CN109260208A - A kind of Altrenogest preparation for animals and preparation method thereof - Google Patents

A kind of Altrenogest preparation for animals and preparation method thereof Download PDF

Info

Publication number
CN109260208A
CN109260208A CN201811000231.7A CN201811000231A CN109260208A CN 109260208 A CN109260208 A CN 109260208A CN 201811000231 A CN201811000231 A CN 201811000231A CN 109260208 A CN109260208 A CN 109260208A
Authority
CN
China
Prior art keywords
altrenogest
preparation
finish
animals
added
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811000231.7A
Other languages
Chinese (zh)
Other versions
CN109260208B (en
Inventor
包汝泼
崔贞亮
邵梦瑜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Sansheng Biotechnology Co.,Ltd.
Original Assignee
Ningbo Sansheng Biological Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Sansheng Biological Technology Co Ltd filed Critical Ningbo Sansheng Biological Technology Co Ltd
Priority to CN201811000231.7A priority Critical patent/CN109260208B/en
Publication of CN109260208A publication Critical patent/CN109260208A/en
Application granted granted Critical
Publication of CN109260208B publication Critical patent/CN109260208B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/56Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/565Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
    • A61K31/567Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol substituted in position 17 alpha, e.g. mestranol, norethandrolone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/12Carboxylic acids; Salts or anhydrides thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/22Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00Drugs for genital or sexual disorders; Contraceptives
    • A61P15/08Drugs for genital or sexual disorders; Contraceptives for gonadal disorders or for enhancing fertility, e.g. inducers of ovulation or of spermatogenesis

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Reproductive Health (AREA)
  • Pregnancy & Childbirth (AREA)
  • Gynecology & Obstetrics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Endocrinology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The present invention relates to a kind of Altrenogest preparations for animals and preparation method thereof, belong to veterinary drug technical field.Altrenogest preparation for animals of the invention is by including that the raw material of following mass percent is made, 0.3~0.5% Altrenogest, 0.9~1.1% benzyl alcohol, 0.012~0.016% antioxidant, 0.06~0.38% beta carotene, 0.07~0.25% omega-fatty acid.Altrenogest preparation good absorption effect of the invention, bioavilability are high, formulation disperses effect is good.

Description

A kind of Altrenogest preparation for animals and preparation method thereof
Technical field
The invention belongs to veterinary drug technical field, it is related to a kind of Altrenogest preparation for animals and preparation method thereof.
Background technique
Altrenogest is a kind of 21 carbon steroid progestational hormone of triolefin of synthesis, belongs to 19- demethyl-stosterone, is a kind of Oral active progestational hormone.As all steroids, Altrenogest fat-soluble can be infiltrated through in target cell so by itself It plays a role in conjunction with special receptor afterwards, inhibits the release of promoting sexual gland hormone to be similar to the binding mode of Natural progesterone. Altrenogest makes ovarian follicle (> 20~25 millis increased by inhibiting the concentration of endogenous promoting sexual gland hormone LH and FSH in blood Rice) it shrinks back, and then block heat and ovulation.Followed by it will appear after all increase ovarian follicles are shunk back in the rear half stage of medication The peak of one FSH secretion, this will starting new round ovarian follicular growth and maturation.Phase meeting follower LH secretion has rule after the treatment The increase of rule promotes the growth and maturation of ovarian follicle.This endocrine effect can be such that treated young dam enters after drug withdrawal Heat, therefore Altrenogest can be used for domestic animal synchronization of Estrus.Estrus synchronization can be such that domestic animal delivery time concentrates, convenient for concentrating Feeding concentrates wean, all-in and all-out, the same period to enter next breeding cycle, effectively improves the breeding potential of domestic animal, reduces cause of disease Propagation, carry out stringent epidemic prevention system and guarantee Biosecurity system, be conducive to scale management.
It there is no Altrenogest preparation in China's veterinary markets at present, European EMA and U.S. FDA approved Altrenogest Synchronization of estrus for induction of mare and sow.Since Altrenogest has oil-soluble, have in the prior art Altrenogest is molten The precedent of oil-type oral medicine is made in vegetable oil, however this department finds in the research and preparation process to Altrenogest, Although Altrenogest can by itself it is fat-soluble can infiltrate through in target cell, infiltrative limited efficacy, cause its biology Availability is low, dosage is larger, drug cost is high etc., greatly limits it in the application of veterinary clinic;And Altrenogest oil Dosage formulation during the preparation process, Altrenogest be first be made powder then redisperse be dissolved in finish, more due to powder It is tiny, it is be easy to cause reunion, is not easy evenly dispersed.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of good absorption effect, biology benefit The Altrenogest preparation for animals that expenditure is high, formulation disperses effect is good.
Object of the invention can be realized by the following technical scheme:
A kind of Altrenogest preparation for animals, the Altrenogest preparation for animals is by the raw material system including following mass percent At,
Altrenogest: 0.3~0.5%,
Benzyl alcohol: 0.9~1.1%,
Antioxidant: 0.012~0.016%,
Beta carotene: 0.06~0.38%,
Omega-fatty acid: 0.07~0.25%,
Finish: surplus.
Beta carotene and omega-fatty acid is added in the present invention in Altrenogest preparation, and the two can be with animal body lactones The interaction such as matter lipoprotein, cholesterol, phosphatide influences the rouge distribution of cell membrane surface, cell membrane is made to be more suitable for Altrenogest Into Altrenogest is absorbed and utilized to improve target cell.
Preferably, further including 0.05~0.23% vitamin E in the raw material of the Altrenogest preparation for animals.
Vitamin E can improve cell membrane lipid metabolic condition in the present invention, maintain endocrine normal function, cooperate with β- Carrotene and omega-fatty acid play a role.Meanwhile vitamin E can promote dissolution of the Altrenogest in finish.
Preferably, the antioxidant is tertiary butyl-4-hydroxy anisole (BHA) and 2,6-di-tert-butyl p-cresol (BHT) mixture, the finish are that peanut oil, soybean oil, castor oil or palm oil are any one or more of.
Further preferably, the finish is soybean oil.
Preferably, Altrenogest preparation for animals of stating be made of the raw material of following mass percent,
Altrenogest: 0.4%,
Benzyl alcohol: 1.04%,
BHA:0.007%,
BHT:0.007%,
Beta carotene: 0.21%,
Omega-fatty acid: 0.17%,
Finish: surplus.
Another object of the present invention is to provide a kind of preparation method of Altrenogest preparation for animals, the preparation method packets Include following steps:
S1, after taking the 25~30% of finish total weight to be cooled to 50~70 DEG C, antioxidant and benzyl alcohol is added, stirring is equal It is even, obtain oil solution;
S2, after being pre-processed Altrenogest, after oil solution is cooled to 40 DEG C or less, pretreated allyl is added Pregnant element and other outer raw materials of degreaser, stir evenly, obtain primary medical fluid;
S3, primary medical fluid is added in remaining finish, is stirred evenly, obtain secondary medical fluid;
S4, by secondary medical fluid respectively through 50.0 μm, 30.0 μm of filter membrane secondary filtrations, obtain Altrenogest preparation.
It is kept in whole preparation process of the present invention under the conditions of lower temperature, can effectively prevent hot conditions to raw material The destruction of each component, and reduce energy consumption and production cost and the requirement to process equipment;Especially in step S2 It is middle that whipping temp is reduced to 40 DEG C hereinafter, the destruction in hot conditions to Altrenogest can be effectively prevent, improve allyl The drug effect of pregnant element preparation.
Preferably, in the step S1, temperature when stirring is 50~70 DEG C, and mixing speed is 80~120rpm, is stirred Mixing the time is 5~10min.
Preferably, the pretreatment is ultrasonically treated 2- for Altrenogest to be added in ethyl alcohol in the step S2 It is filtered after 5min.
Altrenogest powder is added directly into finish since particle is tiny, is not easy to disperse, and is easy to reunite, is needed to carry out Long agitation;The present invention carries out ultrasonic pretreatment using ethyl alcohol before Altrenogest is added to finish, can change alkene Third pregnant plain surface group, improves dispersion effect and rate of dispersion of the Altrenogest in finish.
Preferably, in the step S2, temperature when stirring is 30~40 DEG C, and mixing speed is 80~120rpm, is stirred Mixing the time is 10~20min.
Preferably, in the step S3, temperature when stirring is 20~30 DEG C, and mixing speed is 150~200rpm, is stirred Mixing the time is 10~20min.
Compared with prior art, the invention has the following advantages:
(1) Altrenogest preparation of the invention can effectively adjust livestock endocrine, carry out progestogenic of promoting the sexual maturity, and control livestock is regular Heat is produced with realizing that livestock grouping is pre-, achievees the purpose that all-in and all-out, so that the production efficiency and industry of livestock be greatly improved Change management level;
(2) Altrenogest preparation of the invention has preferable bio-absorbable utilization efficiency and effect;
(3) dispersion effect is good during the preparation process for Altrenogest preparation of the invention, shortens preparation time, improves system Standby efficiency, reduces preparation cost.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously It is not limited to these embodiments.
The Altrenogest preparation and preparation method thereof in the present invention is further explained below by specific embodiment.
Examples 1 to 3
Altrenogest preparation for animals in Examples 1 to 3 is made of the raw material including following mass percent,
Altrenogest: 0.3~0.5%,
Benzyl alcohol: 0.9~1.1%,
Antioxidant: 0.012~0.016%,
Beta carotene: 0.06~0.38%,
Omega-fatty acid: 0.07~0.25%,
Finish: surplus.
Antioxidant is the mixture of tertiary butyl-4-hydroxy anisole (BHA) and 2,6-di-tert-butyl p-cresol (BHT), oil Agent is that peanut oil, soybean oil, palm oil or Miglyol 812 are any one or more of.
Each raw material and its mass percent are as shown in table 1 in Examples 1 to 3.
Table 1: each raw material and its mass percent in Examples 1 to 4
Embodiment 4
(1), by the raw material components and mass percent preparation raw material in embodiment 2, solid material is crossed into 60 mesh standby With;
(2), after taking the 25% of finish total weight to be cooled to 50 DEG C, antioxidant and benzyl alcohol is added, 50 DEG C of temperature, 5min is stirred under 120rpm revolving speed, obtains oil solution;
(3), Altrenogest is added in ethyl alcohol, is filtered after being ultrasonically treated 2min under 300w power, it is cold to oil solution But to after 30 DEG C, be added that treated Altrenogest, beta carotene, omega-fatty acid and vitamin E 30 DEG C of temperature, 10min is stirred under 120rpm revolving speed, obtains primary medical fluid;
(4), primary medical fluid is added in remaining finish, stirs 10min under 20 DEG C of temperature, 200rpm revolving speed, obtains To secondary medical fluid;
(5), secondary medical fluid is obtained into Altrenogest preparation respectively through 50.0 μm, 30.0 μm of filter membrane secondary filtrations.
Embodiment 5
(1), by the raw material components and mass percent preparation raw material in embodiment 2, solid material is crossed into 60 mesh standby With;
(2), after taking the 30% of finish total weight to be cooled to 60 DEG C, antioxidant and benzyl alcohol is added, 60 DEG C of temperature, 10min is stirred under 100rpm revolving speed, obtains oil solution;
(3), Altrenogest is added in ethyl alcohol, is filtered after being ultrasonically treated 4min under 300w power, it is cold to oil solution But to after 35 DEG C, be added that treated Altrenogest, beta carotene, omega-fatty acid and vitamin E 35 DEG C of temperature, 15min is stirred under 100rpm revolving speed, obtains primary medical fluid;
(4), primary medical fluid is added in remaining finish, stirs 25min under 30 DEG C of temperature, 180rpm revolving speed, obtains To secondary medical fluid;
(5), secondary medical fluid is obtained into Altrenogest preparation respectively through 50.0 μm, 30.0 μm of filter membrane secondary filtrations.
Embodiment 6
(1), by the raw material components and mass percent preparation raw material in embodiment 2, solid material is crossed into 60 mesh standby With;
(2), after taking the 27% of finish total weight to be cooled to 70 DEG C, antioxidant and benzyl alcohol is added, 70 DEG C of temperature, 7min is stirred under 115rpm revolving speed, obtains oil solution;
(3), Altrenogest is added in ethyl alcohol, is filtered after being ultrasonically treated 5min under 300w power, it is cold to oil solution But to after 35 DEG C, be added that treated Altrenogest, beta carotene, omega-fatty acid and vitamin E in 35 DEG C of temperature, 80rpm 20min is stirred under revolving speed, obtains primary medical fluid;
(4), primary medical fluid is added in remaining finish, stirs 20min under 28 DEG C of temperature, 150rpm revolving speed, obtains To secondary medical fluid;
(5), secondary medical fluid is obtained into Altrenogest preparation respectively through 50.0 μm, 30.0 μm of filter membrane secondary filtrations.
Embodiment 7~8
Respectively by the raw material components and mass percent preparation raw material in embodiment 1,3, according to the preparation method of embodiment 5 Carry out the preparation of Altrenogest preparation.
Comparative example 1
It is not added with beta carotene, omega-fatty acid and vitamin E, it is other same as Example 5.
Comparative example 2
Omega-fatty acid is substituted using ω -6 fatty acid, it is other same as Example 5.
Comparative example 3
It is not added with vitamin E, it is other same as Example 5.
Comparative example 4
Ultrasonic pretreatment is not carried out to Altrenogest before Altrenogest is added in finish, it is other with 5 phase of embodiment Together.
Test and performance detection are carried out to product obtained in the embodiment of the present invention and comparative example, it is specific as follows.
(1) dispersion effect is observed
Observe primary medical fluid, secondary medical fluid and final products Altrenogest system obtained in embodiment 4-8, comparative example 1-4 The dispersion effect of agent, as a result as shown in the table:
The dispersion effect of 2 embodiment 4-8 of table, the primary medical fluid in comparative example 1-4 and secondary medical fluid compare
By embodiment 4-8, comparative example 1-4, finally Altrenogest preparation standing obtained is stored in brown bottle, respectively at 5 It finds that the Altrenogest preparation in embodiment 4-8, comparative example 1-3 is right without obvious solids with observation after 10 days Fine particle shape solid matter in ratio 4 has a small amount of increase.
(2) target cell assimilation effect is tested
It chooses and Altrenogest preparation progress test cell line, experimental method is made in 4-8 of the embodiment of the present invention and comparative example 1-4 It is as follows with result:
Test cell: pig ovary cell
Test method: taking the pig ovary cell that in vitro culture is good, is divided into 8 groups, and every group sets two parallel tests, is cultivating Pig ovary cell culture solution in add 5mg Altrenogest preparation, respectively at Altrenogest preparation addition after 5min, The content of Altrenogest in culture solution is detected when 10min, 30min, 240min, culture solution selects DMEM high glucose medium, specifically As a result as shown in the table:
The assimilation effect of Altrenogest preparation in 3 embodiment 4-8 of table, comparative example 1-4
As shown in Table 3, the Altrenogest concentration in the culture solution in comparative example 1-3 test group of the present invention is in Altrenogest system Agent be added after 5min, 10min, 30min, 240min when be significantly less than embodiment 5-8, show that allyl is pregnant in comparative example 1-3 Element enters the speed of gonad cell and effect is significantly less than embodiment 5-8, and the present invention can effectively facilitate Altrenogest and enter target The speed and quantity of cell, bioavilability are high.
(3) pharmacokinetic studies
It chooses and the progress zoopery of Altrenogest preparation is made in the embodiment of the present invention 5,6,7, experimental method and result are such as Under:
Experimental animal: 8~September age replacement gilt 24 passes through 1~2 oestrous cycle, 95~105kg of weight range,
Test method: replacement gilt is divided into two groups, every group 8, feeds the Altrenogest system in embodiment example 5,6,7 respectively Agent.
After fasting 12h, material spray administration is carried out by the dosage of 15mg/ days/head (being equivalent to 0.15mg/kg B.W.), is continuously given Medicine 18 days.Specifically first a feed is divided into two parts when administration, is administered to a copy of it material spray, is supervised after pig eats completely completely again To an other foddering, guarantee that every pig every time all eats up feed, after administration in first day and the 18th day, respectively after administration 20min, 40min, 1h, 1.5h, 2h, 2.5h, 3h, 4h, 5h, 6h, 8h, 10h, 12h, blood sample is acquired for 24 hours, other blood sampling points are every (8 a.m.) and 2 pm before day administration after successive administration 18 days, acquired blood sample in the 20th day 2 pm.
Parameters in blood sample after material spray administration for the first time: terminal eliminates half-life period (t1/2), peak time (Tmax), blood medicine Peak concentration (Cmax), area under the drug-time curve (AUC0-t) and mean residence time (MRT) is as shown in table 2, continuous material spray on the 18th Each parameter in blood sample after administration: Mean steady state concentration of blood drug (Css), degree of fluctuation, AUC0-tSuch as with mean residence time (MRT) Shown in table 4.
Table 4: parameters in blood sample after material spray administration for the first time
Table 5: each parameter in blood sample after the continuous administration of material spray on the 18th
By table 4 and table 5 it is found that the peak time of Altrenogest obtained after single-dose in 6-7 of the embodiment of the present invention (Tmax) comparatively fast, terminal eliminates half-life period (t1/2), mean residence time (MRT) and continuous material spray on the 18th administration after Mean Residence when Between (MRT) it is relatively long, illustrate Altrenogest preparation of the invention long action time in vivo, while under Drug-time curve Area (AUC0-t) higher, illustrate bioavilability height.
(4) induction sow estrus synchronization test
Experimental animal: 215 age in days replacement gilts, original body mass, heredity are similar, and through veterinary inspection, behaviouristics, physiology With the normal healthy replacement gilt 120 of appetite.All experimental animals are fed according to the requirement in growth period with standard mixed fodder, Nutritional ingredient must not arbitrarily be increased or decreased, carry out feeding management according to a conventional method, carried out before testing necessary immunization inocultation and Expelling parasite executes stringent Antiepidemic sterilizing measure during test.
Test method:
Sow is randomly divided into 4 groups, I group is respectively tested, tests II group, test III group and negative control group, every group 20 Head, I group of test, II group of test, III group of test are respectively according to alkene obtained in the dosage feeding embodiment 5 of 10mg, 15mg, 30mg Third pregnant plain preparation, negative control group feed 5ml soybean oil, continuous feeding 18 days.
It lures feelings method to detect oestrus of sow by boar, record heat situation and breeds to heat sow, breeding Later 23 days, 28 days B ultrasound identification Pregnancies.
Table 6: replacement gilt heat is influenced after Altrenogest feeding
As shown in Table 6, Altrenogest preparation of the invention has the effect of significantly adjusting sow estrus synchronization, with feminine gender Control group is compared, and Altrenogest preparation of the invention is more preferable in the effect of control oestrus of sow.
Analysis sow most concentrates sow in adjacent two days, 9 days that rutting rate and Altrenogest is concentrated to stop heat after feeding 9 days Breeding ratio counts the concentration degree of replacement gilt heat, the results are shown in Table 7.
Table 7: Altrenogest stops different time oestrus of sow and breeding situation statistics after feeding
By table 6 and table 7 it is found that Altrenogest preparation of the invention has the effect of significantly promoting to concentrate heat, closing Under suitable adding proportion, oestrus of sow can be controlled in 2~3 days, test group, comparative example group replacement gilt most concentrate adjacent two Difference is extremely significant (P < 0.01) compared with negative control group for its heat ratio;Test group significant difference compared with negative control group (P < 0.05);Stop feeding in 9 days, respectively compared with negative control group, difference is extremely aobvious for test group, the rutting rate of comparative example group It writes (P < 0.01).The result shows that Altrenogest preparation can make sow synchronization of estrus, and heat is more concentrated in adjacent 2~3 days. It analyzing from dosage, the additive capacity of 10mg, 15mg, 30mg have the preferable effect for promoting synchronization of estrus, synchronizing gestation, but The dosage of 10mg easily causes oral dose insufficient in production application, influences using effect, the dosage higher operating costs of 30mg, Therefore the dosage of 15mg is more appropriate.
(5) oral acute toxicity testing
Experiment one
Experimental animal: cleaning grade health ICR mouse 40,20 ± 2g of weight, half male and half female is provided by Yangzhou University.
Test method: being divided into first group (20, half male and half female) and second group (20, half male and half female) for mouse, and first Group is divided into five groups (every group 4, half male and half female) again, respectively according to 100,500,1000,2500,5000mg/kg after fasting 12h B.w. the Altrenogest preparation in (the pure content of Altrenogest in Altrenogest preparation) five poisoning dosage feeding embodiments 6, Do not cause death;Second group of mouse is fed with the poisoning dosage of 5000mg/kg b.w. again, is observed continuously after feeding 14 days.
Experiment two
Experimental animal: cleaning grade health ICR rat 40,200 ± 20g of weight, half male and half female is provided by Yangzhou University.
Test method: it carries out, is observed continuously after feeding 14 days according to the method for oral acute toxicity testing one.
Oral acute toxicity testing one and oral acute toxicity testing two are during observation, and mouse and rat clinical manifestation are just Often, without obvious nervous symptoms, skin and coat are without exception, until the observation period terminates, do not find poisoning and the phenomena of mortality;Experiment knot Dissect survival mice after beam, internal organs and reproductive organs including Stomach duodenum do not find that obvious eye sees disease Become.The result shows that Altrenogest preparation of the invention is greater than 5000mg/kg b.w. to the LD50 of passing through mouth of mouse, acute toxicity compared with It is low.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (8)

1. a kind of Altrenogest preparation for animals, which is characterized in that the Altrenogest preparation is by including following mass percent Raw material is made,
Altrenogest: 0.3~0.5%,
Benzyl alcohol: 0.9~1.1%,
Antioxidant: 0.012~0.016%,
Beta carotene: 0.06~0.38%,
Omega-fatty acid: 0.07~0.25%,
Finish: surplus.
2. Altrenogest preparation for animals according to claim 1, which is characterized in that the antioxidant is tert-butyl -4- hydroxyl The mixture of base anisole (BHA) and 2,6-di-tert-butyl p-cresol (BHT), the finish are peanut oil, soybean oil, castor oil Or palm oil is any one or more of.
3. Altrenogest preparation for animals according to claim 1, which is characterized in that by the raw material system of following mass percent At,
Altrenogest: 0.4%,
Benzyl alcohol: 1.04%,
BHA:0.007%,
BHT:0.007%,
Beta carotene: 0.21%,
Omega-fatty acid: 0.17%,
Finish: surplus.
4. a kind of preparation method of Altrenogest preparation for animals as described in claims 1 to 3 any claim, feature exist In the preparation method includes the following steps:
S1, after taking the 25~30% of finish total weight to be cooled to 50~70 DEG C, antioxidant and benzyl alcohol is added, stirs evenly, obtains To oil solution;
S2, after being pre-processed Altrenogest, after oil solution is cooled to 40 DEG C or less, pretreated Altrenogest is added It with other raw materials outside degreaser, stirs evenly, obtains primary medical fluid;
S3, primary medical fluid is added in remaining finish, is stirred evenly, obtain secondary medical fluid;
S4, by secondary medical fluid respectively through 50.0 μm, 30.0 μm of filter membrane secondary filtrations, obtain Altrenogest preparation.
5. the preparation method according to claim 4, which is characterized in that in the step S1, temperature when stirring is 50 ~70 DEG C, mixing speed is 80~120rpm, and mixing time is 5~10min.
6. the preparation method according to claim 4, which is characterized in that in the step S2, the pretreatment is by allyl Pregnant element is added in ethyl alcohol, is filtered after being ultrasonically treated 2-5min.
7. the preparation method according to claim 4, which is characterized in that in the step S2, temperature when stirring is 30~ 40 DEG C, mixing speed is 80~120rpm, and mixing time is 10~20min.
8. the preparation method according to claim 4, which is characterized in that in the step S3, temperature when stirring is 20~ 30 DEG C, mixing speed is 150~200rpm, and mixing time is 10~20min.
CN201811000231.7A 2018-08-30 2018-08-30 Veterinary altrenogest preparation and preparation method thereof Active CN109260208B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811000231.7A CN109260208B (en) 2018-08-30 2018-08-30 Veterinary altrenogest preparation and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811000231.7A CN109260208B (en) 2018-08-30 2018-08-30 Veterinary altrenogest preparation and preparation method thereof

Publications (2)

Publication Number Publication Date
CN109260208A true CN109260208A (en) 2019-01-25
CN109260208B CN109260208B (en) 2021-04-30

Family

ID=65154738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811000231.7A Active CN109260208B (en) 2018-08-30 2018-08-30 Veterinary altrenogest preparation and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109260208B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112641737A (en) * 2020-09-22 2021-04-13 厦门汇承药业有限公司 Preparation method of altrenogest chewable tablets
CN113350275A (en) * 2021-06-19 2021-09-07 江西农业大学 Altrenogest sustained-release injection and preparation method and application thereof
CN113476457A (en) * 2021-08-03 2021-10-08 吉林吉力生物技术研究有限公司 Composition of veterinary altrenogest, veterinary altrenogest soft capsule, preparation method and application thereof
CN114344242A (en) * 2022-01-04 2022-04-15 北京菲繁生物技术有限公司 Alsopreglin soft sweets and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016054741A1 (en) * 2014-10-08 2016-04-14 Arivac Inc. Altrenogest formulation and uses thereof for estrus synchronisation in animals
CN105816466A (en) * 2016-03-17 2016-08-03 刘文善 Veterinary synchronized estrus promoter and preparation method thereof
CN105919932A (en) * 2016-06-13 2016-09-07 上海同仁药业股份有限公司 Altrenogest oral liquid and preparation method thereof
CN108042485A (en) * 2017-11-08 2018-05-18 宁波三生生物科技有限公司 A kind of Altrenogest preparation and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016054741A1 (en) * 2014-10-08 2016-04-14 Arivac Inc. Altrenogest formulation and uses thereof for estrus synchronisation in animals
CN105816466A (en) * 2016-03-17 2016-08-03 刘文善 Veterinary synchronized estrus promoter and preparation method thereof
CN105919932A (en) * 2016-06-13 2016-09-07 上海同仁药业股份有限公司 Altrenogest oral liquid and preparation method thereof
CN108042485A (en) * 2017-11-08 2018-05-18 宁波三生生物科技有限公司 A kind of Altrenogest preparation and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112641737A (en) * 2020-09-22 2021-04-13 厦门汇承药业有限公司 Preparation method of altrenogest chewable tablets
CN113350275A (en) * 2021-06-19 2021-09-07 江西农业大学 Altrenogest sustained-release injection and preparation method and application thereof
CN113350275B (en) * 2021-06-19 2022-09-06 江西农业大学 Altrenogest sustained-release injection and preparation method and application thereof
CN113476457A (en) * 2021-08-03 2021-10-08 吉林吉力生物技术研究有限公司 Composition of veterinary altrenogest, veterinary altrenogest soft capsule, preparation method and application thereof
CN114344242A (en) * 2022-01-04 2022-04-15 北京菲繁生物技术有限公司 Alsopreglin soft sweets and preparation method thereof

Also Published As

Publication number Publication date
CN109260208B (en) 2021-04-30

Similar Documents

Publication Publication Date Title
CN109260208A (en) A kind of Altrenogest preparation for animals and preparation method thereof
Yaakub et al. Effect of type and quantity of concentrates on superovulation and embryo yield in beef heifers
CN100490666C (en) Animal food and method
Vinoles et al. Short-term nutritional treatments grazing legumes or feeding concentrates increase prolificacy in Corriedale ewes
CN108042485B (en) A kind of Altrenogest preparation and preparation method thereof
CN101869222B (en) Feed additive for improving reproductive capacity of boar and preparation method thereof
CN101669587B (en) Boar nutrition replenisher and preparation method thereof
Akbarinejad et al. Effects of diets enriched in different sources of fatty acids on reproductive performance of Zel sheep
CN101869221A (en) Feed additive for improving reproductive capacity of sow and preparation method thereof
CN102512654A (en) Swine aphrodisiac powder preparation and its preparation technology
CN106962616A (en) A kind of Animal nutrition agent and preparation method thereof
CN104664168B (en) A kind of piglet specific complex vitamin microemulsion preparation and its preparation method and application
CN106666139A (en) Nutrition feed capable of promoting mammogenesis of sow
CN108403667A (en) A kind of Altrenogest sustained-release micro-spheres and preparation method thereof
Garcia et al. Programming effect of dietary fatty acids on performance of Holstein heifers from birth through first lactation
CN101897395A (en) Multiparous galactagogue feed additive for pigs and production method thereof
CN107412216B (en) α application of ketoglutaric acid in improving animal reproductive function injury caused by high fat diet
CN109498557A (en) A kind of cloprostenol sodium injection and preparation method thereof
CN109619300A (en) A kind of sucking pig takes orally iron supplementary and preparation method thereof
CN108339002B (en) Compound medroxyprogesterone acetate composition for pets and application thereof
Ensminger et al. Effect of certain B-complex vitamins on gestation and lactation in swine
Castillo et al. Effect of physiological stage and nutritional management on some serum metabolite concentrations in Assaf ovine breed
CN1240414C (en) Prepared Chinese medicine for improving function of female ovary as well as preparation method and application in pharmacy
Kilicalp et al. Effect of dietary omega-3 poli unsaturated fatty acids during the flushing period on reproductive performance of Karayaka ewes
CN103610517A (en) Alxa bactrian camel superovulation method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 159 Buzheng East Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province, 315000

Patentee after: Ningbo Sansheng Biotechnology Co.,Ltd.

Address before: 159 Buzheng East Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province, 315000

Patentee before: NINGBO SANSHENG BIOLOGICAL TECHNOLOGY Co.,Ltd.

CP01 Change in the name or title of a patent holder