Background technology
Motion process is followed the great variety of body metabolism, and this comprises the consumption of nutrients such as the consumption of consumption (as a large amount of perspires), heat of body fluid and body internal protein.In order to keep good motion state, and health is recovered as early as possible, the motion diet is had certain requirement.As, before motion and in the motion, can suitably keep the skin wet, mineral matter, after motion, except replenishing suitable vitamin and mineral matter, also need to replenish a certain amount of protein, with the muscle cell of maintenance human body and supply with nutriment and give neonatal cell.
Current research both domestic and external shows, in sports drink, strengthen protein and amino acid, help the rapid recovery of human body, more help the burning of body fat and the recovery of motion function, help providing omnibearing balanced nutritious for motion unit, avoid motion to cause and cause metabolic disorder by nutrition leak.
Yet, present domestic sports drink is main demand with " vitamin, mineral matter, taste " still, also do not have a product can satisfy the consumer before motion, motion neutralization motion back is to the balanced demand of " moisture, carbohydrate, vitamin, protein, amino acid ".
The drink stability that contains lactoprotein is difficult to be controlled, and particularly is difficult to keep stable state after the albumen processing sex change, needs the multiple emulsion stabilizer of employing to solve this problem.Yet the product that adds emulsion stabilizer is salubrious inadequately, is difficult to satisfy the salubrious and soft characteristics of local flavor of sports drink.
CN00810045.4 discloses a kind of gel, and said composition contains the gelation lactalbumin, sugared source, minerals and vitamins.The patented product is the semisolid paste, and moisture is not high, and eating method is subjected to certain restriction, can not satisfy fast keeping the skin wet, and can not satisfy the needs that sport people is drunk simply fast.
CN200710026956.9, a kind of proteinaceous sports drink is disclosed, the beverage of this invention contains components such as sucrose, glucose, fructose, oligoisomaltose, lactalbumin, arginine, can also contain multivitamin and mineral matter, the weight ratio that discloses sodium salt and sylvite simultaneously is 23: 5.1 (being about 4.5: 1), yet this invention not with regard to containing lactalbumin beverage carry out estimation of stability, the buffer salt stabilising system is not proposed yet.Lactalbumin causes infusible precipitate in just very easy generation sex change more than 80 ℃, in beverage, can produce flocculent deposit, have only by adding emulsion stabilizer or adopting appropriate buffer salt system could guarantee the stability of lactalbumin in conjunction with appropriate process.
CN200710027964.5, a kind of protein beverage preparation method of acid high stability is disclosed, adopted the technology that makes protein glycosylation in advance, yet this Technology Need is warming up to 90~95 ℃ and keep 30~120min to feed liquid, energy consumption is higher, be unfavorable for reducing production costs, also be not suitable for the making of light sports drink base-material.
CN200710119309.2 discloses a kind of processing method of whey beverage, and this method adopts the design of low pH value to guarantee the stability of lactalbumin, has reached 6 months shelf-life.The employed low pH technology of this patented technology makes product to present with highly acid product form, and can not keep product stable under middle low ph condition.
Therefore, the present invention is directed to the characteristics of whey protein beverage and the stability requirement of sports drink, employing is with sylvite, the composite zwitterion buffer system that forms of sodium salt, when guaranteeing the beverage content of mineral substances, keep product stable, improve formula for a product, reduce the use of various additives, to satisfy the demand of designing and developing of sports drinks.
Summary of the invention
The purpose of this invention is to provide a kind of whey protein sports drink that contains potassium, sodium, calcium, magnesium, zinc, protein, vitamin, it does not add stabilizing agents such as pectin, CMC in the beverage development process, and add materials such as multivitamin, animal and plant nutriment especially, substantially do not change the prior beverage working condition, promoted the nutritive value of sports drink.
Another purpose of the present invention is to determine a kind of source and processing method that can keep the lactalbumin of good stability in sports drink.
Further object of the present invention provides a kind of new beverage processing technology.
The sports drink of a kind of whey protein provided by the invention, this sports drink contains the composition of following weight portion: 200~350 parts of 10~30 parts of PURE WHEYs or fresh wheys, 0.01~0.5 part in mineral matter, 0.001~0.07 part of vitamin, 0.03~0.3 part of l-cn, 0.001~0.005 part of lycopene, wherein sodium, potassium ion stabilising system are made up of the sodium salt and the sylvite that according to weight ratio are 1~4: 1.
Preferably, the weight ratio of sodium salt and sylvite is preferably 2: 1.
Preferably, sports drink provided by the invention contains the composition of following weight portion: 300~350 parts of 20~30 parts of PURE WHEYs or fresh wheys, 0.1~0.5 part in mineral matter, 0.05~0.07 part of vitamin, 0.05~0.06 part of l-cn, 0.002~0.003 part of lycopene.
In the whey protein sports drink of the present invention:
Weight portion of the present invention can be the known unit of weights in medicine food field such as μ g, mg, g, kg;
Beverage of the present invention, can adopt any PURE WHEY or fresh whey that meets the different protein contents of food sanitation standard requirement, can be milk, goat milk or other mammiferous protein sources, PURE WHEY is selected from desalted lactalbumin powder or whey isolate protein, and fresh whey is a desalted whey;
Sodium salt in described sodium, the potassium ion buffer system is one or both or three kinds in sodium hydrogen phosphate, sodium dihydrogen phosphate or the natrium citricum; Described sylvite is one or both in dipotassium hydrogen phosphate or the potassium dihydrogen phosphate; The combination of above-mentioned various salts has constituted buffer salt system important among the present invention simultaneously, keeping the stability of beverage system;
Also can comprise one or both or three kinds in calcium salt, magnesium salts or the zinc salt in the described mineral matter; Described calcium salt, magnesium salts or zinc salt can be any edible inorganic salt form or organic matter form.
Described vitamin be in vitamin A, Cobastab, vitamin C, vitamin D, vitamin E or the vitamin K one or several;
In the sports drink of the present invention, also contain the composition of following weight portion: 0~60 part of sweetener, 0.01~0.3 part of acidity regulator and Juice 0.1~50, preferably, 10~30 parts of 40~60 parts of sweeteners, 0.1~0.3 part of acidity regulator and Juices.
Wherein said sweetener is selected from one or several in sucrose, glucose, fructose, HFCS, Aspartame, acesulfame potassium, xylitol, D-sorbite, maltitol, stevioside or the Sucralose;
Described acidity regulator is one or several in citric acid, malic acid or the lactic acid, can add in proportion as required between the three.
Described Juice is that fruit juice, vegetable juice or compound fruit and vegetable juice etc. carry out suitable seasoning.
The present invention also provides the method for preparing above-mentioned beverage, may further comprise the steps: according to described ratio batching, and homogeneous then, sterilization, cooling, after the assay was approved, can.
Concrete, the method for preparing the whey protein beverage provided by the invention may further comprise the steps:
1) premixed mineral obtains mineral substance premix; Mixed vitamin and l-cn, lycopene obtain vitamin and nutrient premix, and be standby;
2) be according to dilution with PURE WHEY with the protein content with deionized water dissolving or with fresh whey, make that the protein content in lactoalbumin soln or the whey dilution meets product requirement, and stir, standby;
3) get mineral substance premix, vitamin and nutrient premix in the step 1), with step 2) solution mix, stir;
4), add or, use deionized water dissolving, and stir not with flavor enhancement with acidity regulator, sweetener;
5) slow blend step 3) and 4) solution, quantitatively arrive 1000kg, and stir fast;
6) homogeneous, sterilization: material carries out homogeneous under 5~25MPa, 50~70 ℃ of conditions, sterilization under 90~95 ℃ of conditions, perhaps UHT sterilization;
7) can: material is cooled to 4~45 ℃, can, storage.
Described UHT (Ultra High Temperature treated) sterilization is meant instantaneous processing of superhigh temperature or ultra high temperature short time sterilization, and this paper refers to ultra high temperature short time sterilization.
Main inventive point of the present invention is:
1) sports drink of whey protein provided by the invention, through repeatedly mineral salt and acidity regulator selection, determined raw material used in the beverage production and preferred mineral salt and addition thereof, wherein sodium, potassium mineral salt have constituted protein sodium, the potassium ion buffer system of beverage simultaneously.Do not add pectin, CMC emulsion stabilizers such as (sanloses) at last in the sports drink of Que Dinging, can keep the good shelf stable of beverage;
2) particularly also have lactalbumin food in the sports drink provided by the invention, be easy to digest and assimilate.In sports drink, suitably add lactalbumin, help the healthy of consumer.Particularly concerning the people who likes moving, in the time of the inherent discharge of body mineral matter, also can consume certain nutrients such as protein, in time replenish before and after the motion, help the eubolism of human body, the rapid recovery;
3) the present invention obtains does not add emulsion stabilizer, the special beverage that adds mineral matter, vitamin, also contain l-cn, l-cn (L-carnitine), claim L-carnitine or transliteration Carnitine again, be a kind of amino acid that impels fat to be converted into energy, red meat is the main source of l-cn, and human body is had no side effect;
Dissimilar diets has contained the l-cn of 5~100mg, but common people can only take in 50mg every day from meals, and the vegetarian takes in still less.The major physiological function of l-cn is to promote that fat changes into energy, takes l-cn and can not reduce moisture and muscle, reasonable supplement when being adapted at moving when reducing body fat, reducing body weight;
4) also contain lycopene in the sports drink provided by the invention, lycopene is a kind of natural colouring matter contained in the plant, mainly is present in the ripening fruits of plant of Solanaceae tomato.It is the found powerful antioxidant of present occurring in nature.Science proves that singlet oxygen in the human body and oxygen radical are the arch-criminals of infringement human body autoimmunity system.The effect that lycopene is removed free radical outclass other carotenoid and vitamin E, and its cancellation singlet oxygen speed constant is 100 times of vitamin E.It can effectively preventing because of aging, the various diseases that immunity degradation causes.During motion, internal metabolism produces a large amount of free radicals, needs to replenish suitable antioxidant and assists metabolism, improves the post exercise body immunity;
5) sports drink that contains mineral matter, vitamin and animal and plant nutriment that obtains of the present invention has improved the added value of sports drink.Various nutrient reasonable mixture ratio, sour-sweet degree is moderate, clean taste, therefore this nutrition delicious food contain the lactoprotein sports drink, will inevitably be subjected to the teenager, be keen on sports personage and healthy living person's extensive praise.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Embodiment 1: the sports drink of whey protein
1, forms: the acidity regulator of 30kg desalted lactalbumin powder, 0.1kg mineral matter, 0.008kg vitamin, 0.06kg l-cn, 0.002kg lycopene, 2.1kg, 60kg sweetener.
Wherein the 0.1kg mineral matter is grouped into by the one-tenth of following weight: 0.0625kg sodium hydrogen phosphate, 0.025kg potassium dihydrogen phosphate, 0.0125kg natrium citricum;
0.08kg vitamin is grouped into by the one-tenth of following weight: 0.0023kg vitamin C, 0.0047kg Cobastab
1With the 0.001kg Cobastab
6
2.1kg acidity regulator is grouped into by the one-tenth of following weight: 1.2kg citric acid and 0.9kg malic acid;
The 60kg sweetener is grouped into by the one-tenth of following weight: 30kg sucrose, 10kg xylitol, 10kg glucose and 10kg fructose.
2, preparation method:
1) premixed mineral obtains mineral substance premix; Mixed vitamin and l-cn, lycopene obtain vitamin and nutrient premix, and be standby;
2), and stir with desalted whey powder 30kg 500kg deionized water dissolving, standby;
3) get 0.1kg mineral substance premix, 0.008kg vitamin and 0.062kg nutrient premix in the step 1), with step 2) solution mix, stir;
4), and stir with the acidity regulator of 2.1kg and the sweetener 300kg deionized water dissolving of 60kg;
5) blend step 3) and 4) solution, quantitatively arrive 1000kg, and stir fast;
6) homogeneous, sterilization: material carries out homogeneous, the UHT sterilization under 25MPa, 60 ℃ of conditions;
7) can: material is cooled to 15 ℃, can, storage.
Present embodiment is detected, and found that: protein content is 1.02%, and pH is 3.35, and this beverage mouthfeel is salubrious, is fit to drink before and after the physical exertion, can be that human body keeps the skin wet, sugar, proteins,vitamins,minerals and nutrient.
Embodiment 2: the sports drink of whey protein
All the other are all with embodiment 1, and difference is:
1) fresh whey 300kg adds the 200kg deionized water, mixing;
2) step 2) consumption of mineral premix is 0.3kg, is made up of 0.1875kg sodium hydrogen phosphate, 0.075kg potassium dihydrogen phosphate and 0.037kg natrium citricum;
3) sweetener is made up of 4kg D-sorbite, 5kg maltitol, 0.05kg stevioside, 10kg HFCS;
4) acidity regulator is grouped into by the one-tenth of following weight: 1.0kg citric acid, 0.5kg malic acid, 0.5kg lactic acid.
Present embodiment is detected, and found that: protein content is 1.12%, and pH is 3.35, and this beverage mouthfeel is salubrious, is fit to drink before and after the physical exertion, can be that human body keeps the skin wet, sugar, proteins,vitamins,minerals and nutrient.
Embodiment 3: the sports drink of whey protein
All the other are all with embodiment 1, and difference is:
Step 2) vitamin in and nutrient premix consumption are 0.061kg: wherein folic acid 0.0001kg, nicotinic acid 0.0059kg, Cobastab
20.002kg; L-cn 0.05kg, lycopene 0.003kg;
Sweetener is a 45kg sucrose.
Present embodiment is detected, and found that: protein content is 1.02%, and pH value is 3.35, and this beverage mouthfeel is salubrious, is fit to the physical exertion front and back and drinks, and can be that human body keeps the skin wet, sugar, proteins,vitamins,minerals and nutrient.
Embodiment 4: the sports drink of whey protein
All the other are all with embodiment 1, and difference is:
1) the whey isolate protein consumption is 10kg.
2) composition of sweetener and consumption are: 15kg sucrose, 5kg glucose, 0.03kg Sucralose.
3) add flavor enhancement: 0.06kg flavoring essence and 10kg strawberry inspissated juice.
Described material deionized water dissolving.
Present embodiment is detected, and found that: protein content is 0.92%, and pH is 3.35, this beverage mouthfeel is salubrious, the distinctive fragrance of strawberry is arranged, be fit to drink before and after the physical exertion, can be that human body keeps the skin wet, sugar, proteins,vitamins,minerals and nutrient.
Embodiment 5: the sports drink of whey protein
Form all the other with embodiment 1, difference is:
The consumption of mineral substance premix is 0.205kg, is grouped into by the one-tenth of following weight: 0.05kg sodium hydrogen phosphate, 0.04kg potassium dihydrogen phosphate, 0.03kg natrium citricum, 0.03kg magnesium sulfate, 0.05kg calcium chloride, 0.005kg zinc lactate.
Embodiment 6: the sports drink of whey protein
All the other are all with embodiment 1, and difference is:
The composition of sweetener and consumption are: 10kg sucrose, 5kg glucose, 0.02kg acesulfame potassium, 0.1kg Aspartame.
Add flavor enhancement: 0.05kg flavoring essence and 10kg green apple inspissated juice.
Described material deionized water dissolving.
Embodiment 7: sense organ and stability experiment
1, experiment material:
Sports drink to embodiment 1~6 preparation carries out sensory evaluation;
If Comparative Examples is 200710026956.9 preferred ratio, promptly lactalbumin 1700, sodium 23, and sylvite 5.1, all the other compositions and embodiment 6 are together;
2, test method is as follows:
Adopt the mode of blank marking to carry out the 100 people test and appraisal of marking.
At first observe beverage appearance, taste each sample again, 6 indexs such as outward appearance, rare denseness, acidity, flavour, local flavor, whole sensation are given a mark, full marks are 10 minutes, mark is high more, it is good more to indicate the product effect, carries out statistical analysis, result such as following table 1 to observing and taste the result:
Table 1: embodiment 1-6 and Comparative Examples are carried out sensory evaluation
|
Beverage appearance |
Rare denseness |
Acidity |
Flavour |
Local flavor |
Whole sensation |
Embodiment 6 |
9.5 |
8.4 |
8.9 |
8.7 |
9 |
8.9 |
Comparative Examples |
9.5 |
8.1 |
8 |
7.8 |
8.4 |
8.3 |
Comparative Examples acidity is higher, and mouthfeel is sent out puckery, and common sensation is relatively poor.
Compare with Comparative Examples, the overall product stability of present embodiment 1~6 is better, and flavour is preferable.The present embodiment outward appearance is as clear as crystal, and smooth mouthfeel is arranged, and is sour-sweet moderate, and the fragrance of green apple is arranged, no astringent taste, and product structural state homogeneous, no obvious sediment feels that generally mouthfeel is tasty and refreshing, sour-sweet and oiliness, and light fruit delicate fragrance is arranged.
Embodiment 8: study on the stability
1, test material:
Sports drink to embodiment 1~6 preparation carries out study on the stability:
If Comparative Examples is: 200710026956.9 preferred ratio, promptly lactalbumin 1700, sodium salt 23, sylvite 5.1, all the other compositions and embodiment 5 are together.
2, test method:
Adopt the test method that leaves standstill under 4 ℃, 25 ℃ and the 37 ℃ of environment, detected the microbiological indicator of beverage respectively at the 1st, 2,3,6,9,10 month, meet the commercial sterilization requirement, and the stability of observing beverage, there is not visible delamination and obvious sediment is a standard with naked eyes, taste simultaneously, specimen is given a mark.
Microbiological indicator has comprised total plate count, coliform, mould and saccharomycete, salmonella and staphylococcus aureus, all requires to reach commercial sterilization.Commercial sterilization check: the method check of pressing the GB/T4789.26 regulation.
The marking standard is:
5 ,-minute, all features of product and 4 ℃ of standard samples are in full accord, and sanitary index is qualified;
4,5 minutes, product can be accepted, but compare with 4 ℃ of standard samples JND was arranged then, and sanitary index is qualified;
4 ,-minute, product can be accepted, but then some difference of comparing with 4 ℃ of standard samples, sanitary index is qualified;
3,5 minutes, product can be accepted, but compare with 4 ℃ of standard samples significant difference was arranged then, and sanitary index is qualified;
3 ,-minute, product can not be accepted, and can not say and can not accept that sanitary index is defective;
2,5 minutes, product a little a bit can not be accepted, and sanitary index is defective;
2 ,-minute, product a bit can not be accepted, and sanitary index is defective;
1,5 minute, product clearly can not be accepted, and sanitary index is defective;
1 ,-minute, product can not be accepted fully, and sanitary index is defective.
By above-mentioned evaluation method, it is termination test that score value is lower than 3.5 fens.
3, the results are shown in Table 2-3
Table 2: embodiment 1-6 and Comparative Examples are carried out study on the stability
Table 3: embodiment 1-6 and Comparative Examples are carried out study on the stability
Table 2 and 3 results show: Comparative Examples was deposited 2 months at 37 ℃, and is promptly visible muddy, partly precipitated, and significantly precipitation appearred in mouthfeel after 3 months, light astringent taste is arranged during trial test.
The sports drink that the embodiment of the invention 1~6 provides is deposited at 37 ℃ can keep product good stable and mouthfeel in 3 months, all previous microbiological indicator detects and meets the product standard requirement, under 25 ℃ of conditions, can deposit and keep product quality stability in 10 months, therefore can determine substantially can keep good taste and stability by test 9 months draft in the shelf life, the no tangible protein precipitation in container for drink bottom, sanitary index meets the requirements.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.