CN111227217A - Low-sodium blood-enriching iodized salt and preparation method thereof - Google Patents

Low-sodium blood-enriching iodized salt and preparation method thereof Download PDF

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CN111227217A
CN111227217A CN202010117947.6A CN202010117947A CN111227217A CN 111227217 A CN111227217 A CN 111227217A CN 202010117947 A CN202010117947 A CN 202010117947A CN 111227217 A CN111227217 A CN 111227217A
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salt
sodium
low
enriching
blood
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刘金玲
陈登龙
陈昕霞
陈作平
林海珍
郭学琼
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Quangang Petrochemical Research Institute of Fujian Normal University
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Quangang Petrochemical Research Institute of Fujian Normal University
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/40Table salts; Dietetic salt substitutes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20Synthetic spices, flavouring agents or condiments
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105Plant extracts, their artificial duplicates or their derivatives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/16Inorganic salts, minerals or trace elements
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The invention discloses a low-sodium blood-enriching iodized salt and a preparation method thereof, and the preparation method comprises the following steps: dissolving common salt in warm water; adding folium Ginkgo-radix Angelicae sinensis extractive solution into the feed liquid, stirring to mix well to obtain mixed solution; filtering the mixed solution to obtain a filtrate; preheating the filtrate to 95 ℃, and controlling the temperature to evaporate; controlling the leaching of the crystal salt obtained by salt fishing, and drying by a dryer to obtain intermediate salt; adding potassium chloride, arillus longan extract, Auricularia extract, iodine solution, anticaking agent and food-grade sour agent into the intermediate salt, and stirring in a high-speed stirrer to obtain low-sodium blood-replenishing iodine salt. The low-sodium blood-enriching iodized salt prepared by the invention has low content of sodium ions, has the characteristics of enriching blood and preventing cardiovascular and cerebrovascular diseases, can meet the nutritional requirements of people, reduces the risks of hypertension and hyperlipidemia diseases caused by excessive salt intake, and has the advantages of simple preparation method, easy production process operation and wide application prospect.

Description

Low-sodium blood-enriching iodized salt and preparation method thereof
Technical Field
The invention relates to the technical field of edible salt, in particular to low-sodium blood-enriching iodized salt and a preparation method thereof.
Background
The edible salt is one of the necessities of human production and life, can be used as a flavoring agent, can be used for flavoring, can also adjust osmotic balance between cells and blood and normal water salt metabolism, and plays an important role in normal physiological activities of human bodies. However, the long-term excessive use of salt can cause the intake of sodium to be too high, which causes adverse damage to human bodies, such as hypertension, heart diseases, kidney diseases and other cardiovascular and cerebrovascular diseases. Therefore, how to reduce the sodium content while ensuring the seasoning of common salt and develop the health efficacy of common salt has been the focus of research.
Chinese patent CN109007751A discloses a low-sodium peptide salt, which is prepared from the following components: the sodium chloride, the Maillard flavor peptide, the potassium chloride, the sodium guanylate, the medlar powder, the flower mushroom extract and the natural spice extract are added into the salt, the Maillard flavor peptide is added into the salt to reduce the sodium content in the salt, and the flower drum extract is added to improve the nutritional value of the edible salt. However, the low natriuretic peptide salt prepared by the patent has no blood replenishing effect.
Chinese patent CN109090563A discloses a novel low-sodium salt and a preparation method thereof. The invention discloses a novel low-sodium salt which is composed of 60-80% of potassium chloride, 5-15% of calcium chloride, 0.01-2% of food-grade sweetening agent, 0.05-0.5% of food-grade sour agent, 0.01-0.2% of food-grade flavor enhancer, 0.0007-0.001% of anticaking agent and sodium chloride, and the content of sodium is reduced by the action of various taste modifiers. However, the novel low sodium salt prepared in this patent is of poor efficacy.
Disclosure of Invention
Aiming at the problems, the invention provides a low-sodium blood-enriching iodized salt and a preparation method thereof.
The technical scheme adopted by the invention for solving the problems is as follows: a preparation method of a low-sodium blood-enriching iodized salt comprises the following steps:
step A, dissolving common salt in warm water to prepare feed liquid with the concentration of 280 g/L-295 g/L; wherein the common salt is one of refined salt, natural crystal salt and well mineral salt.
Step B, adding the ginkgo leaf-angelica sinensis extracting solution into the feed liquid obtained in the step A, and stirring to uniformly mix the ginkgo leaf-angelica sinensis extracting solution and the feed liquid to obtain a mixed liquid;
step C, filtering the mixed solution obtained in the step B to obtain filtrate;
step D, preheating the filtrate obtained in the step C to 95 ℃, controlling the temperature to be 96-98 ℃ for evaporation, fishing salt once every 5 hours in the evaporation process, and continuously adding the filtrate obtained in the step C to keep the liquid level of an evaporation pot constant; the generation of snowflake crystal forms is ensured by controlling the preheating temperature in the evaporation crystallization process, and certain moisture is carried in the crystallization precipitation to form the characteristic of low sodium;
e, controlling and spraying the crystal salt obtained by fishing out the salt for 18-20 hours, and drying the crystal salt by using a dryer to obtain intermediate salt;
and F, adding potassium chloride, the arillus longan extract, the auricularia auricula essence, the iodine solution, the anti-caking agent and the food-grade sour agent into the intermediate salt obtained in the step E, and stirring the mixture in a high-speed stirrer for 15 minutes to obtain the low-sodium blood-enriching iodine salt.
Wherein, the Auricularia auricula extract can improve hematopoietic factor, increase iron absorption, effectively improve iron deficiency anemia symptom, and has good prevention and treatment effects on coronary heart disease, blood hyperviscosity, cardiovascular and cerebrovascular diseases; the potassium chloride is added into the salt to reduce the content of sodium in the salt, so that the salt is rich in potassium, is beneficial to the sodium-potassium balance in a human body, and reduces the risks of hypertension and cardiovascular diseases.
Further, in the step A, the temperature of the warm water is 60-68 ℃.
Further, in the step B, the preparation method of the ginkgo biloba leaf-angelica sinensis extract comprises the following steps: drying the ginkgo leaves and the angelica respectively, and mixing in a weight ratio of 5: 2-3; taking 90% ethanol as a solvent, controlling the temperature to be 65-80 ℃, performing reflux extraction for 2-4 times, combining reflux extracting solutions, and performing rotary evaporation to remove ethanol to obtain a ginkgo leaf-angelica sinensis extracting solution.
The ginkgo leaf extract contains flavonoid glycosides, ginkgolides A, B, C, M, bilobalides and ginkgolic acid effective substances, wherein the flavonoid glycosides have obvious curative effects on cardiovascular and cerebrovascular diseases (such as hypertension, hyperlipidemia and the like), are the most obvious medicines for treating the diseases in the world at present, and can effectively relieve the illness state of a patient with hypertension by adding the flavonoid glycosides into salt; the radix Angelicae sinensis extract has effects of replenishing blood and promoting blood circulation, and can be used in combination with folium Ginkgo extract to impart blood replenishing effect to salt.
Further, in step F, the preparation method of the arillus longan extract comprises: mixing arillus longan with deionized water in a weight ratio of 10: 25-45, and mashing with a high-speed mashing machine to obtain slurry; adding 12-25% of complex enzyme into the slurry, and carrying out ultrasonic treatment for 50-130 minutes to obtain an enzymatic hydrolysate; and heating to 85-95 ℃, preserving the heat for 20 minutes, filtering, collecting filtrate, and recovering the solvent under reduced pressure to obtain the arillus longan extract.
The longan pulp has the effects of tonifying heart and spleen, nourishing blood and soothing nerves, and can be added into the iodized salt to treat and relieve symptoms such as deficiency of qi and blood.
Further, the complex enzyme comprises at least two of protease, cellulase, pectinase and hemicellulase.
Further, the ultrasonic treatment conditions were: the temperature is 45-60 ℃, and the ultrasonic power is 600-1000W.
Further, in step F, the food-grade sour agent is selected from one or at least two of anhydrous citric acid, ferulic acid, tartaric acid and zinc lactate.
The invention also aims to provide the low-sodium blood-enriching iodized salt which is prepared according to the preparation method.
The invention has the advantages that:
(1) the low-sodium blood-enriching iodized salt prepared by the invention improves the blood enriching effect and prevents cardiovascular and cerebrovascular diseases of the iodized salt by adding the ginkgo leaf-angelica extract, the auricularia auricula-judae essence and the arillus longan extract in the preparation process, improves the flavor and the taste of the iodized salt by adding the food-grade sour agent, replaces the salty taste presented by sodium ions by adding potassium ions, reduces the content of sodium chloride and improves the health of the iodized salt;
(2) the Auricularia auricula essence in the low-sodium blood-enriching iodized salt prepared by the invention can improve hematopoietic factors, increase iron absorption, effectively improve iron-deficiency anemia symptoms, and has good prevention and treatment effects on coronary heart disease, blood hyperviscosity and cardiovascular and cerebrovascular diseases; the potassium chloride is added into the salt to reduce the content of sodium in the salt, so that the salt is rich in potassium, is beneficial to the sodium-potassium balance in a human body, and reduces the risks of hypertension and cardiovascular diseases; the ginkgo leaf-angelica extract is used in combination, so that the salt has the blood-enriching effect, and can also effectively relieve the illness state of a patient with hypertension and prevent cardiovascular and cerebrovascular diseases;
(3) the low-sodium blood-enriching iodized salt prepared by the invention has low content of sodium ions, has the characteristics of enriching blood and preventing cardiovascular and cerebrovascular diseases, can meet the nutritional requirements of people, reduces the risks of hypertension and hyperlipidemia diseases caused by excessive salt intake, and has the advantages of simple preparation method, easy production process operation and wide application prospect.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
Example 1
Low-sodium blood-enriching iodized salt and preparation method thereof
The low-sodium blood-enriching iodized salt is prepared by the following steps:
step A, dissolving common salt in warm water of 64 ℃ to prepare feed liquid with the concentration of 285 g/L;
step B, adding the ginkgo leaf-angelica sinensis extracting solution into the feed liquid obtained in the step A, and stirring to uniformly mix the ginkgo leaf-angelica sinensis extracting solution and the feed liquid to obtain a mixed liquid;
step C, filtering the mixed solution obtained in the step B to obtain filtrate;
step D, preheating the filtrate obtained in the step C to 95 ℃, controlling the temperature to be 97 ℃ for evaporation, fishing salt once every 5 hours in the evaporation process, and continuously adding the filtrate obtained in the step C to keep the liquid level of an evaporation pot constant;
e, controlling and leaching the crystal salt obtained by fishing out the salt for 19 hours, and drying the crystal salt by using a dryer to obtain intermediate salt;
and step F, adding 20kg of potassium chloride, 0.5kg of longan pulp extract, 0.2kg of auricularia auricula-judae extract, 5g of iodine solution, 5g of anticaking agent and 6g of food-grade sour agent into 100kg of intermediate salt obtained in the step E, wherein the food-grade sour agent is anhydrous citric acid, ferulic acid, tartaric acid and zinc lactate, and stirring the mixture in a high-speed stirrer for 15 minutes to obtain the low-sodium blood-enriching iodine salt.
The preparation method of the folium ginkgo-angelica sinensis extracting solution comprises the following steps: drying folium Ginkgo and radix Angelicae sinensis respectively, and mixing at a weight ratio of 5: 2.5; extracting with 90% ethanol as solvent at 72 deg.C under reflux for 3 times, mixing extractive solutions, and rotary evaporating to remove ethanol to obtain folium Ginkgo-radix Angelicae sinensis extractive solution.
The preparation method of the arillus longan extract comprises the following steps: mixing arillus longan with deionized water at a weight ratio of 10:35, and mashing with a high-speed mashing machine to obtain slurry; adding 18% of complex enzyme into the slurry, wherein the complex enzyme comprises protease, cellulase, pectinase and hemicellulase, and performing ultrasonic treatment for 90 minutes under the following conditions: obtaining enzymolysis liquid by ultrasonic power of 800W at the temperature of 53 ℃; heating to 90 deg.C, maintaining the temperature for 20 min, filtering, collecting filtrate, and recovering solvent under reduced pressure to obtain arillus longan extract.
Example 2
Low-sodium blood-enriching iodized salt and preparation method thereof
The low-sodium blood-enriching iodized salt is prepared by the following steps:
step A, dissolving common salt in warm water at 60 ℃ to prepare feed liquid with the concentration of 280 g/L;
step B, adding the ginkgo leaf-angelica sinensis extracting solution into the feed liquid obtained in the step A, and stirring to uniformly mix the ginkgo leaf-angelica sinensis extracting solution and the feed liquid to obtain a mixed liquid;
step C, filtering the mixed solution obtained in the step B to obtain filtrate;
step D, preheating the filtrate obtained in the step C to 95 ℃, controlling the temperature to be 96-98 ℃ for evaporation, fishing salt once every 5 hours in the evaporation process, and continuously adding the filtrate obtained in the step C to keep the liquid level of an evaporation pot constant;
e, controlling and leaching the crystal salt obtained by fishing out the salt for 18 hours, and drying the crystal salt by using a dryer to obtain intermediate salt;
and step F, adding 18kg of potassium chloride, 0.4kg of longan pulp extract, 0.1kg of auricularia auricula-judae extract, 4g of iodine solution, 3g of anti-caking agent and 5g of food-grade sour agent into 100kg of the intermediate salt obtained in the step E, putting the mixture into a high-speed stirrer, and stirring for 15 minutes to obtain the low-sodium blood-enriching iodine salt.
The preparation method of the folium ginkgo-angelica sinensis extracting solution comprises the following steps: drying folium Ginkgo and radix Angelicae sinensis respectively, and mixing at a weight ratio of 5: 2; extracting under reflux for 2 times at 65 deg.C with 90% ethanol as solvent, mixing extractive solutions, and rotary evaporating to remove ethanol to obtain folium Ginkgo-radix Angelicae sinensis extractive solution.
The preparation method of the arillus longan extract comprises the following steps: mixing arillus longan with deionized water at a weight ratio of 10:25, and mashing with a high-speed mashing machine to obtain slurry; adding 12% of complex enzyme into the slurry, wherein the complex enzyme comprises protease and cellulose, and carrying out ultrasonic treatment for 50 minutes under the following conditions: the temperature is 45 ℃, and the ultrasonic power is 600W, so as to obtain an enzymolysis liquid; heating to 85 deg.C, maintaining the temperature for 20 min, filtering, collecting filtrate, and recovering solvent under reduced pressure to obtain arillus longan extract.
Example 3
Low-sodium blood-enriching iodized salt and preparation method thereof
The low-sodium blood-enriching iodized salt is prepared by the following steps:
step A, dissolving common salt in warm water at 68 ℃ to prepare feed liquid with the concentration of 295 g/L;
step B, adding the ginkgo leaf-angelica sinensis extracting solution into the feed liquid obtained in the step A, and stirring to uniformly mix the ginkgo leaf-angelica sinensis extracting solution and the feed liquid to obtain a mixed liquid;
step C, filtering the mixed solution obtained in the step B to obtain filtrate;
step D, preheating the filtrate obtained in the step C to 95 ℃, controlling the temperature to be 96-98 ℃ for evaporation, fishing salt once every 5 hours in the evaporation process, and continuously adding the filtrate obtained in the step C to keep the liquid level of an evaporation pot constant; the generation of snowflake crystal forms is ensured by controlling the preheating temperature in the evaporation crystallization process, and certain moisture is carried in the crystallization precipitation to form the characteristic of low sodium;
e, controlling and leaching the crystal salt obtained by fishing out the salt for 20 hours, and drying the crystal salt by using a dryer to obtain intermediate salt;
and step F, adding 23kg of potassium chloride, 0.7kg of longan pulp extract, 0.25kg of auricularia auricula-judae extract, 3g of iodine solution, 4g of anticaking agent and 3g of food-grade sour agent into 100kg of the intermediate salt obtained in the step E, putting the mixture into a high-speed stirrer, and stirring for 15 minutes to obtain the low-sodium blood-enriching iodized salt.
The preparation method of the folium ginkgo-angelica sinensis extracting solution comprises the following steps: drying folium Ginkgo and radix Angelicae sinensis respectively, and mixing at a weight ratio of 5: 3; extracting under reflux for 4 times at 80 deg.C with 90% ethanol as solvent, mixing extractive solutions, and rotary evaporating to remove ethanol to obtain folium Ginkgo-radix Angelicae sinensis extractive solution.
The preparation method of the arillus longan extract comprises the following steps: mixing arillus longan with deionized water at a weight ratio of 10:45, and mashing with a high-speed mashing machine to obtain slurry; adding 25% of complex enzyme into the slurry, wherein the complex enzyme comprises protease, pectinase and hemicellulase, and performing ultrasonic treatment for 130 minutes under the following conditions: obtaining enzymolysis liquid by ultrasonic power of 1000W at the temperature of 60 ℃; heating to 95 deg.C, maintaining the temperature for 20 min, filtering, collecting filtrate, and recovering solvent under reduced pressure to obtain arillus longan extract.
Example 4
Low-sodium blood-enriching iodized salt and preparation method thereof
The low-sodium blood-enriching iodized salt is prepared by the following steps:
a, dissolving common salt in warm water at 62 ℃ to prepare feed liquid with the concentration of 290 g/L;
step B, adding the ginkgo leaf-angelica sinensis extracting solution into the feed liquid obtained in the step A, and stirring to uniformly mix the ginkgo leaf-angelica sinensis extracting solution and the feed liquid to obtain a mixed liquid;
step C, filtering the mixed solution obtained in the step B to obtain filtrate;
step D, preheating the filtrate obtained in the step C to 95 ℃, controlling the temperature to be 96-98 ℃ for evaporation, fishing salt once every 5 hours in the evaporation process, and continuously adding the filtrate obtained in the step C to keep the liquid level of an evaporation pot constant; the generation of snowflake crystal forms is ensured by controlling the preheating temperature in the evaporation crystallization process, and certain moisture is carried in the crystallization precipitation to form the characteristic of low sodium;
e, controlling and leaching the crystal salt obtained by fishing out the salt for 20 hours, and drying the crystal salt by using a dryer to obtain intermediate salt;
and step F, adding 24kg of potassium chloride, 0.2kg of longan pulp extract, 0.05kg of auricularia auricula-judae extract, 5g of iodine solution, 3.5g of anticaking agent and 4.5g of food-grade sour agent into 100kg of intermediate salt obtained in the step E, placing the mixture into a high-speed stirrer and stirring for 15 minutes to obtain the low-sodium blood-enriching iodine salt.
The preparation method of the folium ginkgo-angelica sinensis extracting solution comprises the following steps: drying folium Ginkgo and radix Angelicae sinensis respectively, and mixing at a weight ratio of 5: 2.7; extracting under reflux for 4 times at 70 deg.C with 90% ethanol as solvent, mixing extractive solutions, and rotary evaporating to remove ethanol to obtain folium Ginkgo-radix Angelicae sinensis extractive solution.
The preparation method of the arillus longan extract comprises the following steps: mixing arillus longan with deionized water at a weight ratio of 10:40, and mashing with a high-speed mashing machine to obtain slurry; adding 20% of complex enzyme into the slurry, wherein the complex enzyme comprises protease, cellulase and hemicellulase, and carrying out ultrasonic treatment for 60 minutes under the following conditions: the temperature is 50 ℃, and the ultrasonic power is 1200W, so as to obtain an enzymolysis liquid; heating to 90 deg.C, maintaining the temperature for 20 min, filtering, collecting filtrate, and recovering solvent under reduced pressure to obtain arillus longan extract.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A preparation method of a low-sodium blood-enriching iodized salt is characterized by comprising the following steps:
step A, dissolving common salt in warm water to prepare feed liquid with the concentration of 280 g/L-295 g/L;
step B, adding the ginkgo leaf-angelica sinensis extracting solution into the feed liquid obtained in the step A, and stirring to uniformly mix the ginkgo leaf-angelica sinensis extracting solution and the feed liquid to obtain a mixed liquid;
step C, filtering the mixed solution obtained in the step B to obtain filtrate;
step D, preheating the filtrate obtained in the step C to 95 ℃, controlling the temperature to be 96-98 ℃ for evaporation, fishing salt once every 5 hours in the evaporation process, and continuously adding the filtrate obtained in the step C to keep the liquid level of an evaporation pot constant;
e, controlling and spraying the crystal salt obtained by fishing out the salt for 18-20 hours, and drying the crystal salt by using a dryer to obtain intermediate salt;
and F, adding potassium chloride, the arillus longan extract, the auricularia auricula essence, the iodine solution, the anti-caking agent and the food-grade sour agent into the intermediate salt obtained in the step E, and stirring the mixture in a high-speed stirrer for 15 minutes to obtain the low-sodium blood-enriching iodine salt.
2. The low-sodium iodized salt for enriching blood according to claim 1, wherein the temperature of the warm water in step A is 60-68 ℃.
3. The low-sodium iodized salt for tonifying blood according to claim 1, wherein in step B, the preparation method of the ginkgo biloba leaf-angelica sinensis extract comprises: drying the ginkgo leaves and the angelica respectively, and mixing in a weight ratio of 5: 2-3; taking 90% ethanol as a solvent, controlling the temperature to be 65-80 ℃, performing reflux extraction for 2-4 times, combining reflux extracting solutions, and performing rotary evaporation to remove ethanol to obtain a ginkgo leaf-angelica sinensis extracting solution.
4. The low-sodium iodized salt for enriching blood as claimed in claim 1, wherein in step F, the preparation method of the arillus longan extract comprises: mixing arillus longan with deionized water in a weight ratio of 10: 25-45, and mashing with a high-speed mashing machine to obtain slurry; adding 12-25% of complex enzyme into the slurry, and carrying out ultrasonic treatment for 50-130 minutes to obtain an enzymatic hydrolysate; and heating to 85-95 ℃, preserving the heat for 20 minutes, filtering, collecting filtrate, and recovering the solvent under reduced pressure to obtain the arillus longan extract.
5. The low-sodium blood-enriching iodized salt as claimed in claim 4, wherein the complex enzyme comprises at least two of protease, cellulase, pectinase and hemicellulase.
6. The low-sodium iodonium hematinic salt of claim 4 wherein said sonication conditions are: the temperature is 45-60 ℃, and the ultrasonic power is 600-1000W.
7. The low-sodium blood-enriching iodized salt as claimed in claim 1, wherein in step F, the food grade acidulant is selected from one or at least two of anhydrous citric acid, ferulic acid, tartaric acid and zinc lactate.
8. A low-sodium iodized blood-enriching salt prepared by the preparation method of any one of claims 1 to 7.
CN202010117947.6A 2020-02-26 2020-02-26 Low-sodium blood-enriching iodized salt and preparation method thereof Pending CN111227217A (en)

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