CN113040221A - Stabilizer composition, liquid formula milk and preparation method thereof - Google Patents
Stabilizer composition, liquid formula milk and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/1522—Inorganic additives, e.g. minerals, trace elements; Chlorination or fluoridation of milk; Organic salts or complexes of metals other than natrium or kalium; Calcium enrichment of milk
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/1528—Fatty acids; Mono- or diglycerides; Petroleum jelly; Paraffine; Phospholipids; Derivatives thereof
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A23C9/00—Milk preparations; Milk powder or milk powder preparations
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- A23C9/154—Milk preparations; Milk powder or milk powder preparations containing additives containing thickening substances, eggs or cereal preparations; Milk gels
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- A—HUMAN NECESSITIES
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- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/156—Flavoured milk preparations ; Addition of fruits, vegetables, sugars, sugar alcohols or sweeteners
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/158—Milk preparations; Milk powder or milk powder preparations containing additives containing vitamins or antibiotics
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Abstract
The invention discloses a stabilizer composition, liquid formula milk and a preparation method thereof. The stabilizing agent composition adopts glyceryl monostearate, phospholipid, locust bean gum and carrageenan, the glyceryl monostearate and the phospholipid are utilized to play an emulsifying role, the locust bean gum and the carrageenan play a thickening role, particularly, negatively charged phospholipid can uniformly disperse protein in liquid, and simultaneously, the impact of charges carried by mineral substances on a liquid formula milk product can be buffered, the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan in the liquid formula milk product are protected from normally playing a role, and the stability of the liquid formula milk product is improved. The emulsifying effect of the product is improved by matching phospholipid with glyceryl monostearate. Namely, the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan are mutually cooperated and matched, and are suitable for being used as a stabilizer composition of a liquid formula milk product which is added with more mineral substances and is the infant formula milk.
Description
Technical Field
The invention belongs to the technical field of milk product preparation, and particularly relates to a stabilizer composition, liquid formula milk and a preparation method thereof.
Background
The liquid formula milk is a liquid dairy product formed by adding nutrient substances such as raw milk, lactose, fat raw materials, protein raw materials, vitamins, proteins, stabilizers and the like, and compared with conventional milk powder, the liquid formula milk is not required to be mixed with water, and is more convenient and rapid; the sanitary problem and the brewing concentration problem in the brewing process are not needed to be worried, and the nutrition is more balanced.
At present, the liquid formula milk has complex ingredients and the stability of the product is not easy to control. Various vitamins and minerals, protein raw materials and fat raw materials need to be added, and the regulations have strict requirements on the stabilizer which can be used in the product, so that the product stabilizing system is not easy to control.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that the stability of the existing liquid formula milk needs to be improved, and further provides a stabilizer composition, the liquid formula milk and a preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the stabilizer composition provided by the invention comprises the following raw materials in parts by weight:
in addition, the invention also provides liquid formula milk which comprises the following raw materials in parts by weight:
further, the mineral substance is composed of a first mineral substance and a second mineral substance, and the mass ratio of the metal element in the first mineral substance to the metal element in the second mineral substance is (0.0601-0.1105): (0.071-0.115), the first mineral comprises calcium salt, sodium salt and copper salt, and the second mineral comprises magnesium salt and/or magnesium oxide, potassium salt, iron salt, zinc salt and/or zinc oxide.
Further, the mass ratio of calcium element in the calcium salt, sodium element in the sodium salt and copper element in the copper salt is (0.05-0.08): (0.01-0.03): (0.0001-0.0005), preferably, the calcium salt is at least one of calcium carbonate, calcium chloride and tricalcium phosphate, the sodium salt is sodium citrate and/or sodium chloride, and the copper salt is copper sulfate and/or copper citrate;
the mass ratio of the magnesium element in the magnesium salt and/or the magnesium oxide, the potassium element in the potassium salt, the iron element in the iron salt, the zinc salt and/or the zinc element in the zinc oxide is (0.05-0.06): (0.01-0.03): (0.01-0.02): (0.001-0.005), preferably, the magnesium salt is magnesium hydrogen phosphate, the potassium salt is potassium chloride and/or potassium citrate, the iron salt is ferric pyrophosphate and/or ferric citrate, and the zinc salt is zinc citrate and/or zinc chloride.
Further, the vitamins consist of a first vitamin and a second vitamin, and the mass ratio of the first vitamin to the second vitamin is (0.5-3): (0.5-3);
preferably, the first vitamin is composed of vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A, the vitamin D, the vitamin E and the vitamin K1 is (1000-1500): 12-18): 15000-25000): 70-110;
the second vitamin comprises vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin is (18000) -25000, (500) -800), (400) -600, (100) -150), (400) -800, (100-200), (20-40), (15-25) and (4-8) to (4-8).
Further, the milk powder is prepared from the following components in percentage by mass (10-30): (10-30) skimmed milk powder and whole milk powder.
Further, the vegetable oil is a compound vegetable oil, and the compound vegetable oil is a mixture of at least two of soybean oil, corn oil, rapeseed oil, palm oil and peanut oil.
The liquid formula milk is a substitute for breast milk, and is a choice for the situation that the staff mother, the child, the old with the child and the like cannot conveniently feed. The formula is close to breast milk, contains various vitamins, mineral substances and various functional substances, and provides comprehensive nutrition for babies; the carrying is convenient, and the trip is convenient; the concentration is consistent, the device is convenient and sanitary, and adverse effects caused by inconsistent concentration of milk powder and insanitation in the brewing process are avoided. The product needs to be added with more nutrient elements, and has stricter regulation on the aspect of the stabilizer, so the stability of the product is not easy to control.
In the invention, the formula design of the liquid formula milk is scientific: the infant nutrition formula is scientifically designed according to the nutritional requirements of infants, and meanwhile, the problem of product stability is considered, raw materials from different sources are selected, and the addition amount is accurate, so that the product is more stable in the quality guarantee period; the formula design fully adjusts the adding amount, dosage form and source of minerals in the formula, and ensures that the minerals do not influence the stability of the product in the whole process.
In the invention, protein raw materials are added into the liquid formula milk product, so that the proportion of the protein in the product is optimized, and the proportion of the protein is closer to that of breast milk; the compound vegetable oil is added, so that the content of oleic acid, linoleic acid and linolenic acid in the product is improved, the oleic acid, the linoleic acid and the linolenic acid can be converted into various unsaturated fatty acids in vivo, and the development of brains, nervous systems, eyesight and the like of infants is promoted; according to the invention, various vitamins and minerals are added, the addition amount is scientifically designed according to the nutritional requirements required by the infant stage, the sources and dosage forms of the vitamins and minerals are adjusted, and the addition amount of the product is finely adjusted to make the product more stable; the invention simultaneously adds the emulsifier consisting of the glyceryl monostearate and the phospholipid, isolates, disperses and repels the homogenized fat ball membrane, keeps the uniform dispersion of the grease, further ensures the stability of the product and can reach the quality guarantee period of 9-12 months.
In addition, the invention also provides a preparation method of the liquid formula milk, which comprises the following steps:
putting the whole milk powder, the skim milk powder and the second vitamin into water for first mixing to obtain a first feed liquid;
adding the first vitamin into the vegetable oil for second mixing to obtain a second feed liquid, and carrying out third mixing on the first feed liquid and the second feed liquid to obtain a third feed liquid;
adding the stabilizer composition, lactose and/or white granulated sugar and the first mineral substance into raw milk for fourth mixing to obtain a fourth feed liquid;
adding a second mineral substance into water, carrying out fifth mixing to obtain a fifth material liquid, and carrying out sixth mixing on the third material liquid, the fourth material liquid and the fifth material liquid to obtain a sixth material liquid;
and homogenizing and sterilizing the sixth feed liquid to prepare the liquid formula milk.
Further, the first mixing comprises stirring at 40-50 deg.C for 8-12min at 70-80r/min, and standing for 25-35min for hydration;
the second mixing is to stir for 8-12min at 20-30 ℃ and 70-80 r/min;
the temperature of the third mixing is below 15 ℃, and the stirring speed is 70-80 r/min.
Further, the fourth mixing is that the raw milk is heated to 40-50 ℃, then the stabilizer composition, the lactose and/or the white granulated sugar and the first mineral substance are added into the raw milk, and the raw milk is stirred for 5-10min at 40-50 ℃ and 70-80r/min, and finally stirred for 8-12min at 70-80 ℃ and 70-80 r/min;
the fifth mixing is to stir for 8-12min at 40-50 ℃ and 70-80 r/min;
the temperature of the sixth mixing is below 15 ℃, and the stirring speed is 70-80 r/min.
Further, the temperature of the homogenization is 60-70 ℃, and the total pressure is 140-180 bar;
the sterilization temperature is 130-140 ℃ for 4-6 s.
In the invention, the process is optimized in a step-by-step material dissolving mode, mineral substances are dissolved in two steps, calcium, sodium and copper are dissolved together with protein raw materials and stabilizer compositions, the mineral substances such as potassium, iron, magnesium, zinc and the like are dissolved together with other carbon water raw materials, and the adverse effect of the mineral substances on the product stability in the process is weakened; the problem of product stability is improved, the phenomenon that a large amount of fat floats upwards and mineral substances precipitate in the shelf life of the product is guaranteed, and meanwhile, a synergistic antioxidation scheme is constructed by matching and combining different raw materials, so that the phenomenon that the oil such as vegetable oil is oxidized and rancid in the shelf life is prevented. The invention brings the following advantages: the formula design tends to be more reasonable, the product stability is better, and the product is suitable for serving as nutrition supplement for infants; the product system is more stable by adjusting the addition amount, the source and the dosage form of the mineral substances of the product; the stability of the product is enhanced by the process method, and the label is cleaned.
According to the infant formula, the formula is scientifically designed, and various vitamins, mineral substances and other nutrient substances are added, so that the daily nutritional requirements of infants can be met.
In the present invention, the mineral may also contain some excipients known in the art, such as lactose, which may act as carriers to protect the mineral. The vitamins also contain some auxiliary materials known in the art, such as lactose, which can be used as a carrier to protect the vitamins.
Compared with the prior art, the invention has the following beneficial effects:
(1) the stabilizing agent composition provided by the invention adopts glyceryl monostearate, phospholipid, locust bean gum and carrageenan, the glyceryl monostearate and the phospholipid are utilized to perform an emulsifying effect, the locust bean gum and the carrageenan perform a thickening effect, particularly, negatively charged phospholipid can uniformly disperse protein in liquid, and simultaneously, the impact of charges carried by mineral substances on a liquid formula milk product can be buffered, the normal functions of the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan in the liquid formula milk product are protected, and the stability of the liquid formula milk product is improved. The emulsifying effect of the product is improved by matching phospholipid with glyceryl monostearate. Namely, the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan are mutually cooperated and matched, and are suitable for being used as a stabilizer composition of a liquid formula milk product which is added with more mineral substances and is the infant formula milk.
(2) The liquid formula milk provided by the invention adopts raw milk, lactose and/or white granulated sugar, milk powder, vegetable oil, mineral substances, vitamins and a stabilizer composition, and a specific stabilizing system formed by the stabilizer composition can play a role in synergy with the raw milk, the lactose and/or white granulated sugar, the milk powder, the vegetable oil, the mineral substances and the vitamins, so that the stability of the liquid formula milk added with multiple raw materials such as the vitamins, the mineral substances and the like is enhanced.
(3) The liquid formula milk provided by the invention adopts a special mineral substance matching system, and the sources, dosage forms and addition proportions of various mineral substances are adjusted, so that the liquid formula milk product system is more stable, such as: different sources and addition ratios of minerals such as potassium, iron, zinc, magnesium and the like can influence the stability of the stabilizer and protein (the protein content is more than or equal to 2.5g/100g) in the product. Adjusting the dosage form of a portion of the mineral substance, such as: calcium, in order to make the product less sinking and more stable.
(4) The invention provides a preparation method of liquid formula milk, which adopts a special material dissolving process, and mainly separates minerals into two steps, calcium, sodium, copper and a stabilizer composition are dissolved together, other minerals (potassium, iron, zinc and magnesium) are separated, partial minerals influencing a stabilizer and protein in a product are separated from the stabilizer and protein raw materials, the influence of the minerals on the substances caused by long heating time in the whole process is avoided, the product is unstable (for example, serious protein flocculation and precipitation can be caused by careless operation), protein changeability caused by a conventional material dissolving method is avoided, vitamins are easy to lose, certain minerals greatly influencing a stabilizing system are separated, and the damage to the protein in the product and the subsequent precipitation are avoided in the heating process.
(5) The preparation method of the liquid formula milk provided by the invention adopts a step-by-step material melting mode, wherein the first step and the fourth step adopt clean water to melt materials at a lower temperature, the second step adopts vegetable oil to melt materials, and the third step adopts raw milk to melt materials and raise the temperature, so that the loss of partial nutrient substances is avoided, and the product stability can be enhanced.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 200kg of raw milk, 30kg of lactose, 10kg of full-fat milk powder, 10kg of skim milk powder, 10kg of compound vegetable oil, 2kg of first mineral substances, 2kg of second mineral substances, 0.5kg of first vitamins, 0.5kg of second vitamins, 3.1kg of stabilizer composition and the balance of water; wherein the first mineral substance comprises 0.05kg of calcium salt, 0.01kg of sodium salt and 0.0001kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises 0.05kg of magnesium oxide, 0.01kg of potassium salt, 0.01kg of iron salt and 0.001kg of zinc salt, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 0.5kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 0.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 1kg of glyceryl monostearate, 1kg of phospholipid, 1kg of locust bean gum and 0.1kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the preparation method of the liquid formula milk comprises the following steps:
(1) putting whole milk powder, skimmed milk powder and second vitamins into water for first mixing, wherein the first mixing comprises stirring at 45 deg.C and 75r/min for 10min, and standing at 45 deg.C for 30min for hydration to obtain first feed liquid;
(2) adding the first vitamin into vegetable oil for second mixing, wherein the second mixing is to stir at 25 ℃ and 75r/min for 10min to obtain a second material liquid, and the first material liquid and the second material liquid are subjected to third mixing, wherein the third mixing is to stir at 15 ℃ and 75r/min to obtain a third material liquid;
(3) adding the stabilizer composition, the lactose and the first mineral substance into raw milk to carry out fourth mixing, wherein the fourth mixing is to heat the raw milk to 45 ℃, then adding the stabilizer composition, the lactose and the first mineral substance into the raw milk, stirring the mixture for 6min at 45 ℃ and 75r/min, and finally stirring the mixture for 10min at 75 ℃ and 75r/min to obtain a fourth feed liquid;
(4) adding a second mineral substance into water for fifth mixing, wherein the fifth mixing is to stir at 45 ℃ and 75r/min for 10min to obtain a fifth feed liquid, and the third feed liquid, the fourth feed liquid and the fifth feed liquid are subjected to sixth mixing, wherein the sixth mixing is to stir at 10 ℃ and 75r/min to obtain a sixth feed liquid;
(5) and (3) homogenizing and sterilizing the sixth feed liquid in sequence, wherein the homogenizing temperature is 65 ℃, the total pressure is 160bar, the sterilizing temperature is 135 ℃, and the sterilizing temperature is 5s, so as to prepare the liquid formula milk, and cooling, aseptic canning, boxing and warehousing.
Example 2
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 600kg of raw milk, 40kg of lactose, 20kg of whole milk powder, 15kg of skim milk powder, 20kg of composite vegetable oil, 1.1kg of first mineral substance, 1.1kg of second mineral substance, 1.5kg of first vitamin, 1.5kg of second vitamin and 8.2kg of stabilizer composition, and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt, wherein the calcium salt is calcium chloride, the sodium salt is sodium chloride, and the copper salt is copper citrate; the second mineral substance comprises 0.055kg of magnesium salt, 0.015kg of potassium salt, 0.015kg of iron salt and 0.0015kg of zinc oxide by mass of metal elements in the second mineral substance, wherein the magnesium salt is magnesium hydrogen phosphate, the potassium salt is potassium citrate, and the iron salt is ferric citrate; 1.5kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 150:1.2:2500: 7; 1.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 18000:800:400:150:400:200:20:25:4: 8; the stabilizer composition comprises 3kg of glyceryl monostearate, 3kg of phospholipid, 2kg of locust bean gum and 0.2kg of carrageenan; the composite vegetable oil is a mixture of rapeseed oil and palm oil;
the preparation method of the liquid formula milk comprises the following steps:
(1) putting whole milk powder, skimmed milk powder and second vitamins into water for first mixing, wherein the first mixing comprises stirring at 40 deg.C and 80r/min for 8min, and standing at 50 deg.C for 25min for hydration to obtain first feed liquid;
(2) adding the first vitamin into vegetable oil for second mixing, wherein the second mixing is to stir at 20 ℃ and 80r/min for 8min to obtain a second material liquid, and the first material liquid and the second material liquid are subjected to third mixing, wherein the third mixing is to stir at 15 ℃ and 70r/min to obtain a third material liquid;
(3) adding the stabilizer composition, the lactose and the first mineral substance into raw milk for fourth mixing, wherein the fourth mixing is to heat the raw milk to 40 ℃, then adding the stabilizer composition, the lactose and the first mineral substance into the raw milk, stirring the raw milk at 40 ℃ and 80r/min for 5min, and finally stirring the raw milk at 80 ℃ and 70r/min for 12min to obtain a fourth feed liquid;
(4) adding a second mineral substance into water for fifth mixing, wherein the fifth mixing is to stir at 40 ℃ and 80r/min for 8min to obtain a fifth material liquid, and the third material liquid, the fourth material liquid and the fifth material liquid are subjected to sixth mixing, wherein the sixth mixing is to stir at 12 ℃ and 70r/min to obtain a sixth material liquid;
(5) and (3) sequentially homogenizing and sterilizing the sixth feed liquid, wherein the homogenizing temperature is 60 ℃, the total pressure is 180bar, the sterilizing temperature is 130 ℃, and the sterilizing temperature is 6s, so as to prepare the liquid formula milk, and cooling, aseptic canning, boxing and warehousing.
Example 3
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 800kg of raw milk, 60kg of lactose, 30kg of whole milk powder, 30kg of skim milk powder, 30kg of compound vegetable oil, 2.7kg of first mineral substances, 2.8kg of second mineral substances, 3kg of first vitamins, 3kg of second vitamins, 13.3kg of stabilizer composition and the balance of water; wherein the first mineral substance comprises 0.08kg of calcium salt, 0.03kg of sodium salt and 0.0005kg of copper salt by mass of metal elements in the first mineral substance, wherein the calcium salt is tricalcium phosphate, the sodium salt is sodium citrate, and the copper salt is copper citrate; the second mineral substance consists of 0.06kg of magnesium oxide, 0.03kg of potassium salt, 0.02kg of iron salt and 0.005kg of zinc oxide by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, and the iron salt is ferric pyrophosphate; 3kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 100:1.8:1500: 11; 3kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 25000:500:600:100:800:100:40:15:8: 4; the stabilizer composition comprises 5kg of glyceryl monostearate, 5kg of phospholipid, 3kg of locust bean gum and 0.3kg of carrageenan; the composite vegetable oil is a mixture of palm oil and peanut oil;
the preparation method of the liquid formula milk comprises the following steps:
(1) putting whole milk powder, skimmed milk powder and second vitamins into water for first mixing, wherein the first mixing comprises stirring at 50 deg.C and 70r/min for 12min, and standing at 40 deg.C for hydration for 35min to obtain first feed liquid;
(2) adding the first vitamin into vegetable oil for second mixing, wherein the second mixing is to stir at 30 ℃ and 70r/min for 12min to obtain a second material liquid, and the first material liquid and the second material liquid are subjected to third mixing, wherein the third mixing is to stir at 10 ℃ and 80r/min to obtain a third material liquid;
(3) adding the stabilizer composition, lactose and the first mineral substance into raw milk to carry out fourth mixing, wherein the fourth mixing is to heat the raw milk to 50 ℃, then adding the stabilizer composition, the lactose and the first mineral substance into the raw milk, stirring the mixture for 10min at 50 ℃ and 70r/min, and finally stirring the mixture for 8min at 70 ℃ and 80r/min to obtain a fourth feed liquid;
(4) adding a second mineral substance into water for fifth mixing, wherein the fifth mixing is to stir at 50 ℃ and 70r/min for 12min to obtain a fifth feed liquid, and the third feed liquid, the fourth feed liquid and the fifth feed liquid are subjected to sixth mixing, wherein the sixth mixing is to stir at 15 ℃ and 80r/min to obtain a sixth feed liquid;
(5) and (3) homogenizing and sterilizing the sixth feed liquid in sequence, wherein the homogenizing temperature is 70 ℃, the total pressure is 140bar, and the sterilizing temperature is 140 ℃ for 4s, so as to prepare the liquid formula milk, and cooling, aseptic canning, boxing and warehousing.
Example 4
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 200kg of raw milk, 60kg of lactose, 30kg of full-cream milk powder, 10kg of skim milk powder, 30kg of compound vegetable oil, 2.2kg of first mineral substances, 2.8kg of second mineral substances, 0.5kg of first vitamins, 3kg of second vitamins, 7.1kg of stabilizer compositions and the balance of water; wherein the first mineral substance comprises 0.05kg of calcium salt, 0.03kg of sodium salt and 0.0001kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises 0.05kg of magnesium oxide, 0.03kg of potassium salt, 0.01kg of iron salt and 0.005kg of zinc salt by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 0.5kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 120:1.7:1600: 10; 3kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 22000:600:500:120:700:130:35:18:7: 5; the stabilizer composition comprises 1kg of glyceryl monostearate, 5kg of phospholipid, 1kg of locust bean gum and 0.1kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the above liquid formula was prepared as in example 1.
Example 5
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 800kg of raw milk, 60kg of white granulated sugar, 10kg of full-cream milk powder, 30kg of skim milk powder, 12kg of composite vegetable oil, 2kg of first mineral substances, 2kg of second mineral substances, 0.5kg of first vitamins, 3kg of second vitamins, 7.1kg of stabilizer composition and the balance of water; wherein the first mineral substance comprises 0.05kg of calcium salt, 0.03kg of sodium salt and 0.0001kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises 0.05kg of magnesium oxide, 0.03kg of potassium salt, 0.01kg of iron salt and 0.005kg of zinc salt by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 0.5kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 140:1.5:2200: 9; 3kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 20000:700:450:130:600:150:30:20:6: 6; the stabilizer composition comprises 1kg of glyceryl monostearate, 5kg of phospholipid, 1kg of locust bean gum and 0.1kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the above liquid formula was prepared as in example 1.
Example 6
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 200kg of raw milk, 30kg of lactose, 10kg of full-cream milk powder, 30kg of skim milk powder, 12kg of composite vegetable oil, 1.5kg of first mineral substance, 2.2kg of second mineral substance, 1.5kg of first vitamin, 1.5kg of second vitamin and 3.1kg of stabilizer composition, and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises, by mass, 0.055kg of magnesium oxide, 0.015kg of potassium salt, 0.015kg of iron salt and 0.008kg of zinc salt, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 1.5kg of first vitamins, wherein the first vitamins are vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 1.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 1kg of glyceryl monostearate, 1kg of phospholipid, 1kg of locust bean gum and 0.1kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the above liquid formula was prepared as in example 1.
Example 7
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 400kg of raw milk, 40kg of lactose, 15kg of full-fat milk powder, 20kg of skim milk powder, 15kg of composite vegetable oil, 2kg of first mineral substances, 2kg of second mineral substances, 2.5kg of first vitamins, 2kg of second vitamins, 6.2kg of stabilizer compositions and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises 0.08kg of magnesium oxide, 0.015kg of potassium salt, 0.015kg of iron salt and 0.003kg of zinc salt by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 2.5kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 2kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 2kg of glyceryl monostearate, 2kg of phospholipid, 2kg of locust bean gum and 0.2kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the above liquid formula was prepared as in example 1.
Example 8
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 600kg of raw milk, 50kg of lactose, 20kg of whole milk powder, 25kg of skim milk powder, 25kg of compound vegetable oil, 1.1kg of first mineral substance, 1.1kg of second mineral substance, 3kg of first vitamin, 2.5kg of second vitamin and 6.1kg of stabilizer composition, and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt, wherein the calcium salt is calcium chloride, the sodium salt is sodium chloride, and the copper salt is copper citrate; the second mineral substance comprises 0.055kg of magnesium salt, 0.04kg of potassium salt, 0.015kg of iron salt and 0.003kg of zinc oxide by mass of metal elements in the second mineral substance, wherein the magnesium salt is magnesium hydrogen phosphate, the potassium salt is potassium citrate, and the iron salt is ferric citrate; 3kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 2.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 2kg of glyceryl monostearate, 2kg of phospholipid, 2kg of locust bean gum and 0.1kg of carrageenan; the composite vegetable oil is a mixture of rapeseed oil and palm oil;
the above liquid formula was prepared as in example 2.
Example 9
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 800kg of raw milk, 60kg of lactose, 30kg of whole milk powder, 30kg of skim milk powder, 30kg of compound vegetable oil, 2.7kg of first mineral substances, 2.8kg of second mineral substances, 1.5kg of first vitamins, 3kg of second vitamins, 6.2kg of stabilizer compositions and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt, wherein the calcium salt is tricalcium phosphate, the sodium salt is sodium citrate, and the copper salt is copper citrate; the second mineral substance comprises 0.055kg of magnesium oxide, 0.015kg of potassium salt, 0.04kg of iron salt and 0.003kg of zinc oxide by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, and the iron salt is ferric pyrophosphate; 1.5kg of first vitamins, wherein the first vitamins are vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 3kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 1kg of glyceryl monostearate, 2kg of phospholipid, 3kg of locust bean gum and 0.2kg of carrageenan; the composite vegetable oil is a mixture of palm oil and peanut oil;
the above liquid formula was prepared as in example 3.
Example 10
The embodiment provides a liquid formula milk and a preparation method thereof. The liquid formula milk is prepared from the following raw materials in 1000 kg: 600kg of raw milk, 40kg of lactose, 20kg of whole milk powder, 20kg of skim milk powder, 15kg of composite vegetable oil, 1.1kg of first mineral substance, 1.1kg of second mineral substance, 1.5kg of first vitamin, 1.5kg of second vitamin and 5.1kg of stabilizer composition, and the balance of water; wherein the first mineral substance consists of 0.06kg of calcium salt and 0.0003kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium chloride, the sodium salt is sodium chloride, and the copper salt is copper citrate; the second mineral substance comprises 0.06kg of magnesium salt, 0.02kg of iron salt, 0.003kg of zinc oxide and 0.003kg of zinc sulfate by mass of metal elements in the second mineral substance, wherein the magnesium salt is magnesium sulfate, and the iron salt is ferrous sulfate; 1.5kg of first vitamins, wherein the first vitamins are vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 1.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 1kg of glyceryl monostearate, 2kg of phospholipid, 2kg of locust bean gum and 0.1kg of carrageenan; the composite vegetable oil is a mixture of rapeseed oil and palm oil;
the above liquid formula was prepared as in example 2.
Comparative example 1
The present comparative example provides a liquid formula and a method for its preparation. The liquid formula milk is prepared from the following raw materials in 1000 kg: 400kg of raw milk, 40kg of lactose, 25kg of full-fat milk powder, 15kg of skim milk powder, 15kg of composite vegetable oil, 2kg of first mineral substances, 2kg of second mineral substances, 1.5kg of first vitamins, 1.5kg of second vitamins and 10.2kg of stabilizer composition, and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises 0.055kg of magnesium oxide, 0.015kg of potassium salt, 0.015kg of iron salt and 0.003kg of zinc salt by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 1.5kg of first vitamins, wherein the first vitamins are vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 1.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 6kg of glyceryl monostearate, 2kg of phospholipid, 2kg of locust bean gum and 0.2kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the above liquid formula was prepared as in example 1.
Comparative example 2
The present comparative example provides a liquid formula and a method for its preparation. The liquid formula milk is prepared from the following raw materials in 1000 kg: 750kg of raw milk, 50kg of lactose, 15kg of full-fat milk powder, 15kg of skim milk powder, 15kg of composite vegetable oil, 2kg of first mineral substances, 2kg of second mineral substances, 2.5kg of first vitamins, 2.5kg of second vitamins, 11.2kg of stabilizer composition and the balance of water; wherein the first mineral substance comprises 0.06kg of calcium salt, 0.015kg of sodium salt and 0.0003kg of copper salt by mass of metal elements in the first mineral substance, the calcium salt is calcium carbonate, the sodium salt is sodium citrate, and the copper salt is copper sulfate; the second mineral substance comprises 0.055kg of magnesium oxide, 0.015kg of potassium salt, 0.015kg of iron salt and 0.003kg of zinc salt by mass of metal elements in the second mineral substance, wherein the potassium salt is potassium chloride, the iron salt is ferric pyrophosphate, and the zinc salt is zinc citrate; 2.5kg of first vitamin, wherein the first vitamin is vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A to the vitamin D to the vitamin E to the vitamin K1 is 130:1.5:2000: 9; 2.5kg of second vitamin, wherein the second vitamin is vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, the nicotinamide, the pantothenic acid, the vitamin B6, the vitamin B12, the vitamin B1, the vitamin B2, the folic acid, the iodine and the biotin is 21000:650:500:130:600:150:30:20:6: 6; the stabilizer composition comprises 3kg of glyceryl monostearate, 6kg of phospholipid, 2kg of locust bean gum and 0.2kg of carrageenan; the composite vegetable oil is a mixture of soybean oil and corn oil;
the above liquid formula was prepared as in example 1.
Comparative example 3
The present comparative example provides a liquid formula and a method for its preparation. The liquid formula was the same as in example 1;
the preparation method of the liquid formula milk comprises the following steps:
(1) putting whole milk powder, skimmed milk powder, first vitamins and second vitamins into water for first mixing, wherein the first mixing comprises stirring at 45 ℃ and 75r/min for 10min, and standing at 45 ℃ for hydration for 30min to obtain first feed liquid;
(2) adding the stabilizer composition, the lactose and the first mineral substance into raw milk to carry out fourth mixing, wherein the fourth mixing is to heat the raw milk to 45 ℃, then adding the stabilizer composition, the lactose and the first mineral substance into the raw milk, stirring the mixture for 6min at 45 ℃ and 75r/min, and finally stirring the mixture for 10min at 75 ℃ and 75r/min to obtain a fourth feed liquid;
(3) adding a second mineral substance into water for fifth mixing, wherein the fifth mixing is to stir at 45 ℃ and 75r/min for 10min to obtain a fifth feed liquid, and the first feed liquid, the fourth feed liquid and the fifth feed liquid are subjected to sixth mixing, wherein the sixth mixing is to stir at 10 ℃ and 75r/min to obtain a sixth feed liquid;
(4) and (3) homogenizing and sterilizing the sixth feed liquid in sequence, wherein the homogenizing temperature is 65 ℃, the total pressure is 160bar, the sterilizing temperature is 135 ℃, and the sterilizing temperature is 5s, so as to prepare the liquid formula milk, and cooling, aseptic canning, boxing and warehousing.
Comparative example 4
The present comparative example provides a liquid formula and a method for its preparation. The liquid formula was the same as in example 1;
the preparation method of the liquid formula milk comprises the following steps:
(1) putting whole milk powder, skimmed milk powder and second vitamins into water for first mixing, wherein the first mixing comprises stirring at 45 deg.C and 75r/min for 10min, and standing at 45 deg.C for 30min for hydration to obtain first feed liquid;
(2) adding the first vitamin into vegetable oil for second mixing, wherein the second mixing is to stir at 25 ℃ and 75r/min for 10min to obtain a second material liquid, and the first material liquid and the second material liquid are subjected to third mixing, wherein the third mixing is to stir at 15 ℃ and 75r/min to obtain a third material liquid;
(3) adding the stabilizer composition, lactose, the first mineral substance and the second mineral substance into raw milk for fourth mixing, wherein the fourth mixing is to heat the raw milk to 45 ℃, then adding the stabilizer composition, the lactose and the first mineral substance into the raw milk, stirring the raw milk at 45 ℃ and 75r/min for 6min, and finally stirring the raw milk at 75 ℃ and 75r/min for 10min to obtain a fourth feed liquid;
(4) sixth mixing is carried out on the third feed liquid and the fourth feed liquid, wherein the sixth mixing is carried out for 10min at the temperature of 45 ℃ and at the speed of 75r/min, and a sixth feed liquid is obtained;
(5) and (3) homogenizing and sterilizing the sixth feed liquid in sequence, wherein the homogenizing temperature is 65 ℃, the total pressure is 160bar, the sterilizing temperature is 135 ℃, and the sterilizing temperature is 5s, so as to prepare the liquid formula milk, and cooling, aseptic canning, boxing and warehousing.
Comparative example 5
The present comparative example provides a liquid formula and a method for its preparation. The liquid formula was the same as in example 1; the only difference is that: in the present comparative example, no phospholipids were added to the stabilizer composition.
The above liquid formula was prepared as in example 1.
Comparative example 6
The present comparative example provides a liquid formula and a method for its preparation. The liquid formula was the same as in example 1; the only difference is that: in the stabilizer composition of this comparative example, glycerol monostearate was not added.
The above liquid formula was prepared as in example 1.
Test example 1
The liquid milk formulations prepared in examples 1 to 10 and comparative examples 1 to 6 were subjected to a stability test as follows: the system stability of the product is verified through a centrifugal test, the liquid formula milk sample with the same amount is introduced into a 10ml centrifugal tube, the centrifugal tube is centrifuged for 15min at the rotating speed of 4000 rpm, the precipitation amount ratio in the liquid formula milk sample is measured, the less the precipitation amount ratio in the liquid formula milk sample after the centrifugation is, the better the test result is as shown in the following table 1:
TABLE 1
From table 1 it can be seen that: the method adopts the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan, the glyceryl monostearate and the phospholipid play a role in emulsification, the locust bean gum and the carrageenan play a role in thickening, particularly the negatively charged phospholipid can uniformly disperse protein in liquid, and simultaneously the impact of charges carried by mineral substances on a liquid formula milk product can be buffered, the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan in the liquid formula milk product are protected from normally playing a role, and the stability of the liquid formula milk product is improved. The emulsifying effect of the product is improved by matching phospholipid with glyceryl monostearate. Namely, the glyceryl monostearate, the phospholipid, the locust bean gum and the carrageenan are mutually cooperated and matched, and are suitable for being used as a stabilizer composition of a liquid formula milk product which is added with more mineral substances and is the infant formula milk.
Test example 2
The shelf lives of the liquid formula milks prepared in examples 1-10 were all 9-12 months, and during the shelf lives, no significant fat floating and mineral precipitation or slight precipitation occurred in the liquid formula milks (examples 6-10); the liquid formula milks prepared in comparative examples 1 to 6 all showed different degrees of fat floating and mineral precipitation in a period of not more than 8 months.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1. A stabilizer composition comprises the following raw materials in parts by weight:
2. the liquid formula milk comprises the following raw materials in parts by weight:
3. the liquid formula according to claim 2, wherein the minerals consist of a first mineral and a second mineral, the mass ratio of the metallic elements of the first mineral to the metallic elements of the second mineral being (0.0601-0.1105): (0.071-0.115), the first mineral comprises calcium salt, sodium salt and copper salt, and the second mineral comprises magnesium salt and/or magnesium oxide, potassium salt, iron salt, zinc salt and/or zinc oxide.
4. The liquid formula of claim 3, wherein the mass ratio of calcium in the calcium salt, sodium in the sodium salt and copper in the copper salt is (0.05-0.08): (0.01-0.03): (0.0001-0.0005), preferably, the calcium salt is at least one of calcium carbonate, calcium chloride and tricalcium phosphate, the sodium salt is sodium citrate and/or sodium chloride, and the copper salt is copper sulfate and/or copper citrate;
the mass ratio of the magnesium element in the magnesium salt and/or the magnesium oxide, the potassium element in the potassium salt, the iron element in the iron salt, the zinc salt and/or the zinc element in the zinc oxide is (0.05-0.06): (0.01-0.03): (0.01-0.02): (0.001-0.005), preferably, the magnesium salt is magnesium hydrogen phosphate, the potassium salt is potassium chloride and/or potassium citrate, the iron salt is ferric pyrophosphate and/or ferric citrate, and the zinc salt is zinc citrate and/or zinc chloride.
5. The liquid formula according to claim 4, wherein the vitamins consist of a first vitamin and a second vitamin, the mass ratio of the first vitamin to the second vitamin being (0.5-3): (0.5-3);
preferably, the first vitamin is composed of vitamin A, vitamin D, vitamin E and vitamin K1, and the mass ratio of the vitamin A, the vitamin D, the vitamin E and the vitamin K1 is (1000-1500): 12-18): 15000-25000): 70-110;
the second vitamin comprises vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin, and the mass ratio of the vitamin C, nicotinamide, pantothenic acid, vitamin B6, vitamin B12, vitamin B1, vitamin B2, folic acid, iodine and biotin is (18000) -25000, (500) -800), (400) -600, (100) -150), (400) -800, (100-200), (20-40), (15-25) and (4-8) to (4-8).
6. The liquid formula according to claim 5, wherein the milk powder is prepared from (10-30) by mass: (10-30) skimmed milk powder and whole milk powder.
7. The liquid formula of claim 6, wherein the vegetable oil is a complex vegetable oil that is a mixture of at least two of soybean oil, corn oil, canola oil, palm oil, and peanut oil.
8. A method of preparing a liquid formula according to claim 6 or 7, comprising the steps of:
putting the whole milk powder, the skim milk powder and the second vitamin into water for first mixing to obtain a first feed liquid;
adding the first vitamin into the vegetable oil for second mixing to obtain a second feed liquid, and carrying out third mixing on the first feed liquid and the second feed liquid to obtain a third feed liquid;
adding the stabilizer composition, lactose and/or white granulated sugar and the first mineral substance into raw milk for fourth mixing to obtain a fourth feed liquid;
adding a second mineral substance into water, carrying out fifth mixing to obtain a fifth material liquid, and carrying out sixth mixing on the third material liquid, the fourth material liquid and the fifth material liquid to obtain a sixth material liquid;
and homogenizing and sterilizing the sixth feed liquid to prepare the liquid formula milk.
9. The method of claim 8, wherein the first mixing comprises stirring at 40-50 deg.C for 8-12min at 70-80r/min, and standing at 40-50 deg.C for 25-35min for hydration;
the second mixing is to stir for 8-12min at 20-30 ℃ and 70-80 r/min;
the temperature of the third mixing is below 15 ℃, and the stirring speed is 70-80 r/min.
10. The preparation method according to claim 8 or 9, wherein the fourth mixing is to heat the raw milk to 40-50 ℃, then add the stabilizer composition, lactose and/or white granulated sugar and the first mineral substance into the raw milk, stir the raw milk at 40-50 ℃ and 70-80r/min for 5-10min, and finally stir the raw milk at 70-80 ℃ and 70-80r/min for 8-12 min;
the fifth mixing is to stir for 8-12min at 40-50 ℃ and 70-80 r/min;
the temperature of the sixth mixing is below 15 ℃, and the stirring speed is 70-80 r/min.
11. The method according to any one of claims 8 to 10, wherein the temperature of the homogenization is 60 to 70 ℃, and the total pressure is 140-180 bar;
the sterilization temperature is 130-140 ℃ for 4-6 s.
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