CN107242394A - A kind of high lobster special feed of Se content - Google Patents
A kind of high lobster special feed of Se content Download PDFInfo
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- CN107242394A CN107242394A CN201611252494.8A CN201611252494A CN107242394A CN 107242394 A CN107242394 A CN 107242394A CN 201611252494 A CN201611252494 A CN 201611252494A CN 107242394 A CN107242394 A CN 107242394A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention discloses a kind of high lobster special feed of Se content, its raw material includes by weight:15 25 parts of Se-enriched yeast powder, 15 25 parts of sprouted unpolished rice, 20 30 parts of corn, 8 16 parts of oatmeal, 6 14 parts of sunflower seed dregs, 10 20 parts of yellow meal worm powder, 15 25 parts of the puffed peanut dregs of rice, 37 parts of earthworm powder, 4 10 parts of rapeseed dregs, 58 parts of Kelp Powder, 0.3 0.5 parts of stone flour, 0.6 1 parts of probiotics preparation, 37 parts of Chinese herb feed additive, 6 10 parts of compound premix, attapulgite modified 6 10 parts.The present invention is not only rich in Organic Selenium, and absorptivity is good, and can significantly improve selenium-rich content in lobster meat, feed nutrition general equilibrium, raw material type enriches, and complies fully with the omnivorous characteristic of lobster, promotes lobster feed intake, promote the growth rate of lobster, weightening is obvious, while with low cost.
Description
Technical field
The present invention relates to field of feed, more particularly to a kind of high lobster special feed of Se content.
Background technology
Freshwater lobster scientific name Procambius clarkii, is under the jurisdiction of Arthropoda, Crustachia, river prawn section, former Astacus, is crayfish
One kind of category most fishery economic value.Lobster strong adaptability, freshwater lake, river, pond, ditch and rice can be moved in extensively
In the water bodys such as field, the ground such as Jiangsu, Zhejiang, Hubei, Hunan, Anhui, Shanghai, Shandong are distributed mainly on, substantially naturality is wild
Production-goods source.Lobster is not only the pure white delicacy of meat, and delicious flavour is nutritious, high protein, low fat, while its muscle fibre is thin
It is tender, it is easy to digest and assimilate.Selenium is the required trace quantity mineral substance element for maintaining health, and it has strong antioxidant action, Neng Gouqing
Except body lipid peroxide and free radical are to protect cell membrane, immunity of organisms and premunition are improved, protection human body resists outer
Carry out harmful substance.The organic selenium content of lobster is improved, selenium-rich lobster is produced, healthcare function and the cultivation of lobster can be significantly improved
The income at family.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of high lobster special feed of Se content, no
Organic Selenium is only rich in, absorptivity is good, and can significantly improve selenium-rich content in lobster meat, feed nutrition general equilibrium, raw material
Species is enriched, and complies fully with the omnivorous characteristic of lobster, promotes lobster feed intake, promotes the growth rate of lobster, increases weight bright
It is aobvious, while with low cost.
A kind of high lobster special feed of Se content proposed by the present invention, its raw material includes by weight:Se-enriched yeast powder
15-25 parts, 15-25 parts of sprouted unpolished rice, 20-30 parts of corn, 8-16 parts of oatmeal, 6-14 parts of sunflower seed dregs, yellow meal worm powder 10-20
Part, 15-25 parts of the puffed peanut dregs of rice, 3-7 parts of earthworm powder, 4-10 parts of rapeseed dregs, 5-8 parts of Kelp Powder, 0.3-0.5 parts of stone flour is prebiotic
0.6-1 parts of bacteria preparation, 3-7 parts of Chinese herb feed additive, 6-10 parts of compound premix is attapulgite modified 6-10 parts.
Preferably, probiotics preparation, Chinese herb feed additive, compound premix, attapulgite modified weight ratio are 0.7-
0.9:4-6:7-9:7-9.
Preferably, Se-enriched yeast powder, sprouted unpolished rice, corn, oatmeal, sunflower seed dregs, yellow meal worm powder, the puffed peanut dregs of rice,
Earthworm powder, rapeseed dregs, the weight ratio of Kelp Powder are 18-22:17-23:22-28:10-14:8-12:13-17:18-22:4-6:6-
8:6-7.
Preferably, compound premix includes by weight:1.5-2.5 parts of threonine, 0.8-1.2 parts of lysine, methionine
1.5-2.5 parts, 1.5-2.5 parts of tryptophan, 0.6-1.2 parts of apple polyphenol, 1-2 parts of Tea Polyphenols, 4-8 parts of B B-complex is combined
4-8 parts of mineral matter, 10-20 parts of sepiolite powder, 30-50 parts of cornstarch.
Preferably, it is attapulgite modified to be prepared using following technique:Attapulgite clay is immersed in hydrochloric acid, ultrasound shake
Swing, suction filtration, washing to neutrality is submerged in absolute ethyl alcohol, ultrasonic vibration, and ammoniacal liquor, distilled water are added under stirring, and heating is stirred
Mix, add tetraethyl orthosilicate stirring, suction filtration is washed, dried, addition gum arabic, water, sodium hydroxide are well mixed to obtain pre-
Handle attapulgite;Octenyl succinic acid anhydride, ethanol are mixed evenly, poured into pretreatment gum arabic, using hydrogen
Sodium oxide molybdena regulation system pH value is 8-8.6, and stirring uses hydrochloric acid regulation system pH value for 6-6.4, washed repeatedly with water with ethanol
Wash, by drying precipitate, crushing obtains attapulgite modified.
Preferably, it is attapulgite modified to be prepared using following technique:Attapulgite clay is immersed in hydrochloric acid, 45-55 DEG C
In ultrasonic vibration 12-18h, suction filtration, washing to neutrality, submergence absolute ethyl alcohol, ultrasonic vibration 30-60min, in 700-800r/min
Ammoniacal liquor, distilled water are added under mixing speed, 65-75 DEG C of stirring 25-45min adds tetraethyl orthosilicate stirring 7-10h, and suction filtration is washed
Wash, dry, addition gum arabic, water, sodium hydroxide are well mixed to be obtained pre-processing attapulgite;By ocentyl succinic
Acid anhydride, ethanol are mixed evenly, and pour into temperature and are pre-processed for 55-65 DEG C in gum arabic, using sodium hydroxide regulation system
PH value is 8-8.6, stirs 120-160min, uses hydrochloric acid regulation system pH value for 6-6.4, with ethanol and water cyclic washing, is incited somebody to action
Drying precipitate, crushing obtains attapulgite modified.
Preferably, it is attapulgite modified to be prepared using following technique:15-25 parts of attapulgite clays are immersed in by weight
Concentration is in 1.5-2mol/L hydrochloric acid, 45-55 DEG C of ultrasonic vibration 12-18h, suction filtration, washing to neutrality submerges absolute ethyl alcohol
In, ultrasonic vibration 30-60min adds 6-10 parts of ammoniacal liquor, 60-100 parts of distilled water, 65- under 700-800r/min mixing speeds
75 DEG C of stirring 25-45min, 3-7 parts of tetraethyl orthosilicates stirring 7-10h of addition, suction filtration is washed, dried, and adds 8-12 parts of Arab
Natural gum, 100-120 parts of water, 3-7 parts of sodium hydroxides are well mixed and obtain pre-processing attapulgite;By weight by 8-12 parts of octenes
Base succinic anhydride, 60-100 part ethanol are mixed evenly, and pour into temperature in 55-65 DEG C of pretreatment gum arabic, to use
Sodium hydroxide regulation system pH value is 8-8.6, stirs 120-160min, uses hydrochloric acid regulation system pH value for 6-6.4, use ethanol
With water cyclic washing, by drying precipitate, crushing obtains attapulgite modified.
The present invention is made using conventional fabrication process.
The present invention it is attapulgite modified in, teos hydrolysis generation silica, with pretreatment concave convex rod stick
Loose micro-sphere structure is formed after soil effect, not only excellent adsorption, and it is high with gum arabic bond strength, simultaneously because internal
For interlaced open structure and pore passage structure, specific surface area is very big, and octenyl succinic acid anhydride is esterified with gum arabic
Reaction obtains ocentyl succinic Arabic gum ester so that the emulsifying property and entrapment properties of Arabic gum are greatly improved, simultaneously
Solubility is constant, good in oxidation resistance;It is attapulgite modified to match somebody with somebody with Chinese herb feed additive, probiotics preparation, lobster compound premix
Cooperation is used, and can not only promote lobster intestines peristalsis, can be effectively increased intestinal beneficial bacterial content, and the pathogenic bacterial content of reduction is effectively adjusted
Gut flora balance is saved, disease incident is reduced, the property of medicine and trophism can be had concurrently, bactericidal is good, can effectively adjust body
Immunity function, improves the growth performance of lobster, keeps microecological balance;Corn, Se-enriched yeast powder, sprouted unpolished rice, puffed peanut
The dregs of rice, yellow meal worm powder and rapeseed dregs, oatmeal, earthworm powder, Kelp Powder, sunflower seed dregs coordinate, and realize that energy is sought in a balanced way with albumen
The scheme of supporting, can effectively provide demand of the lobster to nutriment, energy is moderate with protein content.
The present invention is not only rich in Organic Selenium, and absorptivity is good, and can significantly improve selenium-rich content in lobster meat, feed battalion
General equilibrium is supported, raw material type enriches, and complies fully with the omnivorous characteristic of lobster, promotes lobster feed intake, promotes the growth of lobster
Rate of development, weightening is obvious, while with low cost.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of high lobster special feed of Se content proposed by the present invention, its raw material includes by weight:Se-enriched yeast powder
15 parts, 25 parts of sprouted unpolished rice, 20 parts of corn, 16 parts of oatmeal, 6 parts of sunflower seed dregs, 20 parts of yellow meal worm powder, the puffed peanut dregs of rice 15
Part, 7 parts of earthworm powder, 4 parts of rapeseed dregs, 8 parts of Kelp Powder, 0.3 part of stone flour, 1 part of probiotics preparation, 3 parts of Chinese herb feed additive is combined
10 parts of premix, attapulgite modified 6 parts.
Embodiment 2
A kind of high lobster special feed of Se content proposed by the present invention, its raw material includes by weight:Se-enriched yeast powder
25 parts, 15 parts of sprouted unpolished rice, 30 parts of corn, 8 parts of oatmeal, 14 parts of sunflower seed dregs, 10 parts of yellow meal worm powder, the puffed peanut dregs of rice 25
Part, 3 parts of earthworm powder, 10 parts of rapeseed dregs, 5 parts of Kelp Powder, 0.5 part of stone flour, 0.6 part of probiotics preparation, 7 parts of Chinese herb feed additive,
6 parts of compound premix, attapulgite modified 10 parts.
Compound premix includes by weight:1.5 parts of threonine, 1.2 parts of lysine, 1.5 parts of methionine, tryptophan 2.5
Part, 0.6 part of apple polyphenol, 2 parts of Tea Polyphenols, 4 parts of B B-complex, 8 parts of composite mineral matter, 10 parts of sepiolite powder, cornstarch
50 parts.
It is attapulgite modified to be prepared using following technique:Attapulgite clay is immersed in hydrochloric acid, ultrasonic vibration, suction filtration,
Washing is submerged in absolute ethyl alcohol, ultrasonic vibration to neutrality, and ammoniacal liquor, distilled water are added under stirring, and heating stirring is added just
Silester is stirred, suction filtration, washing, is dried, and addition gum arabic, water, sodium hydroxide are well mixed to obtain pretreatment bumps
Rod soil;Octenyl succinic acid anhydride, ethanol are mixed evenly, pours into pretreatment gum arabic, is adjusted using sodium hydroxide
Section system pH is 8-8.6, and stirring uses hydrochloric acid regulation system pH value for 6-6.4, with ethanol and water cyclic washing, will precipitated
Thing, which dry, pulverize, obtains attapulgite modified.
Embodiment 3
A kind of high lobster special feed of Se content proposed by the present invention, its raw material includes by weight:Se-enriched yeast powder
18 parts, 23 parts of sprouted unpolished rice, 22 parts of corn, 14 parts of oatmeal, 8 parts of sunflower seed dregs, 17 parts of yellow meal worm powder, the puffed peanut dregs of rice 18
Part, 6 parts of earthworm powder, 6 parts of rapeseed dregs, 7 parts of Kelp Powder, 0.35 part of stone flour, 0.9 part of probiotics preparation, 4 parts of Chinese herb feed additive,
9 parts of compound premix, attapulgite modified 7 parts.
Compound premix includes by weight:2.5 parts of threonine, 0.8 part of lysine, 2.5 parts of methionine, tryptophan 1.5
Part, 1.2 parts of apple polyphenol, 1 part of Tea Polyphenols, 8 parts of B B-complex, 4 parts of composite mineral matter, 20 parts of sepiolite powder, cornstarch
30 parts.
It is attapulgite modified to be prepared using following technique:15 parts of attapulgite clays are immersed in into concentration by weight is
In 2mol/L hydrochloric acid, 45 DEG C of ultrasonic vibration 18h, suction filtration, washing to neutrality is submerged in absolute ethyl alcohol, ultrasonic vibration 30min,
6 parts of ammoniacal liquor, 100 parts of distilled water are added under 800r/min mixing speeds, 65 DEG C of stirring 45min add 3 parts of tetraethyl orthosilicates and stirred
10h is mixed, suction filtration is washed, dried, add 8 parts of gum arabics, 100 parts of water, 6 parts of sodium hydroxides and be well mixed and pre-processed
Attapulgite;12 parts of octenyl succinic acid anhydrides, 60 parts of ethanol are mixed evenly by weight, it is 65 DEG C of pre- places to pour into temperature
Manage in gum arabic, use sodium hydroxide regulation system pH value for 8-8.6,120min is stirred, using hydrochloric acid regulation system pH
It is worth for 6-6.4, with ethanol and water cyclic washing, by drying precipitate, crushing obtains attapulgite modified.
Embodiment 4
A kind of high lobster special feed of Se content proposed by the present invention, its raw material includes by weight:Se-enriched yeast powder
22 parts, 17 parts of sprouted unpolished rice, 28 parts of corn, 10 parts of oatmeal, 12 parts of sunflower seed dregs, 13 parts of yellow meal worm powder, the puffed peanut dregs of rice 22
Part, 4 parts of earthworm powder, 8 parts of rapeseed dregs, 6 parts of Kelp Powder, 0.45 part of stone flour, 0.7 part of probiotics preparation, 6 parts of Chinese herb feed additive,
7 parts of compound premix, attapulgite modified 9 parts.
Compound premix includes by weight:1.8 parts of threonine, 1.1 parts of lysine, 1.8 parts of methionine, tryptophan 2.2
Part, 0.8 part of apple polyphenol, 1.8 parts of Tea Polyphenols, 5 parts of B B-complex, 7 parts of composite mineral matter, 12 parts of sepiolite powder, corn forms sediment
45 parts of powder.
It is attapulgite modified to be prepared using following technique:25 parts of attapulgite clays are immersed in into concentration by weight is
In 1.5mol/L hydrochloric acid, 55 DEG C of ultrasonic vibration 12h, suction filtration, washing to neutrality is submerged in absolute ethyl alcohol, ultrasonic vibration
60min, adds 10 parts of ammoniacal liquor, 60 parts of distilled water under 700r/min mixing speeds, and 75 DEG C of stirring 25min add 7 parts of positive silicic acid
Ethyl ester stirs 7h, and suction filtration is washed, dried, and adds 12 parts of gum arabics, 100 parts of water, 7 parts of sodium hydroxides and is well mixed and obtains
Pre-process attapulgite;8 parts of octenyl succinic acid anhydrides, 100 parts of ethanol are mixed evenly by weight, it is 55 to pour into temperature
DEG C pretreatment gum arabic in, use sodium hydroxide regulation system pH value for 8-8.6, stirring 160min, adjusted using hydrochloric acid
System pH is 6-6.4, and with ethanol and water cyclic washing, by drying precipitate, crushing obtains attapulgite modified.
Embodiment 5
A kind of high lobster special feed of Se content proposed by the present invention, its raw material includes by weight:Se-enriched yeast powder
20 parts, 20 parts of sprouted unpolished rice, 25 parts of corn, 12 parts of oatmeal, 10 parts of sunflower seed dregs, 15 parts of yellow meal worm powder, the puffed peanut dregs of rice 20
Part, 5 parts of earthworm powder, 7 parts of rapeseed dregs, 6.5 parts of Kelp Powder, 0.4 part of stone flour, 0.8 part of probiotics preparation, 5 parts of Chinese herb feed additive,
8 parts of compound premix, attapulgite modified 8 parts.
Compound premix includes by weight:2.2 parts of threonine, 0.9 part of lysine, 2.2 parts of methionine, tryptophan 1.8
Part, 1 part of apple polyphenol, 1.2 parts of Tea Polyphenols, 7 parts of B B-complex, 5 parts of composite mineral matter, 18 parts of sepiolite powder, cornstarch
35 parts.
It is attapulgite modified to be prepared using following technique:Attapulgite clay is immersed in hydrochloric acid, 50 DEG C of ultrasonic vibrations
In 15h, suction filtration, washing to neutrality, submergence absolute ethyl alcohol, ultrasonic vibration 45min adds ammonia under 750r/min mixing speeds
Water, distilled water, 70 DEG C are stirred 35min, add tetraethyl orthosilicate stirring 8.5h, and suction filtration is washed, dried, addition gum arabic,
Water, sodium hydroxide are well mixed to be obtained pre-processing attapulgite;Octenyl succinic acid anhydride, ethanol are mixed evenly, poured into
Temperature is 60 DEG C and pre-processed in gum arabics, uses sodium hydroxide regulation system pH value for 8-8.6, stirs 140min, uses
Hydrochloric acid regulation system pH value is 6-6.4, and with ethanol and water cyclic washing, by drying precipitate, crushing obtains attapulgite modified.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. the high lobster special feed of a kind of Se content, it is characterised in that its raw material includes by weight:Se-enriched yeast powder 15-
25 parts, 15-25 parts of sprouted unpolished rice, 20-30 parts of corn, 8-16 parts of oatmeal, 6-14 parts of sunflower seed dregs, 10-20 parts of yellow meal worm powder,
15-25 parts of the puffed peanut dregs of rice, 3-7 parts of earthworm powder, 4-10 parts of rapeseed dregs, 5-8 parts of Kelp Powder, 0.3-0.5 parts of stone flour, probiotics system
0.6-1 parts of agent, 3-7 parts of Chinese herb feed additive, 6-10 parts of compound premix is attapulgite modified 6-10 parts.
2. the high lobster special feed of Se content according to claim 1, it is characterised in that probiotics preparation, Chinese herbal medicine add
Plus agent, compound premix, attapulgite modified weight ratio be 0.7-0.9:4-6:7-9:7-9.
3. the high lobster special feed of Se content according to claim 1 or claim 2, it is characterised in that Se-enriched yeast powder, germination are rough
Rice, corn, oatmeal, sunflower seed dregs, yellow meal worm powder, the puffed peanut dregs of rice, earthworm powder, rapeseed dregs, the weight ratio of Kelp Powder are 18-
22:17-23:22-28:10-14:8-12:13-17:18-22:4-6:6-8:6-7.
4. according to the high lobster special feed of any one of the claim 1-3 Se contents, it is characterised in that compound premix is pressed
Parts by weight include:1.5-2.5 parts of threonine, 0.8-1.2 parts of lysine, 1.5-2.5 parts of methionine, 1.5-2.5 parts of tryptophan, apple
0.6-1.2 parts of fruit polyphenol, 1-2 parts of Tea Polyphenols, 4-8 parts of B B-complex, 4-8 parts of composite mineral matter, 10-20 parts of sepiolite powder,
30-50 parts of cornstarch.
5. according to the high lobster special feed of any one of the claim 1-4 Se contents, it is characterised in that attapulgite modified
Prepared using following technique:Attapulgite clay is immersed in hydrochloric acid, ultrasonic vibration, suction filtration, washing to neutrality submerges anhydrous second
In alcohol, ultrasonic vibration adds ammoniacal liquor, distilled water under stirring, and heating stirring adds tetraethyl orthosilicate stirring, and suction filtration is washed
Wash, dry, addition gum arabic, water, sodium hydroxide are well mixed to be obtained pre-processing attapulgite;By ocentyl succinic
Acid anhydride, ethanol are mixed evenly, and pour into pretreatment gum arabic, use sodium hydroxide regulation system pH value for 8-8.6, stir
Mix, use hydrochloric acid regulation system pH value for 6-6.4, with ethanol and water cyclic washing, by drying precipitate, crushing obtains being modified recessed
Convex rod soil.
6. according to the high lobster special feed of any one of the claim 1-5 Se contents, it is characterised in that attapulgite modified
Prepared using following technique:Attapulgite clay is immersed in hydrochloric acid, 45-55 DEG C of ultrasonic vibration 12-18h, suction filtration, washed into
Property, submerge in absolute ethyl alcohol, ultrasonic vibration 30-60min, ammoniacal liquor, distilled water added under 700-800r/min mixing speeds,
65-75 DEG C stirring 25-45min, add tetraethyl orthosilicate stirring 7-10h, suction filtration, wash, dry, add gum arabic, water,
Sodium hydroxide is well mixed to be obtained pre-processing attapulgite;Octenyl succinic acid anhydride, ethanol are mixed evenly, temperature is poured into
In 55-65 DEG C of pretreatment gum arabic, to use sodium hydroxide regulation system pH value for 8-8.6, stirring 120-160min, adopt
It is 6-6.4 with hydrochloric acid regulation system pH value, with ethanol and water cyclic washing, by drying precipitate, crushing obtains modified attapulgite
Soil.
7. according to the high lobster special feed of any one of the claim 1-6 Se contents, it is characterised in that attapulgite modified
Prepared using following technique:15-25 parts of attapulgite clays are immersed in the hydrochloric acid that concentration is 1.5-2mol/L by weight,
In 45-55 DEG C of ultrasonic vibration 12-18h, suction filtration, washing to neutrality, submergence absolute ethyl alcohol, ultrasonic vibration 30-60min, in 700-
6-10 parts of ammoniacal liquor, 60-100 parts of distilled water are added under 800r/min mixing speeds, 65-75 DEG C of stirring 25-45min adds 3-7 parts
Tetraethyl orthosilicate stirs 7-10h, and suction filtration is washed, dried, and adds 8-12 parts of gum arabics, 100-120 parts of water, 3-7 parts of hydrogen-oxygens
Change sodium is well mixed to be obtained pre-processing attapulgite;8-12 parts of octenyl succinic acid anhydrides, 60-100 parts of ethanol are mixed by weight
Conjunction stirs, and pours into temperature in 55-65 DEG C of pretreatment gum arabic, to use sodium hydroxide regulation system pH value for 8-
8.6,120-160min is stirred, uses hydrochloric acid regulation system pH value for 6-6.4, with ethanol and water cyclic washing, sediment is done
Dry, crushing obtains attapulgite modified.
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CN110402862A (en) * | 2019-08-28 | 2019-11-05 | 湖北省农业科学院农业经济技术研究所(湖北省农业科学院农业规划设计研究所) | One kind is rich in organic selenium cray feed and preparation method thereof and cultural method |
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