阅读说明：本技术 一种低致敏婴幼儿配方植物乳粉的制备方法 (Preparation method of hypoallergenic infant formula plant milk powder ) 是由 柯楚新 于 2020-08-03 设计创作，主要内容包括：本发明提供一种低致敏婴幼儿配方植物乳粉的制备方法,涉及婴幼儿配方植物奶粉加工技术领域。所述低致敏婴幼儿配方植物乳粉的制备方法,主要包括大豆、豌豆蛋白及大米浸泡、磨浆、浆渣分离、酶解、灭酶及脱气、调配、均质、灭菌、降膜浓缩、喷雾干燥等步骤。本发明提供了一种低致敏婴幼儿配方植物乳粉的制备方法、生产的植物乳粉分散性及溶解性好,均衡营养,能够代替传统动物奶粉及其他婴幼儿配方辅食,满足婴幼儿生长所需全部营养物质,更易被婴幼儿吸收,并且具有高稳定性,适用于0-3岁婴幼儿各个生长阶段,极大的提升了农副产品的经济效益。(The invention provides a preparation method of hypoallergenic infant formula plant milk powder, and relates to the technical field of infant formula plant milk powder processing. The preparation method of the hypoallergenic infant formula plant milk powder mainly comprises the steps of soybean, pea protein and rice soaking, pulp grinding, pulp-residue separation, enzymolysis, enzyme deactivation and degassing, blending, homogenizing, sterilization, falling film concentration, spray drying and the like. The invention provides a preparation method of hypoallergenic infant formula plant milk powder, and the produced plant milk powder has good dispersibility and dissolubility and balanced nutrition, can replace traditional animal milk powder and other infant formula complementary foods, meets all nutrient substances required by infant growth, is easier to be absorbed by infants, has high stability, is suitable for various growth stages of infants of 0-3 years old, and greatly improves the economic benefits of agricultural and sideline products.)

1. The invention provides a preparation method of hypoallergenic infant formula plant milk powder, which is characterized by comprising the following steps: the preparation method of the hypoallergenic infant formula plant milk powder mainly comprises the steps of soybean, pea protein and rice soaking, pulp grinding, pulp-residue separation, enzymolysis, enzyme deactivation and degassing, blending, homogenizing, sterilization, falling film concentration, spray drying and the like.

2. The method for preparing hypoallergenic infant formula plant milk powder according to claim 1, characterized in that: soaking in the step (1): washing soybeans, wherein the mass ratio of the soybeans to water is 1: 4 to 4.2, adding sodium bicarbonate, adjusting the pH value to 4.8 to 5.2, controlling the temperature to be 55 to 60 ℃, and soaking for 10 to 12 hours; the mass ratio of the rice to the water is 1: 2-3, and the soaking time is 2-3 h.

3. The method for preparing hypoallergenic infant formula plant milk powder according to claim 1, characterized in that: grinding the soybean into thick liquid and separating pulp and residues in the step (2), cleaning the soybean, and adding clear water, wherein the mass ratio of the soybean to the water is 1: 2-2.5, grinding the pulp by using a stone mill, grinding the pulp by using two stone mills, grinding the pulp by using a colloid mill, feeding the pulp into a centrifuge, and passing the pulp through a 350-mesh screen, wherein the centrifugal speed is 18000rad/min-20000 rad/min; washing the rice, wherein the mass ratio of the rice to water is 1: 2-3, a stone mill, feeding the colloid mill into a centrifuge, wherein the centrifugal speed is 16000rad/min-18000rad/min, and passing the slurry through a 350-mesh screen.

4. The method for preparing hypoallergenic infant formula plant milk powder according to claim 1, characterized in that: and (3) mixing the pea protein and the rice milk in the step (3), wherein the mass ratio of the pea protein to the rice milk is 5-6: 1: 2; mixing, heating to 55-60 deg.C; adjusting pH to 8.2-9, adding alkaline protease and flavourzyme, and performing enzymolysis for 40-60 min; after enzymolysis, heating the solution in a steam direct-injection mode to quickly raise the temperature of the solution to 105-112 ℃, inactivating enzyme, keeping the temperature of the solution at 12-15S, and degassing.

5. The method for preparing hypoallergenic infant formula plant milk powder according to claim 1, characterized in that: adding 0.5-1% of soybean lecithin and 10-15% of maltodextrin; 8% -10% of pea protein; homogenizing; homogenizing under 10MPa for 30-40 s; adding 0.3-0.5% of choline bitartrate/(mg) to the mixed solution per 100L; vitamin A acetate (μ g RE) 14-43; beta-carotene (mg) 1.84-15; cholecalciferol (μ g) 0.25-0.60; 0.12-1.20 of alpha-tocopherol/(mg of alpha-TE); 1.0-6.5 parts of plant menadione/(mu g); l-ascorbic acid/(mg) 2.5-17.0; folic acid/(mug) 2.5-12.0; thiamine hydrochloride/(mug) 14-72; riboflavin/(mug) 19-119; pyridoxine hydrochloride/(μ g) 8.5-45.0; cyanocobalamin/(μ g) 0.025-0.360; 70-360 parts of nicotinic acid/(mu g); calcium pantothenate (. mu.g) 96-478; d-biotin (μ g) 0.4-2.4; 5-14 parts of sodium citrate/(mg); 14-43 parts of potassium chloride/(mg); calcium hydrogen phosphate/(mg) 123-; magnesium carbonate/(mg) 1.2-3.6; ferric pyrophosphate/(mg) 0.10-0.36; 0.12-0.3 parts of zinc gluconate/(mg); manganese sulfate/(mu g) 12-24; copper sulfate/(mug) 8.5-29.0; potassium iodide/(μ g) 2.5-14; 12-38 parts of sodium selenite/(mg); taurine/(mg) 0.1-3; homogenizing under 10-12 MPa for 20-30 s.

6. The method for preparing hypoallergenic infant formula plant milk powder according to claim 1, characterized in that: in the step (5), high-temperature short-time sterilization is adopted for sterilization, the sterilization temperature is 110-112 ℃, and the sterilization time is 2-3 min; falling film concentration to 40-42 Baume degree; and (5) spray drying.

Technical Field

The invention relates to the technical field of plant milk powder processing, in particular to a preparation method of hypoallergenic infant formula plant milk powder.

Background

Cow milk is the main food protein source for infants to replace breast milk, but is recognized by FAO/WHO as one of eight major food sources for causing allergy. In recent years, with the deterioration of the environment, the phenomenon of cow milk allergy of infants is more and more serious. The incidence of cow's milk allergy in preschool children is reported to be 1% -17.5%. The milk contains more than 30 proteins and has potential sensitization, wherein the main allergens are casein, alpha-lactalbumin and beta-lactoglobulin. At present, hypoallergenic milk powder on the domestic market is mostly imported from abroad or produced by branding, infant plant milk powder is not found, the local hypoallergenic milk powder brand does not appear, and a hypoallergenic infant plant milk powder box with an independent brand is designed to be developed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a preparation method of hypoallergenic infant formula plant milk powder, which adopts whole plants as raw materials, improves the palatability of the milk powder substitute, balances the nutrition, enables the obtained nutrients such as protein and the like to be more easily and efficiently absorbed by infants, and has high stability. The plant milk powder adopts grain processing byproducts such as soybean, pea protein and rice, so that the cost is low, and the economic benefit of the grain byproducts is improved.

In order to achieve the above purpose, the technical scheme of the invention is realized by the following technical scheme:

the invention provides a preparation method of hypoallergenic infant formula plant milk powder, which mainly comprises the steps of soybean, pea protein and rice soaking, pulping, pulp-residue separation, enzymolysis, enzyme deactivation, degassing, blending, homogenizing, sterilization, falling film concentration, spray drying and the like.

Soaking in the step (1): washing soybeans, wherein the mass ratio of the soybeans to water is 1: 4 to 4.2, adding sodium bicarbonate, adjusting the pH value to 4.8 to 5.2, controlling the temperature to be 55 to 60 ℃, and soaking for 10 to 12 hours; the mass ratio of the rice to the water is 1: 2-3, and the soaking time is 2-3 h.

Grinding the soybean into thick liquid and separating pulp and residues in the step (2), cleaning the soybean, and adding clear water, wherein the mass ratio of the soybean to the water is 1: 2-2.5, grinding the pulp by using a stone mill, grinding the pulp by using two stone mills, grinding the pulp by using a colloid mill, feeding the pulp into a centrifuge, and passing the pulp through a 350-mesh screen, wherein the centrifugal speed is 18000rad/min-20000 rad/min; washing the rice, wherein the mass ratio of the rice to water is 1: 2-3, a stone mill, feeding the colloid mill into a centrifuge, wherein the centrifugal speed is 16000rad/min-18000rad/min, and passing the slurry through a 350-mesh screen.

And (3) mixing the pea protein and the rice milk in the step (3), wherein the mass ratio of the pea protein to the rice milk is 5-6: 1: 2; mixing, heating to 55-60 deg.C; adjusting pH to 8.2-9, adding alkaline protease and flavourzyme, and performing enzymolysis for 40-60 min; after enzymolysis, heating the solution in a steam direct-injection mode to quickly raise the temperature of the solution to 105-112 ℃, inactivating enzyme, keeping the temperature of the solution at 12-15S, and degassing.

Adding 0.5-1% of soybean lecithin and 10-15% of maltodextrin; 8% -10% of pea protein; homogenizing; homogenizing under 10MPa for 30-40 s; adding 0.3-0.5% of choline bitartrate/(mg) to the mixed solution per 100L; vitamin A acetate (μ g RE) 14-43; beta-carotene (mg) 1.84-15; cholecalciferol (μ g) 0.25-0.60; 0.12-1.20 of alpha-tocopherol/(mg of alpha-TE); 1.0-6.5 parts of plant menadione/(mu g); l-ascorbic acid/(mg) 2.5-17.0; folic acid/(mug) 2.5-12.0; thiamine hydrochloride/(mug) 14-72; riboflavin/(mug) 19-119; pyridoxine hydrochloride/(μ g) 8.5-45.0; cyanocobalamin/(μ g) 0.025-0.360; 70-360 parts of nicotinic acid/(mu g); calcium pantothenate (. mu.g) 96-478; d-biotin (μ g) 0.4-2.4; 5-14 parts of sodium citrate/(mg); 14-43 parts of potassium chloride/(mg); calcium hydrogen phosphate/(mg) 123-; magnesium carbonate/(mg) 1.2-3.6; ferric pyrophosphate/(mg) 0.10-0.36; 0.12-0.3 parts of zinc gluconate/(mg); manganese sulfate/(mu g) 12-24; copper sulfate/(mug) 8.5-29.0; potassium iodide/(μ g) 2.5-14; 12-38 parts of sodium selenite/(mg); taurine/(mg) 0.1-3; homogenizing under 10-12 MPa for 20-30 s.

In the step (5), high-temperature short-time sterilization is adopted for sterilization, the sterilization temperature is 110-112 ℃, and the sterilization time is 2-3 min; falling film concentration to 40-42 Baume degree; and (5) spray drying.

The invention provides a preparation method of hypoallergenic infant formula plant milk powder, which has the following advantages compared with the prior art:

(1) the invention is fully soaked to ensure that the plants are in a germinating state, at the moment, the anti-nutritional factors such as lipoxygenase, trypsin inhibitor and the like in the soybeans are in an inhibiting state, and the nutrition such as gamma-aminobutyric acid, glutathione and the like is enriched, so that the invention can provide biological functional factors beneficial to growth for infants.

(2) According to the invention, protease is firstly used for enzymolysis, so that macromolecular protein can be effectively degraded into middle-short chain protein molecules, polypeptides, oligopeptides and amino acids, the protein sensitization groups are wrapped by enzyme shearing modification, and are easier to digest and absorb by infants, and meanwhile, emulsifier phospholipid and protein-grease-phospholipid composite system are added, so that the protein is more favorably dissolved.

(3) The hypoallergenic infant formula plant milk powder prepared by the invention has all nutrient substances required by the growth and development of infants, is not required to be supplemented by other nutrition-enriched foods, and is convenient to nourish.

Example 1:

the invention provides a preparation method of hypoallergenic infant formula plant milk powder, which mainly comprises the steps of soybean, pea protein and rice soaking, pulping, pulp-residue separation, enzymolysis, enzyme deactivation, degassing, blending, homogenizing, sterilization, falling film concentration, spray drying and the like.

Soaking in the step (1): washing soybeans, wherein the mass ratio of the soybeans to water is 1: 4, adding sodium bicarbonate, adjusting the pH value to 4.8, controlling the temperature to be 55 ℃, and soaking for 10 hours; the mass ratio of the rice to the water is 1: 2, soaking for 2 hours.

Grinding the soybean into thick liquid and separating pulp and residues in the step (2), cleaning the soybean, and adding clear water, wherein the mass ratio of the soybean to the water is 1: 2, grinding the pulp by using a stone mill, grinding the pulp by using a two-pass stone mill, grinding the pulp by using a colloid mill, and feeding the pulp into a centrifugal machine, wherein the centrifugal speed is 18000rad/min, and the pulp passes through a 350-mesh screen; washing the rice, wherein the mass ratio of the rice to water is 1: 2, a stone mill is used, the mixture enters a centrifuge in a colloid mill, the centrifugal speed is 16000rad/min, and the slurry passes through a 350-mesh screen.

And (3) mixing the pea protein and the rice milk in the step (3), wherein the mass ratio of the pea protein to the rice milk is 5: 1: 2; mixing, and heating to 55 deg.C; adjusting pH to 8.2, adding alkaline protease and flavourzyme, and performing enzymolysis for 40 min; after enzymolysis, heating the solution by a steam direct-injection method, quickly heating the solution to 105 ℃, inactivating enzyme, keeping the temperature of the solution at 12S, and degassing.

Step (4), adding 0.5% of soybean lecithin and 10% of maltodextrin; 8% of pea protein; homogenizing; homogenizing at 10MPa for 30 s; adding 0.3% of choline bitartrate/(mg) to each 100L of the mixed solution; vitamin a acetate (μ gRE) 14; beta-carotene (mg) 1.84; cholecalciferol (μ g) 0.25; 0.12 of alpha-tocopherol/(mg of alpha-TE); plant menadione/(mug) 1.0; l-ascorbic acid/(mg) 2.5; folic acid/(ug) 2.5; thiamine hydrochloride/(μ g) 14; riboflavin/(μ g) 19; pyridoxine hydrochloride/(μ g) 8.5; cyanocobalamin/(μ g) 0.025; nicotinic acid/(μ g) 70; calcium pantothenate (μ g) 96; d-biotin (μ g) 0.4; sodium citrate/(mg) 5; potassium chloride/(mg) 14; calcium hydrogen phosphate/(mg) 123; magnesium carbonate/(mg) 1.2; 0.10 of ferric pyrophosphate/(mg); 0.12 parts of zinc gluconate/(mg); manganese sulfate/(μ g) 12; copper sulfate/(μ g) 8.5; potassium iodide/(μ g) 2.5; sodium selenite/(mg) 12; taurine/(mg) 0.1; homogenizing at 10MPa for 20 s.

In the step (5), high-temperature short-time sterilization is adopted for sterilization, the sterilization temperature is 110 ℃, and the sterilization time is 2 min; falling film concentration to 40 Baume degree; and (5) spray drying.