CN101156703B - A method for preparing water-solubility ginkgo powder - Google Patents
A method for preparing water-solubility ginkgo powder Download PDFInfo
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Abstract
The invention relates to a production method of a water soluble gingko powder, which belongs to the gingko processing technical field. The invention takes fresh gingko as the raw materials, gingko seeds are crushed with water after being shelled, the gingko starch and the destarch gingko solution are respectively obtained through precipitation separation, the gingko starch obtains the gingko starch hydrolyzed solution through the enzymolysis of amylase and pullulanase together, and the gingko starch hydrolyzed solution and the destarch gingko solution adopt homogenization treatment and spray drying after being mixed, so as to produce water soluble gingko powder of the residual of non-cyanide. The water soluble gingko powder holds the gingko fragrance and the nutrition component, thereby the invention has great significance to the comprehensive utilization of gingko resources.
Description
Technical field
A kind of production method of water-solubility ginkgo powder belongs to technical field of ginkgo processing.
Background technology
Ginkgo has another name called gingko, is the distinctive rare fruit of China, and very high economic worth is arranged.Ginkgo nut is made up of meat exosper, sclerotin mesosperm, membranous endotesta, kind benevolence.Put down in writing according to Compendium of Material Medica: " prepared food temperature lung, beneficial gas, relieving asthma and cough, dwindle just, end gonorrhoea; Eat raw and fall phlegm, disinfection ".Modern science proves: content of starch is 30%-35%, protein 5%-6.4%, fatty 2%-2.4%, polysaccharide 0.87%-1.1%, moisture content about 55% in the ginkgo kernel, also contain minerals and vitamins and several physiological active substances such as selenium, phosphorus, iron, carrotene, riboflavin, thiamine and niacin, Chinese People's Anti-Japanese Military and Political College enterobacteria, corynebacterium diphtheriae, staphylococcus, tubercle bacillus, streptococcic effect are arranged.Traditional Chinese medical science element is treated diseases such as bronchial astehma, chronic bronchitis, pulmonary tuberculosis, leukorrhea, stranguria with turbid discharge, seminal emission with ginkgo kernel.Ginkgo kernel also has the flat wrinkle of removing beverage, the effect of treatment sore, tinea.
Ginkgo plantation heat before 10 years increases considerably the output of present ginkgo, but the tradition of the manual processing of peasant household is being kept in ginkgo processing always, and a large amount of ginkgoes come into the market with the form of thick product; At present the ginkgo deep processed product is based on foods packed in carton containers, gingko juice, and as muddy type and clarification type fruit juice, foods packed in carton containers, domestic existing enterprise produces above product.Directly towards the beverage terminal market, shelf life of products is limited for above product, and the enterprise market development difficulty is big; Add that industrial chain is short, the Business survival space is limited; Therefore, in the ginkgo industry that the product storage does not match, enterprise can't increase scale, the contradiction of the huge limited working ability of ginkgo output and enterprise occurred, and in the face of this situation, the deep processing that strengthens ginkgo just necessitates.
After looking into newly, do not see production method (the first ginkgo starch that separates in ginkgo dry powder is produced both at home and abroad with Ben Cha new projects, adopt AMS, pullulanase that it is carried out the Controlled-enzymatic Hydrolysis technical finesse, the ginkgo starch of handling post-modification is mixed final spray-drying generation ginkgo dry powder with the ginkgo solution of desizing), the production of ginkgo dry powder that range of application (medicated type additive product) is identical and the open source literature of research report.
Summary of the invention
Purpose of the present invention provides a kind of production method of water-solubility ginkgo powder, produces the residual water-solubility ginkgo powder of cyanide-free.This product has certain scientific and technological content, and the added value height can be used as the formula material of dairy products and other Foods or drinkses, also can directly allocate and drink.
Technical scheme of the present invention: a kind of production method of water-solubility ginkgo powder, with the fresh gingko is raw material, the back ginkgo kernel that shells is broken with pigment, obtain ginkgo starch and desizing ginkgo solution respectively by precipitate and separate, ginkgo starch obtains the ginkgo starch hydrating solution with amylase and Pullulanase coordinated enzymatic hydrolysis, ginkgo starch hydrating solution and desizing ginkgo solution mix the back and adopt homogeneous to handle and spray-drying, produce the residual water-solubility ginkgo powder of cyanide-free, and technology is:
The first step: ginkgo preserves.The peeling ginkgo is soaked 10min with 0.1% Eusol, and washing is dried, and puts freezer 2-4 ℃ storage, makes regular check on the maintenance ginkgo and does not have and go mouldy.
Second step: ginkgo is shelled.
Ginkgo is shelled, separating husk, and ginkgo kernel is soaked in water standby.
The 3rd step: ginkgo kernel is pulverized.
From fermentation vat, transport ginkgo kernel with conveyer belt and advance the kibbling mill water mill, with ginkgo kernel: water weight ratio is 1: 1.5-1: 2 ratio adds water, water mill is crossed 80 mesh sieves, and centrifugal screenings separates, and bits enter corase grind workshop section and pulverize again, slurry enters mulser, pulverized the 180-200 mesh sieve, slurries advance cyclone separator to be separated, and slags tap in water mill and corase grind stage, water mill adopts batch operation, and going out the quantity of slag is about 5% of ginkgo kernel processing capacity.
The 4th step: starch separates.
Slurries enter cyclone separator, isolate the water-soluble material of bits, starch and ginkgo respectively, isolated bits contain crude fibre and large particulate matter, bits are back to corase grind, starch stays does enzymolysis, stay the starch water content of doing enzymolysis to be not less than 40%, the water-soluble material of ginkgo is standby, and the content of controlling the water-soluble material of ginkgo as far as possible is greater than 30%.
The 5th step: heat temperature raising.
Through precipitation, starch is sent into heat exchange with sanitary pump and is heated up, and inlet temperature is a room temperature, and outlet temperature 40-45 ℃, it is standby to enter enzymatic vessel after the processing.
The 6th step: enzymolysis.
Starch feed liquid in the enzymatic vessel is regulated pH 6.2 with the NaOH solution of 10% concentration, adds the CaCl of starch feed liquid weight 0.1%
2, the two-way Steam Heating stirs and is rapidly heated 50 ℃, chuck adds thermal agitation and heats up, 100-105 ℃ of insulation 10-15min, steam off valve, open the compressed air valve, be cooled to 55-90 ℃ naturally, every gram ginkgo kernel raw material adds enzyme with 10u/g, used enzyme is amylase and Pullulanase, and the weight ratio of amylase and Pullulanase is 2: 1-4: 1, stir enzymolysis 30min, control DE value 7-8, intensification 100-120 ℃, 30min, enzyme goes out.
The 7th step: decompression concentrates.
Lysate behind merging enzymolysis liquid and the separating starch, feeding temperature 45-50 ℃, 60 ℃ of operating temperatures are evaporated to solid content 35%
The 8th step: homogeneous.
Feed liquid after concentrating is pumped into homogenizer with sanitary pump, 40-60Mpa 60-65 ℃ homogeneous.
The 9th step: spray-drying.
Material carries out spray-drying behind homogeneous, inlet feed: 60-65 ℃, and solid content 33%-35%; Outlet material: moisture＜8%; EAT 180-220 ℃; 80 ℃ of leaving air temps.
The tenth step: granulation.
Spray-dried dry powder carries out granulation, granularity requirements 35-20 order.
The 11 step: packing.
Beneficial effect of the present invention: ginkgo has very long history as herbal cuisine, and liked by the common people.Exploitation fully keeps the herbal cuisine nutritional labeling of ginkgo, and cater to the flavour product of consumer hobby, utilize the broken fruits and time fruit of the relatively poor and a large amount of wastes of commodity to process, actively widen product type, production is suitable for the prescription type product of food and drink enterprise and is suitable for common people's modern house directly drinking the type product, to satisfy the needs of domestic and international market.Accelerate exploitation and implement water-solubility ginkgo powder production to have tangible economic benefit and social benefit.
The present invention is to promoting the extraordinary plant plant husbandry of ginkgo; The degree of depth is utilized the region agricultural resource, produces Ji mutually with fresh-keeping ginkgo, realizes that the product storage is supporting; Expand ginkgo class medicated food market, pulling rural economic development etc. has important function and significance.
Description of drawings
Fig. 1 water-solubility ginkgo powder production technology schematic diagram.
The specific embodiment
Embodiment 1
1 ton of fresh ginkgo nut, machinery takes off exosper and shell, gets 270 kilograms of ginkgo kernels.Ginkgo kernel advances kibbling mill, add 500 kg of water, pulverized 80 mesh sieves, centrifugal screenings separates, and bits enter corase grind workshop section and pulverize again, slurry enters mulser, pulverized 180 mesh sieves, slurries enter centrifuge and separate skin slag, 8000 rev/mins of centrifuge speeds, continuous feed is slagged tap continuously, goes out 12 kilograms of the quantity of slag.The slurries that remove slag enter the stillpot separating starch, leave standstill 8 hours after, sucking-off gingkgo water solution, starch is separated separately.Starch stays does enzymolysis, and the water-soluble material of ginkgo is standby.The content of the water-soluble material of control ginkgo stays the starch water content of doing enzymolysis to be not less than 40% greater than 30%.Send into heat exchange through the starch of precipitation with sanitary pump and heat up, the inlet temperature room temperature, outlet temperature 40-45 ℃, it is standby to enter enzymatic vessel after the processing.Starch feed liquid in the enzymatic vessel is regulated pH 6.2 with 10%NaOH solution, adds the CaCl of starch feed liquid weight 0.1%
2, the two-way Steam Heating stirs and is rapidly heated 50 ℃, chuck adds thermal agitation and heats up, 100-105 ℃ of insulation 10-15min, steam off valve, open the compressed air valve, be cooled to 55-90 ℃ naturally, every gram ginkgo kernel raw material adds enzyme with 10u/g, used enzyme is amylase and Pullulanase, and the weight ratio of amylase and Pullulanase is 3: 1, stirs enzymolysis 30min, control DE value 7-8, intensification 100-120 ℃, 30min, enzyme goes out.The aqueous solution behind merging enzymolysis liquid and the separating starch is evaporated to solid content 35%, and condition of work is feeding temperature 45-50 ℃, 60 ℃ of operating temperatures.Feed liquid after concentrating pumps into homogenizer with sanitary pump, 40-60Mpa, 60-65 ℃ of following homogeneous.Implement spray-drying, inlet feed: 60-65 ℃, solid content 33%-35% through homogeneous with the disposal ability of 200L/h; Outlet material: moisture＜8%; EAT 180-220 ℃; 80 ℃ of leaving air temps.Spray-dried dry powder carries out granulation, granularity requirements 35-20 order.Finally obtain 90 kilograms of water-solubility ginkgo powders, yield is greater than 30%.
Claims (1)
1. the production method of a water-solubility ginkgo powder, it is characterized in that with the fresh gingko being raw material, the back ginkgo kernel that shells is broken with pigment, obtain ginkgo starch and desizing ginkgo solution respectively by precipitate and separate, ginkgo starch obtains the ginkgo starch hydrating solution with amylase and Pullulanase coordinated enzymatic hydrolysis, ginkgo starch hydrating solution and desizing ginkgo solution mix the back and adopt homogeneous to handle and spray-drying, produce the residual water-solubility ginkgo powder of cyanide-free, and technology is:
(1) ginkgo preserves: the peeling ginkgo, soak 10min with 0.1% Eusol, and washing is dried, and puts freezer 2-4 ℃ storage, makes regular check on the maintenance ginkgo and does not have and go mouldy;
(2) ginkgo is shelled: ginkgo is shelled, separating husk, and ginkgo kernel is soaked in water standby;
(3) ginkgo kernel is pulverized: transport ginkgo kernel with conveyer belt from fermentation vat and advance the kibbling mill water mill, with ginkgo kernel: water weight ratio is 1: 1.5-1: 2 ratio adds water, water mill is crossed 80 mesh sieves, and centrifugal screenings separates, and bits enter corase grind workshop section and pulverize again, slurry enters mulser, pulverized the 180-200 mesh sieve, slurries advance cyclone separator to be separated, and slags tap in water mill and corase grind stage, water mill adopts batch operation, and going out the quantity of slag is 5% of ginkgo kernel processing capacity;
(4) starch separates: slurries enter cyclone separator, isolate the water-soluble material of bits, starch and ginkgo respectively; Isolated bits contain crude fibre and large particulate matter, and bits are back to corase grind; Starch stays does enzymolysis, stays the starch water content of doing enzymolysis to be not less than 40%; The water-soluble material of ginkgo is standby, and the content of the water-soluble material of control ginkgo is greater than 30%;
(5) heat temperature raising: through precipitation, starch is sent into heat exchange with sanitary pump and is heated up, and inlet temperature is a room temperature, and outlet temperature 40-45 ℃, it is standby to enter enzymatic vessel after the processing;
(6) enzymolysis: the starch feed liquid in the enzymatic vessel is regulated pH 6.2 with the NaOH solution of 10% concentration, adds the CaCl of starch feed liquid weight 0.1%
2, the two-way Steam Heating stirs and is rapidly heated 50 ℃, chuck adds thermal agitation and heats up, 100-105 ℃ of insulation 10-15min, steam off valve, open the compressed air valve, be cooled to 55-90 ℃ naturally, every gram ginkgo kernel raw material adds enzyme with 10u/g, used enzyme is amylase and Pullulanase, and the weight ratio of amylase and Pullulanase is 2: 1-4: 1, stir enzymolysis 30min, control DE value 7-8, intensification 100-120 ℃, 30min, enzyme goes out;
(7) decompression concentrates: the lysate behind merging enzymolysis liquid and the separating starch, and feeding temperature 45-50 ℃, 60 ℃ of operating temperatures are evaporated to solid content 35%;
(8) homogeneous: the feed liquid after concentrating is pumped into homogenizer with sanitary pump, 40-60Mpa 60-65 ℃ homogeneous;
(9) spray-drying: material carries out spray-drying behind homogeneous, inlet feed: 60-65 ℃, and solid content 33%-35%; Outlet material: moisture＜8%; EAT 180-220 ℃; 80 ℃ of leaving air temps;
(10) granulation: spray-dried dry powder carries out granulation, and granularity is the 35-20 order;
(11) packing.
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| CN101543301B (en) * | 2009-05-11 | 2012-06-06 | 李奇峰 | Method for producing instant health care ginkgo powder |
| CN102273670B (en) * | 2011-05-31 | 2014-05-14 | 徐志扬 | Ginkgo grain preparation method using enzymolysis and spray drying |
| CN103859038A (en) * | 2012-12-17 | 2014-06-18 | 南通康威尔生物化工有限公司 | Production method of active ginkgo nut milk powder |
| CN103637347A (en) * | 2013-12-02 | 2014-03-19 | 东北林业大学 | Preparation method of water-soluble peony seed powder |
| CN103704788A (en) * | 2013-12-30 | 2014-04-09 | 徐州绿之野生物食品有限公司 | Fermented ginkgo powder and processing method thereof |
| CN103704789B (en) * | 2013-12-30 | 2015-04-22 | 徐州绿之野生物食品有限公司 | Production method of black ginkgo powder |
| CN104621672A (en) * | 2014-12-30 | 2015-05-20 | 上海大山合菌物科技股份有限公司 | Instant solid gingko fruit beverage and preparation method thereof |
| CN104997124A (en) * | 2015-08-19 | 2015-10-28 | 李登攀 | A clarified Hetian jujube beverage and a production method thereof |
| CN105640920A (en) * | 2015-11-30 | 2016-06-08 | 中国林业科学研究院林产化学工业研究所 | Preparation method of gingko slowly digestible starch supported GBE |
| CN105435236A (en) * | 2015-12-04 | 2016-03-30 | 中国林业科学研究院林产化学工业研究所 | Preparation method of gingko resistant starch microspheres |
| CN106360594B (en) * | 2016-11-03 | 2020-12-04 | 无锡富泽药业有限公司 | Preparation method of ginkgo powder |
| CN106579235A (en) * | 2016-11-07 | 2017-04-26 | 王福丽 | Ginkgo functional food and preparation method thereof |
| WO2019161564A1 (en) * | 2018-02-26 | 2019-08-29 | 江南大学 | Preparation method for ginkgo composite cereal and ginkgo composite cereal |
| CN110089711A (en) * | 2019-04-09 | 2019-08-06 | 夏建伟 | A kind of preparation method and ginkgo slurries, ginkgo underflow, ginkgo powder of the ginkgo powder containing peptide |
| CN113136404A (en) * | 2021-05-31 | 2021-07-20 | 南京林业大学 | Isomaltooligosaccharide prepared from semen Ginkgo starch, and its preparation method and application |
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