推荐产品
品質等級
化驗
≥98% (HPLC)
形狀
powder
溶解度
methanol: soluble 20 mg/mL
抗生素活性譜
Gram-positive bacteria
fungi
viruses
作用方式
cell membrane | interferes
儲存溫度
−20°C
SMILES 字串
CCC(C1OC(C(C)CC1C)C(C)C(O)C(C)C(=O)C(CC)C2OC3(OC4(CCC(C)(O4)C5CCC(O)(CC)C(C)O5)C(O)C=C3)C(C)CC2C)C(O)=O
InChI
1S/C43H72O11/c1-12-30(35(46)27(8)34(45)28(9)36-23(4)21-24(5)37(51-36)31(13-2)39(47)48)38-25(6)22-26(7)42(52-38)18-15-32(44)43(54-42)20-19-40(11,53-43)33-16-17-41(49,14-3)29(10)50-33/h15,18,23-34,36-38,44-45,49H,12-14,16-17,19-22H2,1-11H3,(H,47,48)
InChI 密鑰
VHKXXVVRRDYCIK-UHFFFAOYSA-N
應用
Narasin is a growth-promoting ionophoric antibacterial agent for Enterococci, specifically Enterococcus faecium and Enterococcus faecalis. It inhibits coccidial infection in poultry and mammals and is used in studies involving sodium calcium ion exchange.
生化／生理作用
Narasin administration in swine results in improved nitrogen digestibility, which decreases fecal nitrogen and increases the relative concentrations of propionic acid in the large intestine. Polyether ionophores, such as Narasin, have a hydrophilic interior and a hydrophobic exterior. The lipophilic ionophore attaches to the lipid rich cell membranes of Gram-positive bacteria. Ionophores bind Na+, K+, and H+ and facilitate their transfer across the bacterial cell membrane, resulting in an increase in H+ concentration on the inside of the Gram-positive cell. Therefore, the H+ ATPase pump is activated to transport out excess H+. The cell is depleted of its energy resources and reduces fermentative functions and cell division .
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 2 Oral
儲存類別代碼
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
其他客户在看
June Su Yin Low et al.
Antiviral therapy, 16(8), 1203-1218 (2011-12-14)
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P Butaye et al.
Antimicrobial agents and chemotherapy, 43(10), 2569-2570 (1999-10-03)
Susceptibility of Enterococcus faecium and Enterococcus faecalis strains from animals and foods to growth-promoting antibiotics used in animal feed was tested by the agar dilution technique. Acquired resistance to bacitracin, narasin, tylosin, and virginiamycin was seen for both species, and
Harold Campbell et al.
Journal of AOAC International, 89(5), 1229-1242 (2006-10-18)
A liquid chromatographic (LC) method for the analysis of monensin, narasin, and salinomycin in mineral premixes, supplements, and complete animal feeds at medicating and trace levels was collaboratively studied. The method uses methanol-water (90 + 10) extraction with mechanical shaking
Tetrahedron Letters, 47, 10109-10109 (1991)
Pekka Peippo et al.
Journal of agricultural and food chemistry, 52(7), 1824-1828 (2004-04-01)
Anticoccidial drugs are extensively used in the poultry industry to control the infection of the single-cell protozoa of the genus Eimeria. The most commonly used coccidiostats in poultry are the polyether ionophores such as narasin and salinomycin. This paper presents
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