生物活性
Betaine is a non-essential nutrient and a source of hydrochloric acid, a naturally occurring chemical in the stomach that helps digest food by breaking up fats and proteins. In particular, Betaine is necessary for adequate absorption of protein, calcium, vitamin B12 and iron. It is also known as hydrochloric acid and stomach acid. The low pH of the stomach’s hydrochloric acid also destroys ingested bacteria and microorganisms. Besides, the addition of betaine to polymerase chain reactions improves the amplification of DNA by reducing the formation of secondary structure in GC-rich regions. The addition of betaine has been reported to enhance the specificity of the polymerase chain reaction by eliminating the base pair composition dependence of DNA melting.
化学数据
| 分子量 | 153.61 |
| 分子式 | C5H11NO2.HCl |
| CAS号 | 590-46-5 |
| 纯度 | >98% |
| 溶解性（25°C） | DMSO |
| 储存和运输条件 | 固体粉末： -20°C 冷藏长期储存
常温运输及临时存放 |
不同实验动物依据体表面积的等效剂量转换表（数据来源于FDA指南）
| 小鼠 | 大鼠 | 兔 | 豚鼠 | 仓鼠 | 狗 |
| 重量 (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| 体表面积 (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km系数 | 3 | 6 | 12 | 8 | 5 | 20 |
| 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，依据体表面积折算法，将化合物用于小鼠的剂量20 mg/kg 换算成大鼠的剂量，需要将20 mg/kg 乘以小鼠的Km系数（3），再除以大鼠的Km系数（6），得到化合物用于大鼠的等效剂量为10 mg/kg。
储备液配制
以下数据基于产品分子量，对于特殊产品，请参照COA中的储备液配制条件和说明进行操作。
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|
| 1 mM | 6.51 mL | 32.55 mL | 65.0999 mL |
| 5 mM | 1.302 mL | 6.51 mL | 13.02 mL |
| 10 mM | 0.651 mL | 3.255 mL | 6.51 mL |
m.cnreagent.com