CN118178562A - Jinguoyin oral liquid and preparation method thereof - Google Patents

Abstract

The invention belongs to the field of traditional Chinese medicine, and in particular, relates to a Jinguoyin oral liquid and a preparation method thereof. The raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50-60 parts of Xiqingguo, 70-76 parts of Momordica grosvenori, 10-16 parts of Burdock, 15-20 parts of Belamcanda, 10-20 parts of Dendrobium, 8-10 parts of Lily, 8-10 parts of Tangerine Peel, 10-14 parts of Sucrose, 2-4 parts of Ginseng, 3-5 parts of Asparagus, 3-5 parts of Rhizoma Anemarrhenae, 1-2 parts of Aloe, 8-10 parts of Puerariae Powder, and 5-7 parts of Sterculia Sea. The Jinguoyin oral liquid has reasonable compatibility and balanced nutrition. By combining Xiqingguo, Burdock, Belamcanda, Dendrobium, and Tangerine Peel together, the effects of clearing throat and relieving phlegm, relieving bad breath, etc. can be achieved. The oral liquid of the present invention further comprises sucrose, ginseng, asparagus fern, rhizoma anemarrhenae, aloe vera, kudzu powder and sterculia lychnophora, which not only increases the nutritional components but also improves the taste and is suitable for more people to take.

Description

Jinguoyin oral liquid and preparation method thereof

Technical Field

The invention relates to the field of traditional Chinese medicine, and in particular to a Jinguoyin oral liquid and a preparation method thereof.

Background technique

The main effects of Jinguoyin include nourishing yin and promoting body fluid, clearing away heat and relieving sore throat. It is used to treat redness and swelling of the throat, sore throat, dry mouth and throat caused by lung heat and yin damage. Jinguoyin can be made into an oral liquid to achieve the effects of clearing the throat, relieving cough and reducing phlegm, and relieving bad breath.

Therefore, providing a kind of Jinguoyin oral liquid is of great significance.

Summary of the invention

The purpose of the present invention is to provide a Jinguoyin oral liquid and a preparation method thereof, so as to overcome and solve the problems in the prior art.

In order to achieve the above objectives, the embodiments of the present invention provide the following technical solutions:

According to a first aspect of an embodiment of the present invention, a Jinguoyin oral liquid is provided. The raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50-60 parts of western green fruit, 70-76 parts of monk fruit, 10-16 parts of burdock fruit, 15-20 parts of belamcanda chinensis, 10-20 parts of dendrobium, 8-10 parts of lily, 8-10 parts of tangerine peel, 10-14 parts of sucrose, 2-4 parts of ginseng, 3-5 parts of asparagus fern, 3-5 parts of anemarrhena asphodeloides, 1-2 parts of aloe, 8-10 parts of kudzu powder, and 5-7 parts of sterculia lychnophora.

Furthermore, the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 55 parts of western green fruit, 73 parts of monk fruit, 13 parts of burdock fruit, 17.5 parts of belamcanda chinensis, 15 parts of dendrobium, 9 parts of lily, 9 parts of tangerine peel, 12 parts of sucrose, 3 parts of ginseng, 4 parts of asparagus fern, 4 parts of anemarrhena asphodeloides, 1.5 parts of aloe, 9 parts of kudzu powder, and 6 parts of sterculia lychnophora.

Furthermore, the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50 parts of western green fruit, 70 parts of monk fruit, 10 parts of burdock fruit, 15 parts of belamcanda chinensis, 10 parts of dendrobium, 8 parts of lily, 8 parts of tangerine peel, 10 parts of sucrose, 2 parts of ginseng, 3 parts of asparagus fern, 3 parts of anemarrhena, 1 part of aloe, 8 parts of kudzu powder, and 5 parts of sterculia lychnophora.

Furthermore, the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50 parts of western green fruit, 70 parts of monk fruit, 10 parts of burdock fruit, 15 parts of belamcanda chinensis, 10 parts of dendrobium, 8 parts of lily, 8 parts of tangerine peel, 10 parts of sucrose, 2 parts of ginseng, 3 parts of asparagus fern, 3 parts of anemarrhena, 1 part of aloe, 8 parts of kudzu powder, and 5 parts of sterculia lychnophora.

According to a second aspect of an embodiment of the present invention, there is provided a method for preparing Jinguoyin oral liquid, comprising the following steps:

S1. Weigh citrus aurantium, monk fruit, burdock fruit, belamcanda chinensis, dendrobium officinale, lily bulb and tangerine peel as raw materials;

S2, collecting the medicinal liquid after decocting the Xiqing fruit, Momordica grosvenori, Burdock fruit, Belamcanda chinensis, Dendrobium officinale, Lilium bulbiferum and Tangerine peel, and concentrating the medicinal liquid to obtain a concentrate;

S3, adding ethanol to reflux extraction of ginseng, asparagus fern, anemarrhena asphodeloides, aloe vera, and Sterculia lychnophora, respectively, to obtain ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and mixing the ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and sterilizing to obtain a mixed solution;

S4, placing the concentrate in a container, adding kudzu powder and sucrose to the container, and then adding a mixed solution and an alkaline solution to the container, applying ultrasonic treatment during the process, and obtaining the Jinguoyin oral liquid after the concentrate is completely dissolved.

Furthermore, in step S2, the decoction temperature is 85-95°C, and the decoction time is 80-110 minutes.

Furthermore, in step S3, the sterilization temperature is 85-90° C., and the sterilization time is 10-20 min.

Furthermore, in step S4, the frequency of the ultrasonic wave is 20-80 kHz.

Furthermore, in step S4, after adding the mixed solution, an alkaline solution is added until the concentrate is dissolved.

Furthermore, the method for preparing the kudzu powder includes first washing the kudzu root, then crushing it, and passing it through a 35-60 mesh sieve to obtain the kudzu powder.

The pharmacological effects of the Chinese medicinal raw materials involved in the present invention are as follows:

Xiqingguo is bitter, sour, astringent, and flat. It is in the lung and large intestine meridians and can treat diphtheria, laryngitis, tonsillitis, and bacillary dysentery due to deficiency syndrome. Luohanguo is sweet and cool in nature. It is in the lung and large intestine meridians and has the effects of moistening the lungs and relieving cough, promoting fluid production and relieving thirst. It is suitable for cough caused by lung heat or dryness, whooping cough, and thirst caused by heat damage to body fluids. In addition, it has the effect of moistening the intestines and relieving constipation. Burdock seeds are pungent, bitter, and cold. They are mainly used to treat wind-heat colds, early stage of febrile diseases, measles, carbuncle, and sore. Belamcanda has the effects of clearing away heat and detoxifying, eliminating phlegm, and relieving sore throat. It can be used to treat tonsillitis and lumbago. Dendrobium is sweet, light, and slightly salty in nature and cold. It enters the stomach, lung, and kidney meridians. It is mainly used to promote fluid production and benefit the stomach, clear away heat and nourish yin, and treat heat damage to body fluids due to febrile diseases, dry mouth and thirst, deficiency heat after illness, and dark eyes caused by yin damage. Lily is sweet and slightly cold. It is in the heart and lung meridians. It has the effects of nourishing yin and moistening the lungs, clearing the heart and calming the mind. It is used to treat yin deficiency and dry cough, fatigue cough and hemoptysis, restlessness and palpitations, insomnia and nightmares, and mental confusion. Tangerine peel, nature and flavor: warm in nature, pungent and bitter in taste, enters the spleen meridian, stomach meridian, and lung meridian; regulates qi and strengthens the spleen, regulates the middle, dries dampness, and resolves phlegm. It is mainly used to treat abdominal distension or pain caused by spleen and stomach qi stagnation, indigestion, chest tightness and abdominal distension caused by dampness and turbidity blocking the middle, poor appetite and loose stools, and cough and asthma caused by phlegm and dampness blocking the lungs. It is used for chest and abdominal distension, vomiting and diarrhea after poor appetite, and cough with excessive sputum; ginseng, which belongs to the lung, spleen, and heart meridians, contains nutrients such as sugars, vitamins, and amino acids, which can promote the formation of qi and blood, and has the effect of replenishing qi and generating blood; asparagus, which tastes sweet and slightly bitter, is cold in nature, has the effects of moistening the lungs and relieving coughs, cooling blood and relieving stranguria, and is mainly used to treat symptoms such as yin deficiency and lung dryness, cough, hemoptysis, and dribbling urine; anemarrhena, which is bitter and cold in nature; belongs to the lung, stomach, and kidney meridians, and has the effects of clearing away heat and purging fire, nourishing yin and moistening dryness; aloe, which is bitter and cold in nature, has the pharmacological effects of sterilization, anti-inflammatory, stomachic diarrhea, strengthening the heart and activating blood circulation, immunity and regeneration, anti-tumor, anti-aging, detoxification, and analgesia; kudzu powder, which is cool in nature, can clear away heat and detoxify, and has a clearing effect on constipation, sore throat, and hot cough caused by getting angry; Sterculia lychnophora, which has the effects of clearing heat and moistening the lungs, relieving sore throat, anti-inflammatory and detoxification, and is mainly used for symptoms such as lung heat and hoarseness, dry cough without sputum, dry and sore throat, headache and red eyes.

Compared with the prior art, the advantages of the present invention are:

The present invention provides a Jinguoyin oral liquid and a preparation method thereof. The Jinguoyin oral liquid has reasonable compatibility and balanced nutrition. By combining citrus aurantium, burdock fruit, belamcanda chinensis, dendrobium officinale and dried orange peel, the oral liquid can achieve the effects of clearing throat, relieving cough and reducing phlegm, and relieving bad breath. In addition, the oral liquid of the present invention also includes sucrose, ginseng, asparagus, rhizoma anemarrhenae, aloe, kudzu powder and sterculia lychnophora, which not only increases the nutritional components, but also improves the taste and is suitable for more people to take.

Detailed ways

The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

The invention provides a Jinguoyin oral liquid. Raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50-60 parts of citronella, 70-76 parts of monk fruit, 10-16 parts of burdock fruit, 15-20 parts of belamcanda chinensis, 10-20 parts of dendrobium, 8-10 parts of lily, 8-10 parts of tangerine peel, 10-14 parts of sucrose, 2-4 parts of ginseng, 3-5 parts of asparagus fern, 3-5 parts of rhizoma anemarrhenae, 1-2 parts of aloe, 8-10 parts of kudzu powder and 5-7 parts of sterculia lychnophora.

According to a second aspect of an embodiment of the present invention, there is provided a method for preparing Jinguoyin oral liquid, comprising the following steps:

S1. Weigh citrus aurantium, monk fruit, burdock fruit, belamcanda chinensis, dendrobium officinale, lily bulb and tangerine peel as raw materials;

S2, collecting the medicinal liquid after decocting the Xiqing fruit, Momordica grosvenori, Burdock fruit, Belamcanda chinensis, Dendrobium officinale, Lilium bulbiferum and Tangerine peel, and concentrating the medicinal liquid to obtain a concentrate; the decocting temperature is 85-95° C., and the decocting time is 80-110 min;

S3, adding ethanol to reflux extraction of ginseng, asparagus fern, anemarrhena asphodeloides, aloe vera, and Sterculia lychnophora, respectively, to obtain ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and mixing the ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and sterilizing to obtain a mixed solution; the sterilization temperature is 85-90° C., and the sterilization time is 10-20 min;

S4, placing the concentrate in a container, adding kudzu powder and sucrose to the container, and then sequentially adding a mixed solution and an alkaline solution to the container until the concentrate is dissolved, during which ultrasonic treatment is applied to obtain the Jinguoyin oral liquid after the concentrate is completely dissolved; the frequency of the ultrasonic wave is 20-80kHz.

In some embodiments, the method for preparing the kudzu powder comprises first washing the kudzu root, then crushing it, and passing it through a 35-60 mesh sieve to obtain the kudzu powder.

In order to better illustrate the technical solution of the present invention, it is discussed in detail below in conjunction with specific embodiments.

Example 1

The invention provides a Jinguoyin oral liquid. Raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 55 parts of citronella, 73 parts of monk fruit, 13 parts of burdock fruit, 17.5 parts of beam dry, 15 parts of dendrobium, 9 parts of lily, 9 parts of tangerine peel, 12 parts of sucrose, 3 parts of ginseng, 4 parts of asparagus fern, 4 parts of rhizoma anemarrhenae, 1.5 parts of aloe, 9 parts of kudzu powder and 6 parts of sterculia lychnophora.

According to a second aspect of an embodiment of the present invention, there is provided a method for preparing Jinguoyin oral liquid, comprising the following steps:

S1. Weigh citrus aurantium, monk fruit, burdock fruit, belamcanda chinensis, dendrobium officinale, lily bulb and tangerine peel as raw materials;

S2, after decocting the Xiqingguo, Momordica grosvenori, Burdock fruit, Belamcanda chinensis, Dendrobium officinale, Lilium bulbiferum and Tangerine peel, collecting the medicinal liquid, and concentrating the medicinal liquid to obtain a concentrate; the decocting temperature is 90° C., and the decocting time is 95 min;

S3, adding ethanol to reflux extraction of ginseng, asparagus fern, anemarrhena asphodeloides, aloe vera, and Sterculia lychnophora, respectively, to obtain ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and mixing the ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and sterilizing to obtain a mixed solution; the sterilization temperature is 87.5° C., and the sterilization time is 15 min;

S4, placing the concentrate in a container, adding kudzu powder and sucrose to the container, and then sequentially adding a mixed solution and an alkaline solution to the container until the concentrate is dissolved, during which ultrasonic treatment is applied to obtain the Jinguoyin oral liquid after the concentrate is completely dissolved; the frequency of the ultrasonic wave is 50 kHz.

In some embodiments, the method for preparing the kudzu powder comprises first washing the kudzu root, then crushing it, and passing it through a 47.5 mesh sieve to obtain the kudzu powder.

Example 2

The invention provides a Jinguoyin oral liquid. Raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50 parts of citronella, 70 parts of monk fruit, 10 parts of burdock fruit, 15 parts of beam dry, 10 parts of dendrobium, 8 parts of lily, 8 parts of tangerine peel, 10 parts of sucrose, 2 parts of ginseng, 3 parts of asparagus fern, 3 parts of rhizoma anemarrhenae, 1 part of aloe, 8 parts of kudzu powder and 5 parts of sterculia lychnophora.

According to a second aspect of an embodiment of the present invention, there is provided a method for preparing Jinguoyin oral liquid, comprising the following steps:

S1. Weigh citrus aurantium, monk fruit, burdock fruit, belamcanda chinensis, dendrobium officinale, lily bulb and tangerine peel as raw materials;

S2, after decocting the Xiqingguo, Momordica grosvenori, Burdock fruit, Belamcanda chinensis, Dendrobium officinale, Lilium bulbiferum and Tangerine peel, collecting the medicinal liquid, and concentrating the medicinal liquid to obtain a concentrate; the decoction temperature is 85° C., and the decoction time is 80 min;

S3, adding ethanol to reflux extraction of ginseng, asparagus fern, anemarrhena asphodeloides, aloe vera, and Sterculia lychnophora, respectively, to obtain ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and mixing the ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and sterilizing to obtain a mixed solution; the sterilization temperature is 85° C., and the sterilization time is 10 min;

S4, placing the concentrate in a container, adding kudzu powder and sucrose to the container, and then sequentially adding a mixed solution and an alkaline solution to the container until the concentrate is dissolved, during which ultrasonic treatment is applied to obtain the Jinguoyin oral liquid after the concentrate is completely dissolved; the frequency of the ultrasonic wave is 20 kHz.

In some embodiments, the method for preparing the kudzu powder comprises first washing the kudzu root, then crushing it, and passing it through a 35-mesh sieve to obtain the kudzu powder.

Example 3

The invention provides a Jinguoyin oral liquid. Raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 60 parts of citronella, 76 parts of monk fruit, 16 parts of burdock fruit, 20 parts of beam dryness, 20 parts of dendrobium, 10 parts of lily, 10 parts of tangerine peel, 14 parts of sucrose, 4 parts of ginseng, 5 parts of asparagus fern, 5 parts of rhizoma anemarrhenae, 2 parts of aloe, 10 parts of kudzu powder and 7 parts of sterculia lychnophora.

According to a second aspect of an embodiment of the present invention, there is provided a method for preparing Jinguoyin oral liquid, comprising the following steps:

S1. Weigh citrus aurantium, monk fruit, burdock fruit, belamcanda chinensis, dendrobium officinale, lily bulb and tangerine peel as raw materials;

S2, after decocting the Xiqing fruit, Momordica grosvenori, Burdock fruit, Belamcanda chinensis, Dendrobium officinale, Lilium bulbiferum and Tangerine peel, collecting the medicinal liquid, and concentrating the medicinal liquid to obtain a concentrate; the decocting temperature is 95° C., and the decocting time is 110 min;

S3, adding ethanol to reflux extraction of ginseng, asparagus fern, anemarrhena asphodeloides, aloe vera, and Sterculia lychnophora, respectively, to obtain ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and mixing the ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and sterilizing to obtain a mixed solution; the sterilization temperature is 90° C., and the sterilization time is 20 min;

S4, placing the concentrate in a container, adding kudzu powder and sucrose to the container, and then sequentially adding a mixed solution and an alkaline solution to the container until the concentrate is dissolved, during which ultrasonic treatment is applied to obtain the Jinguoyin oral liquid after the concentrate is completely dissolved; the frequency of the ultrasonic wave is 80 kHz.

In some embodiments, the method for preparing the kudzu powder comprises first washing the kudzu root, then crushing it, and passing it through a 60-mesh sieve to obtain the kudzu powder.

Experiment 1: The Jinguoyin oral liquid of Examples 1-3 was used as experimental groups 1-3, and the oral liquid without Belamcanda chinensis and Dendrobium officinale was used as control group 1 and control group 2; the experimental results are shown in Table 1 below:

Table 1

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A Jinguoyin oral liquid, characterized in that the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50-60 parts of Xiqing fruit, 70-76 parts of Momordica grosvenori, 10-16 parts of Burdock fruit, 15-20 parts of Belamcanda chinensis, 10-20 parts of Dendrobium officinale, 8-10 parts of Lilium, 8-10 parts of Tangerine peel, 10-14 parts of sucrose, 2-4 parts of Ginseng, 3-5 parts of Asparagus fern, 3-5 parts of Anemarrhena asphodeloides, 1-2 parts of Aloe vera, 8-10 parts of Pueraria powder, and 5-7 parts of Sterculia lychnophora. 2. The Jinguoyin oral liquid according to claim 1 is characterized in that the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 55 parts of Xiqing fruit, 73 parts of Momordica grosvenori, 13 parts of Burdock fruit, 17.5 parts of Belamcanda chinensis, 15 parts of Dendrobium officinale, 9 parts of Lily, 9 parts of Tangerine peel, 12 parts of sucrose, 3 parts of Ginseng, 4 parts of Asparagus fern, 4 parts of Anemarrhena asphodeloides, 1.5 parts of Aloe vera, 9 parts of Pueraria powder, and 6 parts of Sterculia lychnophora. 3. The Jinguoyin oral liquid according to claim 1 is characterized in that the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50 parts of Xiqing fruit, 70 parts of Momordica grosvenori, 10 parts of Burdock fruit, 15 parts of Belamcanda chinensis, 10 parts of Dendrobium officinale, 8 parts of Lily, 8 parts of Tangerine peel, 10 parts of sucrose, 2 parts of Ginseng, 3 parts of Asparagus fern, 3 parts of Anemarrhena asphodeloides, 1 part of Aloe vera, 8 parts of Pueraria powder, and 5 parts of Sterculia lychnophora. 4. The Jinguoyin oral liquid according to claim 1 is characterized in that the raw materials for preparing the Jinguoyin oral liquid include the following components calculated by weight: 50 parts of Xiqing fruit, 70 parts of Momordica grosvenori, 10 parts of Burdock fruit, 15 parts of Belamcanda chinensis, 10 parts of Dendrobium officinale, 8 parts of Lily, 8 parts of Tangerine peel, 10 parts of sucrose, 2 parts of Ginseng, 3 parts of Asparagus fern, 3 parts of Anemarrhena asphodeloides, 1 part of Aloe vera, 8 parts of Pueraria powder, and 5 parts of Sterculia lychnophora. 5. A method for preparing the Jinguoyin oral liquid according to any one of claims 1 to 4, characterized in that it comprises the following steps: S1. Weigh citrus aurantium, monk fruit, burdock fruit, belamcanda chinensis, dendrobium officinale, lily bulb and tangerine peel as raw materials; S2, collecting the medicinal liquid after decocting the Xiqing fruit, Momordica grosvenori, Burdock fruit, Belamcanda chinensis, Dendrobium officinale, Lilium bulbiferum and Tangerine peel, and concentrating the medicinal liquid to obtain a concentrate; S3, adding ethanol to reflux extraction of ginseng, asparagus fern, anemarrhena asphodeloides, aloe vera, and Sterculia lychnophora, respectively, to obtain ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and mixing the ginseng extract, asparagus fern extract, anemarrhena asphodeloides extract, aloe vera extract, and Sterculia lychnophora extract, and sterilizing to obtain a mixed solution; S4, placing the concentrate in a container, adding kudzu powder and sucrose to the container, and then adding a mixed solution and an alkaline solution to the container, applying ultrasonic treatment during the process, and obtaining the Jinguoyin oral liquid after the concentrate is completely dissolved. 6. The method for preparing Jinguoyin oral liquid according to claim 5, characterized in that: in step S2, the decoction temperature is 85-95°C and the decoction time is 80-110 min. 7. The method for preparing Jinguoyin oral liquid according to claim 5, characterized in that the sterilization temperature in step S3 is 85-90°C and the sterilization time is 10-20 min. 8. The method for preparing Jinguoyin oral liquid according to claim 5, characterized in that: in step S4, the frequency of the ultrasonic wave is 20-80kHz. 9. The method for preparing Jinguoyin oral liquid according to claim 5, characterized in that: in step S4, after adding the mixed liquid, an alkaline solution is added until the concentrate is dissolved. 10. The method for preparing Jinguoyin oral liquid according to claim 6, characterized in that the method for preparing the kudzu powder comprises first washing kudzu roots, then crushing them, and passing them through a 35-60 mesh sieve to obtain the kudzu powder.