CN115487164A - Praziquantel pill capable of being thrown by unmanned aerial vehicle - Google Patents

Praziquantel pill capable of being thrown by unmanned aerial vehicle Download PDF

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Publication number
CN115487164A
CN115487164A CN202211144214.7A CN202211144214A CN115487164A CN 115487164 A CN115487164 A CN 115487164A CN 202211144214 A CN202211144214 A CN 202211144214A CN 115487164 A CN115487164 A CN 115487164A
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praziquantel
vitamin
pill
parts
unmanned aerial
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CN115487164B (en
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游锡火
黄思涵
伍卫平
胡燕
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Hubei Shizhen Health Research Co ltd
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Zhongnong Huawei Biopharmaceutical Hubei Co ltd
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Publication of CN115487164A publication Critical patent/CN115487164A/en
Priority to PCT/CN2023/110076 priority patent/WO2024060838A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/4985Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/28Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806Coating materials
    • A61K9/288Compounds of unknown constitution, e.g. material from plants or animals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/28Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2886Dragees; Coated pills or tablets, e.g. with film or compression coating having two or more different drug-free coatings; Tablets of the type inert core-drug layer-inactive layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00Antiparasitic agents
    • A61P33/10Anthelmintics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Botany (AREA)
  • Zoology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Fodder In General (AREA)

Abstract

The invention discloses a praziquantel pill capable of being thrown in by an unmanned aerial vehicle, and relates to the technical field of echinococcosis parasite repellent medicines, wherein the praziquantel pill capable of being thrown in by the unmanned aerial vehicle consists of praziquantel, and a bait layer and a waterproof layer which are sequentially wrapped outside the praziquantel from inside to outside, and the waterproof layer is also provided with air holes; the bait layer comprises nutritional components, a phagostimulant and a preservative. The praziquantel pill for unmanned aerial vehicle administration provided by the invention can be used for parasites infected by canine and feline intestinal tracts in villages and field environments, including echinococcus anthelmintica, and can improve the feeding, water resistance and usability of anthelmintic drugs and improve the survival time of the anthelmintic drugs before being eaten in the field environments. The praziquantel pill for unmanned aerial vehicle delivery provided by the invention can be used for delivery in field environment, can also be used for delivery in home environment, and does not comprise a waterproof layer when being delivered in home environment.

Description

Praziquantel pill for unmanned aerial vehicle
Technical Field
The invention relates to the technical field of echinococcosis parasite expelling medicines, in particular to a praziquantel pill for unmanned aerial vehicle administration.
Background
Echinococcosis, also known as echinococcosis, is a zoonosis caused by infection of human or animal body with echinococcus larvae. Echinococcus is often parasitic in the liver of the patient, resulting in abdominal pain and cysts. For patients already suffering from the disease, surgery is required to treat the disease.
Echinococcosis is mainly prevalent in western China, northern China and northwest pasturing areas and farming and pasturing areas, and the problems of high terminal host feces positive rate of wild echinococcus tenuis and severe field environmental pollution exist at present. The infection risk of people, dogs and other intermediate hosts is greatly increased by field infection sources.
The existing method for preventing echinococcosis is artificial administration. Due to wide field regions, complex geographical environment and severe natural conditions, the wild propagation hosts of echinococcus are numerous and widely distributed, and the problems of high difficulty, high cost, poor insect expelling effect and the like exist when the artificial dosing is used for expelling insects. At present, manual administration often adopts a mode of wrapping food as bait to induce wild animals to swallow actively. However, animals cannot swallow the bait immediately after administration, and the bait is easily washed by rainwater in the wild environment to cause the dissolution of the drug, thereby affecting the insect expelling effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a praziquantel pill for unmanned aerial vehicle delivery. Solves the problems that the existing echinococcosis field anthelmintic has limited waterproof function, is easy to be influenced by environmental factors to reduce the drug effect, and can not adapt to large-area field release.
The invention aims to protect a praziquantel pill capable of being thrown by an unmanned aerial vehicle, wherein the praziquantel pill capable of being thrown by the unmanned aerial vehicle consists of praziquantel, a bait layer and a waterproof layer, wherein the bait layer and the waterproof layer are sequentially wrapped outside the praziquantel from inside to outside; the bait layer consists of nutrient components, a phagostimulant and a preservative; the nutrient components comprise the following raw material components: corn flour, soybean meal, chicken meal, fishbone meal, salt and cod-liver oil; the nutrient components also comprise the following raw material components: vitamin A acetate, vitamin D3, vitamin E acetate, vitamin B1, vitamin B2, vitamin B3, calcium pantothenate, vitamin B6, vitamin B12, ferrous sulfate, copper sulfate, manganese sulfate, zinc sulfate, sodium selenite, and calcium iodate; the waterproof layer is one of wax, food-grade resin and food-grade anticorrosive nano-coating.
Preferably, the weight part ratio of the praziquantel to the bait layer to the waterproof layer is 10:85-81.2:5-8.8.
Preferably, the nutrient components comprise the following raw material components in parts by weight: 35-40 parts of corn flour, 10-20 parts of flour, 30-35 parts of soybean meal, 5-6 parts of chicken powder, 6-8 parts of fishbone powder, 1 part of salt and 1-2 parts of cod-liver oil.
Preferably, the nutrient composition also comprises the following raw material components in parts by weight: 10000IU/kg of vitamin A acetate, 3000IU/kg of vitamin D, 100IU/kg of vitamin E acetate, 15mg/kg of vitamin B, 5mg/kg of vitamin B, 50mg/kg of vitamin B, 30mg/kg of calcium pantothenate, 6mg/kg of vitamin B, 12.1 mg/kg of vitamin B, 250mg/kg of ferrous sulfate, 14mg/kg of copper sulfate, 60mg/kg of manganese sulfate, 60mg/kg of zinc sulfate, 0.15mg/kg of sodium selenite and 2mg/kg of calcium iodate.
Preferably, the preparation method of the phagostimulant comprises the following steps:
s1, adding distilled water into fresh meat, grinding the fresh meat into pulp, heating, adjusting the pH value, adding papain to carry out enzymolysis to obtain fresh meat enzymolysis liquid;
s2, adding xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant into the fresh meat enzymolysis liquid, adjusting the pH value again, heating, and carrying out Maillard reaction to obtain a Maillard reaction product;
s3, adding Arabic gum and maltodextrin into the Maillard reaction product to prepare a mixture, and performing spray drying to prepare the phagostimulant.
Further preferably, in step S1, the heating is performed to 45 ℃, and the PH is adjusted to 6.5; the weight part ratio of the fresh meat to the distilled water is 1:2.
more preferably, in step S2, the fresh meat enzymolysis liquid, xylose, L-cysteine hydrochloride, phosphoric acid, flavoring agent, and antioxidant are in a weight ratio of 100:4:1:1:5:0.05. in the step S2, the PH is adjusted again and the heating is carried out until the PH is adjusted to 5.0 and the temperature is 115 ℃, and the Maillard reaction time is 50min;
further preferably, in step S3, the concentration of the maillard reaction products in the mixture is 28-32%; the gum arabic and the maltodextrin are mixed according to the weight part ratio of 1:8.
preferably, the flavoring agent comprises one or more of disodium taste-imparting nucleotide and maltol; the antioxidant is 2, 6-di-tert-butyl-p-cresol; the preservative is one of sorbic acid and potassium sorbate.
Preferably, the number of the air holes is 4-8, and the diameter of the air holes is 1-2mm.
The invention has the beneficial effects that:
(1) The praziquantel pill for unmanned aerial vehicle administration provided by the invention is wrapped with the bait layer outside the praziquantel, so that special smell of the medicine can be shielded, and wild animals can be induced to swallow actively; the waterproof layer outside the bait layer can prevent the drug from being dissolved due to the fact that rainwater soaks the drug, and further can preserve the drug effect of the praziquantel; the air holes arranged on the waterproof layer can diffuse the bait smell and guide the canine or feline to eat.
(2) The praziquantel pill for unmanned aerial vehicle administration provided by the invention can be used for parasites infected by canine and feline intestinal tracts in villages and field environments, including echinococcus anthelmintica, and can improve the feeding, water resistance and usability of anthelmintic drugs and improve the survival time of the anthelmintic drugs before being eaten in the field environments.
(3) The praziquantel pill for unmanned aerial vehicle feeding provided by the invention is suitable for large-area feeding of unmanned aerial vehicles, can effectively cover the bad smell of praziquantel, and increases the feeding attraction effect on wild animals.
(4) The praziquantel pill for unmanned aerial vehicle delivery provided by the invention can be used for delivery in field environment, can also be used for delivery in home environment, and does not comprise a waterproof layer when being delivered in home environment.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of a praziquantel pill provided by the invention and applicable to unmanned aerial vehicle delivery;
in the attached figure, 1-praziquantel, 2-bait layer, 3-air vent and 4-waterproof layer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
The embodiment provides a praziquantel pill for unmanned aerial vehicle delivery, as shown in fig. 1, the praziquantel pill comprises praziquantel 1, and a bait layer 2 and a waterproof layer 4 which are sequentially wrapped outside the praziquantel 1 from inside to outside, wherein the waterproof layer 4 is also provided with an air hole 3; the bait layer 2 consists of nutrient components, a phagostimulant and a preservative; the waterproof layer 4 is wax.
The nutrient components comprise the following raw material components in parts by weight: 35 parts of corn flour, 10 parts of flour, 30 parts of soybean meal, 5 parts of chicken powder, 6 parts of fishbone powder, 1 part of salt and 1 part of cod-liver oil. The nutrient components also comprise the following raw material components in parts by weight: 10000IU/kg of vitamin A acetate, 3000IU/kg of vitamin D, 100IU/kg of vitamin E acetate, 15mg/kg of vitamin B, 5mg/kg of vitamin B, 50mg/kg of vitamin B, 30mg/kg of calcium pantothenate, 6mg/kg of vitamin B, 12.1 mg/kg of vitamin B, 250mg/kg of ferrous sulfate, 14mg/kg of copper sulfate, 60mg/kg of manganese sulfate, 60mg/kg of zinc sulfate, 0.15mg/kg of sodium selenite and 2mg/kg of calcium iodate.
Wherein, the weight portion ratio of the praziquantel 1 to the bait layer 2 to the waterproof layer 4 is 10:85:5.
the flavoring agent comprises disodium ribonucleotide;
the antioxidant is 2, 6-di-tert-butyl-p-cresol;
the preservative is sorbic acid.
The number of the air holes 3 is 8, and the diameter of the air holes 3 is 1mm.
The preparation method of the phagostimulant comprises the following steps:
s1, adding distilled water into fresh meat, grinding the fresh meat into pulp, heating, adjusting the pH value, adding papain to carry out enzymolysis to obtain fresh meat enzymolysis liquid;
s2, adding xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant into the fresh meat enzymolysis liquid, adjusting the pH value again, heating, and carrying out Maillard reaction to obtain a Maillard reaction product;
s3, adding Arabic gum and maltodextrin into the Maillard reaction product to prepare a mixture, and performing spray drying to prepare the phagostimulant.
In the step S1, heating is carried out until the temperature is 45 ℃, and the PH is adjusted to 6.5; the weight portion ratio of the fresh meat to the distilled water is 1:2.
in the step S2, the fresh meat enzymolysis liquid, xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant are mixed according to the following weight ratio of 100:4:1:1:5:0.05. adjusting pH again, heating to pH 5.0, heating to 115 deg.C, and Maillard reaction for 50min.
In step S3, the concentration of Maillard reaction products in the mixture is 28%; the gum arabic and the maltodextrin are mixed according to the weight part ratio of 1:8.
example 2
The embodiment provides a praziquantel pill for unmanned aerial vehicle delivery, as shown in fig. 1, the praziquantel pill comprises praziquantel 1, and a bait layer 2 and a waterproof layer 4 which are sequentially wrapped outside the praziquantel 1 from inside to outside, wherein the waterproof layer 4 is also provided with an air hole 3; the bait layer 2 consists of nutrient components, a phagostimulant and a preservative; the waterproof layer 4 is food-grade resin.
The nutrient components comprise the following raw material components in parts by weight: 35 parts of corn flour, 10 parts of flour, 30 parts of soybean meal, 5 parts of chicken powder, 6 parts of fishbone powder, 1 part of salt and 1 part of cod-liver oil. The nutrient components also comprise the following raw material components in parts by weight: 10000IU/kg of vitamin A acetate, 3000IU/kg of vitamin D, 100IU/kg of vitamin E acetate, 15mg/kg of vitamin B, 5mg/kg of vitamin B, 50mg/kg of vitamin B, 30mg/kg of calcium pantothenate, 6mg/kg of vitamin B, 12.1 mg/kg of vitamin B, 250mg/kg of ferrous sulfate, 14mg/kg of copper sulfate, 60mg/kg of manganese sulfate, 60mg/kg of zinc sulfate, 0.15mg/kg of sodium selenite and 2mg/kg of calcium iodate.
Wherein, the weight portion ratio of the praziquantel 1, the bait layer 2 and the waterproof layer 4 is 10:85:5.
the flavoring agent comprises disodium ribonucleotide;
the antioxidant is 2, 6-di-tert-butyl-p-cresol;
the preservative is sorbic acid.
The number of the air holes 3 is 8, and the diameter of the air holes 3 is 1mm.
The preparation method of the phagostimulant comprises the following steps:
s1, adding distilled water into fresh meat, grinding the fresh meat into pulp, heating, adjusting the pH value, adding papain to carry out enzymolysis to obtain fresh meat enzymolysis liquid;
s2, adding xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant into the fresh meat enzymatic hydrolysate, adjusting the pH value again, heating, and carrying out Maillard reaction to obtain a Maillard reaction product;
s3, adding Arabic gum and maltodextrin to the Maillard reaction product to prepare a mixture, and performing spray drying to prepare the phagostimulant.
In the step S1, heating is carried out until the temperature is 45 ℃, and the PH is adjusted to 6.5; the weight portion ratio of the fresh meat to the distilled water is 1:2.
in the step S2, the fresh meat enzymolysis liquid, xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant are mixed according to the following weight ratio of 100:4:1:1:5:0.05. adjusting pH again, heating to pH 5.0, heating to 115 deg.C, and Maillard reaction for 50min.
In step S3, the concentration of Maillard reaction products in the mixture is 30%; the gum arabic and the maltodextrin are mixed according to the weight part ratio of 1:8.
example 3
The embodiment provides a praziquantel pill which can be thrown in by an unmanned aerial vehicle, as shown in fig. 1, the praziquantel pill consists of praziquantel 1, and a bait layer 2 and a waterproof layer 4 which are sequentially wrapped outside the praziquantel 1 from inside to outside, and the waterproof layer 4 is also provided with an air hole 3; the bait layer 2 consists of nutrient components, a phagostimulant and a preservative; the waterproof layer 4 is food-grade anticorrosive nano-paint.
The nutrient components comprise the following raw material components in parts by weight: 35 parts of corn flour, 10 parts of flour, 30 parts of soybean meal, 5 parts of chicken meal, 6 parts of fishbone meal, 1 part of salt and 1 part of cod-liver oil. The nutrient components also comprise the following raw material components in parts by weight: 10000IU/kg of vitamin A acetate, 3000IU/kg of vitamin D, 100IU/kg of vitamin E acetate, 15mg/kg of vitamin B, 5mg/kg of vitamin B, 50mg/kg of vitamin B, 30mg/kg of calcium pantothenate, 6mg/kg of vitamin B, 12.1 mg/kg of vitamin B, 250mg/kg of ferrous sulfate, 14mg/kg of copper sulfate, 60mg/kg of manganese sulfate, 60mg/kg of zinc sulfate, 0.15mg/kg of sodium selenite and 2mg/kg of calcium iodate.
Wherein, the weight portion ratio of the praziquantel 1 to the bait layer 2 to the waterproof layer 4 is 10:85:5.
the flavoring agent comprises disodium ribonucleotide;
the antioxidant is 2, 6-di-tert-butyl-p-cresol;
the preservative is sorbic acid.
The number of the air holes 3 is 8, and the diameter of the air holes 3 is 1mm.
The preparation method of the phagostimulant comprises the following steps:
s1, adding distilled water into fresh meat, grinding the fresh meat into pulp, heating, adjusting the pH value, adding papain to carry out enzymolysis to obtain fresh meat enzymolysis liquid;
s2, adding xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant into the fresh meat enzymolysis liquid, adjusting the pH value again, heating, and carrying out Maillard reaction to obtain a Maillard reaction product;
s3, adding Arabic gum and maltodextrin into the Maillard reaction product to prepare a mixture, and performing spray drying to prepare the phagostimulant.
In the step S1, heating is carried out until the temperature is 45 ℃, and the PH is adjusted to 6.5; the weight portion ratio of the fresh meat to the distilled water is 1:2.
in the step S2, the fresh meat enzymolysis liquid, xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant are mixed according to the following weight ratio of 100:4:1:1:5:0.05. adjusting pH again, heating to pH 5.0, heating to 115 deg.C, and Maillard reaction for 50min.
In step S3, the concentration of Maillard reaction products in the mixture is 32%; the gum arabic and the maltodextrin are mixed according to the weight part ratio of 1:8.
finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.

Claims (10)

1. A praziquantel pill that can be used for unmanned aerial vehicle to throw, its characterized in that: the praziquantel pill for the unmanned aerial vehicle to throw in consists of praziquantel, a bait layer and a waterproof layer, wherein the bait layer and the waterproof layer are sequentially wrapped outside the praziquantel from inside to outside; the bait layer consists of nutrient components, a phagostimulant and a preservative; the nutrient components comprise the following raw material components: corn flour, soybean meal, chicken meal, fishbone meal, salt and cod-liver oil; the nutrient components also comprise the following raw material components: vitamin A acetate, vitamin D3, vitamin E acetate, vitamin B1, vitamin B2, vitamin B3, calcium pantothenate, vitamin B6, vitamin B12, ferrous sulfate, copper sulfate, manganese sulfate, zinc sulfate, sodium selenite, and calcium iodate; the waterproof layer is one of wax, food-grade resin and food-grade anticorrosive nano-coating.
2. The praziquantel pill useful for drone delivery according to claim 1, wherein: the weight part ratio of the praziquantel to the bait layer to the waterproof layer is 10:85-81.2:5-8.8.
3. A praziquantel pellet for drone delivery according to claim 1, wherein: the nutrient components comprise the following raw material components in parts by weight: 35-40 parts of corn flour, 10-20 parts of flour, 30-35 parts of soybean meal, 5-6 parts of chicken powder, 6-8 parts of fishbone powder, 1 part of salt and 1-2 parts of cod-liver oil.
4. A praziquantel pellet for drone delivery according to claim 1, wherein: the nutrient components also comprise the following raw material components in parts by weight: 10000IU/kg of vitamin A acetate, 33000 IU/kg of vitamin D, 100IU/kg of vitamin E acetate, 115 mg/kg of vitamin B, 25 mg/kg of vitamin B, 350 mg/kg of vitamin B, 30mg/kg of calcium pantothenate, 66 mg/kg of vitamin B, 120.1 mg/kg of vitamin B, 250mg/kg of ferrous sulfate, 14mg/kg of copper sulfate, 60mg/kg of manganese sulfate, 60mg/kg of zinc sulfate, 0.15mg/kg of sodium selenite and 2mg/kg of calcium iodate.
5. The praziquantel pill useful for drone delivery according to claim 1, wherein: the preparation method of the phagostimulant comprises the following steps:
s1, adding distilled water into fresh meat, grinding the fresh meat into pulp, heating, adjusting the pH value, adding papain to carry out enzymolysis to obtain fresh meat enzymolysis liquid;
s2, adding xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant into the fresh meat enzymolysis liquid, adjusting the pH value again, heating, and carrying out Maillard reaction to obtain a Maillard reaction product;
s3, adding Arabic gum and maltodextrin into the Maillard reaction product to prepare a mixture, and performing spray drying to prepare the phagostimulant.
6. The praziquantel pill useful for drone delivery of claim 5, wherein: in the step S1, the heating is carried out to 45 ℃, and the PH is adjusted to 6.5; the weight part ratio of the fresh meat to the distilled water is 1:2.
7. the praziquantel pill useful for drone delivery of claim 5, wherein: in the step S2, the fresh meat enzymolysis liquid, xylose, L-cysteine hydrochloride, phosphoric acid, a flavoring agent and an antioxidant are mixed according to the following weight part ratio of 100:4:1:1:5:0.05; in step S2, the PH is adjusted again and heated to 5.0 and 115 ℃, and the Maillard reaction is carried out for 50min.
8. The praziquantel pill useful for drone delivery of claim 5, wherein: in the step S3, the concentration of Maillard reaction products in the mixture is 28-32%; the gum arabic and the maltodextrin are prepared from the following raw materials in parts by weight: 8.
9. the praziquantel pill useful for drone delivery according to claim 1, wherein: the flavoring agent comprises one or more of flavour nucleotide disodium and maltol; the antioxidant is 2, 6-di-tert-butyl-p-cresol; the preservative is one of sorbic acid and potassium sorbate.
10. The praziquantel pill useful for drone delivery according to claim 1, wherein: the number of the air holes is 4-8, and the diameter of the air holes is 1-2mm.
CN202211144214.7A 2022-09-20 2022-09-20 Praziquantel pill capable of being put in unmanned aerial vehicle Active CN115487164B (en)

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PCT/CN2023/110076 WO2024060838A1 (en) 2022-09-20 2023-07-31 Praziquantel pill suitable for distribution by unmanned aerial vehicles

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024060838A1 (en) * 2022-09-20 2024-03-28 中农华威生物制药(湖北)有限公司 Praziquantel pill suitable for distribution by unmanned aerial vehicles

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