CN112616973A - Preparation method of bitter gourd substitutional tea with blood sugar reducing effect - Google Patents
Preparation method of bitter gourd substitutional tea with blood sugar reducing effect Download PDFInfo
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Abstract
The invention belongs to the technical field of health-care drinks, in particular to a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which solves the problems that the blood sugar reducing medicine in the prior art has great side effect, the bitter gourd used for reducing the blood sugar has poor taste, the absorption of a human body to calcium is easily influenced, the cold constitution of a body of a user is easily formed, and the like, and the preparation method comprises the following steps: baking semen Pharbitidis, mixing with fructus Momordicae Charantiae, rhizoma anemarrhenae, fresh rehmanniae radix, and Saviae Miltiorrhizae radix, pulverizing, sieving, and adding water to obtain a mixture; grinding the mixed material, adding a regulator for treatment, and filtering to obtain a filtrate I; pulverizing stigma Maydis, fructus Lycii and herba Polygoni Hydropiperis, sieving, adding complex enzyme and water for enzymolysis, and filtering to obtain filtrate II; and (3) centrifuging the filtrate I and the filtrate II together to obtain a centrifugate, adding xylitol and maltodextrin, and homogenizing together to obtain the substitutive tea. The raw materials are cheap and easy to obtain, the process is simple, the obtained substitute tea has an obvious blood sugar reducing effect, the taste is slightly fragrant and sweet, the blood sugar can be effectively controlled when the substitute tea is taken according to needs, no harm is caused to a human body, and the safety is high.
Description
Technical Field
The invention relates to the technical field of health-care drinks, in particular to a preparation method of bitter gourd substitutional tea with a blood sugar reducing effect.
Background
With the development of society, the improvement of living standard and lifestyle change of people, Diabetes (DM) is on the rising trend in the world, and has become the third chronic non-infectious disease that affects human health after malignant tumor and cardiovascular disease. Diabetes is classified by the World Health Organization (WHO) and the American Diabetes Association (ADA) into four major categories, type 1 diabetes (T1DM), type 2 diabetes (T2DM), specific diabetes, and gestational diabetes. At present, the method for treating diabetes mellitus is generally used for regulating insulin secretion clinically, and insulin, insulin secretion promoting medicines, insulin sensitizers and other medicines are mainly adopted for treatment. However, the current hypoglycemic drugs have various side effects, such as hypoglycemia, liver injury, heart injury, gastrointestinal reaction, anaphylaxis and the like. Therefore, finding a drug which has a good effect and little side effect and fundamentally prevents or treats diabetes is a problem to be solved clinically at present.
The balsam pear is named as the fruits of balsam pear of Cucurbitaceae, including brocade litchi, fructus Vitis viniferae, summer melon, and red sheep. The bitter gourd is bitter and cold in nature, and has the effects of clearing heat and removing toxicity, nourishing and strengthening body, reducing blood sugar and the like. The crude extract of Momordica charantia contains insulin-like substances, and its fresh juice contains charantin and insulin-like substances, and has good blood sugar lowering effect, and is an ideal food for diabetic patients. However, the bitter gourd is not accepted by people due to extremely bitter taste; the balsam pear contains more oxalic acid, and the oxalic acid can be combined with calcium in food, so that the absorption of the calcium by a human body is easily influenced after long-term eating; in addition, the bitter gourd is extremely cold in nature, is easy to form cold constitution after being eaten frequently, and has great harm to the female body. Based on the statement, the invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect.
Disclosure of Invention
The invention aims to solve the problems that hypoglycemic drugs in the prior art have great side effects, and bitter gourds are poor in hypoglycemic taste, easy to influence the absorption of human bodies to calcium, easy to cause the cold constitution of bodies of users and the like, and provides a preparation method of bitter gourd substitutional tea with hypoglycemic effect.
A preparation method of bitter gourd substitutional tea with blood sugar reducing effect comprises the following steps:
s1, baking 2-8 parts of semen pharbitidis, adding 30-50 parts of bitter gourd, 8-15 parts of rhizoma anemarrhenae, 10-20 parts of fresh rehmannia root and 10-18 parts of salvia miltiorrhiza into a pulverizer, pulverizing, sieving with a 40-80-mesh sieve to obtain mixed powder I, adding water, stirring, mixing, standing, and soaking to obtain a mixed material for later use;
s2, heating the mixed material to 105-125 ℃, keeping the temperature, adding a grinding aid accounting for 0.02-0.06% of the total amount of the mixed material, grinding for 10-20min to prepare mixed slurry, cooling to 72-92 ℃, adding a regulator accounting for 0.07-0.12 times of the mixed slurry, stirring for 20-40min, and filtering to obtain a filtrate I;
s3, adding 20-30 parts by weight of corn stigma, 10-18 parts by weight of medlar and 2-5 parts by weight of polygonum hydropiper into a pulverizer together, pulverizing and sieving with a 40-80-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, complex enzyme and water, controlling the mixing temperature to be 45-55 ℃, the pH value to be 4.5-6.5, carrying out enzymolysis treatment for 1-2h, and filtering to obtain filtrate II;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 5-15min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together, homogenizing for 20-30min, taking out, sieving with a 80-120 mesh sieve, sterilizing, and packaging to obtain the bitter gourd tea substitute with the blood sugar reducing effect.
Preferably, the baking temperature is 220-240 ℃, and the baking time is 4-8 min.
Preferably, the amount of water added in step S1 is 10-15 times of the total amount of the mixed powder.
Preferably, the soaking temperature in the step S1 is 45-65 ℃, and the soaking time is 2-4 h.
Preferably, the grinding aid in the step S2 is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 2.8-3.5: 1.
Preferably, the regulator in step S2 is prepared by mixing tartaric acid and sodium chloride at a mass ratio of 1-3: 1-3.
Preferably, the complex enzyme in the step S3 is prepared by compounding cellulase, pectinase and acetylcholinesterase in a mass ratio of 1-2:1: 1-3.
Preferably, the mass ratio of the mixed powder II, the compound enzyme and the water in the step S3 is 1-2:0.01-0.05: 6-10.
Preferably, the mass ratio of the centrifugate to the xylitol to the maltodextrin in the step S4 is 1:0.05-0.1: 0.1-0.3.
Preferably, the homogenization conditions in step S4 are as follows: the pressure is 13-18Mpa, the air inlet temperature of spray drying is 100-120 ℃, the air outlet temperature is 80-90 ℃, the feeding temperature is 60-70 ℃, and the feeding speed is 12-16 mL/min.
The preparation method of the bitter gourd substitutional tea with the blood sugar reducing effect, provided by the invention, has the following beneficial effects:
1. the method adopts Chinese herbal medicines such as pharbitis seed, bitter gourd, rhizoma anemarrhenae, fresh rehmannia root, red sage root, corn stigma, medlar, polygonum hydropiper and the like as raw materials, the pharbitis seed is baked, then is mixed and crushed with the bitter gourd, the rhizoma anemarrhenae, the fresh rehmannia root and the red sage root, is ground to prepare pulp, is added with a regulator for regulation, and is filtered to obtain filtrate I; blending and crushing corn stigma, medlar and polygonum hydropiper, performing enzymolysis, and filtering to obtain filtrate II; blending the filtrate I and the filtrate II, centrifuging, and homogenizing the centrifugate, xylitol and maltodextrin together to obtain the required substitutive tea; the raw materials are cheap and easy to obtain, the process is simple, the blood sugar reducing effect of the processed raw materials is fully kept, the toxic and side effects of the medicine are reduced to the maximum extent, the cold property of the medicine can be effectively neutralized by mixing the filtrate I and the filtrate II, the taste of the substitutional tea can be effectively improved by adjusting the xylitol and the maltodextrin, the taste of the substitutional tea is slightly fragrant and sweet, the blood sugar can be effectively controlled by taking the substitutional tea according to needs, the damage to a human body is avoided, and the safety is high.
2. According to the invention, sodium trimetaphosphate and acetylated distarch phosphate are compounded to prepare the grinding aid, and the grinding aid is used for grinding and pulping the Chinese herbal medicine raw materials, so that the precipitation of the Chinese herbal medicine extract can be further promoted; according to the invention, tartaric acid and sodium chloride are compounded to prepare the regulator, and the mixed slurry obtained by grinding is mixed and regulated, so that the purity of the active ingredients of the medicine can be effectively improved, and the absorption utilization rate of the active ingredients of the medicine can be improved.
3. The invention mixes and crushes the corn stigma, the medlar and the polygonum hydropiper, adds water and adds complex enzyme for enzymolysis and extraction, can effectively destroy the fiber structure and the protein of the Chinese herbal medicines, realizes the high-efficiency enrichment of effective components, and has high absorption and utilization rate of the obtained extract.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 2 parts of semen pharbitidis for 4min at 220 ℃, adding the baked semen pharbitidis, 30 parts of bitter gourd, 8 parts of rhizoma anemarrhenae, 10 parts of fresh rehmannia and 10 parts of salvia miltiorrhiza into a pulverizer together, pulverizing, sieving with a 40-mesh sieve to obtain mixed powder I, adding water which is 10 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 45 ℃, and the soaking time is 2 hours;
s2, heating the mixed material to 105 ℃, keeping the temperature, adding a grinding aid accounting for 0.02 percent of the total amount of the mixed material, grinding for 10min to prepare mixed slurry, cooling to 72 ℃, adding a regulator accounting for 0.07 time of the mixed slurry, stirring for 20min, and filtering to obtain a filtrate I, wherein the grinding aid is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 2.8:1, and the regulator is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 1: 1;
s3, adding 20 parts by weight of corn stigma, 10 parts by weight of medlar and 2 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 40-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to a mass ratio of 1:0.01:6, controlling the mixing temperature at 45 ℃ and the pH value at 4.5, carrying out enzymolysis treatment for 1 hour, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase in a mass ratio of 1:1: 1;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 5min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.05:0.1, homogenizing for 20min under the conditions that the pressure is 13Mpa, the spray drying air inlet temperature is 100 ℃, the air outlet temperature is 80 ℃, the feeding temperature is 60 ℃ and the feeding speed is 12mL/min, taking out and sieving with an 80-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutive tea with the blood glucose reducing effect.
Example two
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 4 parts of semen pharbitidis for 5min at 225 ℃, adding the baked semen pharbitidis, 35 parts of bitter gourd, 10 parts of rhizoma anemarrhenae, 12 parts of fresh rehmannia and 12 parts of salvia miltiorrhiza into a pulverizer together, pulverizing, sieving with a 50-mesh sieve to obtain mixed powder I, adding water 11 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 50 ℃, and the soaking time is 2.5 h;
s2, heating the mixed material to 110 ℃, keeping the temperature, adding a grinding aid accounting for 0.03 percent of the total amount of the mixed material, grinding for 12min to prepare mixed slurry, cooling to 77 ℃, adding a regulator accounting for 0.08 times of the mixed slurry, stirring for 25min, and filtering to obtain a filtrate I, wherein the grinding aid is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 3:1, and the regulator is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 3: 1;
s3, adding 22 parts by weight of corn stigma, 12 parts by weight of medlar and 3 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 50-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to the mass ratio of 1.2:0.02:7, controlling the mixing temperature to be 48 ℃, controlling the pH value to be 5, carrying out enzymolysis treatment for 1.2h, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase according to the mass ratio of 1.2:1: 1.5;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 8min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.06:0.15, homogenizing for 22min under the conditions that the pressure is 14Mpa, the spray drying air inlet temperature is 105 ℃, the air outlet temperature is 82 ℃, the feeding temperature is 62 ℃ and the feeding speed is 13mL/min, taking out and sieving with a 90-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutional tea with the blood glucose reducing effect.
EXAMPLE III
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 5 parts of semen pharbitidis for 6min at 230 ℃, adding the baked semen pharbitidis, 40 parts of bitter gourd, 12 parts of rhizoma anemarrhenae, 15 parts of fresh rehmannia and 14 parts of salvia miltiorrhiza into a pulverizer together, pulverizing, sieving with a 60-mesh sieve to obtain mixed powder I, adding water which is 13 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 55 ℃, and the soaking time is 3 hours;
s2, heating the mixed material to 115 ℃, keeping the temperature, adding a grinding aid accounting for 0.04 percent of the total amount of the mixed material, grinding for 15min to prepare mixed slurry, cooling to 82 ℃, adding a regulator accounting for 0.9 time of the mixed slurry, stirring for 30min, and filtering to obtain a filtrate I, wherein the grinding aid is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 3.2:1, and the regulator is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 1: 2;
s3, adding 25 parts by weight of corn stigma, 14 parts by weight of medlar and 3.5 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 60-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to the mass ratio of 1.5:0.03:8, controlling the mixing temperature at 50 ℃ and the pH value at 5.5, carrying out enzymolysis for 1.5h, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase according to the mass ratio of 1.5:1: 2;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 10min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.08:0.2, homogenizing for 25min under the conditions that the pressure is 15Mpa, the spray drying air inlet temperature is 110 ℃, the air outlet temperature is 85 ℃, the feeding temperature is 65 ℃ and the feeding speed is 14mL/min, taking out and sieving with a 100-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutional tea with the blood glucose reducing effect.
Example four
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 6 parts of semen pharbitidis for 6min at 235 ℃, adding the baked semen pharbitidis, 45 parts of bitter gourd, 14 parts of rhizoma anemarrhenae, 18 parts of fresh rehmannia and 16 parts of salvia miltiorrhiza into a pulverizer together, pulverizing, sieving with a 70-mesh sieve to obtain mixed powder I, adding water which is 14 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 60 ℃, and the soaking time is 3.5 h;
s2, heating the mixed material to 120 ℃, keeping the temperature, adding a grinding aid accounting for 0.05 percent of the total amount of the mixed material, grinding for 18min to prepare mixed slurry, cooling to 87 ℃, adding a regulator accounting for 0.11 time of the mixed slurry, stirring for 35min, and filtering to obtain a filtrate I, wherein the grinding aid is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 3.4:1, and the regulator is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 3: 1;
s3, adding 28 parts by weight of corn stigma, 16 parts by weight of medlar and 4 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 70-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to the mass ratio of 1.8:0.04:9, controlling the mixing temperature to be 52 ℃ and the pH value to be 6, carrying out enzymolysis treatment for 1-2h, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase according to the mass ratio of 1.8:1: 2.5;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 12min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.08:0.25, homogenizing for 28min under the conditions that the pressure is 17Mpa, the spray drying air inlet temperature is 115 ℃, the air outlet temperature is 88 ℃, the feeding temperature is 68 ℃ and the feeding speed is 15mL/min, taking out and sieving with a 110-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutive tea with the blood glucose reducing effect.
EXAMPLE five
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 8 parts of semen pharbitidis for 8min at the temperature of 240 ℃, adding the baked semen pharbitidis, 50 parts of bitter gourd, 15 parts of rhizoma anemarrhenae, 20 parts of fresh rehmannia and 18 parts of salvia miltiorrhiza into a crusher together, crushing, sieving with a 80-mesh sieve to obtain mixed powder I, adding water which is 15 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 65 ℃, and the soaking time is 4 hours;
s2, heating the mixed material to 125 ℃, keeping the temperature, adding a grinding aid accounting for 0.06 percent of the total amount of the mixed material, grinding for 20min to prepare mixed slurry, cooling to 92 ℃, adding a regulator accounting for 0.12 time of the mixed slurry, stirring for 40min, and filtering to obtain a filtrate I, wherein the grinding aid is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 3.5:1, and the regulator is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 3: 1;
s3, adding 30 parts by weight of corn stigma, 18 parts by weight of medlar and 5 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 80-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to a mass ratio of 2:0.05:10, controlling the mixing temperature to be 55 ℃, controlling the pH value to be 6.5, carrying out enzymolysis treatment for 2 hours, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase in a mass ratio of 2:1: 3;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 15min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.1:0.3, homogenizing for 30min under the conditions that the pressure is 18Mpa, the spray drying air inlet temperature is 120 ℃, the air outlet temperature is 90 ℃, the feeding temperature is 70 ℃ and the feeding speed is 16mL/min, taking out and sieving with a 120-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutional tea with the blood glucose reducing effect.
Comparative example 1
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 5 parts of semen pharbitidis for 6min at 230 ℃, adding the baked semen pharbitidis, 40 parts of bitter gourd, 12 parts of rhizoma anemarrhenae, 15 parts of fresh rehmannia and 14 parts of salvia miltiorrhiza into a pulverizer together, pulverizing, sieving with a 60-mesh sieve to obtain mixed powder I, adding water which is 13 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 55 ℃, and the soaking time is 3 hours;
s2, heating the mixed material to 115 ℃, carrying out heat preservation and grinding for 15min to obtain mixed slurry, cooling to 82 ℃, adding a regulator which is 0.9 time of the mixed slurry, stirring for 30min, and filtering to obtain a filtrate I, wherein the regulator is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 1: 2;
s3, adding 25 parts by weight of corn stigma, 14 parts by weight of medlar and 3.5 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 60-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to the mass ratio of 1.5:0.03:8, controlling the mixing temperature at 50 ℃ and the pH value at 5.5, carrying out enzymolysis for 1.5h, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase according to the mass ratio of 1.5:1: 2;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 10min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.08:0.2, homogenizing for 25min under the conditions that the pressure is 15Mpa, the spray drying air inlet temperature is 110 ℃, the air outlet temperature is 85 ℃, the feeding temperature is 65 ℃ and the feeding speed is 14mL/min, taking out and sieving with a 100-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutional tea with the blood glucose reducing effect.
Comparative example No. two
The invention provides a preparation method of bitter gourd substitutional tea with the blood sugar reducing effect, which comprises the following steps:
s1, baking 5 parts of semen pharbitidis for 6min at 230 ℃, adding the baked semen pharbitidis, 40 parts of bitter gourd, 12 parts of rhizoma anemarrhenae, 15 parts of fresh rehmannia and 14 parts of salvia miltiorrhiza into a pulverizer together, pulverizing, sieving with a 60-mesh sieve to obtain mixed powder I, adding water which is 13 times of the total amount of the mixed powder, stirring and mixing, standing and soaking to obtain a mixed material for later use, wherein the soaking temperature is 55 ℃, and the soaking time is 3 hours;
s2, heating the mixed material to 115 ℃, keeping the temperature, adding a grinding aid accounting for 0.04 percent of the total amount of the mixed material, grinding for 15min to prepare mixed slurry, cooling to 82 ℃, stirring for 30min, and filtering to obtain a filtrate I, wherein the grinding aid is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 3.2: 1;
s3, adding 25 parts by weight of corn stigma, 14 parts by weight of medlar and 3.5 parts by weight of polygonum hydropiper into a pulverizer, pulverizing and sieving with a 60-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, a complex enzyme and water according to the mass ratio of 1.5:0.03:8, controlling the mixing temperature at 50 ℃ and the pH value at 5.5, carrying out enzymolysis for 1.5h, and filtering to obtain filtrate II, wherein the complex enzyme is prepared by compounding cellulase, pectinase and acetylcholinesterase according to the mass ratio of 1.5:1: 2;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 10min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together according to the mass ratio of 1:0.08:0.2, homogenizing for 25min under the conditions that the pressure is 15Mpa, the spray drying air inlet temperature is 110 ℃, the air outlet temperature is 85 ℃, the feeding temperature is 65 ℃ and the feeding speed is 14mL/min, taking out and sieving with a 100-mesh sieve, sterilizing and subpackaging to obtain the bitter gourd substitutional tea with the blood glucose reducing effect.
Case collection:
280 diabetes patients with fasting blood glucose lasting for 3 days and more than 12mmol/L are collected by the inventor, the ages of the patients are 20-70 years, and the ratio of male to female is 1: 1; the patients were divided into 7 groups (no significant difference in disease symptoms, comparable) on average, and the groups were designated as case group 1, case group 2, case group 3, case group 4, case group 5, case group 6, and case group 7, respectively.
The test method comprises the following steps: the 7 cases are respectively taken with the substitutional tea prepared in the first to fifth embodiments and the first and second comparative embodiments of the invention, and the substitutional tea comprises the following specific components: case group 1 took the substitutional tea prepared in the first example of the present invention, case group 2 took the substitutional tea prepared in the second example of the present invention, case group 3 took the substitutional tea prepared in the third example of the present invention, case group 4 took the substitutional tea prepared in the fourth day of the example of the present invention, case group 5 took the substitutional tea prepared in the fifth example of the present invention, case group 6 took the substitutional tea prepared in the first comparative example of the present invention, and case group 7 took the substitutional tea prepared in the second comparative example of the present invention; the taking method comprises the following steps: taking three bags a day, one bag is 15g, taking after 1 hour after meal, adding water for taking, continuously taking for 10 days, 20 days, 60 days, and after 90 days, measuring the fasting blood glucose value, calculating the blood glucose value decrease rate, and obtaining the following results:
table 1:
note: the blood sugar value decrease rate is [ (the sum of blood sugar values of patients in case group before taking the tea substitute-the sum of blood sugar values of patients in case group after taking the tea substitute) ] × 100%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A preparation method of bitter gourd substitutional tea with the blood sugar reducing effect is characterized by comprising the following steps:
s1, baking 2-8 parts of semen pharbitidis, adding 30-50 parts of bitter gourd, 8-15 parts of rhizoma anemarrhenae, 10-20 parts of fresh rehmannia root and 10-18 parts of salvia miltiorrhiza into a pulverizer, pulverizing, sieving with a 40-80-mesh sieve to obtain mixed powder I, adding water, stirring, mixing, standing, and soaking to obtain a mixed material for later use;
s2, heating the mixed material to 105-125 ℃, keeping the temperature, adding a grinding aid accounting for 0.02-0.06% of the total amount of the mixed material, grinding for 10-20min to prepare mixed slurry, cooling to 72-92 ℃, adding a regulator accounting for 0.07-0.12 times of the mixed slurry, stirring for 20-40min, and filtering to obtain a filtrate I;
s3, adding 20-30 parts by weight of corn stigma, 10-18 parts by weight of medlar and 2-5 parts by weight of polygonum hydropiper into a pulverizer together, pulverizing and sieving with a 40-80-mesh sieve to obtain mixed powder II, uniformly mixing the mixed powder II, complex enzyme and water, controlling the mixing temperature to be 45-55 ℃, the pH value to be 4.5-6.5, carrying out enzymolysis treatment for 1-2h, and filtering to obtain filtrate II;
s4, adding the filtrate I and the filtrate II into a high-speed centrifuge together, centrifuging for 5-15min to obtain a centrifugate, adding the centrifugate, xylitol and maltodextrin into a high-pressure homogenizer together, homogenizing for 20-30min, taking out, sieving with a 80-120 mesh sieve, sterilizing, and packaging to obtain the bitter gourd tea substitute with the blood sugar reducing effect.
2. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the baking temperature is 220-240 ℃ and the baking time is 4-8 min.
3. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the amount of water added in the step S1 is 10-15 times of the total amount of the mixed powder.
4. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the soaking temperature in the step S1 is 45-65 ℃, and the soaking time is 2-4 h.
5. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the grinding aid in the step S2 is prepared by compounding sodium trimetaphosphate and acetylated distarch phosphate in a mass ratio of 2.8-3.5: 1.
6. The preparation method of the bitter gourd substitutional tea with the blood sugar reducing effect according to claim 1, wherein the regulator in the step S2 is prepared by compounding tartaric acid and sodium chloride in a mass ratio of 1-3: 1-3.
7. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the complex enzyme in the step S3 is prepared by compounding cellulase, pectinase and acetylcholinesterase in a mass ratio of 1-2:1: 1-3.
8. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the mass ratio of the mixed powder II, the complex enzyme and the water in the step S3 is 1-2:0.01-0.05: 6-10.
9. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the mass ratio of the centrifugate to the xylitol to the maltodextrin in the step S4 is 1:0.05-0.1: 0.1-0.3.
10. The preparation method of the bitter gourd substituted tea with the blood sugar reducing effect according to claim 1, wherein the homogenization conditions in the step S4 are as follows: the pressure is 13-18Mpa, the air inlet temperature of spray drying is 100-120 ℃, the air outlet temperature is 80-90 ℃, the feeding temperature is 60-70 ℃, and the feeding speed is 12-16 mL/min.
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