Lactulose is a keto analogue of lactose, a disaccharide composed of galactose and fructose. It is a stimulator of health-promoting bacterium growth in the gastrointestinal tract, used to treat chronic constipation and hepatic encephalopathy.
Lactulose is a keto analogue of lactose, a disaccharide composed of galactose and fructose. It is a stimulator of health-promoting bacterium growth in the gastrointestinal tract, used to treat chronic constipation and hepatic encephalopathy.
动物 A (mg/kg) = 动物 B (mg/kg)×动物 B的Km系数/动物 A的Km系数 | |
例如,已知某工具药用于小鼠的剂量为88 mg/kg , 则用于大鼠的剂量换算方法:将88 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到该药物用于大鼠的等效剂量44 mg/kg。
[1] Mohamed Hassan G. Dehghan,et al. Assessment of Isomalt for Colon-Specific Delivery and Its Comparison with Lactulose. AAPS PharmSciTech. 2013 Mar; 14(1): 53–59. Published online 2012 Dec 6. doi: 10.1208/s12249-012-9886-0.
[2] Ivana R. Sequeira, et al. Standardising the Lactulose Mannitol Test of Gut Permeability to Minimise Error and Promote Comparability. PLoS One. 2014; 9(6): e99256. Published online 2014 Jun 5. doi: 10.1371/journal.pone.0099256.
分子式 C12H22O11 |
分子量 342.3 |
CAS号 4618-18-2 |
储存方式 -20 ℃长期冷藏储存。冰袋运输 |
溶剂(常温) |
DMSO 70 mg/mL |
Water 70 mg/mL |
Ethanol <1 mg/mL |
体内溶解度
注:以上所有数据均来自公开文献,并不保证对所有实验均有效,数据仅供参考。
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