CN102940077A - Barley and tartay buckwheat tea and preparation process thereof - Google Patents
Barley and tartay buckwheat tea and preparation process thereof Download PDFInfo
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Abstract
The invention relates to barley and tartay buckwheat tea and a preparation process of the barley and tartay buckwheat tea. The barley and tartay buckwheat tea disclosed by the invention comprises the following components in parts by weight: 500-800 parts of tartay buckwheat bran power, 200-500 parts of barley bran power and 50-100 parts of tartay buckwheat extract. The preparation process of the barley and tartay buckwheat tea comprises four steps of: mixing the power, forming, drying and flavour-distilling. The preparation process specially comprises the following steps of: firstly uniformly mixing the tartay buckwheat bran power, the barley bran power and the tartay buckwheat extract until the colour and luster are uniform; standing for 20 minutes; taking uniformly-mixed tea power, adding 25-35% of water, and uniformly mixing by a pressurization forming machine; screening by a 30-mesh screen and palletizing; putting the formed tartay buckwheat tea particles in a disc, then placing the disc in a hot air dying oven, and drying at 50-55 DEG C until the water content is within 8%; then, placing the disc in a far infrared oven, baking for 2-3 minutes at the temperature of 200-220 DEG C, and naturally cooling; and finally, placing the cooled tartay buckwheat tea into a roller drying oven, and baking at the temperature of 110-145 DEG C until the water content is less than 5%.
Description
Technical field
The present invention relates to a kind of bitter buckwheat tea and preparation technology thereof.
Background technology
Bitter buckwheat is polygonaceae annual herb plant, is the health food looked at of people parent extremely.Compendium of Material Medica is put down in writing the bitter buckwheat " effect of bitter, flat cold, useful strength, continuous spirit, sharp knowledge, wide chest, sending down abnormally ascending, stomach invigorating." modern study shows, bitter-buckwheat nutritive is worth high, and wherein protein content is about about 10% of dry weight, mainly contains glutelin, water-soluble albumin and salt dissolubility globulin and forms, approximate peas protein; Bitter buckwheat amino acid content is high and proportioning is suitable, and 8 seed amino acids of needed by human all contain, and especially are rich in arginine, lysine, tryptophan, histidine etc., and other food is had good complementarity.Fat content contains nine kinds of aliphatic acid generally 2% to 3%, and the oleic acid that human body is easy to absorb and linoleic acid account for about 80% of bitter buckwheat aliphatic acid.Inorganic salt content in the bitter buckwheat is abundant, and selenium, potassium, magnesium, copper, chromium, zinc, calcium, iron equal size all are much higher than cereal crop, the selenium element have an antitumaous effect.Bitter buckwheat is rich in vitamin B complex, vitamin E etc., unique distinction contains a large amount of Flavonoid substances rutins (being citrin) exactly, account for more than 2% of dry weight, human body there is different physiological roles, can strengthen the permeability of capillary, improve cardiovascular system, suppress malignant growth and cancer etc.Bitter buckwheat also contains more dietary fiber, colloidal substance glucan especially, and abundant dietary fiber has the function of toxin-expelling and face nourishing, and diabetes and high fat of blood are also had positive regulating action.The rate of exchange of bitter-buckwheat nutritive physiology are 73, are the outstanding grain medicine dual-purpose grain kinds that international food and agricultural organization generally acknowledges, are that the typical case of China's integration of drinking and medicinal herbs culture embodies.
Put down in writing according to Compendium of Material Medica: " barley flavor is sweet, property put down, have dietotherapy to expand, disappear long-pending feed, flat stomach are quenched the thirst, relieve summer heat in heat extraction, the beneficial controlled atmosphere, wide chest atmosphere, bad, the strong blood vessels of qi-restoratives, beneficial color, real the five internal organs, change the merit of paddy food.Control the urine leaching pain; Control the awn of wheat and enter order; Punish-old people polydipsia is more than, drinking-water is indefinite, the tongue volume is done burnt; Control diseases due to fluid retention; Summer clear hot summer weather; Control acute laryngopharyngitis, tonsillitis, bottleneck throat abscess." barley contains 17 kinds of trace elements of needed by human body, 19 kinds with upper amino acid, is rich in multivitamin and unrighted acid, protein and dietary fiber, is the main food materials of China.
The defective of prior art has: one, in the processing of traditional bitter buckwheat tea, dry longer drying time with Titian link process high-temperature, flavone compound very easily decomposes in the bitter buckwheat, thereby destroys the nutritional labeling in the bitter buckwheat, reduces the health-care efficacy of bitter buckwheat.Two, bitter buckwheat, barley both to share tea-manufacturing technology research less.
Summary of the invention
The invention provides prescription and the preparation technology thereof of the bitter buckwheat tea of a kind of barley, as a kind of tea-drinking product, the characteristics that it has mouthfeel delicate fragrance, endures repeated infusions, and health-care effect is outstanding, and definite reducing blood lipid, blood sugar and blood pressure effect are arranged, and wherein effect for reducing blood fat is particularly outstanding.In addition, the present invention also provides the preparation technology of the bitter buckwheat tea of barley, and this technique can keep the nutritional labeling of bitter buckwheat to greatest extent, and resource utilization is high, and process safety is stable, solvent recoverable, good economy performance.
Technical scheme is as follows:
The bitter buckwheat tea of barley of the present invention is made of tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract, tartary buckwheat cortex powder 500-800 part wherein, barley cortex powder 200-500 part, tartary buckwheat extract 50-100 part.
The bitter buckwheat tea of barley of the present invention, 800 parts of preferred tartary buckwheat cortex powders, 200 parts in barley cortex powder, 100 parts of tartary buckwheat extracts.
No. 9909 kinds of west farming that the preferred Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology of bitter buckwheat cultivates in the bitter buckwheat tea of barley.
The preparation technology of tartary buckwheat cortex powder is in the bitter buckwheat tea of barley:
(1) screening: the bitter buckwheat seed that the selection grain is large, full, unit weight is high is for the production of processing.
(2) the first pulverizing: pulverize bitter buckwheat seed by mechanical grinding method, gained KUQIAOPI layer meal crossed 80 mesh sieves.
(3) ultramicro grinding: utilize fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Before the bitter buckwheat screening it is carried out pre-treatment in the bitter buckwheat tea of barley, method is:
Bitter buckwheat seed is immersed in the mixed aqueous solution that contains 0.008% copper sulphate, 0.048% zinc sulfate and 0.08% potassium dihydrogen phosphate, the thickness of seed in the aqueous solution is 1cm, soaked 5 days, every day, ultra violet lamp was 1 hour, took out afterwards clear water flushing, under 24KHz, the 300W power condition ultrasonic 5 minutes in 5 days, put the far-infrared oven low temperature drying, and get final product.
The preparation technology of Barley cortex powder is in the bitter buckwheat tea of barley:
(1) screening: the barley seed that the selection grain is large, full, unit weight is high is for the production of processing.
(2) the first pulverizing: pulverize barley seed by mechanical grinding method, gained barley cortex meal is crossed 80 mesh sieves.
(3) ultramicro grinding: utilize fluid energy mill that barley cortex meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
The prescription of the bitter buckwheat tea of barley is preferred
(1) tartary buckwheat extract comprises bitter buckwheat stem, leaf, root extract and Fagopyrum tataricum(L.)Gaertn. Bran extract two parts, and bitter buckwheat stem, leaf, root extract mix in the 1:1 ratio with Fagopyrum tataricum(L.)Gaertn. Bran extract;
(2) extraction process of bitter buckwheat stem, leaf, root extract is:
The mixture of the bitter buckwheat root of arbitrary proportion, stem and leaf, 12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat stem, leaf, root crude extract.
(3) extraction process of Fagopyrum tataricum(L.)Gaertn. Bran extract is:
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
(4) purifying process of tartary buckwheat extract is:
Adopt the DM-2 macroporous absorbent resin that tartary buckwheat extract is made with extra care: bitter buckwheat stem, leaf, root crude extract are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, and the dissolving of 70% ethanol makes concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
The preparation technology of the bitter buckwheat tea of barley of the present invention comprises breading, moulding, drying, four steps of Titian, wherein:
(1) breading: tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract are mixed, until the color and luster homogeneous left standstill 20 minutes.
(2) moulding: get the tea powder of mixing thoroughly, add water 25%-35%, adopt the pressure forming machine mixing, cross 30 mesh sieves, granulate.
(3) drying: the bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 50-55 ℃ is dried in the water content 8%, then puts into far-infrared oven, bakes and banks up with earth 2-3min for 200-220 ℃, naturally cooling.
(4) Titian: cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 110-145 ℃ not to be higher than 5%.
The bitter buckwheat tea preparation technique of barley is preferred
(1) adds 1% guar gum during breading.
(2) first that guar gum is soluble in water, fully swelling forms colloidal solution, adds tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract again, then drops into the pressure forming machine mixed pelletization.
(3) the control mixer speed of mainshaft is 30rpm, mixing time 30 minutes.
The egg that also can when breading, add 1% amount in the bitter buckwheat tea preparation technique of barley.
Be compared with existing technology, the technology of the present invention effect comprises:
1, the present invention chooses bitter buckwheat and barley is primary raw material, and two Plants all have definite health care curative effect, and prescription forms rationally.
2, the preferred Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology of the present invention cultivates successful No. 9909 bitter buckwheat kinds of west farming, and this kind in the Shanxi plantation extensively studies show that flavones ingredient wherein is abundant especially than other kind content.
3, the present invention has carried out the deep development utilization to bitter buckwheat and barley, comprises bitter buckwheat root, stem, leaf, wheat bran and seed, all fully uses, and farthest utilizes living resources.
4, the bitter buckwheat tea of gained of the present invention fragrance is pure and fresh, dark brown lucid and lively, and brewing property is good, and is suitable vast drunk by people.
5, adopt multiple extractive technique among the preparation technology of the present invention, the active ingredient in the bitter buckwheat is all kept.
6, preparation technology of the present invention adopts the low temperature drying technology, greatly shortens high temperature drying and Titian link process time, avoids the interior flavones ingredient of bitter buckwheat to be damaged.
7, the present invention carries out system research to each the parameter ratio in the bitter buckwheat tea ratio of adjuvant of barley and the process, draws optimised process, and the introducing of ultramicro grinding technique significantly raises the bitter buckwheat tea of barley active ingredient stripping quantity.
8, the bitter buckwheat tea of gained barley of the present invention has definite reducing blood lipid, hypoglycemic and blood pressure reduction effect after deliberation, and wherein blood fat reducing function is especially outstanding.
The specific embodiment
Below in conjunction with specific embodiment technical solution of the present invention is described in detail.
Embodiment 1:
Select grain is large, full, unit weight is high bitter buckwheat seed and barley seed, by mechanical grinding method it is pulverized, gained KUQIAOPI layer meal and barley cortex meal are crossed 80 mesh sieves, utilize fluid energy mill that meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, namely gets KUQIAOPI layer powder and barley cortex powder.
Get bitter buckwheat root, stem and leaf, add 12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat root, stem, Leave extract.
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
Adopt the DM-2 macroporous absorbent resin that bitter buckwheat root, stem, leaf and Fagopyrum tataricum(L.)Gaertn. Bran extract are made with extra care: bitter buckwheat root, stem, Leave extract are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, the dissolving of 70% ethanol, make concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
According to 500 parts of tartary buckwheat cortex powders, 500 parts in barley cortex powder, 100 parts of tartary buckwheat extracts, the ratio that guar gum is 11 parts measures tartary buckwheat cortex powder, barley cortex powder, tartary buckwheat extract and guar gum, tartary buckwheat cortex powder, barley cortex powder, tartary buckwheat extract and guar gum are mixed, until the color and luster homogeneous left standstill 20 minutes.
Get the tea powder of mixing thoroughly, add water 35%, adopt the pressure forming machine mixing, cross 30 mesh sieves, granulate.
Bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 50 ℃ are dried in the water content 8%, then put into far-infrared oven, bake and bank up with earth 2min for 205 ℃, naturally cooling.
Cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 110 ℃ not to be higher than 5%.
The bitter buckwheat tea of gained after testing, the rutin composition rate of transform is 95.6%, dissolution rate 98.2%, production technology is reasonable, technique is smooth.
Embodiment 2:
Select the bitter buckwheat seed that grain is large, full, unit weight is high (No. 9909 kinds of west farming that Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology cultivates), by mechanical grinding method it is pulverized, gained KUQIAOPI layer powder crossed 80 mesh sieves, namely get duck wheat cortex meal, utilize fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Select the barley seed that grain is large, full, unit weight is high, by mechanical grinding method it is pulverized, gained barley cortex powder is crossed 80 mesh sieves, namely get barley cortex meal, utilize fluid energy mill that barley cortex meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Get bitter buckwheat rhizome and leaf, add 12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat root, stem, Leave extract.
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
Adopt the DM-2 macroporous absorbent resin that bitter buckwheat root, stem, leaf and Fagopyrum tataricum(L.)Gaertn. Bran extract are made with extra care: bitter buckwheat root, stem, Leave extract are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, the dissolving of 70% ethanol, make concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
According to 800 parts of tartary buckwheat cortex powders, the ratio that 200 parts in barley cortex powder and tartary buckwheat extract are 50 parts measures tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract, tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract are mixed, until the color and luster homogeneous left standstill 20 minutes.
Get the tea powder of mixing thoroughly, add water 30%, adopt the pressure forming machine mixing, cross 30 mesh sieves, granulate.
Bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 55 ℃ are dried in the water content 8%, then put into far-infrared oven, bake and bank up with earth 2min for 215 ℃, naturally cooling.
Cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 120 ℃ not to be higher than 5%.
The bitter buckwheat tea of gained after testing, the rutin composition rate of transform is 97.5%, dissolution rate 98.3%, production technology is reasonable, technique is smooth.
Embodiment 3:
Bitter buckwheat seed (No. 9909 kinds of west farming that Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology cultivates) is immersed in contains 0.008% copper sulphate, in the mixed aqueous solution of 0.048% zinc sulfate and 0.08% potassium dihydrogen phosphate, the thickness of seed in the aqueous solution is 1cm, soaked 5 days, every day, ultra violet lamp was 1 hour, took out afterwards in 5 days, the clear water flushing, 24KHz, under the 300W power condition ultrasonic 5 minutes, put the far-infrared oven low temperature drying, select grain large, full, the bitter buckwheat seed that unit weight is high, by mechanical grinding method it is pulverized, gained KUQIAOPI layer powder crossed 80 mesh sieves, namely gets duck wheat cortex meal, utilizes fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Select the barley seed that grain is large, full, unit weight is high, by mechanical grinding method it is pulverized, gained barley cortex powder is crossed 80 mesh sieves, namely get barley cortex meal, utilize fluid energy mill that barley cortex meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Get bitter buckwheat rhizome and leaf, add 12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat root, stem, Leave extract.
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
Adopt the DM-2 macroporous absorbent resin that bitter buckwheat root, stem, leaf and Fagopyrum tataricum(L.)Gaertn. Bran extract are made with extra care: bitter buckwheat root, stem, Leave extract are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, the dissolving of 70% ethanol, make concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
According to 600 parts of tartary buckwheat cortex powders, the ratio that 300 parts in barley cortex powder and tartary buckwheat extract are 100 parts measures tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract, tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract mixing is uniform, until color and luster is even, left standstill 20 minutes.
Get the tea powder of mixing thoroughly, add water 35%, adopt the pressure forming machine mixing, cross 30 mesh sieves, granulate.
Bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 52 ℃ are dried in the water content 8%, then put into far-infrared oven, bake and bank up with earth 2min for 210 ℃, naturally cooling.
Cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 130 ℃ not to be higher than 5%.
The bitter buckwheat tea of gained after testing, the rutin composition rate of transform is 97.9%, dissolution rate 95.1%, production technology is reasonable, technique is smooth.
Embodiment 4:
Bitter buckwheat seed (No. 9909 kinds of west farming that Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology cultivates) is immersed in contains 0.008% copper sulphate, in the mixed aqueous solution of 0.048% zinc sulfate and 0.08% potassium dihydrogen phosphate, the thickness of seed in the aqueous solution is 1cm, soaked 5 days, every day, ultra violet lamp was 1 hour, took out afterwards in 5 days, the clear water flushing, 24KHz, under the 300W power condition ultrasonic 5 minutes, put the far-infrared oven low temperature drying, select grain large, full, the bitter buckwheat seed that unit weight is high, by mechanical grinding method it is pulverized, gained KUQIAOPI layer powder crossed 80 mesh sieves, namely gets duck wheat cortex meal, utilizes fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Select the barley seed that grain is large, full, unit weight is high, by mechanical grinding method it is pulverized, gained barley cortex powder is crossed 80 mesh sieves, namely get barley cortex meal, utilize fluid energy mill that barley cortex meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Get bitter buckwheat rhizome and leaf, add 12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat root, stem, Leave extract.
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
Adopt the DM-2 macroporous absorbent resin that bitter buckwheat root, stem, leaf and Fagopyrum tataricum(L.)Gaertn. Bran extract are made with extra care: bitter buckwheat root, stem, Leave extract are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, the dissolving of 70% ethanol, make concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
According to 600 parts of tartary buckwheat cortex powders, 300 parts in barley cortex powder, the ratio that 100 parts of tartary buckwheat extracts and guar gum are 10 parts measures tartary buckwheat cortex powder, barley cortex powder, tartary buckwheat extract and guar gum, first with guar gum (35% amount) soluble in water, abundant swelling, form colloidal solution, add tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract again, the control mixer speed of mainshaft is 30rpm, mixing time 30 minutes, then drop into pressure forming machine, cross 30 mesh sieves, granulate.
Bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 50 ℃ are dried in the water content 8%, then put into far-infrared oven, bake and bank up with earth 2min for 200 ℃, naturally cooling.
Cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 145 ℃ not to be higher than 5%.
The bitter buckwheat tea of gained after testing, the rutin composition rate of transform is 95.8%, dissolution rate 97.0%, production technology is reasonable, technique is smooth.
Embodiment 5:
Bitter buckwheat seed (No. 9909 kinds of west farming that Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology cultivates) is immersed in contains 0.008% copper sulphate, in the mixed aqueous solution of 0.048% zinc sulfate and 0.08% potassium dihydrogen phosphate, the thickness of seed in the aqueous solution is 1cm, soaked 5 days, every day, ultra violet lamp was 1 hour, took out afterwards in 5 days, the clear water flushing, 24KHz, under the 300W power condition ultrasonic 5 minutes, put the far-infrared oven low temperature drying, select grain large, full, the bitter buckwheat seed that unit weight is high, by mechanical grinding method it is pulverized, gained KUQIAOPI layer powder crossed 80 mesh sieves, namely gets duck wheat cortex meal, utilizes fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Select the barley seed that grain is large, full, unit weight is high, by mechanical grinding method it is pulverized, gained barley cortex powder is crossed 80 mesh sieves, namely get barley cortex meal, utilize fluid energy mill that barley cortex meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
Get bitter buckwheat rhizome and leaf, add 12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat root, stem, Leave extract.
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
Adopt the DM-2 macroporous absorbent resin that bitter buckwheat root, stem, leaf and Fagopyrum tataricum(L.)Gaertn. Bran extract are made with extra care: bitter buckwheat root is thick, stem, leaf are carried thing and are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, the dissolving of 70% ethanol, make concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
According to 500 parts of tartary buckwheat cortex powders, 500 parts in barley cortex powder, 100 parts of tartary buckwheat extracts, 11 parts of guar gums, the ratio that egg is 11 parts measures tartary buckwheat cortex powder, barley cortex powder, tartary buckwheat extract, guar gum and egg, first with guar gum and egg (35% amount) soluble in water, abundant swelling, form colloidal solution, add tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract again, the control mixer speed of mainshaft is 30rpm, mixing time 30 minutes, then drop into pressure forming machine, cross 30 mesh sieves, granulate.
Bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 50 ℃ are dried in the water content 8%, then put into far-infrared oven, bake and bank up with earth 3min for 200 ℃, naturally cooling.
Cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 125 ℃ not to be higher than 5%.
The bitter buckwheat tea of gained after testing, the rutin composition rate of transform is 96.2%, dissolution rate 97.7%, production technology is reasonable, technique is smooth.
Claims (10)
1. a bitter buckwheat tea is characterized in that, bitter buckwheat tea is made of tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract, tartary buckwheat cortex powder 500-800 part wherein, barley cortex powder 200-500 part, tartary buckwheat extract 50-100 part.
2. a kind of bitter buckwheat tea as claimed in claim 1 is characterized in that, tartary buckwheat cortex powder is 800 parts in the bitter buckwheat tea, 200 parts in barley cortex powder, 100 parts of tartary buckwheat extracts.
3. a kind of bitter buckwheat tea as claimed in claim 1 is characterized in that, bitter buckwheat is No. 9909 kinds of west farming that Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology cultivates.
4. a kind of bitter buckwheat tea as claimed in claim 1 is characterized in that, the preparation technology of tartary buckwheat cortex powder is:
(1) screening: the bitter buckwheat seed that the selection grain is large, full, unit weight is high is for the production of processing.
(2) the first pulverizing: pulverize bitter buckwheat seed by mechanical grinding method, gained KUQIAOPI layer meal crossed 80 mesh sieves.
(3) ultramicro grinding: utilize fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
5. a kind of bitter buckwheat tea as claimed in claim 4 is characterized in that, before the screening bitter buckwheat is carried out pre-treatment, and method is:
Bitter buckwheat seed is immersed in the mixed solution that contains 0.008% copper sulphate, 0.048% zinc sulfate and 0.08% potassium dihydrogen phosphate, the thickness of seed in solution is 1cm, soaked 5 days, every day, ultra violet lamp was 1 hour, took out afterwards clear water flushing, under 24KHz, the 300W power condition ultrasonic 5 minutes in 5 days, put the far-infrared oven low temperature drying, and get final product.
6. a kind of bitter buckwheat tea as claimed in claim 1, it is characterized in that: the preparation technology of Barley cortex powder is:
(1) screening: the barley seed that the selection grain is large, full, unit weight is high is for the production of processing.
(2) the first pulverizing: pulverize barley seed by mechanical grinding method, gained barley cortex meal is crossed 80 mesh sieves.
(3) ultramicro grinding: utilize fluid energy mill that barley cortex meal is carried out ultramicro grinding, the gained fine powder is crossed 300 mesh sieves, and get final product.
7. a kind of bitter buckwheat tea as claimed in claim 1 is characterized in that:
(1) tartary buckwheat extract comprises bitter buckwheat stem, leaf, root extract and Fagopyrum tataricum(L.)Gaertn. Bran extract two parts, and bitter buckwheat stem, leaf, root extract mix in the 1:1 ratio with Fagopyrum tataricum(L.)Gaertn. Bran extract;
(2) extraction process of bitter buckwheat stem, leaf, root extract is:
12 times of amount 65% alcohol extracts, each 2 hours, extract 3 times, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets bitter buckwheat stem, leaf, root crude extract.
(3) extraction process of Fagopyrum tataricum(L.)Gaertn. Bran extract is:
Ultrasonic assisted Extraction is followed the example of the extraction tartary buckwheat bran, under 24KHz, 300W power ultrasonic condition, and 6 times of amount 80% ethanol, 0.5MPa pressure, 40 ℃, extract 2 times, each 2 hours, merge extract, reduction vaporization dry (0.1MPa, 20 ℃) namely gets the tartary buckwheat bran crude extract.
(4) purifying process of tartary buckwheat extract is:
Adopt the DM-2 macroporous absorbent resin that tartary buckwheat extract is made with extra care: bitter buckwheat stem, leaf, root crude extract are mixed in the 1:1 ratio with the tartary buckwheat bran crude extract, and the dissolving of 70% ethanol makes concentration be decided to be 2mg/mL, regulating the pH value is 2, loading, the absorption flow velocity is 2mL/min, blade diameter length ratio 1:10; With 70% ethanol macroporous absorbent resin is carried out wash-out afterwards, regulating the pH value is 8.5, elution rate is 1mL/min, collects eluent, under 25 ℃ of conditions eluent is carried out high speed centrifugation and separates, centrifuge speed 4000rpm, centrifugal 20 minutes, filter eluent, filtrate is carried out reduction vaporization drying (0.1MPa, 20 ℃), namely get tartary buckwheat extract.
8. the preparation technology such as the bitter buckwheat tea of claim 1-7 is characterized in that, comprises breading, moulding, drying, four steps of Titian, wherein:
(1) breading: tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract are mixed, until the color and luster homogeneous left standstill 20 minutes.
(2) moulding: get the tea powder of mixing thoroughly, add water 25%-35%, adopt the pressure forming machine mixing, cross 30 mesh sieves, granulate.
(3) drying: the bitter buckwheat tea granule dish out after the moulding is placed first hot air drier, and 50-55 ℃ is dried in the water content 8%, then puts into far-infrared oven, bakes and banks up with earth 2-3min for 200-220 ℃, naturally cooling.
(4) Titian: cooled bitter buckwheat tea is put into the roller drying case, bakes and banks up with earth to moisture for 110-145 ℃ not to be higher than 5%.
9. the preparation technology of a kind of bitter buckwheat tea as claimed in claim 8 is characterized in that:
(1) adds 1% guar gum during breading.
(2) first that guar gum is soluble in water, fully swelling forms colloidal solution, adds tartary buckwheat cortex powder, barley cortex powder and tartary buckwheat extract again, then drops into the pressure forming machine mixed pelletization.
(3) the control mixer speed of mainshaft is 30rpm, mixing time 30 minutes.
10. such as the preparation technology of a kind of bitter buckwheat tea of claim 8 or 9, it is characterized in that, add the egg of 1% amount during breading.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210445412 CN102940077A (en) | 2012-11-08 | 2012-11-08 | Barley and tartay buckwheat tea and preparation process thereof |
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| CN 201210445412 CN102940077A (en) | 2012-11-08 | 2012-11-08 | Barley and tartay buckwheat tea and preparation process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141644A (en) * | 2013-03-29 | 2013-06-12 | 山西龙荞生物科技有限公司 | Preparation method of fagopyrum tararicum |
| CN105325633A (en) * | 2015-11-03 | 2016-02-17 | 威宁县荞源食品加工厂 | Buckwheat tea processing method |
| CN106234693A (en) * | 2016-08-15 | 2016-12-21 | 安徽天乾健食品科技有限公司 | One is refreshed oneself heat clearing away wheat perfume (or spice) Radix Et Rhizoma Fagopyri Tatarici tea-drinking and preparation method thereof |
-
2012
- 2012-11-08 CN CN 201210445412 patent/CN102940077A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141644A (en) * | 2013-03-29 | 2013-06-12 | 山西龙荞生物科技有限公司 | Preparation method of fagopyrum tararicum |
| CN105325633A (en) * | 2015-11-03 | 2016-02-17 | 威宁县荞源食品加工厂 | Buckwheat tea processing method |
| CN106234693A (en) * | 2016-08-15 | 2016-12-21 | 安徽天乾健食品科技有限公司 | One is refreshed oneself heat clearing away wheat perfume (or spice) Radix Et Rhizoma Fagopyri Tatarici tea-drinking and preparation method thereof |
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Application publication date: 20130227 |