CN104472876A - Production method of special plant feed additive for aquaculture - Google Patents
Production method of special plant feed additive for aquaculture Download PDFInfo
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- CN104472876A CN104472876A CN201410747205.6A CN201410747205A CN104472876A CN 104472876 A CN104472876 A CN 104472876A CN 201410747205 A CN201410747205 A CN 201410747205A CN 104472876 A CN104472876 A CN 104472876A
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Abstract
The invention provides a production method of a plant feed additive for aquaculture. The production method comprises the following steps: drying fresh leaves of eucommia bark, grinding the leaves, adding deionized water to extract the ground leaves for 4-6 hours, carrying out suction filtration on the extracting solution and pumping the extracting solution into a storage tank, re-adding deionized water for secondary extraction, mixing the extracting solutions, carrying out refined filtration on the extracting solution mixture and carrying out vacuum concentration until the Baume degree is 35-38 degrees Be, thus preparing a eucommia bark natural extract capsule core; preparing a capsule wall material into a capsule wall material solution; mixing the capsule core with the capsule wall material solution in a weight ratio of 1 to 1 to prepare a suspension and stirring the suspension uniformly until the Baume degree is 20-25 degrees Be; pumping the obtained mixed liquid into a spray drying tower by a high-pressure homogeneous pump, carrying out airflow atomization and instantaneously drying the atomized grains into microcapsules at high temperature being 170-180 DEG C. The production method has the beneficial effects that the produced feed additive has enhancement of flowability, is easy to mix uniformly, has strong buoyancy and is beneficial to being eaten by fish; the functional component use degree is high after aquatic animals are fed with the feed additive.
Description
Technical field
The present invention relates to a kind of production method of aquaculture plant feed additive, the microcapsules particularly related to based on eucommia leaf extract is produced, the special additive making aquatic product premixed feed or mixed feed of product.
Background technology
The bark of eucommia is the distinctive Chinese medicine of China, containing there being lignin, Phenylpropanoid Glycosides class, iridoids, flavonoids, polysaccharide, grease class, amino acids etc. more than 80 to plant natural active matter and medicinal ingredient in plant tissue, particularly Chlorogenic Acid in Eucommia ulmoides Oliv. Leaves content is up to more than 3%, has antibacterial, anti-inflammatory, removing toxic substances, cholagogic, step-down and increasing leukocyte and significantly increases gastrointestinal peristalsis and promote the pharmacological actions such as gastric secretion.
The bark of eucommia, except curing the disease for the traditional Chinese medical science, is commonly used for feed addictive and plays a significant role in the healthy aquaculture of animal husbandry and fishery.As far back as the nineties in last century, Nihon University Pharmaceutical Department high bridge week seven professor etc., bark of eucommia powder domestic in adding in the bait such as the yellow eel propagated artificially, grass carp, carp, eel, result can be accelerated growth and improve fish crop, strengthen fish tissue intensity, reduce muscle fibre rugosity, improve flesh collagen content, thus improve the cooking local flavor of the flesh of fish.
Bark of eucommia element is folium cortex eucommiae through plant extract, refining, spray-dired pulvis, and more single for formulation when feed manufacturing and animal-breeding, particularly in aquaculture, bait drops into after in water, and the functional components such as chlorogenic acid are soluble in water, reduces result of use.
Summary of the invention
For overcoming the deficiency of existing bark of eucommia element feedstuff additive product serviceability, the invention provides a kind of bark of eucommia element feed addictive microcapsules, being exclusively used in the healthy aquaculture of aquatic livestock.
The technical solution adopted for the present invention to solve the technical problems is: a kind of production method of aquaculture plant feed additive, and step comprises:
(1) Fresh Folium Eucommiae is dried, be crushed to 10 ~ 20 orders, add deionized water, stirring and leaching 4 ~ 6h, feed liquid mass ratio 1:10, leaching liquor suction filtration pumps into storage tank, again adds the lixiviate of deionized water secondary, feed liquid mass ratio 1:8, merge leaching liquor, essence filter, Vacuum Concentration, to Baume degrees 35 ~ 38 ° of B é, obtains bark of eucommia natural extract;
(2) choose capsule material, make capsule material solution, described wall material is water-insoluble wall material;
(3) getting bark of eucommia natural extract is capsule-core, capsule-core and capsule material solution is mixed into suspension by weight 1:1 ratio, stirs, Baume degrees 20 ~ 25 ° of B é;
(4) pump in spray drying tower by step (3) gained mixed liquor by high-pressure homogeneous, aerodynamic atomization, under 170 ~ 180 DEG C of high temperature, the particle wink-dry of atomization becomes microencapsulated form, collects loading Polythene Bag standby.
Optimize, described capsule material is polymer class capsule material, cellulose family capsule material or natural waxes capsule material.
Further optimization, described polymer class capsule material is polyamide or polymethacrylates, and described cellulose family capsule material is cellulose acetate or ethyl cellulose, and described natural waxes capsule material is beeswax or Brazil wax.
In step (2), when described capsule material is polymer class capsule material, cellulose family capsule material, the method making capsule material solution is: add deionized water by feed liquid mass ratio 1:2 and be heated to 80 ~ 90 DEG C of emulsifications;
In step (2), described capsule material is the method that natural waxes makes capsule material solution is heating and melting.
Eucommia leaf extract microcapsules prepared by the present invention, chlorogenic acid >=2.0%, general flavone (in rutin) >=12.0%, total reducing sugar >=10.0%.
The present invention for core with eucommia leaf extract concentrate, evenly wraps up core with water-insoluble capsule material and forms mixture, mixture aerodynamic atomization, spraying dry, prepares microencapsulation bark of eucommia element feed addictive.Its beneficial effect is, microcapsules bark of eucommia element feed addictive, the pulvis drier than former eucommia leaf extract concentrate Direct spraying, and one is that mobility strengthens, and be easy to mix during for adding and producing feed, product serviceability improves; Two is that microcapsules core is wrapped protection, water insoluble, and buoyancy is comparatively strong, and favourable fish take food; Three is the not easily strippings in water body of core active ingredient, and aquatic livestock takes food rear functional component availability and improves.
Detailed description of the invention
Be described further below in conjunction with concrete case study on implementation.
Embodiment 1
Pluck the Fresh Folium Eucommiae 1000kg of mid-July, the same day dries at 60 ~ 65 DEG C of temperature with dryer, obtains the bark of eucommia and bakes leaf 335kg; The bark of eucommia being baked leaf and be crushed to 10 ~ 20 orders, take deionized water as extraction, solid-liquid ratio 1:10, stirring and leaching 6h, and leaching liquor suction filtration pumps into storage tank; Add the lixiviate of 1:8 deionized water secondary, merge leaching liquor, with the filter of 5um hollow-fibre membrane essence, smart filter vacuum is concentrated into Baume degrees 38 ° of B é, must obtain eucommia leaf extract concentrate 202kg, as microencapsulation core.
Get ethyl cellulose 33.5kg, add 66.5kg deionized water, be heated to 80 DEG C of emulsifications even, add eucommia leaf extract concentrate 100kg while hot, be mixed into suspension, suspension Baume degrees 22 ° of B é, pump into aerodynamic atomization in spray drying tower by high-pressure homogeneous, wink-dry under 170 ~ 180 DEG C of high temperature, obtains microencapsulation eucommia leaf extract 76.5kg.After testing, the eucommia leaf extract microcapsules active constituent content prepared of this law: bark of eucommia chlorogenic acid 2.74%, eucommiae total flavones 13.72%, bark of eucommia total reducing sugar 12.73%.
Embodiment 2
Get Brazil wax 34kg, add 66kg deionized water, be heated to 90 DEG C of emulsifications even.Get example 1 eucommia leaf extract concentrate 100kg, add emulsion while hot, be mixed into suspension, suspension Baume degrees 25 ° of B é, pump into aerodynamic atomization in spray drying tower, wink-dry under 170 ~ 180 DEG C of high temperature, obtain microencapsulation eucommia leaf extract 74.2kg.After testing, the eucommia leaf extract microcapsules active constituent content prepared of this law: bark of eucommia chlorogenic acid 2.56%, eucommiae total flavones 13.46%, bark of eucommia total reducing sugar 13.24%.
Claims (5)
1. a production method for aquaculture plant feed additive, is characterized in that, step comprises:
(1) Fresh Folium Eucommiae is dried, be crushed to 10 ~ 20 orders, add deionized water, stirring and leaching 4 ~ 6h, feed liquid mass ratio 1:10, leaching liquor suction filtration pumps into storage tank, again adds the lixiviate of deionized water secondary, feed liquid mass ratio 1:8, merge leaching liquor, essence filter, Vacuum Concentration, to Baume degrees 35 ~ 38 ° of B é, obtains bark of eucommia natural extract;
(2) choose capsule material, make capsule material solution, described wall material is water-insoluble wall material;
(3) getting bark of eucommia natural extract is capsule-core, capsule-core and capsule material solution is mixed into suspension by weight 1:1 ratio, stirs, Baume degrees 20 ~ 25 ° of B é;
(4) pump in spray drying tower by step (3) gained mixed liquor by high-pressure homogeneous, aerodynamic atomization, under 170 ~ 180 DEG C of high temperature, the particle wink-dry of atomization becomes microencapsulated form, collects loading Polythene Bag standby.
2. production method of producing cultivation plant feed additive according to claim 1, it is characterized in that, described capsule material is polymer class capsule material, cellulose family capsule material or natural waxes capsule material.
3. production method of producing cultivation plant feed additive according to claim 1, it is characterized in that, described polymer class capsule material is polyamide or polymethacrylates, described cellulose family capsule material is cellulose acetate or ethyl cellulose, and described natural waxes capsule material is beeswax or Brazil wax.
4. production method of producing cultivation plant feed additive according to claim 1, it is characterized in that, in step (2), when described capsule material is polymer class capsule material, cellulose family capsule material, the method making capsule material solution is: add deionized water by feed liquid mass ratio 1:2 and be heated to 80 ~ 90 DEG C of emulsifications.
5. production method of producing cultivation plant feed additive according to claim 1, is characterized in that, in step (2), described capsule material is the method that natural waxes makes capsule material solution is heating and melting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410747205.6A CN104472876A (en) | 2014-12-10 | 2014-12-10 | Production method of special plant feed additive for aquaculture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190479A (en) * | 2021-11-23 | 2022-03-18 | 江门市旺海饲料实业有限公司 | Microencapsulated grass carp feed additive and preparation method and application thereof |
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