CN110050930A - A kind of fructus arctii solid beverage and preparation method thereof - Google Patents

A kind of fructus arctii solid beverage and preparation method thereof Download PDF

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CN110050930A
CN110050930A CN201811134354.XA CN201811134354A CN110050930A CN 110050930 A CN110050930 A CN 110050930A CN 201811134354 A CN201811134354 A CN 201811134354A CN 110050930 A CN110050930 A CN 110050930A
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freeze
fructus arctii
preparation
conditions
solid beverage
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CN110050930B (en
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不公告发明人
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Guangzhou Ru Li Da Food Technology Co Ltd
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Guangzhou Ru Li Da Food Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/385Concentrates of non-alcoholic beverages
    • A23L2/39Dry compositions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/52Adding ingredients
    • A23L2/60Sweeteners
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105Plant extracts, their artificial duplicates or their derivatives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Botany (AREA)
  • Mycology (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)

Abstract

The present invention relates to a kind of preparation methods of fructus arctii solid beverage, and using radix bardanae as raw material, preparation method successively includes: through pretreatment of raw material, freeze thawing treatment, maceration extract preparation, impregnation, drying process, frozen dried, pulverization process.The present invention is taken in a manner of brewing and drinking, and compared with the prior art, has not only been had effects that quite or more preferably auxiliary hyperglycemic, but also have good dissolubility especially cold soluble, also has a good taste flavor and the bitter taste without usual fructus arctii product.

Description

A kind of fructus arctii solid beverage and preparation method thereof
Technical field
The invention belongs to technical field of health care food, and in particular to a kind of system of the fructus arctii solid beverage with health-care efficacy It is standby.
Background technique
Solid beverage is also referred to as instant beverage, is a kind of common on the market, easy to carry and Instant Drinks beverage products.But Solid beverage kind currently on the market is more single, the types such as most or traditional instant coffee, instant tea, mainly with Coffee, cocoa, tealeaves etc. are raw material, are made through processes such as extraction, filtering, concentration, vacuum drying, can be molten rapidly when brewing Solution achievees the purpose that instant in hot water or warm water.
But along with being gradually rooted in the hearts of the people for healthy diet idea, to have the material for taking into account edible quality and health-care efficacy Material, such as the Chinese medicine can be used for health food prepare solid beverage class product as raw material, are increasingly becoming new lover in the market. But the Related products such as edible burdock instant tea, Rhizoma Gastrodiae instant tea, root of kirilow rhodiola instant tea, pueraria lobata instant tea currently on the market, greatly Part be still raw material the modes such as is proposed using hot dipping to extract, then by extract it is spray-dried after instant powder solid beverage is made, On the one hand, the operating procedure is relatively complicated, step is more, heat treatment link especially therein may destroy the health care in Chinese medicine at Divide and cause the loss of effective component, while the effective component extracted is not comprehensive enough;On the other hand, instant tea powder obtained is cold Dissolubility in water is not ideal enough, and the particle of instant powder is larger, and mouthfeel is also not very satisfactory.
At the same time, with modern diet and living-pattern preservation, a variety of health diseases such as diabetes, illness rate Trend is risen year by year, and at present clinically, hypoglycemic main ingredient is still Western medicine, however there is more in the treatment for Western medicine Side effect, effect of the research natural health medicinal material in auxiliary hyperglycemic this respect.
And modern medicine study shows that compositae plant fructus arctii is pungent, bitter, cold, return lung stomach meridian, has dispelling wind and heat from the body, promoting the dispersing function of the lung Promoting eruption, removing toxic substances relieving sore-throat and other effects.Radix bardanae contain amino acid, volatile oil, polyphenol, protein, oligosaccharide, flavonoids, crude fibre, Mineral element and vitamin etc. have lipid-loweringing, norcholesterol, hypoglycemic isoreactivity, are the traditional dual-purpose of drug and food treasures in China.But its During being applied as health food, it was also found that since fructus arctii has certain bitter taste, direct Instant Drinks fructus arctii or edible Its extract, bitter substance therein may bring bad edible experience to some consumers, thus there is also how The technical issues of effect of lowering blood sugar of Burdock product is further improved in the case where taking into account taste flavor.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of fructus arctiis, and powder solid beverage is lyophilized Preparation method, the food product forms that consumer accepts extensively are made, are taken in a manner of brewing and drinking, compared to existing skill Art had not only had effects that quite or more preferably auxiliary hyperglycemic, but also has had good dissolubility especially cold soluble, also had good Taste flavor and bitter taste without usual fructus arctii product.
Specifically, the present invention is achieved through the following technical solutions;
The purpose of the present invention is to provide a kind of preparation method of fructus arctii solid beverage, using radix bardanae as raw material, preparation method It successively include: through at pretreatment of raw material, freeze thawing treatment, maceration extract preparation, impregnation, drying process, frozen dried, crushing Reason.
Specifically, the fructus arctii solid beverage the preparation method comprises the following steps:
(1) using radix bardanae as raw material, after cleaned, peeling, bulk, color protection treatment pretreatment of raw material: are cut into;
(2) freeze thawing treatment: the fructus arctii block after color protection is subjected to freeze-thaw-freeze-thaw Frozen-thawed cycled, is freezed twice Temperature control in -10~-20 DEG C, freeze-off time 1-3h, natural thaw is to 0 DEG C of central temperature twice;
(3) prepared by maceration extract: taking corn stigma and STEVIA REBAUDIANA, mixes after cleaning according to the mass ratio of 2-4:1, mixture is according to material Liquor ratio 1:30-50(m/v) ratio be added distilled water, impregnate 1-2h, water extract when use ultrasonic wave batch process, in 300- 5-10min per treatment under the conditions of 500W, 30-60 DEG C stands 5min, 5-10min is then sonicated, then stand 5min, with this Recycle extraction process 30-90min;Water intaking extracting solution, is centrifuged, takes supernatant, is concentrated into concentration 10-30%(w/w), it must impregnate Liquid;
(4) impregnation: step (2) the fructus arctii block that treated being impregnated in maceration extract obtained by step (3), low temperature dipping, 5-15 DEG C of dipping temperature, dip time 1-2h;
(5) it is dried: the fructus arctii block after taking impregnation, after draining surface, the low temperature drying 0.5- under the conditions of 30-60 DEG C 1h;
(6) frozen dried: the fructus arctii block after drying is placed in vacuum freeze drier, first the pre-freeze 3- at -30~-50 DEG C 6h, freezes rapidly and to deep colling, then 3-6h is kept under the conditions of vacuum degree -5~-10Pa, protects under the conditions of 40-50 DEG C of sublimation temperature 5-10h is held, keeps 5-10h under the conditions of 50-60 DEG C of resolution temperature, until moisture content 2-4%;
(7) pulverization process: in the case where protecting gas nitrogen environment, will through step (6), treated that freeze-dried burdock block pulverizes, Then cross 300-1000 mesh to get.
Preferably, in the step (1) pretreatment of raw material, it is cut into the bulk of side length 1-3cm.
Preferably, in the step (2) freeze thawing treatment, the fructus arctii block after color protection is subjected to freeze-thaw-freezing- The Frozen-thawed cycled of defrosting, the temperature control of freezing for the first time is at -10 DEG C, first time freeze-off time 2h, second of cryogenic temperature control System is at -20 DEG C, second of freeze-off time 2h, and natural thaw is to 0 DEG C of central temperature twice.
Preferably, in the preparation of the step (3) maceration extract, corn stigma and STEVIA REBAUDIANA are taken, according to the matter of 3.5:1 after cleaning The mixing of amount ratio.
It is further preferred that in described step (3) the maceration extract preparation, mixture according to solid-liquid ratio 1:45(m/v) ratio Distilled water is added in example, impregnates 2h, and ultrasonic wave batch process is used when water extracts, per treatment under the conditions of 400W, 50 DEG C 10min stands 5min, is then sonicated 10min, then stand 5min, recycles extraction process 90min with this;Water intaking extracting solution, warp It is centrifuged, takes supernatant, is concentrated into concentration 25%(w/w), obtain maceration extract.
Preferably, in the step (4) impregnation, 10 DEG C of low temperature dipping temperature, dip time 1.5h.
Preferably, during the step (5) is dried, the low temperature drying 1h under the conditions of 50 DEG C.
Preferably, in the step (6) frozen dried, the fructus arctii block after drying is placed in vacuum freeze drier, The first pre-freeze 3-6h at -30~-50 DEG C freezes rapidly and keeps 5h, sublimation temperature to deep colling, then under the conditions of vacuum degree 7Pa 8h is kept under the conditions of 45 DEG C, keeps 8h under the conditions of 55 DEG C of resolution temperature, until moisture content 2-4%.
Preferably, in the step (7) pulverization process, in the case where protecting gas nitrogen environment, freeze-dried burdock block is surpassed Crushing of Ultrafine, then cross 600 meshes to get.
Compared with prior art, the present invention having the following beneficial effects:
(1) on the health-care efficacy of product, corn stigma is rich in polysaccharide isoreactivity ingredient as corn's by-products, has hypoglycemic, lipid-loweringing And other effects, and its resource is huge, have many advantages, such as abundance, it is cheap, be easy to collect, but at present to its development and utilization It is very limited, it is most of to be abandoned in vain, cause the wasting of resources.And STEVIA REBAUDIANA is the leaf of composite family feverwort STEVIA REBAUDIANA, With promote the production of body fluid to quench thirst, it is blood pressure lowering, hypoglycemic and other effects, be alternatively arranged as natural sweetener low in calories and use, be food and drug One of the raw material of industry.At the same time, both corn stigma and STEVIA REBAUDIANA come with light fresh and sweet taste, are easier to as consumer institute Receive.Therefore, the specific combination of fructus arctii and corn stigma, STEVIA REBAUDIANA makes it have compared to exclusive use fructus arctii, corn stigma, sweet tea Ye Ju can play more preferably auxiliary hyperglycemic effect, and find that the effect that it arranges in pairs or groups at a specific ratio is even more to exceed expection.
(2) in the instant performance of product, the present invention does not use the common raw material enzymatic hydrolysis of the prior art, extraction, leaching liquor It is spray-dried and obtains the mode of fructus arctii instant powder and prepare (its obtain be actually burdock extract), during the preparation process not It is extracted, but the operation such as freeze thawing, dipping, freeze-drying, crushing is directly carried out using complete fructus arctii as raw material, thus final Substantially complete fructus arctii ingredient is remained in instant powder product, have for extract more fully, complete function Effect is used, and takes into account its instant capacity on this basis, and also has good dissolubility energy in cold water.
(3) on the taste flavor of product, the present invention is logical by adding also particularly directed to bitter taste possessed by fructus arctii raw material Frequently as the corn stigma ingredient of maize raw material leftover bits and pieces, and it can be used as the STEVIA REBAUDIANA of natural sweetener low in calories, thus to cover Lid, neutralize fructus arctii bitter taste so that the fructus arctii solid beverage of Instant Drinks it is soft it is agreeable to the taste, flavor is moderate, both realized the comprehensive of corn stigma It closes and utilizes, and meet the taste flavor demand of more consumers, while also having further expanded answering for health care burdock food Use range.
Specific embodiment
Further illustrate that the present invention, following embodiment are the specific embodiment party of the present invention below by specific embodiment Formula, but embodiments of the present invention are not limited by following embodiments.
Embodiment 1:
Fructus arctii solid beverage the preparation method comprises the following steps: (1) pretreatment of raw material: using radix bardanae as raw material, it is cleaned, peeling after, be cut into The bulk of side length 2cm, color protection treatment;(2) the fructus arctii block after color protection freeze thawing treatment: is subjected to freeze-thaw-freeze-thaw Frozen-thawed cycled, the temperature control of freezing for the first time the control of -10 DEG C, first time freeze-off time 2h, second cryogenic temperatures - 20 DEG C, second of freeze-off time 2h, natural thaw is to 0 DEG C of central temperature twice;(3) prepared by maceration extract: taking corn stigma and sweetleaf Chrysanthemum mixes after cleaning according to the mass ratio of 3.5:1, and distilled water, leaching is added according to the ratio of solid-liquid ratio 1:45(m/v) in mixture 2h is steeped, ultrasonic wave batch process is used when water extracts, the 10min per treatment under the conditions of 400W, 50 DEG C stands 5min, then surpasses Sonication 10min, then 5min is stood, extraction process 90min is recycled with this;Water intaking extracting solution is centrifuged, takes supernatant, concentration To concentration 25%(w/w), maceration extract is obtained;(4) step (2) the fructus arctii block that treated impregnation: is impregnated in step (3) institute It obtains in maceration extract, low temperature dipping, 10 DEG C of dipping temperature, dip time 1.5h;(5) it is dried: the fructus arctii after taking impregnation Block, after draining surface, the low temperature drying 1h under the conditions of 50 DEG C;(6) the fructus arctii block after drying frozen dried: is placed in vacuum refrigeration In drying machine, first the pre-freeze 3-6h at -30~-50 DEG C, freezes rapidly and keeps 5h to deep colling, then under the conditions of vacuum degree 7Pa, 8h is kept under the conditions of 45 DEG C of sublimation temperature, keeps 8h under the conditions of 55 DEG C of resolution temperature, until moisture content 2-4%;(7) pulverization process: In the case where protecting gas nitrogen environment, will through step (6), treated that freeze-dried burdock block pulverizes, then cross 600 meshes, i.e., ?.
Embodiment 2:
Fructus arctii solid beverage the preparation method comprises the following steps: (1) pretreatment of raw material: using radix bardanae as raw material, it is cleaned, peeling after, be cut into Bulk, color protection treatment;(2) freeze thawing treatment: the fructus arctii block after color protection is subjected to the freeze thawing of freeze-thaw-freeze-thaw and is followed Ring, the temperature freezed twice are controlled in -15 DEG C, freeze-off time 2h, and natural thaw is to 0 DEG C of central temperature twice;(3) maceration extract Preparation: taking corn stigma and STEVIA REBAUDIANA, mixes after cleaning according to the mass ratio of 2:1, mixture is according to solid-liquid ratio 1:30's) Distilled water is added in ratio, impregnates 1h, and ultrasonic wave batch process is used when water extracts, per treatment under the conditions of 300W, 30 DEG C 5min stands 5min, is then sonicated 5min, then stand 5min, recycles extraction process 30min with this;Fetch water extracting solution, through from The heart takes supernatant, is concentrated into concentration 10%(w/w), obtain maceration extract;(4) impregnation: by step (2) the fructus arctii block that treated It is impregnated in maceration extract obtained by step (3), low temperature dipping, 5 DEG C of dipping temperature, dip time 1h;(5) it is dried: taking dipping Treated fructus arctii block, after draining surface, the low temperature drying 0.5h under the conditions of 30 DEG C;(6) frozen dried: by the fructus arctii after drying Block is placed in vacuum freeze drier, first the pre-freeze 3h at -30 DEG C, is freezed rapidly and to deep colling, then under the conditions of vacuum degree 5Pa 3h is kept, 5h is kept under the conditions of 40 DEG C of sublimation temperature, 5h is kept under the conditions of 50 DEG C of resolution temperature, until moisture content 2-4%;(7) powder Broken processing: in the case where protecting gas nitrogen environment, will through step (6), treated that freeze-dried burdock block pulverizes, then cross 300 Mesh to get.
Embodiment 3:
Fructus arctii solid beverage the preparation method comprises the following steps: (1) pretreatment of raw material: using radix bardanae as raw material, it is cleaned, peeling after, be cut into Bulk, color protection treatment;(2) freeze thawing treatment: the fructus arctii block after color protection is subjected to the freeze thawing of freeze-thaw-freeze-thaw and is followed Ring, the temperature freezed twice are controlled in -20 DEG C, freeze-off time 3h, and natural thaw is to 0 DEG C of central temperature twice;(3) maceration extract Preparation: taking corn stigma and STEVIA REBAUDIANA, mixes after cleaning according to the mass ratio of 4:1, mixture is according to solid-liquid ratio 1:50's) Distilled water is added in ratio, impregnates 2h, and ultrasonic wave batch process is used when water extracts, per treatment under the conditions of 500W, 60 DEG C 10min stands 5min, is then sonicated 10min, then stand 5min, recycles extraction process 90min with this;Water intaking extracting solution, warp It is centrifuged, takes supernatant, is concentrated into concentration 30%(w/w), obtain maceration extract;(4) impregnation: by step (2) fructus arctii that treated Block is impregnated in maceration extract obtained by step (3), low temperature dipping, and 15 DEG C of dipping temperature, dip time 2h;(5) it is dried: taking leaching Stain treated fructus arctii block, after draining surface, the low temperature drying 1h under the conditions of 60 DEG C;(6) frozen dried: by the fructus arctii after drying Block is placed in vacuum freeze drier, first the pre-freeze 6h at -50 DEG C, is freezed rapidly and to deep colling, then in vacuum degree 10Pa condition Lower holding 6h keeps 10h under the conditions of 50 DEG C of sublimation temperature, 10h is kept under the conditions of 60 DEG C of resolution temperature, until moisture content 2-4%; (7) pulverization process: in the case where protecting gas nitrogen environment, will through step (6), treated that freeze-dried burdock block pulverizes, then Cross 1000 meshes to get.
Comparative example A 1:
Specific the preparation method is the same as that of Example 1, but the freeze thawing treatment without step (2).
Comparative example A 2:
Specific the preparation method is the same as that of Example 1, but the freeze thawing treatment of step (2) is in the following way: by the fructus arctii block after color protection The single freeze thawing operation of freeze-thaw is carried out, the temperature of freezing is controlled at -10 DEG C, freeze-off time 2h, then natural thaw is to center 0 DEG C of temperature.
Comparative example A 3:
Specific the preparation method is the same as that of Example 1, but the freeze thawing treatment of step (2) is in the following way: by the fructus arctii block after color protection The single freeze thawing operation of freeze-thaw is carried out, the temperature of freezing is controlled at -20 DEG C, freeze-off time 2h, then natural thaw is to center 0 DEG C of temperature.
Comparative example A 4:
Specific the preparation method is the same as that of Example 1, but without step (4) impregnation.
Comparative example A 5:
Specific the preparation method is the same as that of Example 1, but without step (6) frozen dried, but spray well known in the prior art can be used The dry mode of mist.
Comparative example A 6:
Specific the preparation method is the same as that of Example 1, but the frozen dried of step (6) is in the following way: the fructus arctii block after drying is set In vacuum freeze drier, the first pre-freeze 3-6h at -30~-50 DEG C freezes rapidly and to deep colling, then in vacuum degree 60Pa item 5h is kept under part, and 8h is kept under the conditions of 45 DEG C of sublimation temperature, keeps 8h under the conditions of 55 DEG C of resolution temperature, until moisture content 2-4%.
Comparative example A 7:
Specific the preparation method is the same as that of Example 1, but the frozen dried of step (6) is in the following way: the fructus arctii block after drying is set In vacuum freeze drier, the first pre-freeze 3-6h at -30~-50 DEG C freezes rapidly and to deep colling, then in vacuum degree 7Pa item 5h is kept under part, and 8h is kept under the conditions of 45 DEG C of sublimation temperature, keeps 8h under the conditions of 55 DEG C of resolution temperature, until moisture content 8%.
Comparative example A 8:
Specific the preparation method is the same as that of Example 1, but the pulverization process of step (7) is in the following way: freeze-dried burdock block is crushed, Then 80 meshes are crossed.
Comparative example B1:
Specific the preparation method is the same as that of Example 1, but in step (4) impregnation, individually takes corn stigma, remaining is the same as embodiment 1.
Comparative example B2:
Specific the preparation method is the same as that of Example 1, but in step (4) impregnation, individually takes STEVIA REBAUDIANA, remaining is the same as embodiment 1.
Comparative example B3:
Specific the preparation method is the same as that of Example 1, but in step (4) impregnation, corn stigma and STEVIA REBAUDIANA is taken, according to 1:1 after cleaning Mass ratio mixing, remaining is the same as embodiment 1.
Comparative example B4:
Specific the preparation method is the same as that of Example 1, but in step (4) impregnation, corn stigma and STEVIA REBAUDIANA is taken, according to 1:3 after cleaning Mass ratio mixing, remaining is the same as embodiment 1.
Solubility experiment
Note: being divided into 3 opinion ratings, is completely dissolved, part is undissolved, not readily dissolves (solubility property is poor), wherein complete It in the case where dissolution, is further subdivided into: being dissolved as quickly dissolving in 3s, middling speed dissolution is dissolved as in 6s, 6s or more the time is molten Solution is to dissolve at a slow speed.
As a result, it has been found that comparative example without freeze thawing treatment and the specific comparative example using spray drying it is cold soluble compared with Difference, and solubility property in the hot water is also not as good as embodiment 1-3.Meanwhile according to the dissolution situation ratio of comparative example A 2-3, A6-8 Compared with, it is known that number of freezing and thawing, moisture content, crushes mesh number to the especially cold soluble tool of the dissolubility of its product at the vacuum degree of freeze-drying There is large effect.And compared to comparative example, the product of embodiment 1-3 no matter be placed in cold water or boiling water all have it is good Solubility property, and dispersion can be completely dissolved in 3s, has good cold soluble, and overall merit is high, and also explanation is specific Processing step and operating parameter adapt to the application of fructus arctii raw material.
Taste flavor evaluation
Note: 10 samples are arranged in each embodiment/comparative example, carry out the evaluation of taste flavor respectively.Wherein, with sweet taste, bitter taste, Astringent taste divides opinion rating from low to high as evaluation index with 0-5, and 0 point is evaluated as minimum, indicates "None", 5 points of evaluation highests, It indicates " full ".
As a result, it has been found that the product of embodiment 1-3 is without bitter taste and astringent taste, and sweet taste is felt good, and is had sweet well Taste flavor.Individually addition corn stigma or the comparative example B1-2 of STEVIA REBAUDIANA, although sweet taste is equally preferable, there is also certain Bitter taste and astringent taste, and manufactured comparative example B3-4 after it is mixed with the ratio of 1:1 or 1:3, are better than independent addition in sweet taste Comparative example in the case where, astringent taste mouthfeel is not present, but in terms of comprehensive, is still relatively worse than the product mouth of embodiment 1-3 on the whole Feel flavor.
Auxiliary hyperglycemic experiment
Auxiliary hyperglycemic effect possessed by fructus arctii solid beverage of the invention is to test to demonstrate,prove by reduction fasting blood-glucose below Real.
(1) materials and methods:
Experimental animal selection: 110 healthy kunming mices (20 ± 2g) are selected, 1 blank control group, 1 model pair are set According to group, 1 positive drug control group and administration group (including 3 embodiments, 1 comparative example A's group, 3 comparative example B groups), every group 10 Mouse.
(2) fasting blood-glucose experiment is reduced:
Mouse is selected to be grouped by the blood glucose level of fasting 3-5 hours, as blank control group.It is in addition to blank control group, remaining is small Mouse fasting 24 hours, alloxan 100mg/kg intraperitoneal injection is given, continues to give feed feeding 5 days, rear fasting 3-5 after injection Hour, blood glucose is surveyed, blood glucose value 10-25mmol/L is hyperglycemia model success animal.Select hyperglycemia model animal small by fasting 3-5 When blood glucose level grouping, wherein embodiment group/other stomach-filling of comparative example A's group/comparative example B component give accordingly be formulated it is tested Sample, dosage 0.5g/kg, same volume gastric infusion, once a day;Model control group give the stomach-filling of same volume solvent to Medicine, once a day;Positive drug control group, administration melbine, dosage 0.5g/kg, same volume gastric infusion, daily one It is secondary.Successive administration 32 days.Off-test groups of animals fasting 4 hours, detects fasting blood-glucose.Measurement result is shown in Table 3.
(3) experimental result
Embodiment is compared verifying with control group, comparative example.As a result as shown in the table:
The diabetogenic mechanism of alloxan be a species specific beta Cell of islet toxic agent, damage just to the property of can choose The beta Cell of islet of normal mouse, makes hypoinsulinism in body, so that blood glucose be made continually and steadily to increase and lead to diabetes. Therefore, in fasting blood sugar it can be seen from the measurement result of the fasting blood sugar of table 3, compared to the model that dosage is not added Control group, the embodiment and comparative example for adding various dose formula all have lower fasting blood sugar, show that it is phonetic to four oxygen Pyridine causes mouse hyperglycemia to have significant hypoglycemic effect, and implies that it may have protective effect to insulin β cell, can improve pancreas islet Plain hyposecretion can promote insulin β cells secrete insulin and hypoglycemic.But the quantification effect of different formulations is different, wherein The effect that the blood sugar decreasing effect of 1-3 of the embodiment of the present invention and positive controls generate quite or more preferably, and comparative example A/B effect It is worse compared with positive controls, it may be verified that the specific combination of corn stigma and the extract of STEVIA REBAUDIANA has certain after combining with fructus arctii Synergistic effect, be not the effect of simple superposition, such as it will be significantly better than comparative example on quantized data, even if for another example The composition type of raw material is identical but ratio is different from above-described embodiment group, and the actual effect reached may also have significantly Difference (such as comparative example B3-4).
In summary experimental result, by the variance analysis of data, the fasting blood-glucose of fructus arctii solid beverage of the invention is real Measured value reduction is statistically significant, can determine that the experimental result of above-described embodiment group reduction fasting blood-glucose is positive, has significant The effect of auxiliary hyperglycemic;And association is produced compared to the exclusive use of each raw material and other combination matchings, formula of the invention With the effect of synergy, the effect of the auxiliary hyperglycemic reached, the expection of those skilled in the art is also had exceeded.

Claims (10)

1. a kind of preparation method of fructus arctii solid beverage, which is characterized in that using radix bardanae as raw material, preparation method successively includes: Through pretreatment of raw material, freeze thawing treatment, maceration extract preparation, impregnation, drying process, frozen dried, pulverization process.
2. a kind of preparation method of fructus arctii solid beverage according to claim 1, which is characterized in that the preparation method comprises the following steps:
(1) using radix bardanae as raw material, after cleaned, peeling, bulk, color protection treatment pretreatment of raw material: are cut into;
(2) freeze thawing treatment: the fructus arctii block after color protection is subjected to freeze-thaw-freeze-thaw Frozen-thawed cycled, is freezed twice Temperature control in -10~-20 DEG C, freeze-off time 1-3h, natural thaw is to 0 DEG C of central temperature twice;
(3) prepared by maceration extract: taking corn stigma and STEVIA REBAUDIANA, mixes after cleaning according to the mass ratio of 2-4:1, mixture is according to material Liquor ratio 1:30-50(m/v) ratio be added distilled water, impregnate 1-2h, water extract when use ultrasonic wave batch process, in 300- 5-10min per treatment under the conditions of 500W, 30-60 DEG C stands 5min, 5-10min is then sonicated, then stand 5min, with this Recycle extraction process 30-90min;Water intaking extracting solution, is centrifuged, takes supernatant, is concentrated into concentration 10-30%(w/w), it must impregnate Liquid;
(4) impregnation: step (2) the fructus arctii block that treated being impregnated in maceration extract obtained by step (3), low temperature dipping, 5-15 DEG C of dipping temperature, dip time 1-2h;
(5) it is dried: the fructus arctii block after taking impregnation, after draining surface, the low temperature drying 0.5- under the conditions of 30-60 DEG C 1h;
(6) frozen dried: the fructus arctii block after drying is placed in vacuum freeze drier, first the pre-freeze 3- at -30~-50 DEG C 6h, freezes rapidly and to deep colling, then 3-6h is kept under the conditions of vacuum degree -5~-10Pa, protects under the conditions of 40-50 DEG C of sublimation temperature 5-10h is held, keeps 5-10h under the conditions of 50-60 DEG C of resolution temperature, until moisture content 2-4%;
(7) pulverization process: in the case where protecting gas nitrogen environment, will through step (6), treated that freeze-dried burdock block pulverizes, Then cross 300-1000 mesh to get.
3. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (1) In pretreatment of raw material, it is cut into the bulk of side length 1-3cm.
4. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (2) In freeze thawing treatment, the fructus arctii block after color protection is subjected to freeze-thaw-freeze-thaw Frozen-thawed cycled, for the first time the temperature of freezing Degree control in the control of -10 DEG C, first time freeze-off time 2h, second cryogenic temperatures at -20 DEG C, second of freeze-off time 2h, two Secondary natural thaw is to 0 DEG C of central temperature.
5. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (3) In maceration extract preparation, corn stigma and STEVIA REBAUDIANA are taken, is mixed after cleaning according to the mass ratio of 3.5:1.
6. a kind of preparation method of fructus arctii solid beverage according to claim 5, which is characterized in that the step (3) In maceration extract preparation, distilled water is added according to the ratio of solid-liquid ratio 1:45(m/v) in mixture, 2h is impregnated, using super when water extracts Sound wave batch process, the 10min per treatment under the conditions of 400W, 50 DEG C stand 5min, are then sonicated 10min, then stand 5min recycles extraction process 90min with this;Water intaking extracting solution, is centrifuged, takes supernatant, is concentrated into concentration 25%(w/w), it must soak Stain liquid.
7. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (4) In impregnation, 10 DEG C of low temperature dipping temperature, dip time 1.5h.
8. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (5) In drying process, the low temperature drying 1h under the conditions of 50 DEG C.
9. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (6) In frozen dried, the fructus arctii block after drying is placed in vacuum freeze drier, first the pre-freeze 3-6h at -30~-50 DEG C, rapidly Freeze and to deep colling, then keep 5h under the conditions of vacuum degree 7Pa, keeps 8h under the conditions of 45 DEG C of sublimation temperature, 55 DEG C of resolution temperature Under the conditions of keep 8h, until moisture content 2-4%.
10. a kind of preparation method of fructus arctii solid beverage according to claim 2, which is characterized in that the step (7) In pulverization process, in the case where protecting gas nitrogen environment, freeze-dried burdock block is pulverized, then cross 600 meshes to get.
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