CN102934719A - Gingko tartary buckwheat tea and preparation technology thereof - Google Patents
Gingko tartary buckwheat tea and preparation technology thereof Download PDFInfo
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Abstract
Disclosed are a gingko tartary buckwheat tea and a preparation technology thereof. The tartary buckwheat tea comprises 500-850 parts of tartary buckwheat cortex powder, 200-400 parts of gingko powder, 25-50 parts of tartary buckwheat extracts, 2-10 parts of guar gum, 2-10 parts of xanthan gum and 2-10 parts of konjac gum. The preparation technology of the tartary buckwheat tea includes powder mixing, forming, drying and aroma increasing. Specifically, the technology includes mixing the tartary buckwheat cortex powder, the gingko powder, the tartary buckwheat extracts, the guar gum, the xanthan gum and the konjac gum evenly until the color is uniform and standing for 20min; taking the evenly mixed tea powder, adding 25%-40% of water, blending through a compression forming machine, screening through a 30-mesh sieve, and granulating; then placing the formed tartary buckwheat tea granules in a disk, placing in a hot air drying oven, drying at 50-55DEG C until the water content is lower than 8%, then placing in a far infrared oven, baking at 200-220DEG C for 2-3min, and cooling naturally; and finally placing the dried tartary buckwheat tea in a drum drying oven and baking at 110-145DEG C until the water content is not higher 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 height and proportioning are 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.
Ginkgo has another name called maidenhair tree, and it is slower to grow, and the life-span is extremely long, has appreciation, economy, and medical value, whole body are " treasured ".Ginkgo is the most ancient gymnosperm that carries over after the quaternary glacier motion, is one of very precious in the world seeds.The record ginkgo has " tonifying Qi, the lung that nourishes heart, wets, beneficial gas, fixed along coughing, dwindle just, end gonorrhoea, falling phlegm ", disinfection in the Compendium of Material Medica.The illnesss such as ginkgo nut is breathed heavily coughing, gynaecological disease have good therapeutic action; The excellent effect of the extract of ginkgo biloba for treating heart, cranial vascular disease is just admitted by global the world of medicine.Modern science research is found, in the blade of ginkgo, contains 20 various trace elements and ginkagolide, flavone compound isoreactivity material.For cardiovascular, large headstroke, cerebral thrombus, failure of memory, diabetes, cirrhosis, tinnitus, asthma auxiliary curative effect is arranged, and have the prevention and the treatment, hypertension, high fat of blood, diabetes, coronary heart disease, delays senility, loses weight and improve human immunological competence's function at senile dementia.
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, ginkgo all have preferably reducing blood lipid, hypoglycemic and hypotensive activity, however both share research less.
Summary of the invention
The invention provides prescription and the preparation technology thereof of the bitter buckwheat tea of a kind of ginkgo, 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 ginkgo, 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 ginkgo of the present invention, consisted of by tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan, tartary buckwheat cortex powder 500-850 part wherein, ginkgo powder 200-400 part, tartary buckwheat extract 25-50 part, guar gum 2-10 part, xanthans 2-10 part, konjac glucomannan 2-10 part.
The bitter buckwheat tea of ginkgo of the present invention, 800 parts of preferred tartary buckwheat cortex powders, 300 parts of ginkgo powders, 40 parts of tartary buckwheat extracts, 5 parts of guar gums, 5 parts of xanthans, 5 parts of konjac glucomannans.
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 ginkgo.
The preparation technology of tartary buckwheat cortex powder is in the bitter buckwheat tea of ginkgo:
(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 ginkgo, 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 prescription of the bitter buckwheat tea of ginkgo is preferred
(1) ginkgo powder comprises ginkgo leaf powder and Semen Ginkgo extract, and ginkgo leaf powder mixes in the 10:1 ratio with Semen Ginkgo extract;
(2) preparation technology of ginkgo leaf powder is:
Get the ginkgo blade at 2-3 age, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
(3) preparation technology of Semen Ginkgo extract is:
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, reduction vaporization dry (0.1MPa, 20 ℃), and get final product.
The prescription of the bitter buckwheat tea of ginkgo 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 ginkgo of the present invention comprises breading, moulding, drying, four steps of Titian, wherein:
(1) breading: tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan are mixed, until the color and luster homogeneous left standstill 20 minutes.
(2) moulding: get the tea powder of mixing thoroughly, add water 25%-40%, 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 ginkgo is preferred
(1) first that guar gum, xanthans and konjac glucomannan is soluble in water, fully swelling forms colloidal solution, adds tartary buckwheat cortex powder, ginkgo powder and tartary buckwheat extract again, then drops into the pressure forming machine mixed pelletization.
(2) 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 ginkgo.
Be compared with existing technology, the technology of the present invention effect comprises:
1, the present invention chooses bitter buckwheat and ginkgo 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 ginkgo, comprises bitter buckwheat root, stem, leaf, wheat bran and seed, and the ginkgo leaf and fruit, 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 bitter buckwheat and the ginkgo 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 ginkgo and the process, draws optimised process, and the introducing of ultramicro grinding technique significantly raises the bitter buckwheat tea of ginkgo active ingredient stripping quantity.
8, the bitter buckwheat tea of gained ginkgo 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 the bitter buckwheat seed that grain is large, full, unit weight is high, by mechanical grinding method it is pulverized, gained KUQIAOPI layer meal crossed 80 mesh sieves, utilizes fluid energy mill that KUQIAOPI layer meal carried out ultramicro grinding, and the gained fine powder is crossed 300 mesh sieves, and get final product.
Get the ginkgo blade at 2 ages, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 mesh sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, and reduction vaporization dry (0.1MPa, 20 ℃) namely gets Semen Ginkgo extract.
Ginkgo leaf powder is mixed in the 10:1 ratio with Semen Ginkgo extract, namely get ginkgo 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, 300 parts of ginkgo powders, 50 parts of tartary buckwheat extracts, 8 parts of guar gums, 8 parts of xanthans, the ratio that konjac glucomannan is 6 parts is measured tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan, and tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan 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 98.0%, dissolution rate 96.6%, 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.
Get the ginkgo blade at 3 ages, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, and reduction vaporization dry (0.1MPa, 20 ℃) namely gets Semen Ginkgo extract.
Ginkgo leaf powder is mixed in the 10:1 ratio with Semen Ginkgo extract, namely get ginkgo powder.
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, 300 parts of ginkgo powders, 30 parts of tartary buckwheat extracts, 3 parts of guar gums, 3 parts of xanthans, the ratio that konjac glucomannan is 3 parts is measured tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan, and tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan 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 97.8%, dissolution rate 97.5%, 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.
Get the ginkgo blade at 3 ages, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, and reduction vaporization dry (0.1MPa, 20 ℃) namely gets Semen Ginkgo extract.
Ginkgo leaf powder is mixed in the 10:1 ratio with Semen Ginkgo extract, namely get ginkgo powder.
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 of ginkgo powders, 40 parts of tartary buckwheat extracts, 5 parts of guar gums, 8 parts of xanthans, the ratio that konjac glucomannan is 5 parts is measured tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan, mixes tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan 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 95.9%, dissolution rate 97.4%, 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.
Get the ginkgo blade at 3 ages, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, and reduction vaporization dry (0.1MPa, 20 ℃) namely gets Semen Ginkgo extract.
Ginkgo leaf powder is mixed in the 10:1 ratio with Semen Ginkgo extract, namely get ginkgo powder.
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, 400 parts of ginkgo powders, 25 parts of tartary buckwheat extracts, 10 parts of guar gums, 5 parts of xanthans, the ratio that konjac glucomannan is 5 parts is measured tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan, with guar gum, xanthans and konjac glucomannan (40% amount) soluble in water, fully swelling forms colloidal solution first, add again tartary buckwheat cortex powder, ginkgo powder and tartary buckwheat extract, the control mixer speed of mainshaft is 30rpm, and mixing time 30 minutes drops into pressure forming machine then, 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 95.3%, dissolution rate 98.1%, 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.
Get the ginkgo blade at 3 ages, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, and reduction vaporization dry (0.1MPa, 20 ℃) namely gets Semen Ginkgo extract.
Ginkgo leaf powder is mixed in the 10:1 ratio with Semen Ginkgo extract, namely get ginkgo powder.
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 640 parts of tartary buckwheat cortex powders, 400 parts of ginkgo powders, 40 parts of tartary buckwheat extracts, 5 parts of guar gums, 10 parts of xanthans, 5 parts of konjac glucomannans, the ratio that egg is 11 parts is measured tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans, konjac glucomannan and egg are first with guar gum, xanthans, konjac glucomannan and egg (35% amount) soluble in water, abundant swelling, form colloidal solution, add again tartary buckwheat cortex powder, ginkgo powder and tartary buckwheat extract, 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 97.0%, dissolution rate 95.4%, production technology is reasonable, technique is smooth.
Claims (10)
1. bitter buckwheat tea, it is characterized in that, bitter buckwheat tea is made of tartary buckwheat cortex powder, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan, tartary buckwheat cortex powder 500-850 part wherein, ginkgo powder 200-400 part, tartary buckwheat extract 25-50 part, guar gum 2-10 part, xanthans 2-10 part, konjac glucomannan 2-10 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, 300 parts of ginkgo powders, 40 parts of tartary buckwheat extracts, 5 parts of guar gums, 5 parts of xanthans, 5 parts of konjac glucomannans.
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 is characterized in that:
(1) ginkgo powder comprises ginkgo leaf powder and Semen Ginkgo extract, and ginkgo leaf powder mixes in the 10:1 ratio with Semen Ginkgo extract;
(2) preparation technology of ginkgo leaf powder is:
Get the ginkgo blade at 2-3 age, 25 ℃ of water rinses spread and dry, placed 4 hours 100 ℃ of steam beatings 5 minutes, room temperature cooling in 25 ℃, 0.1MPa environment, 150 ℃ of baking ovens toasted 15 seconds, 4 ℃ of coolings are pulverized, and cross 80 sieves, get the ginkgo leaf meal, meal is dropped into fluid energy mill carry out ultramicro grinding, product is crossed 300 mesh sieves, and get final product.
(3) preparation technology of Semen Ginkgo extract is:
Get gingko, decocted 2 hours with 8 times of water gagings first, decocted 1.5 hours with 6 times of water gagings, merge decocting liquid twice, film evaporation method is flung to moisture, reduction vaporization dry (0.1MPa, 20 ℃), 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, ginkgo powder, tartary buckwheat extract, guar gum, xanthans and konjac glucomannan are mixed, until the color and luster homogeneous left standstill 20 minutes.
(2) moulding: get the tea powder of mixing thoroughly, add water 25%-40%, 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) first that guar gum, xanthans and konjac glucomannan is soluble in water, fully swelling forms colloidal solution, adds tartary buckwheat cortex powder, ginkgo powder and tartary buckwheat extract again, then drops into the pressure forming machine mixed pelletization.
(2) 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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Cited By (4)
| 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 |
| CN103493865A (en) * | 2013-09-26 | 2014-01-08 | 江苏农林职业技术学院 | Cookies suitable for hypertension group and making method thereof |
| CN104188024A (en) * | 2014-07-24 | 2014-12-10 | 汪久和 | Tartary buckwheat and lophatherum gracile plant beverage and preparation method thereof |
| CN104872337A (en) * | 2015-05-29 | 2015-09-02 | 桐城市牯牛背农业开发有限公司 | Nutritious Tartary buckwheat tea and preparation method thereof |
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- 2012-11-08 CN CN 201210442731 patent/CN102934719A/en active Pending
Cited By (6)
| 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 |
| CN103493865A (en) * | 2013-09-26 | 2014-01-08 | 江苏农林职业技术学院 | Cookies suitable for hypertension group and making method thereof |
| CN103493865B (en) * | 2013-09-26 | 2015-02-04 | 江苏农林职业技术学院 | Cookies suitable for hypertension group and making method thereof |
| CN104188024A (en) * | 2014-07-24 | 2014-12-10 | 汪久和 | Tartary buckwheat and lophatherum gracile plant beverage and preparation method thereof |
| CN104188024B (en) * | 2014-07-24 | 2016-03-02 | 汪久和 | Bitter buckwheat leaf of bamboo plant beverage and preparation method thereof |
| CN104872337A (en) * | 2015-05-29 | 2015-09-02 | 桐城市牯牛背农业开发有限公司 | Nutritious Tartary buckwheat tea and preparation method thereof |
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