關於 ractopamine ld50 ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. 由瘦肉精事件

加萊克多巴胺（Ractopamine）的牛肉 ... 最近國內所驗出的瘦肉精則以Ractopamine為主，偶也有 ... 毒性試驗－LD50（半數致死劑量）表示，LD50 是可使半數試.

#12. 國軍核生化防護作為--認識瘦肉精

一、瘦肉精是乙型受體素（β-agonists）的俗稱，包含萊克多巴胺（Ractopamine ... 期與長期的毒理資料研究，如半致死劑量（lethal dose 50%, LD50）4與無作用.

#13. ractopamine hydrochloride supplementation: Topics by ...

Meat quality in pigs fed diets with gradual ractopamine supplementation and ... a dose of 4.4 mg/kg bm, LD50 -25% mg/kg bm, and LD50 -75% mg/kg bm.

#14. 科目：食品衛生與安全 - 志聖文教

一、有人將瘦肉精（例如：萊克多巴胺（ractopamine）、克倫特 ... Ractopamine 之攝食量為60μg（60kgbw×1μg/kg bw per day）。 ... LD50數值愈大，毒性愈強.

#15. MATERIAL SAFETY DATA SHEET - Amazon AWS

ELANCO AF0610 PAYLEAN 100 RACTOPAMINE HYDROCHLORIDE PREMIX ... Paylean Premix, Ractopamine Hydrochloride ... LD50 >5,000 mg/kg (Rabbit). Acute inhalation:.

#16. SAFETY DATA SHEET - FUJIFILM Wako Chemicals

Ractopamine Hydrochloride Standard (mixture of isomers). Product code. 182-01971. Manufacturer ... Dermal LD50. Inhalation LC50. Ractopamine ...

#17. 搜尋檢索 - SGS安心資訊平台

... 之瘦肉比例增加，並改進飼養效率，而萊克多巴胺（Ractopamine）也是其中一種。 ... 所有的化學物質都有毒，LD50為其中一種初步認定化學品急毒性危害的工具之一， ...

#18. Evaluation of certain veterinary drug residues in food - WHO ...

LD50 median lethal dose. LOAEL lowest-observed-adverse-effect level ... MRLs for ractopamine (in cattle and pig tissues), which had been held since.

#19. Engain 20 - SAFETY DATA SHEET

Ractopamine Hydrochloride (CAS 90274-24-1). Dermal. Acute. LD50. Rabbit. > 2000 mg/kg. 5 / 8. Material name: Engain, Actogain.

#20. 衛生署對於四種主要乙型受體素之說明 - 動物飼料添加劑專區

Ractopamine. Zilpaterol. Clenbuterol. Salbutamol. 中文名稱. 萊克多巴胺. 齊帕特羅. 克倫特羅. 沙丁胺醇. 每日安全攝取. 量所呈現之安.

#21. Ractopamine in particulate matter emitted from beef cattle ...

Request PDF | Ractopamine in particulate matter emitted from beef cattle feedyards and playa wetlands in the Central Plains: Ractopamine in particulate ...

#22. （別添） 塩酸ラクトパミンの食品健康影響評価について

塩酸ラクトパミン (Ractopamine Hydrochloride) ... 経口投与による LD50はマウス(ICR)の雄で 3547mg/kg体重、雌で2545mg/kg体重(29)、ラット(Fischer)の雄.

#23. [PDF] Ractopamine, chromium-methionine and their combinations ...

Supplementation of ractopamine combined to chromium-methionine do not affect ... high safety margins in mice with the LD50 value higher than 10.0g/kg BW.

#24. CN104311436B - A kind of synthetic method of deuterium-labeled ...

The deuterium-labeled Ractopamine that this synthetic method obtains can be used for the research of ... 231100000111 LD50 Toxicity 0.000 description 4 ...

#25. 我國乙型受體素於畜產品禁限用措施之研究

dispute in WTO is the level of protection to Ractopamine we adopted. ... 半數致死劑量（median lethal dose, 簡稱LD50，其數值係可.

#26. Chemical hazards in foods of animal origin - Wageningen ...

agonists (e.g. ractopamine and zilpaterol), which are metabolized differently and are less ... a rat acute oral LD50 of 97 mg/kg. Tests found residue levels ...

#27. 110 年度第二次保健食品初級工程師能力鑑定考試試題

下列有關⼄型受體素-萊克多巴胺（Ractopamine）之敘述何者為不正確？ （A）添加於動物飼料中可以增強家畜家禽的瘦肉比例 ... （C）LD50. （D）MOS.

#28. 一种肥育猪生长和体形改良剂的组合配方及其制备方法 - Google

... 231100000111 LD50 Toxicity 0.000 abstract description 3 ... YJQZYXCXBBCEAQ-UHFFFAOYSA-N Ractopamine hydrochloride Chemical compound data:image/svg+xml ...

#29. L1700-Bioactivecompound - PLOS

(Rat LD50 = 590 mg/kg), 2031, 27.04 ... 1657, S4351, Ractopamine HCl, e8, L1700-19, Others, Ractopamine HCl (RAC), a beta-agonist with established nutrient ...

#30. 盐酸莱克多巴胺|Ractopamine hydrochloride - 物竞数据库

小鼠静脉LD50: 27600 ug/kg。 生态学数据. 暂无. 分子结构数据. 1、 摩尔折射率：87.67. 2、 摩尔体积（cm ...

#31. Reaxys 化學資料庫教育訓練-- 食品安全 - CONCERT

瘦肉精：萊克多巴胺(Ractopamine) ... 食三點二公克三聚氰胺，有一半的老鼠會死掉(LD50)。換算人體的攝取，一名六十公斤的成人必須一次吃進76.8公斤摻 ...

#32. PRS on zilpaterol hydrochloride in the product Zilmax ...

Zilpaterol was of moderate oral toxicity in mice (LD50 = 430–580 mg/kg bw) and ... receptor agonists, for example salbutamol, indacaterol and ractopamine.

#33. Ractopamine - Living in Taiwan - Forumosa

The recommended dose for ractopamine as a repartitioning agent is 1-10mg/kg, ie., ... :s LD50 appears to vary widely depending on species, ...

#34. Registration Dossier - ECHA

EC number: 415-170-5 | CAS number: 90274-24-1 PAYLEAN; RACTOPAMINE HYDROCHLORIDE ... Sex: male/female; Dose descriptor: LD50; Effect level: 411 mg/kg bw ...

#35. 產食動物藥物殘留之食品安全性

化學結構：苯乙醇胺類(phenethanolamine). • 藥理活性：乙型受體致效劑(agonist). • 致效劑：對受體有活化作用的藥物. 案例：萊克多巴胺Ractopamine.

#36. The residue kinetics and safety of R-salbutamol in ruminants

salbutamol, ractopamine, cimaterol, L 664,969 and clenbuterol (Mersmann, 1998; Ricks, ... LD50 is usually determined in acute toxicity studies.

#37. Ractopamine ELISA Kit - BioVision

Ractopamine ELISA Kit. PRODUCT CODES: Cat# E4565-100 ... Acute toxicity: LD50 Oral – rat – 2,140 mg/kg. LC50 Inhalation – rat – 2 h – 510 mg/m3.

#38. 氯乙醛在2-氯乙醇中毒所扮演的角色及作用機制之探討

Notably, fomepizole 5 mg/kg significantly increased median lethal dose (LD50) of 2-CE from 65.1 mg/kg to 180 mg/kg, and reduced the production of a ...

#39. 盐酸莱克多巴胺_MSDS_用途_熔点 - CAS号查询

常用名, 盐酸莱克多巴胺, 英文名, Ractopamine Hydrochloride ... 英文名, rac Ractopamine Hydrochloride ... 小鼠静脉LD50: 27600 ug/kg。

#40. 年代瀏覽 - 海洋大學

This study investigated the effects of dietary ractopamine hydrochloride on the growth, ... The LD50 of ECP of AHPND strain Lvhpvpa and Non-AHPND.

#41. 生物類篇名： 瘦肉精風暴席捲全臺

瘦肉精的種類目前約八大類，成分超過40 種，常見的有下列四大類：. 1. 萊克多巴胺(ractopamine) ... 英文名稱：Ractopamine ... LD50（mg/kg）. 小鼠（mouse）.

#42. 試題 - 106年第二次專門職業及技術人員高等考試中醫師考試分 ...

14 口服急性毒性試驗依LD50 值等級分類，其LD50 至少須大於下列何者濃度始可定義為相對無毒？ 10 g/kg ... 33 關於萊克多巴胺（ractopamine），下列敘述何者錯誤？

#43. 110 年公務人員普通考試試題 - 公職王

Ractopamine 萊克多巴胺（Ractopamine）商品名為培林，是腎上腺乙型受體作用劑的一種， ... （50）死亡的劑量表示，稱為半數致死量（LD50；50 of lethal dose）。

#44. Safety data sheet - LGC Standards

Product name: Ractopamine D6 hydrochloride 100 µg/mL in Acetonitrile. · Part number: DRE-A16805010AL-100 ... Dermal (LD50) >2,000 mg/kg (rabbit).

#45. Redalyc.Clenbuterol y otros &#946

as phenethanolamine derivatives, clenbuterol, ractopamine and zilpaterol, stand out. ... greater with parenteral administration (LD50 = 30-85 mg/kg).

#46. Ionophore Toxin Maduramicin Produces Haff Disease-Like ...

... chelating base, histamine, ractopamine, and several acid ions, and 26 heavy metals by performing multiple chemical analysis techniques.

#47. dermal tissue - Chinese translation – Linguee

oral(rat) and dermal(rabbit) LD50 [...] ... 职业安全和健康署规定产品的毒理学资料如下： 甲醛的口服毒性（鼠）及皮肤毒性（兔子）LD50 值分别为100 [...].

#48. Ractopamine Mode of actionyRegulation around the world

Ractopamine (/rækˈtɒpəmaɪn, -miːn/) is an animal feed additive used to ... Oral LD50 levels in mice and rats are 3547–2545 mg/kg body weight (male and ...

#49. [12] 发明专利申请公开说明书

消旋肾上腺素B-激动剂如莱克多巴氨(ractopamine)之后出现的大量或. 所有精神上的兴奋被避免。 ... 据发现治疗非活性的沙丁胺醇S-异构体(LD50;iv 老鼠: 60.

#50. National Drugs and Poisons Schedule Committee

LD50. The concentration of a substance that produces death in 50% of a ... RACTOPAMINE except when included in Schedule 5.

#51. ‧ 國立政治大學‧

lethal dose, 50% LD50 lowest-observed-effect level,. LOEL threshold values. 70. Exposure Assessment. 71. Risk Characterization.

#52. Vol. 77 Wednesday, No. 234 December 5, 2012 Pages 72195 ...

There are also acute LD50 studies via the oral, dermal and inhalation routes, ... ADI for total residue of ractopamine.

#53. 立法院第10屆第2會期經濟、社會福利及衛生環境、外交及國防

道水的半致死劑量（Median Lethal Dose，簡稱LD50）是6 公升，所. 以量是很重要的。 ... 多巴胺(Ractopamine)含藥物飼料添加物。

#54. 97. 下列何者是做為決定食品添加物使用量的重要依據？(A ...

問題詳情. 97. 下列何者是做為決定食品添加物使用量的重要依據？ (A) LD50 ... (A)是一種乙型受體素(B)2012 年CODEX 通過萊克多巴胺（ractopamine）為動物用禁藥(C) ...

#55. Engain - PALS

Components. Species. Test Results. Ractopamine Hydrochloride (CAS 90274-24-1). Acute. Dermal. LD50. Rabbit. > 2000 mg/kg. Material name: Engain, Actogain.

#56. 一次拔20顆牙造成死亡？醫師解析：沒有麻醉知識別亂開槍

所以我們整理一下： 賽安勃Oral LD50 in rat （半數致死量） 是2000mg／kg，1杯500毫升的第一泡茶，茶葉中有賽安勃總量0.000015 ... 萊克多巴胺（Ractopamine） 2.

#57. Committee on Toxicity of Chemicals in Food, Consumer ...

Expert Committee on Food Additives (JECFA) when it evaluated ractopamine. No ... where there was a 5-fold difference in LD50.

#58. Detection of a Foreign Protein in Milk Using Surface ...

Rapid Determination of Ractopamine in Swine Urine Using Surface-Enhanced Raman Spectroscopy. Journal of Agricultural and Food Chemistry 2011 ...

#59. Supplementary Table 5 - medRxiv

(Rat LD50 = 590 mg/kg) ... at the expense of fat deposition. http://www.selleckchem.com/products/ractopamine-hcl.html, S4351, (Ractopamine),Health Canda ...

#60. An insight into neurotoxic and toxicity of spike fragments ...

Ractopamine hydrochloride induces behavioral alterations and oxidative status imbalance in zebrafish. Journal of Toxicology and ...

#61. 103年第二次專門職業及技術人員高等考試醫師中醫師考試

LD50. VSD. NOEL. 13 進行亞急性毒性試驗時，至少要有三個劑量組，其中高劑量組之劑量設計原則為何？ LD50 一半之劑量 ... 萊克多巴胺（Ractopamine）.

#62. 食品中激素类、抗生素类物质的残留污染及管理

盐酸克伦特罗、重组牛生长激素(rBST) 、Ractopamine. (β受体激动剂) 等。对于促生长激素,美国目前允 ... 资料显示它是中等毒性,LD50 = 400～800 mgΠkg BW ,.

#63. Re: [新聞]美農業部最新研究/豬餵萊克多巴胺出現攻 - PTT 熱門 ...

老鼠LD50口服是192mg/Kg，毒性比Paylean®高（Ractopamine則是474mg/Kg）。目前已經有病例因攝取過量這種藥物而中毒，症狀有手抖、心悸、興奮、和誘發精神異常， ...

#64. FDA-approved Drug Library (96-well)-L1300 - Stratech

... 9-Aminoacridine, Clorgyline HCl, Metaraminol Bitartrate, Ractopamine HCl, Phthalylsulfacetamide ... (Rat LD50 = 590 mg/kg), 198.14 ...

#65. 食品衛生安全與法規申論題庫彙編

一、以國人食用進口牛肉及其製品暴露萊克多巴胺（Ractopamine）為例，說明其風險評估之步驟。（25分） ... (1)LD50 (2)Noobservable effect level（NOEL）

#66. The Annona muricata leaf ethanol extract affects mobility and ...

LD50. Lethal Dose 50. MIC. Minimum Inhibitory Concentration ... Adverse effects from clenbuterol and ractopamine on nematode caenorhabditis elegans and the ...

#67. 食品微生物學

(b) How to set a limit for Ractopamine to be used in animal raising (動物養殖)? 5% ... LD50 f. Nitrosamine g. Coliform h. MPN

#68. 盐酸莱克多巴胺|Ractopamine hydrochloride|90274-24-1|参数

人(女性)经口TDLo: 4600 ng/kg。小鼠静脉LD50: 27600 ug/kg。 生态学数据. 暂无. 分子结构数据. 1、 ...

#69. Why babi in Malaysia is no good - Lowyat Forum

Ractopamine is an animal feed additive used to promote leanness and ... Oral LD50 levels in mice and rats are 3547–2545 mg/kg body weight ...

#70. 100年第二次專門職業及技術人員高等考試中醫師、營養師

一、有人將瘦肉精（例如：萊克多巴胺（ractopamine）、克倫特羅（clenbuterol）等）. 添加於飼料中， 其作用為何？ ... LD50數值愈大，毒性愈強.

#71. all drugs

584, 01502332, RACTOPAMINE HYDROCHLORIDE, 130715-08 ... D10, 65710-07-8, C21H41N5O11, 539.58782, antibacterial; LD50(iv) 280mg/kg(mouse), 5141, 0.68265.

#72. SNA-abstract-book-2011.pdf - Society of Environmental ...

proiduce an LD50 for acute contact and topical exposure, NOEC for chron- ... infrequently and at concentrations less than 1 ng/L include ractopamine,.

#73. meloxicam journal articles from PubMed - Unbound Medicine

... erythromycin, flunixin, 5-hydroxyflunixin, meloxicam, ractopamine, ractopamine-glucuronide, salbutamol, tylosin, and z… Publisher Full Text (DOI).

#74. 瘦肉精 - 中文百科知識

瘦肉精萊克多巴胺(Ractopamine)雷托巴胺即萊克多巴胺是比較特殊的“瘦肉精”。 它的效率非常高，一噸飼料中加入不到二十克，就可以讓 ... 小鼠靜脈LD50: 27600 ug/kg。

#75. safety assessment studies: Topics by Science.gov

... as observed in the incidents of pork with ractopamine, Chinese hairy crab ... In acute toxicity study, the LD50 was found to be greater than 5000 mg/kg ...

#76. Banned in 160 Nations, Why is Ractopamine in US Pork? (Op ...

Oral LD50 levels in mice and rats are 3547–2545 mg/kg body weight. So since I'm a fatass at 100kg.I would need to eat 300kg or 650lbs of this stuff.

#77. 102 年度第二次保健食品初級工程師能力鑑定考試

有關瘦肉精(Ractopamine)的描述，下列何者正確？ （A） 屬於乙型補體素. （B） 加強脂肪分解. （C） 促進肝醣合成 ... （B） LD50. （C） OD50. （D） BD50.

#78. 蕪菁雜誌

在大鼠實驗中，萊劑的口服致死劑量(LD50)是每公斤體重474-367毫克(註9)，但咖啡因的口服致死劑量(LD50)是每公斤體重192 ... ractopamine-in-meat.

#79. Menu - Europe PMC

... Ethanol extract of Annona muricata leaves; DMSO, Dimethylsulfoxide; LD50, ... Adverse effects from clenbuterol and ractopamine on nematode ...

#80. [新聞] 影／瘦肉精副作用20秒影片瘋傳陳吉仲- Gossiping板

u9005205: 所以LD50劑量是多少？330F 11/11 13:56. → DOOT: 就講一句萊豬連中國人也不吃331F 11/11 13:56. 噓nctugoodman: 美牛都吃八年了，國民黨 ...

#81. A 100-Year Review: Metabolic modifiers in dairy cattle nutrition

lethal dose (LD50) for equines is about 400 mg. β-Adrenergic Agonists ... ractopamine and zilpaterol received regulatory approv-.

#82. 其實四大公投絕對係台灣國運轉折點 | LIHKG 討論區

佢一日食幾多豬先會ractopamine 中毒LD50成450mg/kg. UST南亞仔 2021-11-17 19:42:44. 如果要拗其實當年fda 未有standard.

#83. Poultry Science Association 98th Annual Meeting July 20–23 ...

against challenges of 20 – 500 LD50 % of SG (P< 0.001). These results ... 116 Effects of ractopamine-HCl on finishing tom and hen turkey.

#84. acknowledgement - Journal IPB

Ractopamine level, gender and duration of. Ractopamine on belly and bacon quality traits. ... LD50 lethal dose 50%. LSD least significant difference.

#85. Active Integrinalpha 2b beta 3 Inhibitors - Medchemexpress

Phenylethanolamine A acts as a β-adrenergic agonist. Phenylethanolamine A is a byproduct during the Ractopamine synthesis process.

#86. 检索结果-内蒙古大学图书馆

... or lethal dose (LD50) and may inhibit the growth of rumen microbes. ... Pigs RACTOPAMINE HCL QUALITY ENERGY: 来源： AcademicSearchPremie.

#87. NUTRITION AND FEEDING OF FISH Second Edition

Feeding the repartitioning agent, ractopamine, to channel ... The intraperitoneal LD50 for CPA was found to be 2.82 mg kg-I with channel catfish.

#88. 100年第二次專門職業及技術人員高等考試中醫師、營養師

一、有人將瘦肉精（例如：萊克多巴胺（ractopamine）、克倫特羅（clenbuterol）等）添加於飼料中，(一)其作用為何 ... （D）LD50數值愈大，毒性愈強.

#89. “瘦肉精”及其危害- 广东省石油化工咨询网

小鼠静脉LD50: 27600 ug/kg。 临床表现. 1.急性中毒有心悸，面颈、四肢肌肉 ... 莱克多巴胺/又译雷托巴胺（Ractopamine），是比较特殊的“瘦肉精”。

#90. IPVS2018-proceedings-1.pdf - International Pig Veterinary ...

The LD50 of each PRV was calculated as >104.00 TCID50 (Bartha-K61), ... Comparative studies without the feed additive ractopamine were considered for ...

#91. Articles List - Iraqi Journal of Veterinary Sciences

Assessment of the withdrawal period for ractopamine hydrochloride in the goat and sheep. Mochamad Lauardi; Bambang Hermanto; Tjuk I. Restiadi.

#92. 105年第一次專門職業及技術人員高等考試中醫師考試分階段考試

18 甲、乙、丙、丁四種化學物質，其LD50（mg/Kg）分別為0.1、0.2、0.3、0.4，則何者的毒性最低？ ... 年CODEX 通過萊克多巴胺（ractopamine）為動物用禁藥.

#93. Volume 2 / Suppl. 2 / 2017 - Instituto Prohuma

(calculation of LD50> 2000 mg / kg) using fibroblasts. (V79) and 7 using keratinocytes (HaCat). ... Ractopamine is a β2-agonists used as feed additive to.

#94. Toxicological Effects of Veterinary Medicinal Products in Humans

In 1992, JECFA considered the toxicity and residues data available for ractopamine. The compound has low acute oral toxicity in mice (LD50 values of 3547 ...

#95. For Reference Only - Abbexa

Ractopamine Antibody. CAS number: None. Commodity Code (Harmonized Code):. 3822.00.0090 ... LD50 (Oral, Rat): 12,600 mg/kg. May cause skin irritation.

#96. 106 年- 106-2 專技高考_營養師：食品衛生與安全#63979

14.14 口服急性毒性試驗依LD50值等級分類，其LD50至少須大於下列何者濃度始可定義為相對無毒？ ... 33.33 關於萊克多巴胺（ractopamine），下列敘述何者錯誤？

#97. Sheet1 - BioCat GmbH

... antirachitic vitamin; LD50 (rat) 56 mg/kg po, USP, INN, BAN, JAN ... 1026, 1025, T1195, Ractopamine hydrochloride, 90274-24-1, 337.8, C18H23NO3.

#98. 什麼是瘦肉精瘦肉精~有什麼危害 - 隨意窩

人(女性)經口TDLo: 4600 ng/kg。小鼠靜脈LD50: 27600 ug/kg。 ... 雷托巴胺萊克多巴胺/又譯萊克多巴胺（Ractopamine）雷托巴胺即萊克多巴胺是比較特殊的“瘦肉精”。

#99. Applied Animal Endocrinology - Repository UNIKAMA

primarily to β2-receptors, while ractopamine ... 23% higher in ractopamine-treated gilts com- ... more toxic than Cr3+. The LD50 for Cr3+–nico-.