阅读说明：本技术 一种酿酒用杜仲木桶的制备方法及应用工艺 (Preparation method and application process of eucommia ulmoides barrel for wine making ) 是由 蔡凯 赵润 周慧 曹红 蒲鹏飞 王喆 刘源才 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种酿酒用杜仲木桶的制备方法,在传统橡木桶制造工艺中,用杜仲木进行替代,另将木材清洗水加以蒸馏,将木材独有的香气蒸馏液与芳香植物浸泡蒸馏液混合后加压放入杜仲木桶中,即得风味独特的酒用杜仲木桶。本发明所制备的酿酒用杜仲木桶,桶陈一年后的蒸馏酒香味浓郁典型、金黄透亮、花蜜香、酒香协调,醇厚饱满、口感俱佳,同时具有非常高的保健功效和经济价值。(The invention discloses a preparation method of an eucommia wood barrel for wine making, which is characterized in that in the traditional oak barrel manufacturing process, eucommia wood is used for substitution, wood cleaning water is distilled, unique aroma distillate of wood and aromatic plant soaking distillate are mixed and then are pressurized and placed into the eucommia wood barrel, and the eucommia wood barrel for wine with unique flavor is obtained. The eucommia ulmoides barrel for brewing wine prepared by the invention has the advantages of aromatic and typical distilled wine flavor, golden and transparent color, nectar flavor, coordinated wine flavor, mellow and full taste and good mouthfeel after the barrel is aged for one year, and has very high health care effect and economic value.)

1. A preparation method of a eucommia ulmoides barrel for brewing wine is characterized by comprising the following steps:

(1) selecting wood: selecting eucommia wood logs without obvious knots, separating barks, and longitudinally cutting the eucommia wood logs into long strips with the length, width and thickness of 90 cm, 7 cm and 4 cm respectively.

(2) Wood pretreatment: placing the long-strip wood into an ultrasonic cleaning machine, adding purified water for soaking, setting the frequency at 30KHz, setting the temperature at 30 ℃, operating for 120 minutes for one time, operating twice, effectively removing residual tannin in the wood, placing the wood after ultrasonic cleaning into an oven at 50 ℃ for heating treatment, heating for 24 hours, taking out for later use, collecting the soaking purified water, extracting the distilled fragrance component by using reduced pressure distillation equipment, setting the temperature to be less than 60 ℃, the distillation time to be 2-3 hours, collecting distillate, setting the volume of the distillate to be 4-6 liters, distilling the distillate under reduced pressure by using a rotary evaporator, setting the temperature to be less than 60 ℃, the distillation time to be 2-3 hours, and collecting the volume of the distillate to be 0.5-1 liter for later use.

(3) Shaping and barrel making: the strip-shaped wood is tightly arranged and enclosed into a circle, the round is heated for 30 minutes by steam, the toughness of the board is improved under the condition of high temperature and high humidity, the upper edge of the barrel is slowly shrunk by a winch in the process, an iron hoop is sleeved for reinforcement when the barrel is formed, then the barrel is dried and shaped at the high temperature of 80 ℃, and the top and bottom wooden barrel covers are installed.

(4) Preparing the fragrant juice: selecting cinnamon, sweet osmanthus and chrysanthemum as spices, taking 10-100 g of cinnamon, 20-100 g of sweet osmanthus and 50-200 g of chrysanthemum, soaking for a week by using 50-DEG edible alcohol at normal temperature, filtering out the spices, collecting the fragrant juice, carrying out reduced pressure distillation by using a rotary evaporator, setting the temperature to be less than 50 ℃, carrying out distillation for 2-3 hours, collecting distillate, wherein the volume of the distillate is about 400 plus 500 ml, and completely mixing the distillate in the step (2) with the aromatic plant distillate for later use.

(5) Putting the fragrant juice into a barrel: and (3) filling the aromatic plant mixed solution prepared in the step (4) into a sprinkling can, spraying aromatic plant aromatic juice to the inner wall from the wine injection hole of the eucommia wood barrel to ensure that the aromatic juice is uniformly sprinkled into the inner wall of the wood barrel, sealing the wine injection hole by using a silica gel plug with a hole, injecting compressed air into the barrel from the silica gel plug hole by using a compressed air gun until the pressure in the barrel is 0.15-0.2MPa, stabilizing for 5-10 minutes to ensure that the aromatic juice fully enters the wood layer, sealing the barrel and standing for one week to obtain the aromatic plant aromatic liquid.

2. The method according to claim 1, wherein the eucommia ulmoides wood used in the step (1) is wood having a five-year growth period or more.

3. The method according to claim 1, wherein the mass ratio of the eucommia ulmoides wood to the purified water for washing in the step (2) is 1: 2.

4. The method according to claim 1, wherein the ratio of the weight of the aromatic plant to the volume of the edible alcohol in the step (4) is 1: 20.

5. The method of claim 1, wherein the eucommia ulmoides oliv washing water distillate and the aromatic plant distillate are prepared in the step (4) in a volume ratio of 2: 1.

6. Application process for brewing wine using wooden barrels prepared by the method according to any of claims 1 to 5, comprising the following steps:

putting the distilled liquor into the eucommia wood barrel prepared by the method, wherein the liquor volume accounts for 96-98% of the wood barrel volume, sealing and storing in an environment with the temperature of 15-25 ℃ and the humidity of 65-85%, ageing for one year in a dark place, and filtering to obtain the eucommia bark wood barrel.

7. The use of the process according to claim 6, wherein said filtering step comprises: coarse filtering the semi-finished wine which is detected and qualified by evaluation by diatomite, fine filtering by a membrane filter, and removing insoluble substances.

8. The use of claim 6, wherein the natural aged 55% vol rice-flavor liquor is selected.

Technical Field

The invention belongs to the technical field of brewing equipment manufacturing, and particularly relates to a preparation method and an application process of a eucommia ulmoides barrel for brewing wine.

Background

The wood barrel has a long history of wine storage, the oak barrels have a history of nearly millennium in America and Europe for storing fermented wine and distilled wine, the oak barrel tannin can improve the mellow feeling of the fermented wine, and vanillin generated after baking can improve the strong fragrance of the distilled wine.

The oak tree age of the Boben barrel is about 30 years, the sherry barrel tree age is more than 70 years, the wood can be made into the barrel after being naturally air-dried for 6-2 years to remove redundant tannin components, so that the oak raw material wood is long in growth and making period, oak is mainly distributed in Europe and America, no corresponding resource is available in China, the main flavor components generated after the oak barrel is baked are relatively single, and the flavor change of the stored wine body is relatively limited.

Disclosure of Invention

The invention mainly aims to provide a preparation process of a flavor barrel for containing distilled liquor, which is characterized in that eucommia wood in a growth period of more than 5 years is soaked in alcohol and baked at low temperature, so that the peculiar pleasant aroma of the eucommia wood can be released, the content of unpreserved tannin in the wood can be obviously reduced, a small amount of fruit juice or alcohol solution of the fragrant juice is injected into the barrel through a pressure device, the barrel with various flavors can be formed, the barrel can be endowed with different styles of pleasant aroma of the distilled liquor, the taste of the liquor is cleaner due to the removal of the tannin, meanwhile, the eucommia has a health-care effect, and beneficial components of the eucommia wood enter the liquor body under the action of the alcohol, so that the liquor body can be endowed with a health-care effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a preparation method of a eucommia ulmoides barrel for brewing wine comprises the following steps:

(1) selecting wood: selecting eucommia ulmoides logs without obvious knots, separating barks, and longitudinally cutting the eucommia ulmoides logs into long strips with the length, width and thickness of 90 cm, 7 cm and 4 cm respectively;

(2) wood pretreatment: placing the long-strip wood into an ultrasonic cleaning machine, adding purified water for soaking, setting the frequency at 30KHz, setting the temperature at 30 ℃, operating for 120 minutes for one time, operating twice, effectively removing residual tannin in the wood, placing the wood after ultrasonic cleaning into an oven at 50 ℃ for heating treatment, heating for 24 hours, taking out for later use, collecting the soaking purified water, extracting the distilled fragrance component by using reduced pressure distillation equipment, setting the temperature to be less than 60 ℃, the distillation time to be 2-3 hours, collecting distillate, setting the volume of the distillate to be 4-6 liters, distilling the distillate under reduced pressure by using a rotary evaporator, setting the temperature to be less than 60 ℃, the distillation time to be 2-3 hours, and collecting the volume of the distillate to be 0.5-1 liter for later use.

(3) Shaping and barrel making: the strip-shaped wood is tightly arranged and enclosed into a circle, the round is heated for 30 minutes by steam, the toughness of the board is improved under the condition of high temperature and high humidity, the upper edge of the barrel is slowly shrunk by a winch in the process, an iron hoop is sleeved for reinforcement when the barrel is formed, then the barrel is dried and shaped at the high temperature of 80 ℃, and the top and bottom wooden barrel covers are installed.

(4) Preparing the fragrant juice: selecting cinnamon, sweet osmanthus and chrysanthemum as spices, taking 10-100 g of cinnamon, 20-100 g of sweet osmanthus and 50-200 g of chrysanthemum, soaking for a week by using 50-DEG edible alcohol at normal temperature, filtering out the spices, collecting the fragrant juice, carrying out reduced pressure distillation by using a rotary evaporator, setting the temperature to be less than 50 ℃, carrying out distillation for 2-3 hours, collecting distillate, wherein the volume of the distillate is about 400 plus 500 ml, and completely mixing the distillate in the step (2) with the aromatic plant distillate for later use.

(5) Putting the fragrant juice into a barrel: and (3) filling the aromatic plant mixed solution prepared in the step (4) into a sprinkling can, spraying aromatic plant aromatic juice to the inner wall from the wine injection hole of the eucommia wood barrel to ensure that the aromatic juice is uniformly sprinkled into the inner wall of the wood barrel, sealing the wine injection hole by using a silica gel plug with a hole, injecting compressed air into the barrel from the silica gel plug hole by using a compressed air gun until the pressure in the barrel is 0.15-0.2MPa, stabilizing for 5-10 minutes to ensure that the aromatic juice fully enters the wood layer, sealing the barrel and standing for one week to obtain the aromatic plant aromatic liquid.

Preferably, the eucommia ulmoides wood used in the step (1) is wood with a five-year growth period or more.

Preferably, the mass ratio of the eucommia ulmoides wood to the purified water for washing in the step (2) is 1: 2.

Preferably, the ratio of the weight of the aromatic plants to the volume of the edible alcohol in the step (4) is 1: 20.

Preferably, the eucommia ulmoides oliv washing water distillate and the aromatic plant distillate in the step (4) are prepared in a volume ratio of 2: 1.

The invention also mainly aims to provide an application process for brewing wine by using the wooden barrel prepared by the method, which comprises the following steps:

putting the distilled liquor into the eucommia wood barrel prepared by the method, wherein the liquor volume accounts for 96-98% of the wood barrel volume, sealing and storing in an environment with the temperature of 15-25 ℃ and the humidity of 65-85%, ageing for one year in a dark place, and filtering to obtain the eucommia bark wood barrel.

Preferably, the filtering step comprises: coarse filtering the semi-finished wine with diatomite, fine filtering with membrane filter to remove insoluble substances and make the wine crystal clear.

Preferably, 55% vol rice-flavor liquor aged for more than one year is selected, and the liquor is fragrant and elegant, pure in taste and sweet after taste.

Compared with the prior art, the invention has the following beneficial effects:

1. the eucommia wood adopted by the flavor barrel is widely distributed in China, resources are relatively rich, the growth period is short, the eucommia wood growing for more than 5 years can be used as barrel-making wood, the sealing performance is good after barrel making, and the problem of wood resources required by the barrel can be well solved;

2. after the wood is cut, the wood can be used for barrel making within a week through simple cleaning, and compared with oak, the production efficiency is obviously improved;

3. the tannin content in the eucommia ulmoides wood is not high, and the tannin content is at a lower level after the eucommia ulmoides wood is treated by a cleaning process, so that the influence on the flavor of the stored wine body is reduced, and the wine body is cleaner in flavor.

4. After the eucommia wood barrel is added with the spice juice, the pleasant aroma of the eucommia and the flavor of the spice juice are compounded, so that the wine body has the pleasant and vivid style characteristics, and is not limited to the single flavor of oak.

5. The eucommia bark contains various beneficial components, and the beneficial components can enter the wine body in the wine storage process of the eucommia bark barrel, so that the wine body has a health care effect and a health connotation.

Drawings

FIG. 1 is a flow chart of the preparation process of the eucommia ulmoides barrel and the application of brewing wine.

Detailed Description

The present invention is described in detail below with reference to the following embodiments and the attached drawings, it should be understood that the embodiments are only for illustrating the present invention and are not to be construed as limiting the present invention, and any modifications, equivalents and the like based on the present invention are within the scope of the present invention.

Example 1

Referring to fig. 1, a preparation method and an application process of a eucommia ulmoides barrel for brewing wine comprise the following steps:

(1) selecting wood: selecting eucommia ulmoides with a growth period of more than 5 years as a raw material, selecting eucommia ulmoides logs without obvious knots, separating barks by special mechanical equipment, longitudinally cutting the logs into long strips with the length, width and thickness of 90 cm, 7 cm and 4 cm respectively, and cutting the long strips into 25-28 blocks;

(2) wood pretreatment: placing the long-strip wood into an ultrasonic cleaning machine, adding 200L of purified water for soaking, wherein the mass ratio of eucommia wood to the cleaned purified water is 1:2, the frequency is set to be 30KHz, the temperature is set to be 30 ℃, the single operation time is 120 minutes, the operation is performed twice, residual tannin in the wood can be effectively removed, the wood cleaned by ultrasonic cleaning is placed into an oven under the condition of 50 ℃ for heating and processing, the wood is taken out for standby after being heated for 24 hours, the soaked purified water is collected, the distilled fragrance component is extracted by using reduced pressure distillation equipment, the temperature is set to be 55 ℃, the distillation time is 2 hours, the distillate is collected, the volume of the distillate is about 4-6 liters, the distillate is distilled by a rotary evaporator under reduced pressure, the temperature is set to be 55 ℃, the distillation time is 2 hours, and the volume of the distillate is about 0.5-1 liter for standby.

(3) Shaping and barrel making: the strip-shaped wood is tightly arranged and enclosed into a circle, the round is heated for 30 minutes by steam, the toughness of the board is improved under the condition of high temperature and high humidity, the upper edge of the barrel is slowly shrunk by a winch in the process, an iron hoop is sleeved for reinforcement when the barrel is formed, then the barrel is dried and shaped at the high temperature of 80 ℃, and the top and bottom wooden barrel covers are installed.

(4) Preparing the fragrant juice: selecting cinnamon, sweet osmanthus and chrysanthemum as spices, taking 10 g of cinnamon, 20 g of sweet osmanthus and 60 g of chrysanthemum, soaking the cinnamon, the sweet osmanthus and the chrysanthemum in 20 times of 50-degree edible alcohol for one week at normal temperature, setting the volume ratio of the weight of the aromatic plants to the edible alcohol to be 1:20, filtering the spices, collecting the fragrant juice, performing reduced pressure distillation by using a rotary evaporator, setting the temperature to be 45 ℃, performing distillation for 2 hours, collecting distillate, wherein the volume of the distillate is about 400-500 ml, and completely mixing the distillate in the step (II) with the aromatic plant distillate for later use, wherein the volume ratio of the eucommia ulmoides cleaning water distillate to the aromatic plant distillate is 2: 1.

(5) Putting the fragrant juice into a barrel: and (3) filling the aromatic plant mixed liquid prepared in the step (IV) into a sprinkling can, spraying aromatic plant aromatic juice to the inner wall from the wine injection hole of the eucommia wood barrel, ensuring that the aromatic juice is uniformly sprinkled into the inner wall of the wood barrel, sealing the wine injection hole by using a silica gel plug with a hole, injecting compressed air into the barrel from the silica gel plug hole by using a compressed air gun with a pressure display device until the pressure in the barrel is displayed to be 0.15MPa, keeping the pressure stable for 5 minutes, allowing the aromatic juice to fully enter the wood layer, and standing for a week after sealing the barrel.

(6) Selecting distilled liquor: 55% vol rice-flavor liquor (naturally aged for one year) is selected, and the liquor body is fragrant and elegant, and has pure taste and sweet aftertaste.

(7) Putting into a barrel for aging: putting 55% vol rice-flavor liquor (naturally aging for one year) into a eucommia wood barrel, wherein the liquor volume accounts for 96% of the wood barrel volume, sealing and storing at the environment temperature of 15 ℃, and under the condition of 65% humidity, carrying out dark aging for one year, carrying out rough filtration on the semi-finished liquor which is detected and qualified by evaluation by adopting diatomite, and then carrying out fine filtration by adopting a membrane filter to remove insoluble substances, so that the liquor is glittering and translucent, and the distilled liquor with high quality and typical style can be obtained.

Example 2

Referring to fig. 1, a preparation method and an application process of a eucommia ulmoides barrel for brewing wine comprise the following steps:

(1) selecting wood: selecting eucommia ulmoides with a growth period of more than 5 years as a raw material, selecting eucommia ulmoides logs without obvious knots, separating barks by special mechanical equipment, longitudinally cutting the logs into long strips with the length, width and thickness of 90 cm, 7 cm and 4 cm respectively, and cutting the long strips into 25-28 blocks;

(2) wood pretreatment: placing the long-strip wood into an ultrasonic cleaning machine, adding 200L of purified water for soaking, wherein the mass ratio of eucommia wood to the cleaned purified water is 1:2, the frequency is set to be 30KHz, the temperature is set to be 30 ℃, the operation time is 120 minutes for one time, the operation is performed twice, the residual tannin in the wood can be effectively removed, the wood cleaned by ultrasonic cleaning is placed into an oven under the condition of 50 ℃ for heating and treating, the wood is taken out for standby after being heated for 24 hours, the soaked purified water is collected, the distilled fragrance component is extracted by using reduced pressure distillation equipment, the temperature is set to be 58 ℃, the distillation time is 2 hours, the distillate is collected, the volume of the distillate is about 4-6 liters, the distillate is distilled by a rotary evaporator under reduced pressure, the temperature is set to be 58 ℃, the distillation time is 2 hours, and the volume of the distillate is collected for standby after about 0.5-1 liter.

(3) Shaping and barrel making: the strip-shaped wood is tightly arranged and enclosed into a circle, the round is heated for 30 minutes by steam, the toughness of the board is improved under the condition of high temperature and high humidity, the upper edge of the barrel is slowly shrunk by a winch in the process, an iron hoop is sleeved for reinforcement when the barrel is formed, then the barrel is dried and shaped at the high temperature of 80 ℃, and the top and bottom wooden barrel covers are installed.

(4) Preparing the fragrant juice: selecting cinnamon, sweet osmanthus and chrysanthemum as spices, taking 15 g of cinnamon, 25 g of sweet osmanthus and 65 g of chrysanthemum, soaking the cinnamon, the 25 g of sweet osmanthus and the chrysanthemum in 20 times of 50-degree edible alcohol at normal temperature for one week, setting the volume ratio of the weight of the aromatic plants to the edible alcohol to be 1:20, filtering the spices, collecting the fragrant juice, performing reduced pressure distillation by using a rotary evaporator, setting the temperature to be 46 ℃, performing distillation for 2.5 hours, collecting distillate, wherein the volume of the distillate is about 400-500 ml, and completely mixing the distillate in the step (II) with the distillate of the aromatic plants for later use, wherein the volume ratio of the distillate of eucommia ulmoides cleaning water to the distillate of the aromatic plants is 2: 1.

(5) Putting the fragrant juice into a barrel: and (3) filling the aromatic plant mixed solution prepared in the step (IV) into a sprinkling can, spraying aromatic plant aromatic juice to the inner wall from the wine injection hole of the eucommia wood barrel to ensure that the aromatic juice is uniformly sprinkled into the inner wall of the wood barrel, sealing the wine injection hole by using a silica gel plug with a hole, injecting compressed air into the barrel from the silica gel plug hole by using a compressed air gun with a pressure display device until the pressure in the barrel is displayed to be 0.18MPa, keeping the pressure stable for 7 minutes, allowing the aromatic juice to fully enter the wood layer, and standing for a week after sealing the barrel.

(6) Selecting distilled liquor: 55% vol rice-flavor liquor (naturally aged for one year) is selected, and the liquor body is fragrant and elegant, and has pure taste and sweet aftertaste.

(7) Putting into a barrel for aging: putting 55% vol rice-flavor liquor (naturally aging for one year) into a eucommia wood barrel, wherein the liquor volume accounts for 96% of the wood barrel volume, sealing and storing at the environment temperature of 20 ℃, keeping the liquor at the humidity of 70% for one year in a dark place, carrying out rough filtration on semi-finished liquor which is qualified through detection and evaluation by using diatomite, then carrying out fine filtration by using a membrane filter, removing insoluble substances, making the liquor crystal clear, and obtaining the distilled liquor with high quality and typical style.

Example 3

Referring to fig. 1, a preparation method and an application process of a eucommia ulmoides barrel for brewing wine comprise the following steps:

(1) selecting wood: selecting eucommia ulmoides with a growth period of more than 5 years as a raw material, selecting eucommia ulmoides logs without obvious knots, separating barks by special mechanical equipment, longitudinally cutting the logs into long strips with the length, width and thickness of 90 cm, 7 cm and 4 cm respectively, and cutting the long strips into 25-28 blocks;

(2) wood pretreatment: placing the long-strip wood into an ultrasonic cleaning machine, adding 200L of purified water for soaking, wherein the mass ratio of eucommia wood to the cleaned purified water is 1:2, the frequency is set to be 30KHz, the temperature is set to be 30 ℃, the operation time is 120 minutes for one time, the operation is performed twice, the residual tannin in the wood can be effectively removed, the wood cleaned by ultrasonic cleaning is placed into an oven under the condition of 50 ℃ for heating and processing, the wood is taken out for standby after being heated for 24 hours, the soaked purified water is collected, the distilled fragrance component is extracted by using reduced pressure distillation equipment, the temperature is set to be 56 ℃, the distillation time is 2 hours, the distillate is collected, the volume of the distillate is about 4-6 liters, the distillate is subjected to reduced pressure distillation by a rotary evaporator, the temperature is set to be 56 ℃, the distillation time is 2 hours, and the volume of the distillate is about 0.5-1 liter for standby.

(3) Shaping and barrel making: the strip-shaped wood is tightly arranged and enclosed into a circle, the round is heated for 30 minutes by steam, the toughness of the board is improved under the condition of high temperature and high humidity, the upper edge of the barrel is slowly shrunk by a winch in the process, an iron hoop is sleeved for reinforcement when the barrel is formed, then the barrel is dried and shaped at the high temperature of 80 ℃, and the top and bottom wooden barrel covers are installed.

(4) Preparing the fragrant juice: selecting cinnamon, sweet osmanthus and chrysanthemum as spices, taking 20 g of cinnamon, 30 g of sweet osmanthus and 80 g of chrysanthemum, soaking the cinnamon, the 30 g of sweet osmanthus and the chrysanthemum in 20 times of 50-degree edible alcohol at normal temperature for one week, setting the volume ratio of the weight of the aromatic plants to the edible alcohol to be 1:20, filtering the spices, collecting the fragrant juice, performing reduced pressure distillation by using a rotary evaporator, setting the temperature to be 49 ℃, performing distillation for 3 hours, collecting distillate, wherein the volume of the distillate is about 400-500 ml, and completely mixing the distillate in the step (II) with the aromatic plant distillate for later use, wherein the volume ratio of the eucommia ulmoides cleaning water distillate to the aromatic plant distillate is 2: 1.

(5) Putting the fragrant juice into a barrel: and (3) filling the aromatic plant mixed liquid prepared in the step (IV) into a sprinkling can, spraying aromatic plant aromatic juice to the inner wall from the wine injection hole of the eucommia wood barrel, ensuring that the aromatic juice is uniformly sprinkled into the inner wall of the wood barrel, sealing the wine injection hole by using a silica gel plug with a hole, injecting compressed air into the barrel from the silica gel plug hole by using a compressed air gun with a pressure display device until the pressure in the barrel is displayed to be 0.2MPa, keeping the pressure stable for 10 minutes, allowing the aromatic juice to fully enter the wood layer, and standing for a week after sealing the barrel.

(6) Selecting distilled liquor: 55% vol rice-flavor liquor (naturally aged for one year) is selected, and the liquor body is fragrant and elegant, and has pure taste and sweet aftertaste.

(7) Putting into a barrel for aging: putting 55% vol rice-flavor liquor (naturally aging for one year) into a eucommia wood barrel, wherein the liquor volume accounts for 96% of the wood barrel volume, sealing and storing at the ambient temperature of 25 ℃ and the humidity of 85% in a dark environment for one year, carrying out rough filtration on semi-finished liquor which is qualified through detection and evaluation by adopting diatomite, and then carrying out fine filtration by adopting a membrane filter to remove insoluble substances, so that the liquor is glittering and translucent, and the distilled liquor with high quality and typical style can be obtained.

Example of detection

The distilled liquor prepared in the above examples is required to be evaluated and tested as follows:

TABLE 1 organoleptic qualities of the distilled liquors of the examples

Table 2 test results of distilled liquors of respective examples

From the inspection result, when the eucommia ulmoides barrel prepared by the method is used for aging distilled liquor, the content of functional components such as coniferyl glycoside, chrysanthemum oil cyclic ketone and the like is obviously improved, and the distilled liquor after being aged for one year in the eucommia ulmoides barrel and under the action of natural spices such as cinnamon, sweet osmanthus and chrysanthemum has the advantages of strong and typical aroma, golden yellow and transparent brightness, nectar aroma, harmonious bouquet, mellowness and fullness and good taste, meets the requirement of people on the difference flavor of the distilled liquor and has a certain health-care effect.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.