarley seed is ground into powder by pulverizer, in the highland barley crushed products obtaining, contains highland barley powder and wheat bran; If adopt other modes to pulverize hullessbarley seed, as the mode of mill, highland barley powder and wheat bran separately, while extraction like this, can extract respectively, also can put together and extract.
For the highland barley fiber of highland barley flour the inside is separated with other nutritional labelings are better, preferably, in described step (b), the weight ratio of described highland barley crushed products and water is 1:25-27.
In order fully highland barley fiber to be separated with other nutritional labelings are sufficient, further, in described step (b), the temperature of described extraction is 45-55 DEG C, and the time of extraction is 45-55min.
For highland barley fiber is separated with other nutritional labelings, preferably, in described step (b), the order number of described sieve is 260-280 order.
Preferably, in described step (c), described oversize, 95-105 DEG C of oven dry, then grinds 18-22min with KQM-X4 planetary ball mill, obtains described highland barley fiber powder.In this step, dry to water content for 95-105 DEG C and be less than 10%, the oversize obtaining is like this easy to grind; The highland barley fiber powder granularity obtaining after KQM-X4 planetary ball mill grinds 18-22min is moderate, instant, and mouthfeel is good, and can give full play to its effect in vivo.
For highland barley starch is separated with other nutritional labelings are better, and do not damage the state of other nutritional labeling, preferably, in described step (c), described centrifugal rotating speed is 3900-4100r/min, and centrifugation time is 5-8min.
Preferably, in described step (c), described the first sediment is washed 2-3 time, 3900-4100r/min, collects white depositions after centrifugal 5-10min, the dry highland barley starch that is under 55-65 DEG C of condition.Washing is in order to remove the impurity in highland barley starch, to wash 2-3 time, turns white to sediment, obtains being highland barley starch after white drying precipitate, and the highland barley purity of starch obtaining is high.
For highland barley soy Protein is precipitated, by the first supernatant with acid for adjusting pH to 4-4.5, preferably, in described step (d), described acid is hydrochloric acid or acetic acid, described centrifugal rotating speed is 3900-4100r/min, centrifugal 8-12min.Adopt acetate and hydrochloride regulator solution pH to 4-4.5, albumen precipitation is effective, precipitates comparatively completely, and hydrochloric acid is volatile, noresidue in product, and the acetic acid edible of low concentration, the product obtaining is safer; The highland barley soy Protein of precipitation is carried out to centrifugation, in order to make the activity keeping of highland barley soy Protein better, the highland barley soy Protein sediment obtaining is carried out to freeze drying, cryodesiccated condition is: temperature is-45～-55 DEG C, and vacuum is 24-27Pa.The highland barley soy Protein activity obtaining is good, and impurity content is few.
For highland barley soy Protein residual in the second supernatant is reclaimed further, and highland barley soy Protein is carried out to better separation with beta glucan, preferably, in described step (e), the pressure of described ultrafiltration is 0.1-0.2MPa, and the filter membrane aperture that ultrafiltration is used is 0.1-0.2 μ m.Ultrafiltration adopts hollow fiber film assembly or rolling fiber film component to carry out, and highland barley soy Protein molecular weight is larger, remains on filter membrane, and residual highland barley soy Protein is recycled; Highland barley Beta-dextran, in solubilised state, can see through filter membrane, and the liquid that sees through obtaining mainly contains highland barley Beta-dextran, like this both is well separated, and other compositions that the highland barley Beta-dextran obtaining contains are few.
Preferably, in described step (e), described to see through liquid concentrated through rotary evaporation, then precipitates with the absolute ethyl alcohol of 3.8-4.2 times of volume, and centrifugal rear collecting precipitation thing is also dried and obtains described highland barley Beta-dextran.Like this highland barley Beta-dextran seeing through in liquid is precipitated and collected by absolute ethyl alcohol, the highland barley Beta-dextran content obtaining is high, and purity is high.
Embodiment 1
Disposable continuous separate, from the method for barley nutritional composition, comprises the following steps:
(a), highland barley flour is broken into powder, obtain highland barley powder;
(b), in highland barley powder, add water, the weight ratio of highland barley powder and water is 1:25; After mixing, regulate pH to 10, extract, the temperature of extraction is 45 DEG C, and the time of extraction is 55min; Then extract is sifted out, the order number of sieve is 260 orders, collects respectively oversize and screenings;
(c), by oversize 95 DEG C of oven dry, then grind 18min with KQM-X4 planetary ball mill, obtain highland barley fiber powder; Screenings is centrifugal, and centrifugal rotating speed is 3900r/min, and centrifugation time is 8min, obtain the first sediment and the first supernatant, the first sediment is washed 2-3 time to 3900r/min, after centrifugal 10min, collect white depositions, the dry highland barley starch that is under 55-65 DEG C of condition;
(d), by salt acid for adjusting pH to 4 for the first supernatant, centrifugal rotating speed is 3900r/min, centrifugal 12min obtains the second sediment and the second supernatant after centrifugal, will after the second sediment freeze drying, obtain highland barley soy Protein;
(e), the second supernatant is carried out to ultrafiltration, the pressure of ultrafiltration is 0.1MPa, and the filter membrane aperture that ultrafiltration is used is 0.1 μ m, obtains seeing through liquid and concentrate, the same step of processing method (d) first supernatant of concentrate; See through liquid concentrated through rotary evaporation, then precipitate with the absolute ethyl alcohol of 3.8 times of volumes, centrifugal rear collecting precipitation thing is also dried and obtains described highland barley Beta-dextran;
Wherein, the yield 15% of highland barley soy Protein, purity 86%; Highland barley starch yield 35%, purity 90%; Highland barley Beta-dextran yield 8%, purity 80%; Highland barley fiber powder yield 30%.
Embodiment 2
Disposable continuous separate, from the method for barley nutritional composition, comprises the following steps:
(a), highland barley flour is broken into powder, obtain highland barley powder;
(b), in highland barley powder, add water, the weight ratio of highland barley powder and water is 1:26; After mixing, regulate pH to 10.5, extract, the temperature of extraction is 50 DEG C, and the time of extraction is 50min; Then extract is sifted out, the order number of sieve is 270 orders, collects respectively oversize and screenings;
(c), by oversize 100 DEG C of oven dry, then grind 20min with KQM-X4 planetary ball mill, obtain highland barley fiber powder; Screenings is centrifugal, and centrifugal rotating speed is 4000r/min, and centrifugation time is 6min, obtain the first sediment and the first supernatant, the first sediment is washed 2-3 time to 4000r/min, after centrifugal 8min, collect white depositions, the dry highland barley starch that is under 60 DEG C of conditions;
(d), by salt acid for adjusting pH to 4.3 for the first supernatant, centrifugal rotating speed is 4000r/min, centrifugal 10min obtains the second sediment and the second supernatant after centrifugal, will after the second sediment freeze drying, obtain highland barley soy Protein;
(e), the second supernatant is carried out to ultrafiltration, the pressure of ultrafiltration is 0.15MPa, and the filter membrane aperture that ultrafiltration is used is 0.15 μ m, obtains seeing through liquid and concentrate, the same step of processing method (d) first supernatant of concentrate; See through liquid concentrated through rotary evaporation, then precipitate with the absolute ethyl alcohol of 4 times of volumes, centrifugal rear collecting precipitation thing is also dried and obtains highland barley Beta-dextran;
Wherein, the yield 14% of highland barley soy Protein, purity 90%; Highland barley starch yield 38%, purity 87%; Highland barley Beta-dextran yield 8%, purity 82%; Highland barley fiber powder yield 28%.
Embodiment 3
Disposable continuous separate, from the method for barley nutritional composition, comprises the following steps:
(a), highland barley flour is broken into powder, obtain highland barley powder;
(b), in highland barley powder, add water, the weight ratio of highland barley powder and water is 1:27; After mixing, regulate pH to 11, extract, the temperature of extraction is 55 DEG C, and the time of extraction is 45min; Then extract is sifted out, the order number of sieve is 280 orders, collects respectively oversize and screenings;
(c), by oversize 105 DEG C of oven dry, then grind 22min with KQM-X4 planetary ball mill, obtain highland barley fiber powder; Screenings is centrifugal, and centrifugal rotating speed is 4100r/min, and centrifugation time is 5min, obtain the first sediment and the first supernatant, the first sediment is washed 2-3 time to 4100r/min, after centrifugal 5min, collect white depositions, the dry highland barley starch that is under 65 DEG C of conditions;
(d), by vinegar acid for adjusting pH to 4.5 for the first supernatant, centrifugal rotating speed is 4100r/min, centrifugal 8min obtains the second sediment and the second supernatant after centrifugal, will after the second sediment freeze drying, obtain highland barley soy Protein;
(e), the second supernatant is carried out to ultrafiltration, the pressure of ultrafiltration is 0.2MPa, and the filter membrane aperture that ultrafiltration is used is 0.2 μ m, obtains seeing through liquid and concentrate, the same step of processing method (d) first supernatant of concentrate; See through liquid concentrated through rotary evaporation, then precipitate with the absolute ethyl alcohol of 4.2 times of volumes, centrifugal rear collecting precipitation thing is also dried and obtains described highland barley Beta-dextran;
Wherein, the yield 15% of highland barley soy Protein, purity 92%; Highland barley starch yield 40%, purity 85%; Highland barley Beta-dextran yield 7%, purity 85%; Highland barley fiber powder yield 30%.
Disposable continuous separate provided by the invention is from the method for barley nutritional composition, the modern food new and high technologies such as Integrated Films separation, ultramicro grinding, disposable continuous production highland barley soy Protein matter, starch, beta glucan and fiber powder.Stablize and obtain through many experiments, the yield 12-15% of highland barley soy Protein matter, purity 86-92%; Highland barley starch yield 35-40%, purity 85-90%; Highland barley Beta-dextran yield 5-8%, purity 80-85%; Highland barley fiber powder yield 25-30%, the each nutritional labeling yield obtaining is high, purity is high, and the yield of entirety is all more than 80%, full use the trophic function composition of highland barley, in production process, produce without waste residue, simplified existing production technology, serialization is produced and has been improved value-added content of product.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. disposable continuous separate, from the method for barley nutritional composition, is characterized in that, comprises the following steps:
(a), highland barley flour is broken into powder, obtain highland barley crushed products;
(b), in described highland barley crushed products, add water, after mixing, regulate pH to 10-11, extract, then extract is sifted out, collect respectively oversize and screenings;
(c), grind after described oversize is dried, obtain highland barley fiber powder; By centrifugal described screenings, obtain the first sediment and the first supernatant, described the first sediment is dried and obtained highland barley starch;
(d), by described the first supernatant with acid for adjusting pH to 4-4.5, obtain the second sediment and the second supernatant after centrifugal, will after described the second sediment freeze drying, obtain highland barley soy Protein;
(e), described the second supernatant is carried out to ultrafiltration, obtain seeing through liquid and concentrate, the same step of processing method (d) first supernatant of described concentrate; The described liquid that sees through is concentrated, centrifugal after precipitation, obtain the 3rd sediment, described the 3rd sediment is dried and obtains highland barley Beta-dextran.
2. disposable continuous separate according to claim 1, from the method for barley nutritional composition, is characterized in that, in described step (b), the weight ratio of described highland barley crushed products and water is 1:25-27.
3. disposable continuous separate according to claim 1, from the method for barley nutritional composition, is characterized in that, in described step (b), the temperature of described extraction is 45-55 DEG C, and the time of extraction is 45-55min.
4. disposable continuous separate according to claim 3, from the method for barley nutritional composition, is characterized in that, in described step (b), the order number of described sieve is 260-280 order.
5. disposable continuous separate according to claim 1 is from the method for barley nutritional composition, it is characterized in that, in described step (c), described oversize is 95-105 DEG C of oven dry, then grind 18-22min with KQM-X4 planetary ball mill, obtain described highland barley fiber powder.
6. disposable continuous separate according to claim 1, from the method for barley nutritional composition, is characterized in that, in described step (c), described centrifugal rotating speed is 3900-4100r/min, and centrifugation time is 5-8min.
7. disposable continuous separate according to claim 1 is from the method for barley nutritional composition, it is characterized in that, in described step (c), described the first sediment is washed 2-3 time, 3900-4100r/min, after centrifugal 5-10min, collect white depositions, the dry highland barley starch that is under 55-65 DEG C of condition.
8. disposable continuous separate according to claim 1, from the method for barley nutritional composition, is characterized in that, in described step (d), described acid is hydrochloric acid or acetic acid, and described centrifugal rotating speed is 3900-4100r/min, centrifugal 8-12min.
9. disposable continuous separate according to claim 1, from the method for barley nutritional composition, is characterized in that, in described step (e), the pressure of described ultrafiltration is 0.1-0.2MPa, and the filter membrane aperture that ultrafiltration is used is 0.1-0.2 μ m.
10. disposable continuous separate according to claim 1 is from the method for barley nutritional composition, it is characterized in that, in described step (e), the described liquid that sees through concentrates through rotary evaporation, then precipitate with the absolute ethyl alcohol of 3.8-4.2 times of volume, centrifugal rear collecting precipitation thing is also dried and obtains described highland barley Beta-dextran.
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