阅读说明：本技术 一种祁菊花水制备方法 (Preparation method of keemun chrysanthemum water ) 是由 尹帅 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种祁菊花水制备方法,涉及保健饮品领域。该祁菊花水制备方法,包括高压清理、加压浸泡、均质混合和过滤离心四个步骤。该祁菊花水制备方法,利用高压水枪喷出的高速水流对祁菊进行冲洗处理,使得祁菊在高压水流作用下破碎分散,祁菊中夹杂的灰尘杂质随即得到充分冲洗,相较于大多工艺方法采用的普通冲洗和浸泡手段,该清理手段能够最大程度地将灰尘杂质冲洗而走,提升清洗效果,进而保障了后续祁菊花水成品的质量,操作简单方便,高效实用,利于推广和使用,浸泡萃取过程中利用增压的方式提升祁菊中物质析出速率,提升祁菊与水混合质量,进而提升工艺方法整体的效率和效果。(The invention discloses a preparation method of keemun chrysanthemum water, and relates to the field of health-care drinks. The preparation method of the keemun chrysanthemum water comprises four steps of high-pressure cleaning, pressurized soaking, homogeneous mixing and filtration and centrifugation. This keemun chrysanthemum water preparation method, utilize high-pressure squirt spun high-speed rivers to wash keemun chrysanthemum, make keemun chrysanthemum broken dispersion under the high-pressure rivers effect, the dust impurity that mix with in the keemun chrysanthemum obtains fully immediately, compare in the ordinary means of washing and soaking that most process method adopted, this clearance means can wash dust impurity and walk to the utmost, promote the cleaning performance, and then follow-up keemun chrysanthemum water off-the-shelf quality has been ensured, easy operation is convenient, high efficiency and practicality, do benefit to popularization and use, it promotes keemun chrysanthemum in the mode of utilizing the pressure boost to soak in the extraction process and separates out speed to promote the material, promote keemun chrysanthemum and water mixing quality, and then promote holistic efficiency and the effect of process method.)

1. A preparation method of keemun chrysanthemum water is characterized by comprising the following steps:

s1 high-pressure cleaning

Taking fresh keemun chrysanthemum, uniformly spreading the keemun chrysanthemum on a filter screen, spraying high-speed water flow to the keemun chrysanthemum by using a high-pressure water gun to wash the keemun chrysanthemum, ensuring that the keemun chrysanthemum is broken and dispersed under the action of the high-pressure water flow, and draining residual water on the keemun chrysanthemum for later use;

s2, pressure soaking

a) Collecting drained keemun chrysanthemum and sending the keemun chrysanthemum into a preheating kettle, adding deionized water into the preheating kettle, closing the preheating kettle, pressurizing the preheating kettle by using an air booster pump, keeping the constant pressure after the air pressure in the preheating kettle is increased to 0.66-0.78MPa, and simultaneously controlling a stirring component in the preheating kettle to stir and mix the keemun chrysanthemum and the deionized water;

b) stirring and mixing for 60-90min, heating the heating part in the preheating kettle, controlling the temperature in the preheating kettle to 42-56 deg.C, controlling the air booster pump to reduce the pressure in the preheating kettle to 0.53-0.59MPa, and continuously pressurizing, heating and soaking for 90-120min to obtain mother liquor of QIJU flower water;

s3, homogenizing and mixing

a) Pouring preheated Keemun flower water mother liquor and ingredients into a homogenizer, adding a corresponding amount of water into the homogenizer, controlling the homogenizer to carry out homogenization, starting the first-stage homogenization, controlling the pressure in the homogenizer to be 17.8-18.8MPa, and controlling the homogenization time to be 10-20 min;

b) after the first stage of homogenization, closing the homogenizer, after the pressure in the homogenizer is reduced to normal pressure, opening the homogenizer, adding the auxiliary agent into the homogenizer, then starting the homogenizer again, starting the second stage of homogenization, controlling the pressure in the homogenizer to be increased to 2.6-3.8MPa, continuing to homogenize for 10-20min, repeating the steps, adding water into the homogenizer, starting the third stage of homogenization, and obtaining the keemun chrysanthemum water primary pulp after the three stages of homogenization;

s4, filtration and centrifugation

a) Arranging an interception net at a feed inlet of a centrifuge, pouring the keemun chrysanthemum water primary pulp into the centrifuge from a homogenizer through the interception net, controlling the centrifuge to carry out centrifugal treatment on the keemun chrysanthemum water primary pulp after filtration, controlling the rotation speed of the centrifuge to 2100 plus materials and 2400rpm, closing the centrifuge after centrifugation for 10-15min, standing for 5min, and taking the keemun chrysanthemum water supernatant;

b) and (3) putting the supernatant of the keemun chrysanthemum water obtained after centrifugation into a transparent container for storage, and then sending the supernatant of the keemun chrysanthemum water in the transparent container into ultraviolet sterilization equipment for sterilization to obtain the finished product of the keemun chrysanthemum water.

2. The preparation method of keemun flower water according to claim 1, wherein: in the high-pressure cleaning step, the parallel distance between a spray nozzle of a high-pressure water gun and the Qiju is 30-40cm, the water spray flow of the high-pressure water gun is 10L/min, and the water spray time of the high-pressure water gun is calculated according to the area of a sample: 1min/dm, the working pressure of the high-pressure water gun is less than or equal to 1.1-1.3 MPa.

3. A method for preparing keemun flower water according to claim 2, wherein: the size of the filter screen used in the high-pressure cleaning step is 30-60 meshes.

4. The preparation method of keemun flower water according to claim 1, wherein: in the step of pressure soaking, the ratio of the amount of deionized water added into the preheating kettle to the weight of the keemun chrysanthemum is 80-90: 1, controlling the rotating speed of a stirring part in the preheating kettle to be 48-96 rpm.

5. The preparation method of keemun flower water according to claim 1, wherein: the amount of water added into the homogenizer in the homogenizing and mixing step is 10-20 times of the amount of the Keemus keemun flower water mother liquor.

6. A method for preparing keemun flower water according to claim 5, wherein: the ingredients added into the homogenizer in the homogenizing and mixing step comprise the following raw materials in parts by weight: 4-6% of white granulated sugar, 3-5% of fructose-glucose syrup, 3-3% of vitamin C2 and the balance of water, wherein the ratio of the ingredients to the Keemun flower water mother liquor is 1: 1.

7. a method for preparing keemun flower water according to claim 6, wherein: the auxiliary agent added into the homogenizer in the homogenizing and mixing step comprises the following raw materials in parts by weight: 6-8% of malic acid, 2-3% of sodium bicarbonate and the balance of water, wherein the ratio of the auxiliary agent to the Keemun flower water mother liquor is 1: 2-4.

8. The preparation method of keemun flower water according to claim 1, wherein: the third section of homogenizing conditions in the homogenizing and mixing step are the same as the second homogenizing conditions, and the size of the interception net used in the filtering and centrifuging step is 210-240 meshes.

Technical Field

The invention relates to the technical field of health-care drinks, in particular to a preparation method of keemun chrysanthemum water.

Background

The keemun chrysanthemum is mainly divided into medicine and food dual-purpose and medicinal: the chrysanthemum has the effects of dispelling wind and heat, clearing liver and improving vision, is mainly used for treating diseases such as exogenous wind heat, dizziness and headache and the like, and has the effects of avoiding summer heat, relieving restlessness, clearing heart and improving vision; eating: the chrysanthemum congee, chrysanthemum tea, chrysanthemum wine, chrysanthemum water and chrysanthemum concentrated granules have the effects of calming the liver, improving eyesight, dispelling wind and clearing heat.

Some scented tea health-care drinks sold in the market at present have the problems that the flower raw materials are not thoroughly cleaned and nutritional ingredients are damaged by high-temperature treatment in the production and processing processes, for example, the invention patent with the publication number of CN112293625A lacks cleaning means for the flower raw materials before preparation, more dust and impurities are mixed in the flower raw materials, the quality of finished products of the drinks is influenced, and the flower raw materials are treated by high-temperature treatment means such as boiling, decoction and the like for many times in the process steps, so that the nutritional ingredients in the flower raw materials are greatly damaged, the actual efficacy of the scented tea health-care drinks is influenced, and the popularization and the use are not facilitated.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a preparation method of keemun chrysanthemum water, which can solve the problems that flower raw materials are not cleaned properly in process steps and nutrient components are damaged by high-temperature treatment means.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of keemun chrysanthemum water comprises the following steps:

step one, high-pressure cleaning

Taking fresh keemun chrysanthemum, uniformly spreading the keemun chrysanthemum on a filter screen, spraying high-speed water flow to the keemun chrysanthemum by using a high-pressure water gun to wash the keemun chrysanthemum, ensuring that the keemun chrysanthemum is broken and dispersed under the action of the high-pressure water flow, and draining residual water on the keemun chrysanthemum for later use;

step two, pressure soaking

a) Collecting drained keemun chrysanthemum and sending the keemun chrysanthemum into a preheating kettle, adding deionized water into the preheating kettle, closing the preheating kettle, pressurizing the preheating kettle by using an air booster pump, keeping the constant pressure after the air pressure in the preheating kettle is increased to 0.66-0.78MPa, and simultaneously controlling a stirring component in the preheating kettle to stir and mix the keemun chrysanthemum and the deionized water;

b) stirring and mixing for 60-90min, controlling a heating part in the preheating kettle to heat, controlling the temperature in the preheating kettle to 42-56 ℃, controlling an air booster pump to reduce the air pressure in the preheating kettle to 0.53-0.59MPa, continuously pressurizing, heating and soaking for 90-120min to obtain a Qiju water mother solution, and increasing the substance precipitation rate in the Qiju in the soaking and extracting process by a pressurization mode to improve the mixing quality of the Qiju and water;

step three, homogenizing and mixing

a) Pouring preheated Keemun flower water mother liquor and ingredients into a homogenizer, adding a corresponding amount of water into the homogenizer, controlling the homogenizer to carry out homogenization, starting the first-stage homogenization, controlling the pressure in the homogenizer to be 17.8-18.8MPa, and controlling the homogenization time to be 10-20 min;

b) after the first stage of homogenization, closing the homogenizer, after the pressure in the homogenizer is reduced to normal pressure, opening the homogenizer, adding the auxiliary agent into the homogenizer, then starting the homogenizer again, starting the second stage of homogenization, controlling the pressure in the homogenizer to be increased to 2.6-3.8MPa, continuing to homogenize for 10-20min, repeating the steps, adding water into the homogenizer, starting the third stage of homogenization, and obtaining the keemun chrysanthemum water primary pulp after the three stages of homogenization;

step four, filtering and centrifuging

a) Arranging an interception net at a feed inlet of a centrifuge, pouring the keemun chrysanthemum water primary pulp into the centrifuge from a homogenizer through the interception net, controlling the centrifuge to carry out centrifugal treatment on the keemun chrysanthemum water primary pulp after filtration, controlling the rotation speed of the centrifuge to 2100 plus materials and 2400rpm, closing the centrifuge after centrifugation for 10-15min, standing for 5min, and taking the keemun chrysanthemum water supernatant;

b) and (3) putting the supernatant of the keemun chrysanthemum water obtained after centrifugation into a transparent container for storage, and then sending the supernatant of the keemun chrysanthemum water in the transparent container into ultraviolet sterilization equipment for sterilization to obtain the finished product of the keemun chrysanthemum water.

Preferably, in the high-pressure cleaning step, the parallel distance between a nozzle of a high-pressure water gun and a qiju is 30-40cm, the water spraying flow of the high-pressure water gun is 10L/min, and the water spraying time of the high-pressure water gun is calculated according to the area of a sample: 1min/dm, the working pressure of a high-pressure water gun is less than or equal to 1.1-1.3MPa, dust impurities mixed in the Keemu can be fully washed immediately, and compared with common washing and soaking means adopted by most process methods, the cleaning means can wash away the dust impurities to the maximum extent, the cleaning effect is improved, and the quality of subsequent Keemu water finished products is further ensured.

Preferably, the size of the filter screen used in the high-pressure cleaning step is 30-60 meshes.

Preferably, in the step of pressure soaking, the ratio of the amount of deionized water added into the preheating kettle to the weight of the keemun chrysanthemum is 80-90: 1, the rotating speed of a stirring part in the preheating kettle is controlled to be 48-96rpm, and the Keemum keemun flower water mother liquor and the ingredients are mixed by various combined treatment means, so that the taste and drinking experience are ensured.

Preferably, the amount of water added to the homogenizer in the step of homogenizing and mixing is 10-20 times that of the keemun chrysanthemum water mother liquor.

Preferably, the ingredients added into the homogenizer in the homogenizing and mixing step comprise the following raw materials in parts by weight: 4-6% of white granulated sugar, 3-5% of fructose-glucose syrup, 3-3% of vitamin C2 and the balance of water, wherein the ratio of the ingredients to the Keemun flower water mother liquor is 1: 1.

preferably, the auxiliary agent added into the homogenizer in the homogenizing and mixing step comprises the following raw materials in parts by weight: 6-8% of malic acid, 2-3% of sodium bicarbonate and the balance of water, wherein the ratio of the auxiliary agent to the Keemun flower water mother liquor is 1: 2-4.

Preferably, the third-stage homogenization condition in the homogenizing and mixing step is the same as the second-stage homogenization condition, the size of an interception net used in the filtering and centrifuging step is 210-240 meshes, and various filtering means are matched to prevent solid substances in the keemun chrysanthemum from being mixed into a keemun chrysanthemum water finished product.

(III) advantageous effects

Compared with the prior art, the invention provides a preparation method of keemun chrysanthemum water, which has the following beneficial effects:

1. this keemun chrysanthemum water preparation method, utilize high-pressure squirt spun high-speed rivers to wash keemun chrysanthemum, make keemun chrysanthemum broken dispersion under the high-pressure rivers effect, the dust impurity that mix with in the keemun chrysanthemum obtains fully immediately, compare in the ordinary means of washing and soaking that most process method adopted, this clearance means can wash dust impurity and walk to the utmost, promote the cleaning performance, and then follow-up keemun chrysanthemum water off-the-shelf quality has been ensured, easy operation is convenient, high efficiency and practicality, do benefit to popularization and use, it promotes keemun chrysanthemum in the mode of utilizing the pressure boost to soak in the extraction process and separates out speed to promote the material, promote keemun chrysanthemum and water mixing quality, and then promote holistic efficiency and the effect of process method.

2. The preparation method of the keemun chrysanthemum water adopts a low-temperature mode to treat the keemun chrysanthemum in the processing steps of pressure soaking, homogeneous mixing and the like, compared with a partial high-temperature treatment means, the process method is milder, the damage to the keemun chrysanthemum is reduced, natural nutrient substances in the keemun chrysanthemum are reserved to a large extent, the guarantee is provided for the nutrient value of a keemun chrysanthemum water finished product, meanwhile, preheating stirring and homogenizing and centrifuging are carried out, the keemun chrysanthemum water mother liquor and ingredients are mixed through various combined processing means, and various filtering means are matched to prevent solid substances in the keemun chrysanthemum from being mixed into the keemun chrysanthemum water finished product, so that the taste and drinking experience are guaranteed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

a preparation method of keemun chrysanthemum water comprises the following steps:

step one, high-pressure cleaning

Adopt fresh qiju and evenly spread it with on the filter screen, the filter screen specification is 30 meshes, utilizes high-pressure squirt to spray high-speed rivers to qiju and wash it, and the shower nozzle water jet of high-pressure squirt is 30cm apart from the parallel distance of qiju, and high-pressure squirt water spray flow is 10L/min, and high-pressure squirt water spray time calculates according to the sample area: 1min/dm, wherein the working pressure of a high-pressure water gun is less than or equal to 1.1MPa, the qiju is ensured to be broken and dispersed under the action of high-pressure water flow, and the qiju is reserved for standby after residual moisture on the qiju is drained;

step two, pressure soaking

1) Collecting drained keemun chrysanthemum and sending the keemun chrysanthemum into a preheating kettle, and adding deionized water into the preheating kettle, wherein the ratio of the amount of the deionized water to the weight of the keemun chrysanthemum is 80: 1, closing a preheating kettle, pressurizing the preheating kettle by using an air booster pump, keeping constant after the air pressure in the preheating kettle is increased to 0.66MPa, and simultaneously controlling a stirring part in the preheating kettle to stir and mix Qiju and deionized water, wherein the rotating speed of the stirring part in the preheating kettle is controlled to be 48 rpm;

2) stirring and mixing for 60min, controlling heating part in the preheating kettle to heat, controlling temperature in the preheating kettle to 56 deg.C, controlling air booster pump to reduce air pressure in the preheating kettle to 0.53MPa, and continuously pressurizing, heating and soaking for 90min to obtain mother liquor of Keemus Keemum;

step three, homogenizing and mixing

1) Pouring preheated Keemun flower water mother liquor and ingredients into a homogenizer, wherein the ingredients comprise the following raw materials in parts by weight: white granulated sugar 4%, fructose-glucose syrup 3%, vitamin C2% and the balance of water, wherein the ratio of the ingredients to the Keemun flower water mother liquor is 1: 1, the weight of water is 10 times of that of a keemun chrysanthemum water mother solution, a corresponding amount of water is added into a homogenizer, the homogenizer is controlled to carry out homogenization, the first-stage homogenization is started, the pressure in the homogenizer is controlled to be 17.8MPa, and the homogenization time is controlled to be 10 min;

2) after the first section of homogenization, closing the homogenizer, after the pressure in the homogenizer is reduced to normal pressure, opening the homogenizer, and adding an auxiliary agent into the homogenizer, wherein the auxiliary agent comprises the following raw materials in parts by weight: 6% of malic acid, 2% of sodium bicarbonate and the balance of water, wherein the ratio of the auxiliary agent to the Keemun water mother liquor is 1: 2, restarting the homogenizer, starting a second-stage homogenization, controlling the pressure in the homogenizer to rise to 2.6MPa, continuing to homogenize for 10min, repeating the steps, adding water into the homogenizer, starting a third-stage homogenization under the same conditions as the second-stage homogenization, and obtaining keemun chrysanthemum water primary pulp after three-stage homogenization;

step four, filtering and centrifuging

1) Arranging an interception net at the feed inlet of the centrifuge, wherein the interception net is 210 meshes, pouring the keemun chrysanthemum water primary pulp into the centrifuge from the homogenizer through the interception net, controlling the centrifuge to carry out centrifugal treatment on the keemun chrysanthemum water primary pulp after filtration, controlling the rotation speed of the centrifuge to be 2100rpm, closing the centrifuge after 10min of centrifugation, standing for 5min, and taking keemun chrysanthemum water supernatant;

2) and (3) putting the supernatant of the keemun chrysanthemum water obtained after centrifugation into a transparent container for storage, and then sending the supernatant of the keemun chrysanthemum water in the transparent container into ultraviolet sterilization equipment for sterilization to obtain the finished product of the keemun chrysanthemum water.

Example two:

a preparation method of keemun chrysanthemum water comprises the following steps:

step one, high-pressure cleaning

Adopt fresh qiju and evenly spread it with on the filter screen, the filter screen specification is 45 meshes, utilizes high-pressure squirt to spray high-speed rivers to qiju and wash it, and the shower nozzle water jet of high-pressure squirt is 35cm apart from the parallel distance of qiju, and high-pressure squirt water spray flow is 10L/min, and high-pressure squirt water spray time calculates according to the sample area: 1min/dm, wherein the working pressure of a high-pressure water gun is less than or equal to 1.2MPa, the qiju is ensured to be broken and dispersed under the action of high-pressure water flow, and the qiju is reserved for standby after residual moisture on the qiju is drained;

step two, pressure soaking

1) Collecting drained keemun chrysanthemum and sending the keemun chrysanthemum into a preheating kettle, and adding deionized water into the preheating kettle, wherein the ratio of the amount of the deionized water to the weight of the keemun chrysanthemum is 85: 1, closing a preheating kettle, pressurizing the preheating kettle by using an air booster pump, keeping the pressure constant after the air pressure in the preheating kettle is increased to 0.72MPa, and simultaneously controlling a stirring part in the preheating kettle to stir and mix Qiju and deionized water, wherein the rotating speed of the stirring part in the preheating kettle is controlled to be 72 rpm;

2) stirring and mixing for 75min, controlling heating part in preheating kettle to heat, controlling temperature in preheating kettle to 49 deg.C, controlling air booster pump to reduce air pressure in preheating kettle to 0.56MPa, and continuously pressurizing, heating and soaking for 105min to obtain mother liquor of Keemus Keemum flower water;

step three, homogenizing and mixing

1) Pouring preheated Keemun flower water mother liquor and ingredients into a homogenizer, wherein the ingredients comprise the following raw materials in parts by weight: 5% of white granulated sugar, 4% of fructose-glucose syrup, 2.5% of vitamin C and the balance of water, wherein the ratio of the ingredients to the Keemun water mother liquor is 1: 1, the weight of water is 15 times of the weight of Keemun water mother liquor, corresponding amount of water is added into a homogenizer, the homogenizer is controlled to carry out homogenization, the first-stage homogenization is started, the pressure in the homogenizer is controlled to be 18.3MPa, and the homogenization time is controlled to be 15 min;

2) after the first section of homogenization, closing the homogenizer, after the pressure in the homogenizer is reduced to normal pressure, opening the homogenizer, and adding an auxiliary agent into the homogenizer, wherein the auxiliary agent comprises the following raw materials in parts by weight: 7% of malic acid, 2.5% of sodium bicarbonate and the balance of water, wherein the ratio of the auxiliary agent to the Keemun flower water mother liquor is 1: 3, restarting the homogenizer, starting a second-stage homogenization, controlling the pressure in the homogenizer to rise to 3.2MPa, continuing to homogenize for 15min, repeating the steps, adding water into the homogenizer, starting a third-stage homogenization under the same conditions as the second-stage homogenization, and obtaining keemun chrysanthemum water primary pulp after three-stage homogenization;

step four, filtering and centrifuging

1) Arranging an interception net at a feed inlet of the centrifuge, wherein the interception net is 225 meshes, pouring the keemun chrysanthemum water primary pulp into the centrifuge from the homogenizer through the interception net, controlling the centrifuge to centrifuge the keemun chrysanthemum water primary pulp after filtration, controlling the rotation speed of the centrifuge to 2250rpm, centrifuging for 12.5min, closing the centrifuge, standing for 5min, and taking keemun chrysanthemum water supernatant;

2) and (3) putting the supernatant of the keemun chrysanthemum water obtained after centrifugation into a transparent container for storage, and then sending the supernatant of the keemun chrysanthemum water in the transparent container into ultraviolet sterilization equipment for sterilization to obtain the finished product of the keemun chrysanthemum water.

Example three:

a preparation method of keemun chrysanthemum water comprises the following steps:

step one, high-pressure cleaning

Adopt fresh qiju and evenly spread it and on the filter screen, the filter screen specification is 60 meshes, utilizes high-pressure squirt to spray high-speed rivers to qiju and wash it, and the shower nozzle water jet of high-pressure squirt is 40cm apart from the parallel distance of qiju, and high-pressure squirt water spray rate is 10L/min, and high-pressure squirt water spray time calculates according to the sample area: 1min/dm, wherein the working pressure of a high-pressure water gun is less than or equal to 1.3MPa, the qiju is ensured to be broken and dispersed under the action of high-pressure water flow, and the qiju is reserved for standby after residual moisture on the qiju is drained;

step two, pressure soaking

1) Collecting drained keemun chrysanthemum and sending the keemun chrysanthemum into a preheating kettle, and adding deionized water into the preheating kettle, wherein the ratio of the amount of the deionized water to the weight of the keemun chrysanthemum is 90: 1, closing a preheating kettle, pressurizing the preheating kettle by using an air booster pump, keeping the pressure constant after the air pressure in the preheating kettle is increased to 0.78MPa, and simultaneously controlling a stirring part in the preheating kettle to stir and mix Qiju and deionized water, wherein the rotating speed of the stirring part in the preheating kettle is controlled to be 96 rpm;

2) stirring and mixing for 90min, controlling heating part in preheating kettle to heat, controlling temperature in preheating kettle to 42 deg.C, controlling air booster pump to reduce air pressure in preheating kettle to 0.59MPa, and continuously pressurizing, heating and soaking for 120min to obtain mother liquor of flos Keemum Praeparata;

step three, homogenizing and mixing

1) Pouring preheated Keemun flower water mother liquor and ingredients into a homogenizer, wherein the ingredients comprise the following raw materials in parts by weight: 6% of white granulated sugar, 5% of fructose-glucose syrup, 3% of vitamin C and the balance of water, wherein the ratio of the ingredients to the Keemun flower water mother liquor is 1: 1, the weight of water is 20 times of that of Keemun chrysanthemum water mother liquor, corresponding amount of water is added into a homogenizer, the homogenizer is controlled to carry out homogenization, the first-stage homogenization is started, the pressure in the homogenizer is controlled to be 18.8MPa, and the homogenization time is controlled to be 20 min;

2) after the first section of homogenization, closing the homogenizer, after the pressure in the homogenizer is reduced to normal pressure, opening the homogenizer, and adding an auxiliary agent into the homogenizer, wherein the auxiliary agent comprises the following raw materials in parts by weight: 8% of malic acid, 3% of sodium bicarbonate and the balance of water, wherein the ratio of the auxiliary agent to the Keemun water mother liquor is 1: 4, restarting the homogenizer, starting a second-stage homogenization, controlling the pressure in the homogenizer to rise to 3.8MPa, continuing to homogenize for 20min, repeating the steps, adding water into the homogenizer, starting a third-stage homogenization under the same conditions as the second-stage homogenization, and obtaining keemun chrysanthemum water primary pulp after three-stage homogenization;

step four, filtering and centrifuging

1) Arranging an interception net at the feed inlet of the centrifuge, wherein the interception net is 240 meshes, pouring the keemun chrysanthemum water primary pulp into the centrifuge from the homogenizer through the interception net, controlling the centrifuge to carry out centrifugal treatment on the keemun chrysanthemum water primary pulp after filtration, controlling the rotation speed of the centrifuge to be 2400rpm, closing the centrifuge after centrifugation for 15min, standing for 5min, and taking keemun chrysanthemum water supernatant;

2) and (3) putting the supernatant of the keemun chrysanthemum water obtained after centrifugation into a transparent container for storage, and then sending the supernatant of the keemun chrysanthemum water in the transparent container into ultraviolet sterilization equipment for sterilization to obtain the finished product of the keemun chrysanthemum water.

Therefore, the problems that the flower raw materials are not thoroughly cleaned and nutritional ingredients are damaged by high-temperature treatment in the production and processing processes of part of scented tea health-care beverages are solved, cleaning means for the flower raw materials are lacked before preparation, more dust and impurities are mixed in the flower raw materials, the quality of finished beverages is influenced, and high-temperature treatment means such as boiling, decocting and the like are used for treatment for many times in the process steps, so that the nutritional ingredients in the flower raw materials are greatly damaged, the actual efficacy of the scented tea health-care beverages is influenced, and the scented tea health-care beverages are not beneficial to popularization and use; the keemun chrysanthemum water preparation method utilizes high-speed water flow sprayed by a high-pressure water gun to wash keemun chrysanthemum, so that the keemun chrysanthemum is broken and dispersed under the action of the high-pressure water flow, dust impurities mixed in the keemun chrysanthemum are fully washed, compared with common washing and soaking means adopted by most process methods, the cleaning means can wash away the dust impurities to the greatest extent, the cleaning effect is improved, the quality of subsequent keemun chrysanthemum water finished products is further ensured, low-temperature modes are adopted to treat the keemun chrysanthemum in the processing steps of pressure soaking, homogeneous mixing and the like, compared with partial high-temperature processing means, the process method is milder, the damage to the keemun chrysanthemum is reduced, natural nutrient substances in the keemun chrysanthemum are reserved to the great extent, the guarantee is provided for the nutritional value of the keemun chrysanthemum water finished products, the process method is simple and convenient to operate integrally, and is efficient and practical, is favorable for popularization and use.