CN102429084B - Oriental blueberry leaf extract-added cold beverage and preparation method thereof - Google Patents
Oriental blueberry leaf extract-added cold beverage and preparation method thereof Download PDFInfo
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- CN102429084B CN102429084B CN201110386973XA CN201110386973A CN102429084B CN 102429084 B CN102429084 B CN 102429084B CN 201110386973X A CN201110386973X A CN 201110386973XA CN 201110386973 A CN201110386973 A CN 201110386973A CN 102429084 B CN102429084 B CN 102429084B
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Abstract
The invention relates to the field of cold beverage processing, in particular to an oriental blueberry leaf extract-added cold beverage and a preparation method thereof. The oriental blueberry leaf extract-added cold beverage is based on 1000g of materials, which include 120g to 140g of white granulated sugar, 100g to 120g of whole milk powder, 20g to 80g of vegetable oil, 400g to 600g of oriental blueberry leaf extract, 30g to 40g of honey, 3g to 5g of edible stabilizers and the balance of water. The oriental blueberry leaf extract-added cold beverage is added with the nutrient ingredients of oriental blueberry leaves, and therefore has due dietary therapy and health care effects; meanwhile, the bitterness of the oriental blueberry leaf extract is removed by the debitterizing process, so that the tasty, brand new old beverage is obtained, the variety of cold beverages is enriched, and the oriental blueberry leaf extract-added cold beverage fills the market gap, and has a broad market prospect.
Description
Technical field
The present invention relates to the frozen manufacture field, particularly, the present invention relates to a kind of frozen that adds the blueberry leaf extract and preparation method thereof.
Background technology
At present, the frozen of supplying on market of a great variety, frozen product, especially ice cream,, because its abundant and fragrant sliding careful mouthfeel has attracted a lot of consumers, account for a part larger in frozen, but the frozen that contains the health-care efficacy component lacks relatively on market.
Blueberry is born in hillside, roadside or bushes, is the aithullium seeds, summer leaf color jade green, autumn, the leaf look little was red, height of tree 1m～3m, multi-branched, branch is thin, ash is redly brown, sprout has the fine and soft hair of taupe.The leaf keratin, avette, the narrow ellipse of ellipticity or avette, long 2.5～6 centimetres, wide 1～2.5 centimetre, the anxious point in top, edge has sparse sharp sawtooth, and the base portion wedge-like is glossy, how many thin undercoats of giving birth to of Zhong Mai two sides; Petiole is short and not obvious, and Yangze river and Huai river one band, often adopt leaf in cold food festival and be cooked into black meal, therefore named blueberry.
The chemical composition that contains in blueberry leaf has hentriacontane, freidelin (ketone), epifriedelanol, cupreol and ursolic acid, Quercetin, homo-orientin, hydroxycinnamic acid, meso inositol, malol, oleanolic acid.Also contain in addition abundant amino acid and organic acid in leaf.Organic acid is mainly oxalic acid, tartaric acid, citric acid and butanedioic acid.Sugar is mainly glucose, sucrose, maltose and fructose etc.The fatty acid material has 6 kinds: brown eleostearic acid, stearic acid, oleic acid, linoleic acid, leukotrienes, arachidic acid.
Blueberry leaf basis is: protein 3.02%, fat 0.8%, total reducing sugar 53.2%, moisture 7.3%, general flavone 3.42%.
Blueberry leaf has good dietary function:
A, antidotal effect: animal experiment shows, the blueberry leaf extract can significantly improve balance of movement and the coordination ability of old mouse, strengthens the short term memory capacity of mouse.
The effect of B, anti-cancer and cancer-preventing: bring out cancer thereby free radical can destroy DNA molecular, and antioxidant can play in and the effect of the free radical that produces in metabolic processes, blueberry contains abundant anthocyanin class flavones, can suppress the generation of free radical.
C, to the protective effect of eyes: clinical research finds, it has good result for the treatment of to multiple ophthalmology disease,, as activating the retina enzyme, promotes the synthetic of rhodopsin, improves the eyesight under half-light, treatment yctalopia etc.
D, antitussive effect: contain De Quercetin, ursolic acid in blueberry leaf, and some flavones has significant antitussive action.
The present invention adds the blueberry leaf extract on the basis of the original formula of frozen, because the blueberry leaf flavor is flat bitter, having antidiarrheal to remove after taking sleeps, the effects such as strong muscle benefit strength, and its extract has good colorability, and the utilization for it on frozen is worth excavating, but because the frozen bitter taste that has added blueberry leaf is overweight, how to guarantee the coordination of frozen taste, the pre-treatment of blueberry leaf with and to select addition be the problem that the present invention solves emphatically.
Summary of the invention
The objective of the invention is,, for addressing the above problem, provide a kind of frozen that adds the blueberry leaf extract.
Another object of the present invention is to provide the method for the frozen of the above-mentioned interpolation blueberry leaf extract of preparation.
A kind of frozen that adds the blueberry leaf extract of the present invention, based on the 1000g raw material, it comprises: white granulated sugar 120～140g, whole milk powder 100～120g, vegetable fat 20～80g, blueberry leaf extract 400～600g, honey 30～40g, edible stabilizing agent 3～5g, water surplus.
According to the frozen of interpolation blueberry leaf extract of the present invention, based on the 1000g raw material, the preferred 110g of described white granulated sugar, the preferred 500g of described blueberry leaf extract, the preferred 40g of described honey.
According to the frozen of interpolation blueberry leaf extract of the present invention, wherein, the preparation method of described blueberry leaf extract comprises the following steps:
1) with fresh blueberry tender leaf, clean and remove stalk, after oven dry, pulverize, sieve, obtain the leaf powder stand-by;
2) add poach in 1: 20～1: 40 to little boiling by solid-liquid ratio in above-mentioned leaf powder, keep 3～5min, filter or the centrifugal blueberry leaf extract that obtains, be settled to 1000mL stand-by.
According to the frozen of interpolation blueberry leaf extract of the present invention, wherein, described edible stabilizing agent comprises one or more and the emulsifying agent monoglyceride in guar gum, xanthans, locust bean gum, carragheen.
The present invention is for pursuing natural green, and as far as possible less with food additives, and the stabilizing agent that adds is the endless interpolation of GB-2760 regulation, and product does not add the food additives such as other sweetener, pigment.
The method of the frozen of blueberry leaf extract is added in preparation of the present invention, wherein,
, based on the 1000g raw material, comprising: white granulated sugar 120～140g, whole milk powder 100～120g, vegetable fat 20～80g, blueberry leaf extract 400～600g, honey 30～40g, edible stabilizing agent 3～5g, water surplus,
And the preparation method comprises the following steps:
1) debitterize of blueberry leaf extract, take away the puckery taste: add honey in above-mentioned blueberry leaf extract, 4 ℃ of centrifuging and taking supernatants after standing 2 hours;
2) other pretreatment of raw material: above-mentioned edible stabilizing agent is mixed with white granulated sugar; Grease melts in advance;
3) batch mixing: according to first liquid, the order of rear powder, with step 1) gained supernatant, step 2) raw material and above-mentioned other raw material after processing fully mix with water, 60 ℃ of mixing temperatures;
4) preheating: with step 3) the gained mixed liquor is heated to 70～75 ℃ from 60 ℃;
5) homogeneous: the feed liquid after preheating, by the high pressure homogenizer homogeneous, can fully be mixed after homogeneous and stable frozen feed liquid;
6) sterilization:, with the hot water of 90～95 ℃ and the feed liquid convection current after homogeneous, make feed temperature rise to 85～90 ℃, keep 15～22s, guarantee that the microbiological indicator of final finished meets GB;
7) cooling: as, with the frozen water convective cooling of the feed liquid after sterilization and 0～4 ℃, to be down to rapidly below 10 ℃;
8) aging: as to make cooled feed liquid be down to 4～6 ℃ in 30min in the aging tank with interlayer (0～4 ℃ of frozen water), stop stirring, keep 8hr;
9) make finished product: the feed liquid after aging is made finished product through congealing, pour into expanded milk material, sclerosis, packaging step.
The frozen of interpolation blueberry leaf extract of the present invention, increased the nutritional labeling of blueberry leaf, has due food therapy health effect; Simultaneously, remove the bitter taste of blueberry leaf extract by debitterized technique, obtained the suitable brand-new frozen of taste, enriched the category of frozen, filled up the market vacancy, had comparatively wide market prospects.
The specific embodiment
Embodiment 1
With fresh blueberry tender leaf, clean and remove stalk, after oven dry, pulverize in 75 ℃ of baking ovens, cross 40 mesh sieves, obtain the leaf powder; Get above-mentioned leaf powder 25g, by solid-liquid ratio, add poach at 1: 20 to little boiling, keep 3min, filter and obtain the blueberry leaf extract, be settled to 1000mL stand-by.
The frozen 1000g of blueberry leaf extract is added in preparation, formula for a product is: white granulated sugar 120g, whole milk powder 120g, vegetable fat 20g, blueberry leaf extract 400g, honey 30g, and edible stabilizing agent 3g (monoglyceride: 0.8g, guar gum: 0.2g, locust bean gum: 0.2g, xanthans: 1.6g, carragheen: 0.2g), water surplus.
The preparation method:
1) debitterize of blueberry leaf extract, take away the puckery taste: add honey in above-mentioned blueberry leaf extract, 4 ℃ of centrifuging and taking supernatants after standing 2 hours;
2) other pretreatment of raw material: above-mentioned edible stabilizing agent is mixed with white granulated sugar; Grease melts in advance;
3) batch mixing: according to first liquid, the order of rear powder, with step 1) gained supernatant, step 2) raw material and other raw material after processing fully mix with water, 60 ℃ of mixing temperatures;
4) preheating: with step 3) the gained mixed liquor is heated to 70～75 ℃ from 60 ℃;
5) homogeneous: the feed liquid after preheating, by the high pressure homogenizer homogeneous, can fully be mixed after homogeneous and stable frozen feed liquid;
6) sterilization:, with the hot water of 90～95 ℃ and the feed liquid convection current after homogeneous, make feed temperature rise to 85～90 ℃, keep 15～22s, guarantee that the microbiological indicator of final finished meets GB;
7) cooling: as, with the frozen water convective cooling of the feed liquid after sterilization and 0～4 ℃, to be down to rapidly below 10 ℃.
8) aging: as to make cooled feed liquid be down to 4～6 ℃ in 30min in the aging tank with interlayer (0～4 ℃ of frozen water), stop stirring, keep 8hr;
9) make finished product: the feed liquid after aging is made finished product through congealing, pour into expanded milk material, sclerosis, packaging step.
Embodiment 2
With fresh blueberry tender leaf, clean and remove stalk, after oven dry, pulverize in 75 ℃ of baking ovens, cross 40 mesh sieves, obtain the leaf powder; Get above-mentioned leaf powder 25g, by solid-liquid ratio, add poach at 1: 40 to little boiling, keep 5min, the centrifugal blueberry leaf extract that obtains, be settled to 1000mL stand-by.
The frozen 1000g of blueberry leaf extract is added in preparation, formula for a product is: white granulated sugar 140g, whole milk powder 100g, vegetable fat 80g, blueberry leaf extract 600g, honey 40g, and edible stabilizing agent 5g (monoglyceride: 0.8g, guar gum: 0.2g, locust bean gum: 2.0g, xanthans: 1.6g, carragheen: 0.4g), water surplus.
The preparation method:
1) debitterize of blueberry leaf extract, take away the puckery taste: add honey in above-mentioned blueberry leaf extract, 4 ℃ of centrifuging and taking supernatants after standing 2 hours;
2) other pretreatment of raw material: above-mentioned edible stabilizing agent is mixed with white granulated sugar; Grease melts in advance;
3) batch mixing: according to first liquid, the order of rear powder, with step 1) gained supernatant, step 2) raw material and other raw material after processing fully mix with water, 60 ℃ of mixing temperatures;
4) preheating: with step 3) the gained mixed liquor is heated to 70～75 ℃ from 60 ℃;
5) homogeneous: the feed liquid after preheating, by the high pressure homogenizer homogeneous, can fully be mixed after homogeneous and stable frozen feed liquid;
6) sterilization:, with the hot water of 90～95 ℃ and the feed liquid convection current after homogeneous, make feed temperature rise to 85～90 ℃, keep 15～22s, guarantee that the microbiological indicator of final finished meets GB;
7) cooling: as, with the frozen water convective cooling of the feed liquid after sterilization and 0～4 ℃, to be down to rapidly below 10 ℃.
8) aging: as to make cooled feed liquid be down to 4～6 ℃ in 30min in the aging tank with interlayer (0～4 ℃ of frozen water), stop stirring, keep 8hr;
9) make finished product: the feed liquid after aging is made finished product through congealing, pour into expanded milk material, sclerosis, packaging step.
Determining of the embodiment 3 reasonable additions of blueberry leaf extract
Carry out many experiments, adjust the addition of blueberry leaf extract, other raw material consumption such as following table 1, surplus are water.The blueberry leaf extract is not carried out debitterize and process, other step of preparation method such as embodiment 1, make frozen.Purpose is the reasonable addition that draws the blueberry leaf extract, result such as following table 1.
Matter structure, the mouthfeel of the frozen of the different blueberry leaf extract of table 1 addition
Through overtesting, 1#, 2#, 3#, 4# comparison, the addition of determining the blueberry leaf extract is 50% comparatively suitable.Have the distinctive delicate fragrance of blueberry leaf, but comparatively significantly astringent taste is arranged, therefore, need to adopt suitable debitterized technique to process the blueberry leaf extract.
Selection and the consumption of embodiment 4 debitterize agent
The most important link of debitterized technique is the use of debitterize agent.The debitterize principle of debitterize agent is with bitter substance embedding or absorption, and wherein, the honey in the debitterize agent also has certain covering effect to bitter taste.
Select 4# formula in embodiment 3,, by test, select four kinds of debitterize agent and debitterized technique to process the blueberry leaf extract, result such as following table 2.
Make the debitterize scoring of frozen after the different debitterized techniques processing of table 2 blueberry leaf extract
A: bitter taste is larger, marks higher.
Through the overtesting comparison, find to adopt the honey de-bittering effect better, therefore, adopt single factor experiment, determine suitable honey use amount, and suitably adjust the white granulated sugar consumption, result such as following table 3.
The debitterize scoring of the different honey of table 3, white granulated sugar addition frozen
| Sequence number | Honey (%) | White granulated sugar (%) | Blueberry extract (%) | Debitterize scoring (1-10 divides) |
| D1 | 1 | 14 | 50 | 5 |
| D2 | 2 | 13 | 50 | 4 |
| D3 | 3 | 12 | 50 | 3 |
| D4 | 4 | 11 | 50 | 3 |
Find that finally D3#, D4# product are comparatively suitable, the factors such as considering cost reduce the addition of honey as far as possible, and preferred D3# is more satisfactory formula.
Claims (1)
1. a method for preparing the frozen that adds the blueberry leaf extract, is characterized in that,
Described frozen, based on the 1000g raw material, comprising: white granulated sugar 120～140g, and whole milk powder 100～120g, vegetable fat 20～80g, blueberry leaf extract 400～600g, honey 30～40g, edible stabilizing agent 3～5g, water surplus,
Wherein, described edible stabilizing agent comprises one or more and the emulsifying agent monoglyceride in guar gum, xanthans, locust bean gum, carragheen;
And the method for the described frozen of preparation comprises the following steps:
1) debitterize of blueberry leaf extract, take away the puckery taste: add honey in above-mentioned blueberry leaf extract, standing rear centrifuging and taking supernatant;
2) above-mentioned edible stabilizing agent is mixed with white granulated sugar; Grease melts in advance;
3) batch mixing: according to first liquid, the order of rear powder, with step 1) gained supernatant, step 2) raw material and above-mentioned other raw material after processing fully mix with water, 60 ℃ of mixing temperatures;
4) preheating: step 3) gained mixed liquor is heated to 70～75 ℃ from 60 ℃;
5) homogeneous;
6) sterilization;
7) cooling;
8) aging;
9) make finished product: the feed liquid after aging is made finished product through congealing, pour into expanded milk material, sclerosis, packaging step;
Wherein, the preparation method of described blueberry leaf extract comprises the following steps:
1) with fresh blueberry tender leaf, clean and remove stalk, after oven dry, pulverize, sieve, obtain the leaf powder stand-by;
2) get above-mentioned leaf powder 25g, by solid-liquid ratio 1:20～1:40, add poach to little boiling, keep 3～5min, filter or the centrifugal blueberry leaf extract that obtains, be settled to 1000mL stand-by.
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| CN109007671A (en) * | 2018-08-13 | 2018-12-18 | 重庆善硒科技有限公司 | A kind of selenium-enriched plant pulvis of the addition in food, extracting solution and preparation method thereof |
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| CN103876236B (en) * | 2014-04-04 | 2015-08-19 | 江苏九久环境科技有限公司 | Blueberry fruit juice and preparation technology thereof |
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| CN1273781A (en) * | 2000-05-19 | 2000-11-22 | 深圳市长鑫乐实业有限公司南昌分公司 | Spirulina ice cream and its preparing process |
| CN101020722B (en) * | 2007-03-27 | 2010-09-08 | 浙江大学 | Process of extracting soluble polysaccharide from fragile blueberry leaf |
| CN101731434B (en) * | 2009-12-30 | 2013-07-31 | 内蒙古伊利实业集团股份有限公司 | Cranberry-containing frozen drink |
| CN101972026A (en) * | 2010-09-21 | 2011-02-16 | 湖南凯勒迪化学科技有限公司 | Vaccinium bracteatum health product and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109007671A (en) * | 2018-08-13 | 2018-12-18 | 重庆善硒科技有限公司 | A kind of selenium-enriched plant pulvis of the addition in food, extracting solution and preparation method thereof |
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