CN101690566A - Method for making natural longan powder - Google Patents
Method for making natural longan powder Download PDFInfo
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- CN101690566A CN101690566A CN200910112623A CN200910112623A CN101690566A CN 101690566 A CN101690566 A CN 101690566A CN 200910112623 A CN200910112623 A CN 200910112623A CN 200910112623 A CN200910112623 A CN 200910112623A CN 101690566 A CN101690566 A CN 101690566A
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Abstract
The invention discloses a method for making natural longan powder, which carries out the steps of cleaning of dried longan fruit pulp, blanching, beating, enzymatic hydrolysis, colloid milling, blending, homogenizing, sterilization, drying, powder collection, screening and the like, thereby preparing a longan powder product; and the processing is completed by adopting the mechanized continuous operation way. The longan powder prepared by the method can solve the problems of poor color, luster and solubility of the existing products, low product yield and the like. The technical scheme is characterized by introducing the treatment technologies of color protection, enzymatic hydrolysis and spray drying. The product keeps the flavor and the nutritional ingredients of longan and has natural color and luster, high solubility and good taste, and the making process does not add any pigments, essences, preservatives and other chemical substances, thereby having no side effects and being the pure natural fruit powder.
Description
Technical field
The present invention relates to a kind of preparation method of Fruit powder, particularly relate to the employing wet processing, carry out enzymolysis processing, the products obtained therefrom color and luster is good, dissolubility is high, has kept the preparation method of the natural longan powder of former fruit nutrition of longan and local flavor.
Background technology
Longan is China's subtropical zone famous and expensive special local product, and fruit is rich in nutrition, and is fragrant and sweet tasty and refreshing, liked by people, more is considered as precious tonic, and its nourishing function is apparent.Longan has multiple efficacies such as establishing-Yang benefit gas, tonifying heart and spleen, nourishing blood and tranquilization, moistening skin beautifying, can treat anaemia, palpitaition, insomnia, forgetful, neurasthenia and after being ill, disease such as postpartum is in poor health.Modern medicine facts have proved, the effect that it is improved looks in addition, promotes longevity.But arillus longan was a medicine-food two-purpose by Ministry of Public Health's approval once, had higher medical functions and health-care effect.
Longan pulp is owing to the sugar content height, and easily coking is processed into pulverulence and is acquired a certain degree of difficulty in the dry run.Present useful seasoning production also claims dry process, i.e. longan raw material elder generation drying and dehydrating, and then the method for pulverizing.The product particle of being produced is thick, and is poorly soluble, and during powder process because mechanical friction causes processing temperature too high, destroy the nutritional labeling and the local flavor of product.Therefore, how adopting new production method to improve the longan powder product quality is a current production difficult problem that needs to be resolved hurrily.And the employing wet processing, promptly raw material carries out spray-drying again through blanching, making beating behind enzymolysis, the homogeneous, can solve the brown stain of longan powder product color, yield rate is low, and product is poorly soluble etc.
Summary of the invention
The object of the invention has been to provide a kind of preparation method that can keep the original color of longan and various nutritional labeling and yield rate height, natural longan powder that dissolubility is good to greatest extent.This method overcomes that traditional longan powder preparation method takes that dry process brings more loses the nutritional labeling of original color and luster, poorly soluble, product and local flavor shortcoming such as be damaged, the present invention adopts the wet method new technology, process has embodied and has not been subjected to the raw material season limit, production continuity, mechanization, the characteristics that production efficiency is high.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of preparation method of natural longan powder, and it may further comprise the steps: (1) is cleaned, and rejects the residual non-edible parts such as shell in dehydration arillus longan the inside, after the clear water washing, inserts in the pot; (2) blanching: be heated to and boil, keep 3min, be cooled to 35 ℃ then; (3) making beating: break into thick slurry with beater, fineness is below 1mm; (4) enzymolysis: slurry is added the 200-400mg/kg complex enzyme formulation, part pectin and cellulose are decomposed, the slag slurry separates then, leaches thick slag and slurry; (5) glue mill: add water through the arillus longan of enzymolysis and stir and enter colloid mill, abrasive disk space transfers to 30 μ m, makes the further refinement of material be the feed liquid of uniform and smooth.(6) allotment: the slurry that leaches adds maltodextrin by 10～30% of its quality and prepares burden; (7) homogeneous: deployed slurry is sent into the homogeneous unit carry out the processing of littleization of high pressure; (8) sterilization: the feed liquid behind the homogeneous enters superhigh temperature disinfecting machine and sterilizes, (9) drying: enter the pressure spray dryer spray-drying after slurry is cooled to 50 ℃; (10) collection powder, packing, warehouse-in.
Complex enzyme formulation in step (4) the enzymolysis processing operation is made up of pectase and cellulase, and the mass ratio of pectase and cellulase is 1: 1, and under 20～30 ℃ of conditions, 60～90min is handled in insulation.
Step (8) sterilising conditions is: temperature is 137 ℃～150 ℃, and 2～8 seconds time, drop temperature is cooled to 50～60 ℃;
Dry run in step (9) drying process is to adopt the press spray drier to carry out drying, and its condition is: high-pressure pump pressure control 12.5～15.0Mpa, EAT: 170-185 ℃, temperature of outgoing air: 75-85 ℃, dry back material moisture≤5%.
After adopting such scheme, the present invention is to be primary raw material with high-quality dehydration arillus longan, handles a kind of longan powder that obtains through cleaning, blanching, making beating, glue mill, enzymolysis, allotment, homogeneous, sterilization, drying, collection powder, screening, packing, the processing of product warehousing operation.Because the present invention adopts wet processing, has introduced blanching, enzymolysis processing and spray-drying operation, has solved the relatively poor problem of existing product color and luster, mouthfeel and dissolubility, has improved product quality and yield, has reduced production cost.The invention provides a kind of longan powdery nutraceutical of high-quality, it can be widely used in industries such as food and health products.Its concrete advantage is as follows:
1. product of the present invention is that subtropical zone famous and precious fruit high-quality longan pulp is through the refining natural instant fruit powder that forms of scientific method, in manufacturing process, do not add any pigment, essence, anticorrisive agent etc., the local flavor, the nutritional labeling that have kept longan, the institutional framework exquisiteness, the color and luster nature, mouthfeel is good, dissolubility is high, and pulp is plant cell wall breaking behind enzymolysis, the absorption of human body be can promote, pure natural, high nutrition, health food belonged to nutritional labeling.
2. the full powder of natural longan has the market comsupton prospect of very getting better, can be used as the batching of food or raw materials for food industry and medicine and health products etc., be widely used in beverage, cold drink, candy, health food, bake, industry such as leisure food, medicine, preparation becomes various nutrition and functional food and medicine with deep processing, satisfies the consumption demand of each department to the famous and precious fruit in subtropical zone (longan).Natural quick-dissolving longan powder volume is little, and storage period is long, reconstitutes conveniently, is easy to carry, and can directly be processed into the inner wrapping series of products, is widely used in the consumption of family, hotel, travelling, army and field work.The natural longan powder product series has very large market capacity, and its economic and social benefits also will increase substantially thereupon.
3. preparation technology of the present invention all adopts the mechanizeding continuous operation mode, and raw material is not subject to seasonal restrictions, and all can produce throughout the year.The introducing of enzymolysis has reduced the viscosity of feed liquid in the technology, has improved the feed liquid flowability greatly, helps the processing of longan spray drying process, and has reduced discarded object, reduces cost, and increases economic efficiency.
4. the shelf-life of this product can reach more than 12 months, not only was convenient to storage and outlet, and had solved long-standing longan busy season and cross Sheng for the city, and dull season problem such as low quality, the longan resource is utilized long-term effectively.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
As shown in Figure 1, the present invention is primary raw material and adds maltodextrin and be prepared from high-quality dehydration arillus longan.The preparation method of this natural instant longan powder, be to be primary raw material with high-quality dehydration arillus longan, handle a kind of longan powder that obtains through cleaning, blanching, making beating, enzymolysis, glue mill, allotment, homogeneous, sterilization, drying, collection powder, screening, packing, the processing of product warehousing operation, be dosed into out product from raw material, the production process time is short.
Embodiment 1:
Concrete implementation step: (1) selects best in quality, moisture is about 8% dehydration arillus longan, rejects non-edible parts such as residual shell, claim net weight 100kg.Raw material washes down with the clear water spray, to remove most of pesticide residue and microorganism etc. on the longan surface.(2) arillus longan is joined in the 250kg water, be heated to and boil, after keeping being cooled to 35 ℃ behind the 3min.(3) break into thick slurry with beater, fineness is below 1mm.(4) add pectin, cellulose complex enzyme preparation 70g.Be incubated 60～90min down at 20～30 ℃.(5) add water 150kg through the arillus longan of enzymolysis and stir and enter colloid mill, abrasive disk space transfers to 30 μ m, makes the further refinement of material be the feed liquid of uniform and smooth.The slurry that colloid mill comes out adopts 80 order slurry slag separators to filter, and separates materials such as crude fibre.The thick slag of separating is deposited in addition.(6) gained longan slurry 500kg is pumped in the jacketed pan that has agitator, add the 50kg maltodextrin, add the entry an amount of water that stirs and make it abundant dissolving, stir.(7) deployed mixed serum is controlled at 40MPa with the one-level homogenization pressure, the homogeneous unit that double-stage homogenization pressure is controlled at 20Mpa carries out homogeneous, and the feed liquid granularity is controlled at 5 μ m.It is fine and smooth more and even that pulp fibers is organized, and helps the stable of end product quality and local flavor.(8) adopt the ultra high temperature short time sterilization machine to sterilize sterilising conditions: temperature is 138 ℃, and the time is 6 seconds, and drop temperature is cooled to 50 ℃.(9) adopt the press spray drier to carry out drying, condition is: high-pressure pump pressure control 15.0MPa.EAT: 180 ℃, temperature of outgoing air: 85 ℃, get finished product materials water content 5% after the drying.(10), deliver to Ji Fencang by the refrigeration wind system, through packing, warehouse-in through the powder after the spray-drying.
Embodiment 2:
Its preparation method is substantially the same manner as Example 1, different processing step as follows: (4) add pectin, cellulose complex enzyme preparation 100g.Be incubated 60～90min down at 20～30 ℃.(5) add water 150kg through the arillus longan of enzymolysis and stir and enter colloid mill, abrasive disk space transfers to 30 μ m, makes the further refinement of material be the feed liquid of uniform and smooth.The slurry that colloid mill comes out adopts 80 order slurry slag separators to filter, and separates materials such as crude fibre.The thick slag of separating is deposited in addition.(6) gained longan slurry 500kg is pumped in the jacketed pan that has agitator, add the 100kg maltodextrin, add the entry an amount of water that stirs and make it abundant dissolving, stir.(9) adopt spray dryer to carry out drying, condition is: high-pressure pump pressure control 12.5MPa.EAT: 170 ℃, temperature of outgoing air: 80 ℃, get water content 5% finished product after the drying.
Embodiment 3:
Its preparation method is substantially the same manner as Example 1, different processing step as follows: (6) are starched 500kg with longan and are pumped in the jacketed pan that has agitator, add the 150kg maltodextrin, add an amount of water and make it abundant dissolving, stir.(9) adopt spray dryer to carry out drying, condition is: high-pressure pump pressure control 14.0MPa.EAT: 175 ℃, temperature of outgoing air: 75 ℃, get water content 5% finished product after the drying.
Claims (4)
1. the preparation method of a natural longan powder, it is characterized in that: it may further comprise the steps: (1) is cleaned, and rejects the residual non-edible parts such as shell in dehydration arillus longan the inside, after the clear water washing, inserts in the pot; (2) blanching: be heated to and boil, keep 3min, be cooled to 35 ℃ then; (3) making beating: break into thick slurry with beater, fineness is below 1mm; (4) enzymolysis: slurry is added the 200-400mg/kg complex enzyme formulation, part pectin and cellulose are decomposed, the slag slurry separates then, leaches thick slag and slurry; (5) glue mill: add water through the arillus longan of enzymolysis and stir and enter colloid mill, abrasive disk space transfers to 30 μ m, makes the further refinement of material be the feed liquid of uniform and smooth.(6) allotment: the slurry that leaches adds maltodextrin by 10～30% of its quality and prepares burden; (7) homogeneous: deployed slurry is sent into the homogeneous unit carry out the processing of littleization of high pressure; (8) sterilization: the feed liquid behind the homogeneous enters superhigh temperature disinfecting machine and sterilizes, (9) drying: enter the pressure spray dryer spray-drying after slurry is cooled to 50 ℃; (10) collection powder, packing, warehouse-in.
2. according to the preparation method of the described natural longan powder of claim 1, it is characterized in that: the complex enzyme formulation in step (4) the enzymolysis processing operation is made up of pectase and cellulase, the mass ratio of pectase and cellulase is 1: 1, and under 20～30 ℃ of conditions, 60～90min is handled in insulation.
3. according to the preparation method of the described natural quick-dissolving longan powder of claim 1, it is characterized in that: step (8) sterilising conditions is: temperature is 137 ℃～150 ℃, and 2～8 seconds time, drop temperature is cooled to 50～60 ℃;
4. according to the preparation method of the described natural quick-dissolving longan powder of claim 1, it is characterized in that: the dry run in step (9) drying process is to adopt the press spray drier to carry out drying, its condition is: high-pressure pump pressure control 12.5～15.0Mpa, EAT: 170-185 ℃, temperature of outgoing air: 75-85 ℃, dry back material moisture≤5%.
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| CN200910112623A CN101690566A (en) | 2009-09-25 | 2009-09-25 | Method for making natural longan powder |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210434A (en) * | 2011-07-08 | 2011-10-12 | 攀枝花市琪琳果蔬制品有限责任公司 | Mango powder and preparation method thereof |
| CN102871069A (en) * | 2012-09-12 | 2013-01-16 | 广东省农业科学院蚕业与农产品加工研究所 | Method for processing longan fruit powder |
| CN103190512A (en) * | 2013-04-20 | 2013-07-10 | 普洱漫崖咖啡实业有限公司 | Fruit-coffee solid drink and preparation method thereof |
| CN104431856A (en) * | 2014-12-25 | 2015-03-25 | 广东石油化工学院 | Preparation method of instant longan powder |
| CN104542945A (en) * | 2015-02-11 | 2015-04-29 | 广东石油化工学院 | Processing method of litchi powder |
| CN105558740A (en) * | 2016-01-15 | 2016-05-11 | 徐州工程学院 | Pumpkin and Chinese yam compounded instant solid beverage and making technology thereof |
| CN105595244A (en) * | 2015-12-22 | 2016-05-25 | 中华全国供销合作总社济南果品研究院 | Preparation method of high-purity instant fruit powder |
| CN106616610A (en) * | 2016-12-19 | 2017-05-10 | 罗城仫佬族自治县明亿农业开发农民专业合作社 | Preparation method for instant longan powder |
| CN106689259A (en) * | 2016-11-22 | 2017-05-24 | 唐林元 | Method for preparing baking food leavening agent from composite fruit powder |
| CN107296270A (en) * | 2017-07-11 | 2017-10-27 | 贵州老锄头食品股份有限公司 | Red barnyard grass longan powder and preparation method thereof |
-
2009
- 2009-09-25 CN CN200910112623A patent/CN101690566A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210434A (en) * | 2011-07-08 | 2011-10-12 | 攀枝花市琪琳果蔬制品有限责任公司 | Mango powder and preparation method thereof |
| CN102871069A (en) * | 2012-09-12 | 2013-01-16 | 广东省农业科学院蚕业与农产品加工研究所 | Method for processing longan fruit powder |
| CN103190512A (en) * | 2013-04-20 | 2013-07-10 | 普洱漫崖咖啡实业有限公司 | Fruit-coffee solid drink and preparation method thereof |
| CN104431856A (en) * | 2014-12-25 | 2015-03-25 | 广东石油化工学院 | Preparation method of instant longan powder |
| CN104542945A (en) * | 2015-02-11 | 2015-04-29 | 广东石油化工学院 | Processing method of litchi powder |
| CN105595244A (en) * | 2015-12-22 | 2016-05-25 | 中华全国供销合作总社济南果品研究院 | Preparation method of high-purity instant fruit powder |
| CN105558740A (en) * | 2016-01-15 | 2016-05-11 | 徐州工程学院 | Pumpkin and Chinese yam compounded instant solid beverage and making technology thereof |
| CN106689259A (en) * | 2016-11-22 | 2017-05-24 | 唐林元 | Method for preparing baking food leavening agent from composite fruit powder |
| CN106616610A (en) * | 2016-12-19 | 2017-05-10 | 罗城仫佬族自治县明亿农业开发农民专业合作社 | Preparation method for instant longan powder |
| CN107296270A (en) * | 2017-07-11 | 2017-10-27 | 贵州老锄头食品股份有限公司 | Red barnyard grass longan powder and preparation method thereof |
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Open date: 20100407 |