Solid vitis davidii brewing beverage and preparation method thereof

Abstract

The invention discloses a vitis davidii solid brewing beverage and a preparation method thereof, and belongs to the field of food processing.The first aspect of the invention provides the vitis davidii solid brewing beverage which is prepared from, by weight, 40-60 parts of radix puerariae powder, 15-25 parts of vitis davidii extract, 10-21 parts of rubusoside and 10-20 parts of maltodextrin. On the second aspect, the invention provides a preparation method of the vitis davidii solid-state brewing beverage, and the vitis davidii solid-state brewing beverage prepared by the preparation method has the effects of being free of sugar, low in calorie and suitable for people who lose weight and diabetics to eat; experiments prove that the brewing beverage provided by the invention is good in taste; safety and nutrition are realized.

Description

Technical Field

[0001] The present invention relates to a beverage and a preparation method thereof, and particularly to a solid instant beverage made from Vitis davidii Foex and a preparation method thereof. Background Art

[0002] With the rapid development of the economy and the increasing living standards of people, people pay more and more attention to nutrition and health care. Consumers' demand for beverages has no longer been satisfied with the simple functions of quenching thirst and being palatable, but they hope to avoid beverages with high sugar and high fat. Therefore, low-fat and low-sugar beverages are increasingly attracting the attention of specific groups such as obesity patients and diabetes patients. Therefore, the research and development of such beverages can meet the consumption needs of this part of the population. Summary of the Invention

[0003] To solve the above technical problems, the present invention provides a solid instant beverage made from Vitis davidii Foex and a preparation method thereof.

[0004] In the first aspect, the present invention provides a solid instant beverage made from Vitis davidii Foex, which comprises, by weight: 40 - 60 parts of kudzu root powder, 15 - 25 parts of Vitis davidii Foex extract, 10 - 21 parts of rubusoside, and 10 - 20 parts of maltodextrin.

[0005] Further, the kudzu root powder is 50 parts, the Vitis davidii Foex extract is 24 parts, the rubusoside is 21 parts, and the maltodextrin is 20 parts.

[0006] In the first aspect, the present invention provides a preparation method of a solid instant beverage made from Vitis davidii Foex, which is used to prepare the solid instant beverage made from Vitis davidii Foex according to claim 1 or 2, and comprises the following steps:

[0007] S1 Select kudzu root raw materials, Vitis davidii Foex raw materials and rubus raw materials, wash them respectively, and remove the grape skins and grape seeds of Vitis davidii Foex;

[0008] S2 Immerse the three raw materials in 1% sodium hypochlorite by volume for 15 min for disinfection, wash them 3 times with deionized water, slightly dry them, and then immerse them in a 25°C water bath for 4 h;

[0009] S3 Disinfection and drying: Immerse the three raw materials treated in S2 in a 1% - 4% H2O2 solution for 15 min for disinfection, then rinse them clean with pure water, drain the water, and place them in a forced-air drying oven to dry at 70°C - 80°C for 10 - 12 h;

[0010] S4 Crushing and sieving: Crush the dried raw materials for later use;

[0011] S5 Extract Vitis davidii Foex extract from the Vitis davidii Foex powder;

[0012] S6 Extract rubusoside from the rubus powder;

[0013] S7 The obtained Vitis davidii Foex extract and rubusoside are dried in an oven to form a powder.

[0014] S8 Mix kudzu root powder, Vitis davidii Foex extract, rubusoside, and maltodextrin, place them in warm water at 70 °C, stir evenly and season.

[0015] S9 Spray drying

[0016] S10 Final product packaging.

[0017] Furthermore, in step S4, the raw materials are crushed to 200 mesh - 220 mesh.

[0018] Furthermore, the extraction method in step S5 is as follows:

[0019] Dissolve the Vitis davidii Foex powder in an alkaline solution at 4 °C, refrigerate overnight at 4 °C, then filter by suction. Adjust the pH value of the filtrate to 6, add 95% ethanol, and let it stand overnight at 4 °C;

[0020] Centrifuge to obtain the precipitate, and perform running water dialysis for 2 days;

[0021] Wash successively with distilled water, absolute ethanol, acetone, and ether, then vacuum dry and freeze dry to obtain the crude Vitis davidii Foex extract;

[0022] Weigh the above-mentioned crude product, dissolve it in dimethyl sulfoxide, stir with a magnetic stirrer at room temperature for 15 h, then add distilled water and continue stirring for 20 min, let it stand for 2 h, and centrifuge to obtain the precipitate;

[0023] Wash the precipitate successively with absolute ethanol, acetone, and ether, and then freeze dry to obtain the pure Vitis davidii Foex extract.

[0024] Furthermore, the water needs to be changed every 6 hours during running water dialysis.

[0025] Furthermore, in step S7, the oven temperature is 40 °C and the drying time is 4 h.

[0026] Furthermore, the extraction method in step S6 is as follows: Take rubus powder, use 50% ethanol as the extraction solution, extract by ultrasonic method, and then filter.

[0027] In summary, the present invention has the following beneficial effects compared with the prior art:

[0028] As can be seen from the above technical solutions, the Vitis davidii Foex solid instant beverage and its preparation method provided by the present invention have the following technical effects: sugar-free, low in calories, suitable for weight loss people and diabetic patients to consume; verified by experiments, the instant beverage provided by the present invention has a good taste; safe and nutritious. Detailed implementation manners

[0029] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form can also include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0032] To further illustrate the present invention, the following is described through specific embodiments. The scoring of the following tests uses sensory scoring and is carried out according to the national standard sensory evaluation indicators of instant beverages in the following table:

[0033]

[0034] Composition of the evaluation personnel: 40 quality control personnel are selected and divided into four groups of 10 people each to form a DSA evaluation group.

[0035] Example 1

[0036] The solid instant beverage of Vitis davidii Foex provided in the first embodiment of the present invention, by weight, includes:

[0037] 50 parts of kudzu root powder, 24 parts of Vitis davidii Foex extract, 21 parts of rubusoside, and 20 parts of maltodextrin.

[0038] The method for preparing the solid instant beverage of Vitis davidii Foex in Example 1 includes the following steps:

[0039] S1 Select raw materials of kudzu root, Vitis davidii Foex, and rubusoside, wash them separately, and remove the grape skins and seeds of Vitis davidii Foex;

[0040] S2 Soak the three raw materials in sodium hypochlorite with a volume fraction of 1% for 15 minutes for disinfection, wash them 3 times with deionized water, slightly dry them, and then soak them in a 30°C water bath for 4 hours;

[0041] S3 Disinfection and drying: Soak the three raw materials treated in S2 in a 2% H2O2 solution for 15 minutes for disinfection, then rinse them thoroughly with pure water, drain the water, and place them in a forced-air drying oven to dry at 70°C for 12 hours;

[0042] S4 Crushing and sieving: Crush the dried raw materials to 200 meshes for use;

[0043] S5 Extract Vitis davidii Foex extract from Vitis davidii Foex powder;

[0044] S6 Extract rubusoside from rubusoside powder: Take 1 g of rubusoside medicinal material powder, accurately weigh it, use 50% ethanol as the extraction solution, extract it by ultrasonic method, filter it, make up the volume to 50 ml, and centrifuge;

[0045] S7 The extracted Vitis davidii Foex extract and rubusoside are dried in an oven at 40°C for 4 hours to form a powder.

[0046] S8 Mix kudzu root powder, Vitis davidii Foex extract, rubusoside, and maltodextrin, place them in warm water at 70°C, stir well and season.

[0047] S9 Spray drying;

[0048] S10 Final product packaging.

[0049] The extraction method in step S5 is as follows:

[0050] Dissolve 10 g of Vitis davidii Foex powder in 2000 ml of 0.15 mol / L NaOH solution at 4°C, stir until the powder dissolves. At this time, the solution is in a viscous state. After refrigerating overnight at 4°C or below 4°C, filter by suction. Adjust the pH value of the filtrate to 6 with 10% acetic acid solution, add an equal volume of 95% ethanol, and place at 4°C overnight.

[0051] Centrifuge at 8000 r / min to obtain the precipitate, and dialyze with running water for 2 days.

[0052] Wash successively with distilled water, absolute ethanol, acetone, and ether, then dry under reduced pressure and freeze-dry to obtain a crude product of Vitis davidii Foex extract in the form of pale yellow fine granular crystals.

[0053] Accurately weigh 5 g of the above-mentioned crude product, dissolve it in 500 ml of dimethyl sulfoxide, stir with a magnetic stirrer at room temperature for 15 hours, then add 500 ml of distilled water and continue to stir for 20 minutes. Let it stand for 2 hours, and centrifuge at 8000 r / min to obtain the precipitate.

[0054] Wash the precipitate successively with absolute ethanol, acetone, and ether, and then freeze-dry to obtain the pure product of Vitis davidii Foex extract.

[0055] The dialysis bag needs to be treated, and the water needs to be changed every 6 hours during dialysis with running water. The concentration of the extracted Vitis davidii Foex extract is 80%.

[0056] Example 2

[0057] The Vitis davidii Foex solid instant beverage provided in the second embodiment of the present invention includes, by weight:

[0058] 40 parts of the kudzu root powder, 15 parts of the Vitis davidii Foex extract, 10 parts of the rubusoside, and 10 parts of the maltodextrin.

[0059] The method for preparing the Vitis davidii Foex solid instant beverage in Example 2 includes the following steps:

[0060] S1 Select raw kudzu root materials, Vitis davidii Foex raw materials, and rubus raw materials, wash them respectively, and remove the grape skins and grape seeds of the Vitis davidii Foex.

[0061] After soaking the three raw materials in sodium hypochlorite with a volume fraction of 1% for 15 minutes for disinfection, wash them 3 times with deionized water, slightly dry them, and then soak them in a water bath at 30°C for 4 hours.

[0062] Disinfect and dry. Soak the three raw materials treated in S2 in a 4% H2O2 solution for 15 minutes for disinfection, then rinse them thoroughly with pure water, drain the water, and place them in a forced-air drying oven to dry at 80°C for 10 hours.

[0063] Crush and sieve: Crush the dried raw materials to 200 mesh for use.

[0064] S5 Extract the vitis davidii romanet extract from the vitis davidii romanet powder.

[0065] S6 Extract rubus suavissimus s.lee from the rubus suavissimus s.lee powder: Weigh accurately 1 g of the rubus suavissimus s.lee medicinal material powder, use 50% ethanol as the extraction solution, extract by ultrasonic method and then filter, make up the volume to 50 ml, and centrifuge.

[0066] S7 Dry the extracted vitis davidii romanet extract and rubus suavissimus s.lee in an oven to form a powder. The oven temperature is 40°C and the drying time is 4 hours.

[0067] S8 Mix kudzu root powder, vitis davidii romanet extract, rubus suavissimus s.lee, and maltodextrin, place them in warm water at 70°C, stir evenly and season.

[0068] S9 Spray drying.

[0069] S10 Pack the finished product.

[0070] The extraction method in step S5 is as follows:

[0071] Dissolve 10 g of vitis davidii romanet powder in 2000 ml of NaOH solution with a concentration of 0.15 mol / L at 4°C, stir until the powder dissolves. At this time, the solution is in a viscous state. After refrigerating overnight at 4°C or below 4°C, filter by suction. Adjust the pH value of the filtrate to 6 with 10% acetic acid solution, add an equal volume of 95% ethanol, and place it at 4°C overnight.

[0072] Centrifuge at 8000 r / min to obtain the precipitate, and dialyze with running water for 2 days.

[0073] Wash successively with distilled water, absolute ethanol, acetone, and ether, then drain under reduced pressure and freeze-dry to obtain the crude vitis davidii romanet extract in the form of pale yellow fine granular crystals.

[0074] Accurately weigh 5 g of the above-mentioned crude product, dissolve it in 500 ml of dimethyl sulfoxide, stir with a magnetic stirrer at room temperature for 15 hours, then add 500 ml of distilled water and continue to stir for 20 minutes, let it stand for 2 hours, and centrifuge at 8000 r / min to obtain the precipitate.

[0075] The precipitate was washed with anhydrous ethanol, acetone and ether in sequence and freeze-dried to obtain the pure extract of Vitis thornysis.

[0076] The dialysis bag needs to be treated, and the water needs to be changed every 6 hours during running water dialysis. The concentration of the extracted thorny grape extract is 80%.

[0077] Example 3

[0078] The thorn grape solid instant beverage provided in the third embodiment of the present invention comprises, by weight:

[0079] The kudzu root powder is 60 parts, the thorn grape extract is 23 parts, the sucrose tea is 21 parts, and the maltodextrin is 20 parts.

[0080] The method for preparing the thorny grape solid instant beverage in Example 3 comprises the following steps:

[0081] S1 Select kudzu root raw materials, thorny grape raw materials and sweet tea raw materials, wash them separately, and remove the grape skin and grape seeds of the thorny grape;

[0082] S2: The three raw materials were respectively soaked in 1% sodium hypochlorite for 15 min for disinfection, then washed with deionized water for 3 times, dried slightly, and soaked in a 30°C water bath for 4 h;

[0083] S3 disinfection and drying: the three raw materials treated in S2 are soaked in a 3% H2O2 solution for 15 minutes for disinfection, then rinsed with pure water, drained, and placed in a blast drying oven at 75°C for 11 hours;

[0084] S4 crushing and screening: crush the dried raw materials to 200 mesh for later use;

[0085] S5 extracts the Vitis thornii extract from Vitis thornii powder;

[0086] S6 Extraction of sweet tea in sweet tea powder: Take 1g of sweet tea powder, weigh accurately, use 50% ethanol as extraction solution, extract by ultrasonic method, filter, dilute to 50ml, and centrifuge;

[0087] S7: drying the extracted thorny grape extract and sweet tea extract in an oven to form powder, with the oven temperature at 40° C. and the drying time at 4 h;

[0088] S8: Mix kudzu root powder, thorn grape extract, sweet tea extract and maltodextrin, put them in 70℃ warm water, stir evenly and season;

[0089] S9 spray drying;

[0090] S10 finished product packaging.

[0091] The extraction method of step S5 is:

[0092] Dissolve 10 g of Vitis davidii Foex powder in 2000 ml of 0.15 mol / L NaOH solution at 4°C, and stir until the powder is dissolved. At this time, the solution is in a viscous state. After refrigerating overnight at 4°C or below 4°C, filter by suction. Adjust the pH value of the filtrate to 6 with 10% acetic acid solution, add an equal volume of 95% ethanol, and place it at 4°C overnight.

[0093] Centrifuge at 8000 r / min to obtain the precipitate, and dialyze against running water for 2 days.

[0094] Wash successively with distilled water, absolute ethanol, acetone, and ether, then dry under reduced pressure and freeze-dry to obtain a crude product of Vitis davidii Foex extract in the form of pale yellow fine granular crystals.

[0095] Accurately weigh 5 g of the above crude product, dissolve it in 500 ml of dimethyl sulfoxide, stir with a magnetic stirrer at room temperature for 15 h, then add 500 ml of distilled water and continue stirring for 20 min. Let it stand for 2 h, and centrifuge at 8000 r / min to obtain the precipitate.

[0096] Wash the precipitate successively with absolute ethanol, acetone, and ether, and then freeze-dry to obtain the pure product of Vitis davidii Foex extract.

[0097] The dialysis bag needs to be treated, and the water should be changed every 6 hours during dialysis against running water. The concentration of the extracted Vitis davidii Foex extract is 80%.

[0098] The sensory scores of the above three examples are shown in the following table:

[0099]

[0100] Measure the GI values of the above three examples, and the results are shown in the following table:

[0101]

[0102]

[0103] The beverage provided by the present invention designed an orthogonal experiment according to the following L9(34) orthogonal table.

[0104]

[0105] The results of the orthogonal experiment are shown in the following table. It can be clearly seen from the orthogonal experiment the influence of beverages with different process parameter formulations on the sensory score:

[0106]

[0107] The optimal technological parameters obtained from the orthogonal experiment are as follows: when the addition amount of kudzu root powder is 50 parts, the addition amount of vitis davidii foex extract is 24 parts, the addition amount of rubus suavissimus s.lee extract is 21 parts, and the addition amount of maltodextrin is 20 parts, the sensory quality of the prepared solid instant sugar-free vitis davidii foex beverage is the best, with good nutrition, taste and stable quality; the sweetness is moderate, the instant property is good, and it has the due flavor and sensory quality of this variety.

[0108] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A solid instant beverage made from Vitis davidii Foex, characterized in that, By weight parts, it includes: 40 - 60 parts of kudzu root powder, 15 - 25 parts of extract of Vitis davidii Foex, 10 - 21 parts of rubusoside, 10 - 20 parts of maltodextrin.

2. The solid instant beverage of Vitis davidii Foex according to claim 1, wherein The kudzu root powder is 50 parts, the extract of Vitis davidii Foex is 24 parts, the rubusoside is 21 parts, and the maltodextrin is 20 parts.

3. A preparation method of a solid instant beverage made from Vitis davidii Foex, which is used to prepare the solid instant beverage made from Vitis davidii Foex as claimed in claim 1 or 2, characterized in that, It includes the following steps: S1 Select raw materials of kudzu root, Vitis davidii Foex and rubus, wash them respectively and remove the grape skins and seeds of Vitis davidii Foex. S2 Immerse the three raw materials in sodium hypochlorite with a volume fraction of 1% for 15 min for disinfection respectively, wash them 3 times with deionized water, slightly dry them and then immerse them in a water bath at 25°C for 4 h. S3 Disinfection and drying: Immerse the three raw materials treated in S2 in a H2O2 solution with a concentration of 1% - 4% for 15 min for disinfection, then rinse them clean with pure water, drain the water, and place them in a blast drying oven to dry at 70°C - 80°C for 10 - 12 h. S4 Crushing and sieving: Crush the dried raw materials for later use. S5 Extract the extract of Vitis davidii Foex from the powder of Vitis davidii Foex. S6 Extract rubusoside from the powder of rubus. S7 Dry the extracted extract of Vitis davidii Foex and rubusoside in an oven to form powder. S8 Mix the kudzu root powder, extract of Vitis davidii Foex, rubusoside and maltodextrin, place them in warm water at 70°C, stir evenly and season. S9 Spray drying. S10 Finished product packaging.

4. The preparation method of the solid instant drink of Vitis davidii Foex according to claim 3, characterized in that, In step S4, the raw materials are crushed to 200 - 220 meshes.

5. The preparation method of the solid instant beverage of Vitis davidii Foex according to claim 3, characterized in that, The extraction method in step S5 is: Dissolve the powder of Vitis davidii Foex in an alkali solution at 4°C, filter it after refrigerating overnight at 4°C, adjust the pH value of the filtrate to 6, and add 95% ethanol and place it at 4°C overnight. Centrifuge to obtain the precipitate and dialyze it with running water for 2 days. Wash it successively with distilled water, absolute ethanol, acetone and ether, then vacuum-dry it and freeze-dry it to obtain the crude extract of Vitis davidii Foex. Weigh the above crude product, dissolve it in dimethyl sulfoxide, stir it with a magnetic stirrer at room temperature for 15 h, then add distilled water and continue to stir for 20 min, let it stand for 2 h, and centrifuge to obtain the precipitate. Wash the precipitate successively with absolute ethanol, acetone and ether, and freeze-dry it to obtain the pure extract of Vitis davidii Foex.

6. The preparation method of the solid instant beverage of Vitis davidii Foex according to claim 5, characterized in that, Replace the water once every 6 hours during dialysis with running water.

7. The preparation method of the solid instant drink of Vitis davidii Foex according to claim 3, characterized in that In step S7, the oven temperature is 40°C and the drying time is 4 h.

8. The preparation method of the solid instant beverage of Vitis davidii Foex according to claim 3, characterized in that, The extraction method in step S6 is: Take the powder of rubus, use 50% ethanol as the extraction solution, extract it by ultrasonic method and then filter.

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