CN112825979A - Zero-starch cynoglossus semilaevis microcapsule initial feed and preparation method thereof - Google Patents
Zero-starch cynoglossus semilaevis microcapsule initial feed and preparation method thereof Download PDFInfo
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- 239000003094 microcapsule Substances 0.000 title claims abstract description 83
- 241001014350 Cynoglossus semilaevis Species 0.000 title claims abstract description 49
- 229920002472 Starch Polymers 0.000 title claims abstract description 26
- 239000008107 starch Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 235000018102 proteins Nutrition 0.000 claims abstract description 24
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 24
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 24
- 235000019483 Peanut oil Nutrition 0.000 claims abstract description 16
- 239000002285 corn oil Substances 0.000 claims abstract description 16
- 235000005687 corn oil Nutrition 0.000 claims abstract description 16
- 235000021323 fish oil Nutrition 0.000 claims abstract description 16
- 239000000312 peanut oil Substances 0.000 claims abstract description 16
- 241000709785 Hermetia illucens Species 0.000 claims abstract description 15
- 235000019733 Fish meal Nutrition 0.000 claims abstract description 14
- 241000237502 Ostreidae Species 0.000 claims abstract description 14
- 108010046377 Whey Proteins Proteins 0.000 claims abstract description 14
- 102000007544 Whey Proteins Human genes 0.000 claims abstract description 14
- 210000000601 blood cell Anatomy 0.000 claims abstract description 14
- -1 compound vitamin Chemical class 0.000 claims abstract description 14
- 239000004467 fishmeal Substances 0.000 claims abstract description 14
- 235000020636 oyster Nutrition 0.000 claims abstract description 14
- 235000021119 whey protein Nutrition 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 12
- 239000011707 mineral Substances 0.000 claims abstract description 12
- 235000013343 vitamin Nutrition 0.000 claims abstract description 12
- 229940088594 vitamin Drugs 0.000 claims abstract description 12
- 229930003231 vitamin Natural products 0.000 claims abstract description 12
- 239000011782 vitamin Substances 0.000 claims abstract description 12
- 238000001694 spray drying Methods 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 19
- 239000007858 starting material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 19
- 235000016709 nutrition Nutrition 0.000 abstract description 6
- 230000035764 nutrition Effects 0.000 abstract description 6
- 102000008186 Collagen Human genes 0.000 abstract description 4
- 108010035532 Collagen Proteins 0.000 abstract description 4
- 229920001436 collagen Polymers 0.000 abstract description 4
- 235000013305 food Nutrition 0.000 abstract description 4
- 235000019698 starch Nutrition 0.000 abstract description 4
- 108010010803 Gelatin Proteins 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 abstract description 3
- 229920000159 gelatin Polymers 0.000 abstract description 3
- 239000008273 gelatin Substances 0.000 abstract description 3
- 235000019322 gelatine Nutrition 0.000 abstract description 3
- 235000011852 gelatine desserts Nutrition 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 9
- 241001527050 Cynoglossus Species 0.000 description 8
- 238000005469 granulation Methods 0.000 description 7
- 230000003179 granulation Effects 0.000 description 7
- 241000251468 Actinopterygii Species 0.000 description 6
- 230000001804 emulsifying effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 241001595453 Symphurus nigrescens Species 0.000 description 4
- 238000010951 particle size reduction Methods 0.000 description 3
- 108010060231 Insect Proteins Proteins 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000727626 Cynoglossus robustus Species 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013345 egg yolk Nutrition 0.000 description 1
- 210000002969 egg yolk Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/158—Fatty acids; Fats; Products containing oils or fats
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Marine Sciences & Fisheries (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Physiology (AREA)
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Abstract
The invention discloses a zero-starch cynoglossus semilaevis microcapsule initial feed and a preparation method thereof. The bait raw materials comprise the following raw materials in percentage by mass: 85-95% of protein source raw material, 4-14% of fat source raw material, 0.5-1% of compound vitamin and 0.5-1% of compound mineral; the protein source raw material comprises fish meal, oyster powder, whey protein powder, blood cell protein powder and black soldier fly larva powder, and the fat source raw material comprises fish oil, peanut oil and corn oil. The invention does not use any wall material (such as starch or gelatin, etc.), and other raw materials are wrapped by collagen colloid in the feed raw materials to form microcapsule granules. Moreover, the obtained opening material is rich in nutrition and good in food calling property, and cannot generate feed waste to pollute water and environment.
Description
The technical field is as follows:
the invention relates to the field of aquatic feeds, in particular to an aquatic opening feed, and more particularly relates to a zero-starch cynoglossus semilaevis microcapsule opening feed and a preparation method thereof.
Background art:
cynoglossus semilaevis (Cynoglossus robustus (Gunther, 1873)) is a fish of the genus Cynoglossus of the family Cynoglossus. The cynoglossus gunther is one of the rare and economic fishes in the ocean, each hundred grams of cynoglossus gunther contains 13.7 grams of protein and 1.2 grams of fat, the meat quality is fine and smooth, the fish caught in flood in summer is the most fat and beautiful, and the fish is fresh but fat but not greasy. The stewed tongue sole fish is one of famous dishes, and can be processed into a salty dry product besides a fresh food. For the cultivation of the cynoglossus sole, as the male individual grows slowly and has high proportion, the quality of commercial fish is influenced, the cultivation yield of the cynoglossus sole is reduced, the cultivation cost is increased, the popularization of cynoglossus sole seedlings is influenced, and the development of the cynoglossus sole cultivation industry is limited.
The starter is a bait eaten by animal seedlings when the animal seedlings eat for the first time, in the aquaculture industry at present, the starter at the half-smooth tongue sole stage is generally a bait of egg yolk, soybean milk, microalgae and the like, and because the bait has poor water resistance in water and can be quickly diffused after being put into the water, most of the bait can not be caught by the half-smooth tongue sole, so that the bait has low utilization rate and large nutrient loss, the bait is not complete in nutrition, the growth speed of the half-smooth tongue sole is influenced, and the aim of fast growth and high yield can not be achieved; meanwhile, as the components of the bait are basically organic matters, the lost bait easily pollutes the water quality and deteriorates the water body culture environment. Therefore, a commercial cynoglossus semilaevis opening material with comprehensive nutrition and environmental protection is urgently needed for the breeding industry.
The invention content is as follows:
in order to overcome the defects of the prior art, the invention provides a cynoglossus semilaevis microcapsule opening material without starch and a preparation method thereof, and the method does not use any wall material (such as starch or gelatin and the like), and other raw materials are wrapped by collagen colloid in feed raw materials to form microcapsule particles. Moreover, the obtained opening material is rich in nutrition and good in food calling property, and cannot generate feed waste to pollute water and environment.
In order to solve the technical problems, the invention adopts the technical scheme that:
a zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 85-95% of protein source raw material, 4-14% of fat source raw material, 0.5-1% of compound vitamin and 0.5-1% of compound mineral; the protein source raw material comprises fish meal, oyster powder, whey protein powder, blood cell protein powder and black soldier fly larva powder, and the fat source raw material comprises fish oil, peanut oil and corn oil.
The insect protein source raw materials are not recommended to be added into the general edible fish initial feed, because the conventional insect protein source raw materials can influence the taste of the initial feed, however, the black soldier fly larva powder can not influence the taste of the cynoglossus semilaevis, and the initial ratio is good.
If the amount of the protein source material is not at least 75%, the collagen content of the protein source material itself is insufficient, and the other materials cannot be coated to form microcapsule granules, and thus granulation cannot be successful. However, the requirement of the cynoglossus semilaevis fry opening on nutrition must be considered during granulation, so the dosage of the protein source raw material and the fat source raw material must be determined comprehensively.
Preferably, the protein source material is 90% and the fat source material is 9%.
Preferably, the fish meal: oyster powder: whey protein powder: blood cell protein powder: the mass ratio of the black soldier fly larva powder is 8.5-18: 18-30: 18-30: 8.5-18: 10 to 19.
Preferably, the fish oil accounts for 1-4% of the mass of the raw material of the cynoglossus semilaevis microcapsule initial feed, the peanut oil accounts for 2-6% of the mass of the raw material of the cynoglossus semilaevis microcapsule initial feed, and the corn oil accounts for 1-4% of the mass of the raw material of the cynoglossus semilaevis microcapsule initial feed.
More preferably, the fish oil accounts for 2% of the mass of the raw material of the cynoglossus semilaevis microcapsule opening bait, the peanut oil accounts for 5% of the mass of the raw material of the cynoglossus semilaevis microcapsule opening bait, and the corn oil accounts for 2% of the mass of the raw material of the cynoglossus semilaevis microcapsule opening bait.
The second purpose of the invention is a preparation method of the zero-starch cynoglossus semilaevis microcapsule initial feed, which comprises the steps of adding water into each raw material of the cynoglossus semilaevis microcapsule initial feed, uniformly mixing, emulsifying, and then placing into a spray drying tower for spray drying, wherein the air inlet temperature is 185-210 ℃, the air outlet temperature is 75-90 ℃, and the microcapsule with the particle size of 0.1-0.5 micron is obtained.
Compared with the prior art, the invention has the beneficial effects that:
the invention does not use any wall material (such as starch or gelatin, etc.), and other raw materials are wrapped by collagen colloid in the feed raw materials to form microcapsule granules. Moreover, the obtained opening material is rich in nutrition and good in food calling property, and cannot generate feed waste to pollute water and environment.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustration only and are not intended to limit the scope of the present invention. The test methods used in the following examples are all conventional methods unless otherwise specified; the materials, reagents and the like used are, unless otherwise specified, commercially available reagents and materials.
Example 1
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 8.5 percent of fish meal, 25.5 percent of oyster powder, 25.5 percent of whey protein powder, 8.5 percent of blood cell albumen powder, 17 percent of black soldier fly larva powder (dried), 4 percent of fish oil, 6 percent of peanut oil, 4 percent of corn oil, 0.5 percent of compound vitamin and 0.5 percent of compound mineral substance.
The preparation method of the cynoglossus semilaevis microcapsule initial feed is granulation by a spray drying method. The method for granulating by a spray drying method comprises the following steps: adding water into all raw materials of the cynoglossus semilaevis microcapsule initial feed, uniformly mixing, wherein the water addition amount is 10% of the total mass of the raw materials, emulsifying, and then placing into a spray drying tower for spray drying, wherein the air inlet temperature is controlled to be 210 ℃, the air outlet temperature is controlled to be 90 ℃, so that microcapsules with the particle size of 0.1 micron are obtained, and the microcapsule forming rate is 90%.
Example 2
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 9 percent of fish meal, 27 percent of oyster powder, 27 percent of whey protein powder, 9 percent of blood cell protein powder, 18 percent of hermetia illucens larva powder, 2 percent of fish oil, 5 percent of peanut oil, 2 percent of corn oil, 0.5 percent of compound vitamin and 0.5 percent of compound mineral.
The preparation method of the cynoglossus semilaevis microcapsule initial feed is granulation by a spray drying method. The method for granulating by a spray drying method comprises the following steps: adding water into all raw materials of the cynoglossus semilaevis microcapsule initial feed, uniformly mixing, wherein the water addition amount is 15% of the total mass of the raw materials, emulsifying, and then placing into a spray drying tower for spray drying, wherein the air inlet temperature is controlled to be 200 ℃, the air outlet temperature is controlled to be 75 ℃, so that microcapsules with the particle size of 0.5 micron are obtained, and the microcapsule forming rate is 96%.
Example 3
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 9.5 percent of fish meal, 28.5 percent of oyster powder, 28.5 percent of whey protein powder, 9.5 percent of blood cell albumen powder, 19 percent of black soldier fly larva powder, 1 percent of fish oil, 2 percent of peanut oil, 1 percent of corn oil, 0.5 percent of compound vitamin and 0.5 percent of compound mineral substance.
The preparation method of the cynoglossus semilaevis microcapsule initial feed is granulation by a spray drying method. The method for granulating by a spray drying method comprises the following steps: adding water into all raw materials of the cynoglossus semilaevis microcapsule initial feed, uniformly mixing, wherein the water addition amount is 20% of the total mass of the raw materials, emulsifying, and then placing into a spray drying tower for spray drying, wherein the air inlet temperature is controlled to be 195 ℃, the air outlet temperature is controlled to be 80 ℃, so that microcapsules with the particle size of 0.4 micron are obtained, and the microcapsule forming rate is 92%.
Example 4
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 18% of fish meal, 18% of oyster powder, 18% of whey protein powder, 18% of blood cell protein powder, 18% of hermetia illucens larva powder, 2% of fish oil, 4% of peanut oil, 2% of corn oil, 1% of compound vitamin and 1% of compound mineral.
The preparation method of the cynoglossus semilaevis microcapsule initial feed is granulation by a spray drying method. The method for granulating by a spray drying method comprises the following steps: adding water into all raw materials of the cynoglossus semilaevis microcapsule initial feed, uniformly mixing, wherein the water addition amount is 15% of the total mass of the raw materials, emulsifying, and then placing into a spray drying tower for spray drying, wherein the air inlet temperature is controlled to be 190 ℃, the air outlet temperature is controlled to be 85 ℃, so that microcapsules with the particle size of 0.3 micron are obtained, and the microcapsule forming rate is 92%.
Example 5
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 10% of fish meal, 30% of oyster powder, 30% of whey protein powder, 10% of blood cell protein powder, 10% of black soldier fly larva powder, 2% of fish oil, 5% of peanut oil, 2% of corn oil, 0.5% of compound vitamin and 0.5% of compound mineral.
The preparation method of the cynoglossus semilaevis microcapsule initial feed is granulation by a spray drying method. The method for granulating by a spray drying method comprises the following steps: adding water into all raw materials of the cynoglossus semilaevis microcapsule initial feed, uniformly mixing, wherein the water addition amount is 15% of the total mass of the raw materials, emulsifying, and then placing into a spray drying tower for spray drying, wherein the air inlet temperature is 185 ℃ and the air outlet temperature is 85 ℃ to obtain microcapsules with the particle size of 0.1 micron, and the microcapsule forming rate is 95%.
Comparative example 1
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 8% of fish meal, 24% of oyster powder, 24% of whey protein powder, 8% of blood cell protein powder, 16% of hermetia illucens larva powder, 5% of fish oil, 9% of peanut oil, 5% of corn oil, 0.5% of compound vitamin and 0.5% of compound mineral.
The preparation method of the microcapsule opening material is the same as that of example 2, and the microcapsule with the particle size of 0.5 micron is obtained, and the microcapsule forming rate is 79%.
Comparative example 2 (oyster powder removed)
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 36% of fish meal, 27% of whey protein powder, 9% of blood cell protein powder, 18% of black soldier fly larva powder, 2% of fish oil, 5% of peanut oil, 2% of corn oil, 0.5% of compound vitamin and 0.5% of compound mineral.
The preparation method of the microcapsule opening material is the same as that of example 2, and the microcapsule with the grain diameter of 0.3 micron is obtained, and the microcapsule forming rate is 90%.
Comparative example 3 (removing Hermetia illucens larva powder)
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 27 percent of fish meal, 27 percent of oyster powder, 27 percent of whey protein powder, 9 percent of blood cell protein powder, 2 percent of fish oil, 5 percent of peanut oil, 2 percent of corn oil, 0.5 percent of compound vitamin and 0.5 percent of compound mineral.
The preparation method of the microcapsule opening material is the same as that of example 2, and the microcapsule with the particle size of 0.2 micron is obtained, and the microcapsule forming rate is 80%.
COMPARATIVE EXAMPLE 4 (peanut oil to soybean oil)
A zero-starch cynoglossus semilaevis microcapsule initial feed is composed of the following raw materials in percentage by mass: 9 percent of fish meal, 27 percent of oyster powder, 27 percent of whey protein powder, 9 percent of blood cell protein powder, 18 percent of black soldier fly larva powder, 2 percent of fish oil, 5 percent of soybean oil, 2 percent of corn oil, 0.5 percent of compound vitamin and 0.5 percent of compound mineral.
The preparation method of the microcapsule opening material is the same as that of example 2, and the microcapsule with the particle size of 0.5 micron is obtained, and the microcapsule forming rate is 96%.
Application example 1
The microcapsule feed prepared by the invention is tested for the opening ratio and the foam resistance of the microcapsule in water (the foam resistance of the microcapsule in water is measured by the particle size reduction rate of the microcapsule in water) according to the conventional determination method in the field.
The method for measuring the particle size reduction rate of the microcapsules in water is as follows: 0.1g of the microcapsules was added to a 1L beaker containing 500mL of water and stirred at room temperature to disperse the microcapsules uniformly. After soaking for 3 hours, the particle size is measured by a laser particle size distribution instrument, each sample is measured for three times, and the average value is the average particle size at the moment. Particle size reduction ratio (%) - (D)0-D3)/D0X 100; in the formula, D0Denotes the initial average particle diameter, D, of the microcapsule particles3The average particle size of the microcapsule particles after 3 hours of immersion in water is shown.
Table 1 shows the property test of the microcapsules prepared in each example and comparative example
| Item | Opening ratio (%) | Particle diameter reduction ratio (%) |
| Example 1 | 82.2 | 12.1 |
| Example 2 | 92.5 | 8.5 |
| Example 3 | 86.5 | 14.6 |
| Example 4 | 85.8 | 26.9 |
| Example 5 | 90.7 | 10.0 |
| Comparative example 1 | 78.1 | 23.2 |
| Comparative example 2 | 85.3 | 21.2 |
| Comparative example 3 | 83.2 | 19.3 |
| Comparative example 4 | 86.6 | 15.8 |
The above examples are only for explaining the present invention and are not intended to limit the scope of the present invention.
Claims (6)
1. The zero-starch cynoglossus semilaevis microcapsule initial feed is characterized by comprising the following raw materials in percentage by mass: 85-95% of protein source raw material, 4-14% of fat source raw material, 0.5-1% of compound vitamin and 0.5-1% of compound mineral; the protein source raw material comprises fish meal, oyster powder, whey protein powder, blood cell protein powder and black soldier fly larva powder, and the fat source raw material comprises fish oil, peanut oil and corn oil.
2. The zero-starch cynoglossus semilaevis microcapsule starter feed according to claim 1, wherein the protein source raw material is 90% and the fat source raw material is 9%.
3. The zero-starch cynoglossus semilaevis microcapsule starter feed according to claim 1, wherein the fish meal: oyster powder: whey protein powder: blood cell protein powder: the mass ratio of the black soldier fly larva powder is 8.5-18: 18-30: 18-30: 8.5-18: 10 to 19.
4. The zero-starch cynoglossus semilaevis microcapsule starter feed according to claim 1, wherein the fish oil accounts for 1-4% of the mass of the raw material of the cynoglossus semilaevis microcapsule starter, the peanut oil accounts for 2-6% of the mass of the raw material of the cynoglossus semilaevis microcapsule starter, and the corn oil accounts for 1-4% of the mass of the raw material.
5. The zero-starch cynoglossus semilaevis microcapsule starter feed according to claim 4, wherein the fish oil accounts for 2% of the mass of the cynoglossus semilaevis microcapsule starter feed raw material, the peanut oil accounts for 5% of the mass of the cynoglossus semilaevis microcapsule starter feed raw material, and the corn oil accounts for 2% of the mass of the cynoglossus semilaevis microcapsule starter feed raw material.
6. A preparation method of the zero-starch cynoglossus semilaevis microcapsule initial feed according to claim 1, 2, 3, 4 or 5, is characterized in that the raw materials of the zero-starch cynoglossus semilaevis microcapsule initial feed are added with water and uniformly mixed, then emulsified and then placed into a spray drying tower for spray drying, and the inlet air temperature is controlled to be 185-210 ℃ and the outlet air temperature is controlled to be 75-90 ℃ to obtain microcapsules with the particle size of 0.1-0.5 microns.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1714669A (en) * | 2005-08-01 | 2006-01-04 | 海阳市黄海水产有限公司 | Coated micro particle feed for fry of Cynoglossus semilaevis Gunther and its preparing method |
| CN1729833A (en) * | 2005-08-09 | 2006-02-08 | 中国海洋大学 | Artificial micro-particle addictive for cynoglossus semilaevis young fry |
| CN107518210A (en) * | 2017-07-21 | 2017-12-29 | 广东越群海洋生物研究开发有限公司 | A kind of preparation method of the shrimp seedling microcapsules opening material of zero starch |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1714669A (en) * | 2005-08-01 | 2006-01-04 | 海阳市黄海水产有限公司 | Coated micro particle feed for fry of Cynoglossus semilaevis Gunther and its preparing method |
| CN1729833A (en) * | 2005-08-09 | 2006-02-08 | 中国海洋大学 | Artificial micro-particle addictive for cynoglossus semilaevis young fry |
| CN107518210A (en) * | 2017-07-21 | 2017-12-29 | 广东越群海洋生物研究开发有限公司 | A kind of preparation method of the shrimp seedling microcapsules opening material of zero starch |
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