CN104585325A - High-stability coconut and cow milk beverage and preparation method thereof - Google Patents
High-stability coconut and cow milk beverage and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-stability coconut and cow milk beverage and a preparation method thereof. Raw materials of the preparation method comprise: 36-50 percent of raw milk, 1.0-6.5 percent of a coconut milk raw material, 0.05-0.15 percent of glycerin monostearate, 0.03-0.06 percent of sucrose fatty acid ester, 0.05-0.15 percent of sodium caseinate, 0.015-0.25 percent of a stabilizer, 0.01-0.04 percent of edible buffer salt, 2-8 percent of a sweetening agent and the balance being water. The preparation method comprises the following steps: (1) mixing raw materials; (2) homogenizing for the first time, refrigerating, mixing after standing, and homogenizing for the second time; and (3) sterilizing and cooling. The high-stability coconut and cow milk beverage disclosed by the invention is clear and cool in taste, and high in stability. According to the preparation method of the high-stability coconut and cow milk beverage, the phenomenon of high-temperature coking in a preparation process is effectively reduced.
Description
Technical field
The present invention relates to food processing field.Relate to a kind of high stability coconut cow milk beverage and preparation method thereof particularly.
Background technology
On Chinese beverage market, Coconut Juice drink is a for many years extensively by the plant beverage of consumers.This product has all multiple enterprises in production, it is that for primary raw material processes, (the present invention does not discuss coconut milk to the fresh coconut palm slurry adopting fresh coconut meat to squeeze, namely the liquid that in coconut nut chamber, available insertion suction pipe is directly drunk, the product processed), main component in coconut palm slurry is fat and carbohydrate, and protein is little.Coconut palm slurry also can be processed into coconut powder (being also coconut slurry powder) by concentrate drying.Coconut Juice drink is creamy white because appearance looks, is also often called as " coconut milk ", and in fact it is not containing milk elements, wherein containing abundant medium chain fatty acid, but low percentages of protein.And cow's milk contains abundant high-quality protein, if Coconut Juice and cow's milk combined, the nutrition of product can be more abundant and comprehensive.
Coconut milk commercially available is at present thin, the clean taste of quality mostly, and wherein the classical taste of the pure full outstanding Coconut Juice product of fragrance is rooted in the hearts of the people already.When developing the milk beverage of coconut local flavor, still tend to retain pure full, the thin salubrious feature of quality of its fragrance.For balance milk local flavor and coconut local flavor, need in milk beverage, add q.s coconut powder or coconut palm slurry, can bring a large amount of fat into thus, also will maintain thin salubrious mouthfeel simultaneously, therefore this kind of coconut milk drink encounters problem in product stability.In coconut milk drink actual production process, the subject matter run into is: product is carrying out super pasteurize (120 DEG C-130 DEG C, 15s-30s) or UHT (137 DEG C-142 DEG C, 4-7s) during sterilizing, more serious coking can be there is at inner-walls of duct, along with the prolongation of sterilizing time, on tube wall, coking layer constantly thickens, the temperature difference of heating steam and material constantly expands thereupon, when the temperature difference reaches a threshold value, then need to suspend the cleaning of producing and carrying out sterilization duct, bring following adverse consequences thus: (1) Clean after every time shorten, cleaning charge rises, production time extends, (2) heating steam temperature constantly rises, and heat energy loss increases, (3) sterilization heat conduction efficiency is unstable, brings the risk that product bactericidal effect is bad, (4) coking material in tube wall may be fallen by punching, has the risk flowing in finished product and form impurity.
Summary of the invention
Of the present invention wanted technical solution problem is, overcomes the problem of easy coking when coconut powder in prior art or coconut slurry powder addition is higher, product quality is thin coconut milk drink sterilization, provides a kind of high stability coconut cow milk beverage and preparation method thereof.Coconut cow milk beverage of the present invention can meet pure full, the thin salubrious local flavor requirement of mouthfeel of fragrance, there is again good stability, and in the high temperature section not easily coking of sterilization duct.
One of technical solution of the present invention: a kind of preparation method of high stability coconut cow milk beverage, it comprises following raw material: 36%-50% raw milk, 1.0%-6.5% coconut palm slurry raw material, 0.05%-0.15% glycerin monostearate, 0.05%-0.15% casein sodium, 0.03%-0.06% sucrose fatty ester, 0.015%-0.25% stabilizing agent, 0.01%-0.04% edible buffer salt, 2%-8% sweetener and the water mended to 100%; Described stabilizing agent is gellan gum or the combination for microcrystalline cellulose and sodium carboxymethylcellulose; The total amount of described glycerin monostearate, sucrose fatty ester and casein sodium accounts for the 0.18%-0.25% of raw material gross mass; Described percentage is the mass percent accounting for raw material gross mass; Described preparation method comprises the following steps: described raw material is prepared burden by (1), described batching comprises the steps: a) to be mixed with the water accounting for raw material gross mass 10%-30% by described raw milk, be heated to 60 DEG C-70 DEG C, obtain feed liquid 1; B) in described feed liquid 1, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 10min-15min, after mixing, then leave standstill 15min-20min, obtain feed liquid 2; C) described feed liquid 2 is continued to be heated to 80 DEG C-90 DEG C, add stabilizing agent, mix, obtain feed liquid 3; D) described feed liquid 3 is crossed colloid mill, then mix with the water complementing to raw material gross mass 100%, obtain batching feed liquid; (2) by described batching feed liquid first time homogeneous, stir after refrigeration leaves standstill, then carry out second time homogeneous, obtain homogeneous feed liquid; (3) by the sterilization of described homogeneous feed liquid, cooling, product is obtained.
Preparation method of the present invention preferably can also comprise step (4), and described step (4) is: filling.
In the present invention, described coconut palm slurry raw material is that this area is conventional, is preferably coconut powder or coconut palm slurry.Wherein, the addition of described coconut powder is preferably 1.0%-2.5%, be more preferably 1.2%-1.8%, be 1.6% best, the addition of described coconut palm slurry is preferably 2.6%-6.5%, be more preferably 3.1%-4.7%, be 4.2% best, described percentage is the mass percent accounting for raw material gross mass.
In the present invention, the content of described glycerin monostearate is 0.05%-0.15%, is preferably 0.09%-0.12%, and described percentage is the mass percent accounting for raw material gross mass.
In the present invention, the content of described sucrose fatty ester is 0.03%-0.06%, is preferably 0.04%-0.05%, and described percentage is the mass percent accounting for raw material gross mass.
In the present invention, the content of described casein sodium is 0.05%-0.15%, is preferably 0.08%-0.12%, and described percentage is the mass percent accounting for raw material gross mass.
In the present invention, described stabilizing agent is preferably 0.015%-0.03% gellan gum, or be the combination of 0.1%-0.2% microcrystalline cellulose and 0.02%-0.06% sodium carboxymethylcellulose, be more preferably 0.018%-0.024% gellan gum, or be the combination of 0.14%-0.18% microcrystalline cellulose and 0.04%-0.05% sodium carboxymethylcellulose.Described percentage is the mass percent accounting for raw material gross mass.
In the present invention, described edible buffer salt is that this area is conventional, one or more preferably for being selected from natrium citricum, sodium phosphate trimer, sodium pyrophosphate and calgon.The total addition level of described edible buffer salt is preferably 0.01%-0.04%, is more preferably 0.015%-0.025%, is 0.025% best.Described percentage is the mass percent accounting for raw material gross mass.
In the present invention, described sweetener is that this area is conventional, is preferably white granulated sugar and/or HFCS.The addition of described sweetener is preferably 4%-6%, is more preferably 6%.Described percentage is the mass percent accounting for raw material gross mass.
In the present invention, in described raw material, preferably rare cream be can also comprising, the mouthfeel for adjusting product and fragrance its objective is.The content of described rare cream be preferably 1%-2%, that better is 1.2%-1.8%, is 1.8% best.Described rare cream is preferably at the b of described step (1)) in add glycerin monostearate before add.Described percentage is the mass percent accounting for raw material gross mass.
In the present invention, in described raw material, preferably can also comprising flavoring essence, its objective is the local flavor for adjusting product.Described flavoring essence is preferably at the d of described step (1)) in cross after colloid mill and add.The addition of described flavoring essence is that this area is conventional, and be preferably 0.03%-0.08%, that better is 0.04%-0.06%, is 0.05% best.Described percentage is the mass percent accounting for raw material gross mass.
In the present invention, the preferred drinking water of described water.
In preparation method of the present invention, step (1) is: prepared burden by described raw material, obtains batching feed liquid.Wherein, described batching comprises the following steps: a) mixed with the water accounting for raw material gross mass 10%-30% by described raw milk, is heated to 60 DEG C-70 DEG C, obtains feed liquid 1; B) in described feed liquid 1, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 10min-15min, after mixing, then leave standstill 15min-20min, obtain feed liquid 2; C) described feed liquid 2 is continued to be heated to 80 DEG C-90 DEG C, add stabilizing agent, mix, obtain feed liquid 3; D) by described feed liquid 3 cross colloid mill, then with complement to raw material gross mass absolutely water mix, obtain batching feed liquid; Wherein, the mixing c) is preferably for being uniformly mixed, and the time of described mixing is that this area is conventional, and be preferably 10min-15min, that better is 13min-15min, and that best is 15min.
In preparation method of the present invention, step (2) is: by described batching feed liquid first time homogeneous, stir, then carry out second time homogeneous, obtain homogeneous feed liquid after refrigeration leaves standstill.Wherein, described in step (2) first time homogeneous processing condition be that this area is conventional, described first time, the temperature of homogeneous was preferably 60 DEG C-70 DEG C, be more preferably 65 DEG C-70 DEG C, be 65 DEG C best, described first time, the pressure of homogeneous was preferably 160bar-200bar, and being more preferably 180bar-200bar, is 200bar best; The temperature that described refrigeration leaves standstill is that this area is conventional, and being preferably 2 DEG C-10 DEG C, is more preferably 4 DEG C-6 DEG C, is 4 DEG C best, and the time that described refrigeration leaves standstill is preferably 2h-6h, and being more preferably 3h-5h, is 5h best; Described stirring is that this area is conventional, and the time of described stirring is preferably 10min-15min, is more preferably 12min-15min, is 13min best.The processing condition of described second time homogeneous is that this area is conventional, the temperature of described second time homogeneous is preferably 60 DEG C-70 DEG C, be more preferably 65 DEG C-70 DEG C, best is 65 DEG C, the pressure of described second time homogeneous is preferably 300bar-360bar, be more preferably 330bar-350bar, that best is 350bar.
In preparation method of the present invention, step (3) is: by described homogeneous feed liquid sterilization, and cooling, obtains product.Described sterilization is that this area is conventional, and be preferably super pasteurize or UHT, the temperature of described super pasteurize is preferably 120 DEG C-130 DEG C, be more preferably 120 DEG C-128 DEG C, be 125 DEG C best, the time of described super pasteurize is preferably 15s-30s, is more preferably 15s-20s, be 20s best, the temperature of described UHT is preferably 137 DEG C-142 DEG C, is more preferably 137 DEG C-139 DEG C, is 137 DEG C best, the time of described UHT is preferably 4s-7s, is more preferably 4s; Described is cooled to this area routine, the temperature of described cooling preferably for being cooled to 2 DEG C-20 DEG C, more preferably for being cooled to 4 DEG C-10 DEG C, best for being cooled to 6 DEG C.
In preparation method of the present invention, step (4) is: filling.Described filling be that this area is conventional, be preferably filling the or sterile filling of cleaning, is more preferably sterile filling.
Technical solution of the present invention two: a kind of high stability coconut cow milk beverage, it is preparation-obtained by the preparation method as described in one of technical solution of the present invention.Protein content in described high stability coconut cow milk beverage is preferably 1.1%-1.6%, and fat content is preferably 1.8%-3.0%, and carbohydrate content is preferably 4.0%-11.0%, and content of milk protein is preferably 1.0%-1.5%.Described percentage is the mass percent accounting for product gross mass.The ratio that fat in described fat in coconut palm slurry raw material accounts for total fat is preferably 35%-57%.Fat in described percentage to be mass percent be coconut palm slurry raw material account for the gross mass of fat in described high stability coconut cow milk beverage mass percent.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can be combined, obtain the preferred embodiments of the invention.
Agents useful for same of the present invention and raw material are all commercially.
The use amount of raw material of the present invention is no more than the use amount of the food additives of national regulation.
Positive progressive effect of the present invention is: for coconut milk drink less stable on the market, and high-temperature coking this two problems relatively serious in process of production, the invention provides a kind of high stability, the coconut milk drink of clean taste.Present invention also offers a kind of preparation method of described coconut milk drink simultaneously, the combination of the composition and engineering of the method, effectively stabilize the protein in product and fat, make protein when high temperature sterilization not mutability form coking at tube wall, simultaneously fat can not be assembled and is attached on tube wall.
Accompanying drawing explanation
Fig. 1 is the grain size distribution of different coconut cow milk beverage.C represents embodiment 5, a and represents comparative example 5, b and represent comparative example 6.
Fig. 2 is the grain size distribution of different coconut cow milk beverage.F represents embodiment 5, d and represents comparative example 7, e and represent comparative example 8.
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.The experimental technique of unreceipted actual conditions in the following example, conventionally and condition, or selects according to catalogue.
Embodiment 1
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 70 DEG C, water consumption is 10% of raw material gross mass, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 10min, after mixing, then leave standstill 20min, continue to be heated to 80 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 15min, then mix with remaining water;
(2) 65 DEG C, 180bar first time homogeneous; 10min is stirred after 4 DEG C of refrigerations leave standstill 3h; 60 DEG C, 300bar second time homogeneous;
(3) at 120 DEG C, be incubated 15s sterilization, be cooled to 10 DEG C;
(4) clean filling.
Product index:
Embodiment 2
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 60 DEG C, water consumption is 20% of raw material gross mass, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 15min, after mixing, then leave standstill 15min, continue to be heated to 90 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 10min, then mix with remaining water;
(2) 70 DEG C, 200bar first time homogeneous; 15min is stirred after 2 DEG C of refrigerations leave standstill 6h; 65 DEG C, 350bar second time homogeneous;
(3) at 130 DEG C, be incubated 20s sterilization, be cooled to 4 DEG C;
(4) clean filling.
Product index:
Embodiment 3
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 65 DEG C, water consumption is 30% of raw material gross mass, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 15min, after mixing, then leave standstill 18min, continue to be heated to 85 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 12min, then mix with remaining water;
(2) 60 DEG C, 160bar first time homogeneous; 12min is stirred after 10 DEG C of refrigerations leave standstill 2h; 70 DEG C, 330bar second time homogeneous;
(3) at 125 DEG C, be incubated 30s sterilization, be cooled to 2 DEG C.
Product index:
Embodiment 4
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 63 DEG C, water consumption is 15% of raw material gross mass, add rare cream, glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 11min, after mixing, then leave standstill 16min, continue to be heated to 82 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 14min, then mix with remaining water;
(2) 63 DEG C, 170bar first time homogeneous; 12min is stirred after 6 DEG C of refrigerations leave standstill 5h; 70 DEG C, 360bar second time homogeneous;
(3) at 128 DEG C, be incubated 16s sterilization, be cooled to 6 DEG C;
(4) clean filling.
Product index:
Embodiment 5
The raw material of coconut cow milk beverage is as follows:
(1) prepare burden: after raw milk being added part water, be warming up to 68 DEG C, water consumption is 25% of raw material gross mass, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener successively, stir 13min, after mixing, then leave standstill 17min, continue to be heated to 88 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 11min, then mix with remaining water;
(2) 66 DEG C, 190bar first time homogeneous; 14min is stirred after 3 DEG C of refrigerations leave standstill 4h; 68 DEG C, 340bar second time homogeneous;
(3) at 137 DEG C, be incubated 4s sterilization, be cooled to 20 DEG C;
(4) clean filling.
Product index:
Embodiment 6
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 66 DEG C, water consumption is 22% of raw material gross mass, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener more successively, stir 14min, after mixing, then leave standstill 19min, continue to be heated to 86 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 13min, then mix with remaining water;
(2) 68 DEG C, 195bar first time homogeneous; 13min is stirred after 5 DEG C of refrigerations leave standstill 4.5h; 67 DEG C, 335bar second time homogeneous;
(3) at 142 DEG C, be incubated 4s sterilization, be cooled to 15 DEG C;
(4) sterile filling.
Product index:
Embodiment 7
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 62 DEG C, water consumption is 18% of raw material gross mass, add rare cream, glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener more successively, stir 15min, after mixing, then leave standstill 15min, continue to be heated to 85 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 15min, then mix with remaining water and flavoring essence;
(2) 65 DEG C, 180bar first time homogeneous, stirs 10min after 4 DEG C of refrigerations leave standstill 3h; 70 DEG C, 330bar second time homogeneous;
(3) at 139 DEG C, be incubated 6s sterilization, be cooled to 18 DEG C;
(4) sterile filling.
Product index:
Embodiment 8
The raw material of coconut cow milk beverage is as follows:
The step of preparation process of coconut cow milk beverage and condition:
(1) prepare burden: after raw milk being added part water, be warming up to 67 DEG C, water consumption is 28% of raw material gross mass, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener more successively, stir 15min, after mixing, then leave standstill 20min, continue to be heated to 87 DEG C, add stabilizing agent, cross colloid mill after being uniformly mixed 15min, then mix with remaining water and flavoring essence;
(2) 65 DEG C, 200bar first time homogeneous; 15min is stirred after 6 DEG C of refrigerations leave standstill 5h; 65 DEG C, 320bar second time homogeneous;
(3) at 137 DEG C, be incubated 6s sterilization, be cooled to 16 DEG C;
(4) sterile filling.
Product index:
Beneficial effect of the present invention is further illustrated below by effect example.
Comparative example 1
The mass percent that the addition of raw milk accounts for raw material gross mass is 25%, and regulates the addition of water to supply surplus, and all the other raw materials and processing step thereof and condition are with the embodiment of the present invention 5.Specific product index is as follows:
Comparative example 2
The mass percent that the addition of raw milk accounts for raw material gross mass is 60%, and reduces the addition of water, and all the other are with the embodiment of the present invention 5.Obtained product specific product index is as follows:
Comparative example 3
The mass percent that the addition of coconut palm slurry accounts for raw material gross mass is 1.5%, and regulates the addition of water to supply surplus, and all the other raw materials and processing step thereof and condition are with the embodiment of the present invention 7.Obtained product specific product index is as follows:
Comparative example 4
The mass percent that the addition that coconut palm is starched accounts for raw material gross mass is 8%, and reduces the addition of water, and all the other are with the embodiment of the present invention 7.Obtained product specific product index is as follows:
Comparative example 5
In formula, glycerin monostearate, sucrose fatty ester, casein sodium adopt the mass percent accounting for raw material gross mass be 0.1% glycerin monostearate and the mass percent that accounts for raw material gross mass be the combination of the sucrose fatty ester of 0.04%, edible buffer salt addition is 0; Processing step removes to refrigerate standing, second time homogeneous, and all the other are with the embodiment of the present invention 5.
Comparative example 6
Glycerin monostearate, sucrose fatty ester, casein sodium adopt the mass percent accounting for raw material gross mass be 0.1% glycerin monostearate and the mass percent that accounts for raw material gross mass be the combination of the sucrose fatty ester of 0.04%, edible buffer salt addition is 0, and all the other are with the embodiment of the present invention 5.
Comparative example 7
Processing step removes following steps:
Refrigeration leave standstill, at 3 DEG C leave standstill 4h, left standstill after stir 14min; Second time homogeneous, homogenizing temperature are 68 DEG C, homogenization pressure is 340bar.
All the other are with the embodiment of the present invention 5.
Comparative example 8
Processing step (1) changes into as follows:
(1) prepare burden: part water will be added in raw milk, water consumption is 25% of raw material gross mass, be warming up to 88 DEG C, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material, sweetener, gellan gum successively, stir 10min (not leaving standstill), mix.Cross colloid mill after stirring, then mix with remaining water;
All the other are with the embodiment of the present invention 5.
Effect example 1
Coconut cow milk beverage obtained in Example 5 and 7, and product obtained in comparative example 1-4, carry out the validity check of finished product organoleptic indicator.Above-mentioned sample is carried out to the subjective appreciation of 20 people, mark (0-5 divides, and 5 are divided into full marks) to the mouthfeel of product, local flavor, general impression respectively, add up its average mark, result is as shown in table 1.
The Analyses Methods for Sensory Evaluation Results of table 1 coconut cow milk beverage
Effect example 2
In factory's sterilization process, when the temperature difference of material and heating steam is more than 8 DEG C, consider effective utilization of the energy and the security risk of product, need to suspend to produce and sterilization duct is cleaned, continue to produce after the coking material on duct wall cleans up.Adopt prior art continuous seepage can only maintain maximum 2.5h, the present invention, by a large amount of tests, is optimized the composition and engineering of coconut cow milk beverage, and by quantity-produced time lengthening to more than 8h, namely the above temperature difference of continuous seepage 8h is no more than 8 DEG C.
Adopt corresponding composition and engineering to carry out the continuous seepage coconut cow milk beverage of 8h, observe and record the section heating steam of sterilization machine high-temperature heating and material temperature difference, result is as shown in table 2.
The temperature difference of the heating steam of sterilization machine high temperature section and material during table 2 continuous seepage
Effect example 3
The domain size distribution of coconut cow milk beverage adopts laser diffraction analyzer Mastersizer 2000 to measure, and dispersant is water, and design parameter arranges as follows: particle refractive index 1.500; Granule absorbance 0.001.Analysis software is Mastersize 2000 software kit.Measurement result is as Fig. 1 and Fig. 2.Coconut cow milk beverage domain size distribution be in a liquid state breast typical case's " bimodal " shape, granularity between 0.40 μm-1.2 μm be mainly fat globule and non-fat solid, the accounting of this part particle is more, the stability of product is poorer, as shown in Figure 1, the stability of 3 products is followed successively by embodiment 5 > comparative example 6 > comparative example 5 from high to low.In like manner, as seen from Figure 2, the stability of another 3 products is followed successively by embodiment 5 > comparative example 8 > comparative example 7 from high to low.Product stability is poorer, and in continuous flow procedure, the coking situation of sterilization high temperature section is more serious.
Should be understood that, after having read foregoing of the present invention, those skilled in the art can make various changes or modifications correlated condition of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. the preparation method of a high stability coconut cow milk beverage, it is characterized in that, the water that its raw material comprises 36%-50% raw milk, 1.0%-6.5% coconut palm slurry raw material, 0.05%-0.15% glycerin monostearate, 0.03%-0.06% sucrose fatty ester, 0.05%-0.15% casein sodium, 0.015%-0.25% stabilizing agent, 0.01%-0.04% edible buffer salt, 2%-8% sweetener and mends to 100%; The total amount of described glycerin monostearate, sucrose fatty ester and casein sodium accounts for the 0.18%-0.25% of described raw material gross mass; Described stabilizing agent is gellan gum, or is the combination of microcrystalline cellulose and sodium carboxymethylcellulose; Described percentage is the mass percent accounting for raw material gross mass;
Described preparation method comprises the following steps:
(1) prepared burden by described raw material, described batching comprises the steps:
A) described raw milk is mixed with the water accounting for raw material gross mass 10%-30%, be heated to 60 DEG C-70 DEG C, obtain feed liquid 1;
B) in described feed liquid 1, add glycerin monostearate, sucrose fatty ester, casein sodium, edible buffer salt, coconut palm slurry raw material and sweetener successively, stir 10 minutes-15 minutes, after mixing, then leave standstill 15 minutes-20 minutes, obtain feed liquid 2;
C) described feed liquid 2 is continued to be heated to 80 DEG C-90 DEG C, add stabilizing agent, mix, obtain feed liquid 3;
D) by described feed liquid 3 cross colloid mill, then with complement to raw material gross mass absolutely water mix, obtain batching feed liquid;
(2) by described batching feed liquid first time homogeneous, stir after refrigeration leaves standstill, then carry out second time homogeneous, obtain homogeneous feed liquid;
(3) by described homogeneous feed liquid sterilization, cooling, product is obtained.
2. preparation method as claimed in claim 1, it is characterized in that, described preparation method also comprises step (4), and described step (4) is: filling; And/or, described filling be clean filling or sterile filling.
3. preparation method as claimed in claim 1, is characterized in that, described coconut palm slurry raw material is coconut powder or coconut palm slurry; The addition of described coconut powder is 1.0%-2.5%; The addition 2.6%-6.5% of described coconut palm slurry; Described percentage is the mass percent accounting for raw material gross mass.
4. preparation method as claimed in claim 1, it is characterized in that, the content of described glycerin monostearate is 0.09%-0.12%, and the content of described sucrose fatty ester is 0.04%-0.05%, and the content of described casein sodium is 0.08%-0.12%; Described percentage is the mass percent accounting for raw material gross mass.
5. preparation method as claimed in claim 1, it is characterized in that, described stabilizing agent is 0.015%-0.03% gellan gum, or is the combination of 0.1%-0.2% microcrystalline cellulose and 0.02%-0.06% sodium carboxymethylcellulose; Or described stabilizing agent is 0.018%-0.024% gellan gum, or it is the combination of 0.14%-0.18% microcrystalline cellulose and 0.04%-0.05% sodium carboxymethylcellulose; And/or, described edible buffer salt be selected from natrium citricum, sodium phosphate trimer, sodium pyrophosphate and calgon one or more; And/or the content of described edible buffer salt is 0.015%-0.025%; Described percentage is the mass percent accounting for raw material gross mass.
6. preparation method as claimed in claim 1, is characterized in that, described sweetener be selected from white granulated sugar and HFCS one or both; And/or the content of described sweetener is 4%-8%; And/or described raw material also comprises flavoring essence, described flavoring essence is at the d of described step (1)) in cross after colloid mill and add; And/or the content of described flavoring essence is 0.03%-0.08%; And/or described raw material also comprises rare cream, the described b of rare cream in described step (1)) in add glycerin monostearate before add; And/or the content of described rare cream is 1%-2%; Described percentage is the mass percent accounting for raw material gross mass.
7. preparation method as claimed in claim 1, is characterized in that, in step (1) c) described in be mixed into and be uniformly mixed; And/or the described time be uniformly mixed is 10 minutes-15 minutes; And/or, described in step (2) first time homogeneous temperature be 60 DEG C-70 DEG C; And/or, described first time the pressure of homogeneous be 160bar-200bar; And/or the temperature that described refrigeration leaves standstill is 2 DEG C-10 DEG C; And/or the time that described refrigeration leaves standstill is 2 hours-6 hours; And/or, 10 minutes-15 minutes time of described stirring; And/or the temperature of described second time homogeneous is 60 DEG C-70 DEG C; And/or the pressure of described second time homogeneous is 300bar-360bar.
8. preparation method as claimed in claim 1, it is characterized in that, the sterilization described in step (3) is super pasteurize or UHT; And/or the temperature of described super pasteurize is 120 DEG C-130 DEG C; And/or the time of described super pasteurize is 15 seconds-30 seconds; And/or the temperature of described UHT is 137 DEG C-142 DEG C; And/or, 4 seconds-7 seconds time of described UHT; And/or the temperature of described cooling is for being cooled to 2 DEG C-20 DEG C.
9. a high stability coconut cow milk beverage, is characterized in that, it is preparation-obtained by preparation method as claimed in claim 1.
10. high stability coconut cow milk beverage as claimed in claim 9, it is characterized in that, its protein content is 1.1%-1.6%, fat content is 1.8%-3.0%, carbohydrate content is 4.0%-11.0%, content of milk protein is 1.0%-1.5%, and described percentage is the mass percent accounting for product gross mass; In described fat, 35%-57% is the fat in coconut palm slurry raw material, and described percentage is the mass percent that the coconut palm fat starched in raw material accounts for the gross mass of fat in described high stability coconut cow milk beverage.
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