Tebchaws Meskas Tuaj Tebchaws, Tebchaws Thoob Plaws Hauv Tebchaws Asmeskas, Lub Tebchaws Thoob Plaws Tebchaws Thoob Plaws Tebchaws

Melengestrol acetate hmoov

Rating:
5.00 tawm ntawm 5 raws li nyob rau 1 neeg ntsuam xyuas
SKU: 2919-66-6. Qeb:

AASraw yog nrog synthesis thiab muaj peev xwm ua tau los ntawm kab gram los ntawm huab hwm coj ntawm Melengestrol acetate hmoov (2919-66-6), raws li CGMP kev tswj thiab kev tswj xyuas qhov system zoo.

Melengestrol acetate hmoov (INN, BAN) yog ib tug steroidal progestin thiab antineoplastic tus neeg sawv cev uas yog tsis tau muag. tej lub npe luv ua MGA. Nws tsis tau kev tso cai rau kev siv tib neeg, thiab nws yog siv los ua ib qho khoom noj pub dawb los txhawb kev loj hlob ntawm cov tsiaj nyeg. thiab nws yog siv los ua ib qho tshuaj tiv thaiv kabmob rau cov tsiaj txhu nyob hauv zoos thiab lwm qhov chaw, ...

Hauj lwm yam khoom

Melengestrol acetate hmoov yees duab


Melengestrol acetate hmoov theem pib

Lub npe: Melengestrol acetate hmoov
CAS: 2919-66-6
Molecular Formula: C25H32O4
Molecular phaus: 396.52
EINECS: 220-859-7
txhais: -20-dione,17-(acetyloxy)-6-methyl-16-methylene-pregna-6-diene-3 ;6-dehydro-16-methylene-6-methyl-17-acetoxyprogesterone ;6-diene-3,20-dione,17-hydroxy-6-methyl-16-methylene-pregna-acetate ;bdh1921 ;mga100 ;mga100(steroid) ;4,6-PREGNADIEN-6-METHYL-16-METHYLENE-17-OL-3,20-DIONE ACETATE;17ALPHA-ACETOXY-6-METHYL-16-METHYLENE-4,6-PREGNADIENE-3,20-DIONE
Melt Point: 202-204 ° C (lit.)
Alpha D23-127 ° (c = 0.31 hauv chloroform)
Cia Temp .: 0-6 ° C
xim: Lub teeb daj hmoov


Ntau Cov Lus Qhia Txog Melengestrol acetate hmoov koj xav paub

lub npe

Melengestrol acetate hmoov, Heifermax, MGA

Qhov Siv Cov Tshuaj Melengestrol acetate Li Cas

Melengestrol acetate hmoov (MGA) yog ib qho ncauj lus cuam tshuam txog kev loj hlob kev noj haus thiab kev hloov khoom noj khoom haus ua rau kev noj tau zoo dua thiab ua rau cov pob txha oestrus hauv cov nqaij nyug heifers.They tsis tau kev tso cai los siv hauv txhua hom. MGA yog tsuas siv tshuaj ntawm nws hom uas tau muab tso rau hauv kev pub tsiaj, Qhov ntau ntawm kev pom zoo txhaj tshuaj yog 0.25 rau 0.50 mg / heifer / hnub. Melengestrol acetate hmoov yog pub rau lub sij hawm ntawm fattening / finishing lub sij hawm, feem ntau 90 rau 150 hnub. Amandatory tshem tawm ntawm 2 hnub ua ntej tua tsiaj yog siv rau txhua tus tsiaj uas yog muab MGA.

Melengestrol acetate hmoov tau raug kuaj ua ntej ntawm 54th lub rooj sib tham ntawm Pawg Neeg Tswj Xyuas, thiab cov sij hawm ntau tshaj qhov seem (MRLs) tau pom zoo. Cov ntus MRLs no yog 5 μg / kg rau cov nqaij nyoos thiab 2 μg / kg rau cov nqaij mos. Hauv qhov kev txiav txim siab ntawm MRLs, pawg neeg tau saib xyuas cov nram qab no:
- Ib qho ADI ntawm 0-0.03 μg / kg ntawm lub cev hnyav raug tsim, uas yog ib qho sib npaug rau ntau tshaj li ntawm ADI ntawm 1.8 μg rau ib tug
60-kg tus neeg.
- Tsuas yog cov rog thiab lub siab tsuas muaj cov cim ntawm cov khoom seem uas muaj feem xyuam rau qhov niaj hnub ua; txoj kev
nrog cov kev txwv ntawm ntau tshaj 0.3 μg / kg tsis pom zoo rau kev tso cai quantification ntawm seem nyob rau hauv cov leeg los ntawm
tsiaj txhu kho nrog cov koob tshuaj siv ntawm Melengestrol acetate hmoov.
- Cov neeg txhawb nqa tsis tau xa ib txoj kev soj ntsuam tsim nyog rau kev tsom kwm.
Yog li ntawd, Pawg Neeg Tswj Haujlwm tau pom zoo rau MRLs ib ntus thiab thov cov lus qhia nram qab no:
- Ib txoj kev tshawb fawb tsim nyog rau ntau yam ntxiv ntawm Melengestrol acetate hmoov nyob rau hauv daim siab thiab cov nqaij muaj roj.

Hauv kev teb rau lub Committee txoj kev thov, tus neeg pab txhawb nqa tau muab txoj cai siv tshuaj rau kev soj ntsuam los ntawm 58th
JECFA lub rooj sib tham.

Yog Melengestrol acetate hmoov zoo

Cov nyhuv ntawm cov tshuaj hu ua menningenyl acetate (MGA) ntawm kev ua ntawm zes qe menyuam tau tshawb nrhiav hauv 264 cov khoom noj thiab cov txiv nyuj. Ib qho tag nrho ntawm 98 heifers tau txais 0.4 mg MGA txhua hnub rau ib lub sij hawm luv luv (18 rau 32 hnub), thiab kev ua ntawm lub zes qe menyuam tau txiav txim siab ntawm qhov quav palpation. Raws li cov xwm txheej ntawm cov neeg mob hauv lub plab zom tau raug txo los ntawm 76% rau 10%, qhov tshwm sim tau tshwm sim tau nce ntxiv ntawm 56% rau 91%. Kev loj hlob ntawm cov plaub hau tseem ua rau lub sijhawm dhau los. Cov hnoos qeev ncauj hnoos qeev tau ua tiav raws li fern hom, uas tau txhais raws li cov teebmeem estrogenic thiab tshwm sim thaum lub sij hawm corpus luteum degradation, txawm tias estrus thiab ovulation tau inhib los ntawm MGA kho.

Ib qho ntawm 166 nyuj heifers tau siv hauv kev tshawb xyuas ntev MGA kho (105 rau 116 hnub). Ib qho tseem ceeb (P <0.05) nce nyob hauv qhov hnyav ntawm cov kua hauv lub plab, feem ntau ntawm cov hauv paus loj tshaj plaws ntawm qhov khub ntawm cov zes qe menyuam. Cov tshuaj estrogen ntau ntxiv kuj qhia txog kev pub rau puberty, thiab tes taw rau adrenal hauv MGA-kho heifers kom muaj zog. Tom qab txoj kev kho mob nrog MGA, qhov hnyav ntawm lub pob yws ntawm cov pob zeb tau muab txo kom tsawg. Kev noj tshuaj kom txaus rau kev ua kom luag nyav zoo li zoo rau 0.4 mg ntawm MGA txhua hnub / heifer.

Ceeb toom rau Melengestrol acetate hmoov

  • Txav deb ntawm cov zaub mov, haus dej thiab tsiaj noj.
  • Tsis txhob khoob rau hauv cov dej ntshiab.
  • Cov khoom siv no thiab nws cov thawv yuav tsum muab pov tseg rau hauv txoj kev nyab xeeb.
  • Hnav cov khaub ncaws zoo tiv thaiv.
  • Hnav cov hnab looj tes.
  • ntxuav hauv pem teb thiab tag nrho cov khoom raug tus kab mob no, siv dej thiab xab npum.
  • Yog tias tau nqos, TAM SIM NTAWV tiv tauj Tus Kws Kho Mob lossis Cov Kws Paub Txog Lub Nroog. (qhia kab no lossis daim ntawv lo).
  • Zam txhob kis - muab cov lus qhia tshwj xeeb ua ntej siv.
  • Muab cov khoom siv no thiab cov thawv ntim khoom pov tseg ntawm cov khoom pov tseg los yog tshwj xeeb pov tseg.
  • Siv cov thauv pov tseg kom zoo kom tsis txhob muaj kab mob hauv lub cev.
  • Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / Cov ntawv qhia kev nyab xeeb.

Melengestrol acetate hmoov

Min yuam 10grams.
Cov lus nug txog ntawm ntau npaum li cas (Hauv 1kg) tuaj yeem xa tawm hauv 12 teev tom qab them nyiaj.
Rau kev loj dua (Hauv 1kg) tuaj yeem xa tawm hauv 3 hnub ua haujlwm tom qab them nqi.

Melengestrol acetate hmoov li

Kom muab rau yav tom ntej tom ntej


Yuav ua li cas yuav Melengestrol acetate hmoov los ntawm AASraw

1.To tiv tauj peb ntawm peb tus email nug qhov system, lossis hauv internettus sawv cev rau tus neeg sawv cev (CSR).
2.To muab peb nug koj qhov ntau thiab qhov chaw nyob.
3.Our CSR yuav muab nqe lus hais txog koj, qhov them nqi, tus lej nrhiav, kev xaib thiab kwv yees hnub uas tuaj txog (ETA).
4.Payment ua tiav thiab cov khoom xa tuaj rau 12 cov xuab moos (Rau kev txiav txim hauv 10kg).
5.Goods tau txais thiab muab tswv yim.

PRECAUTION THIAB DISCLAIMER:

Cov Khoom Siv No Yog Muag Rau Kev Tshawb Xyuas Siv Xwb. Cov ntsiab lus ntawm kev muag khoom Thov. Tsis Yog Rau Tib Neeg Noj, Tsis Kho Mob, Kho Tsiaj, lossis Tsev Neeg Siv.


COA

HNMR

Zaub mov txawv

Melengestrol acetate hmoov zaub mov txawv

Yog xav paub txog peb Tus Neeg Sawv Cev Kev Nkag Siab (CSR) kom paub meej, rau qhov koj siv.

References & cov khoom citations