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- 库存:
现货
- 供应商:
广州市左克生物
- 规格:
10 mg/100 mg/200 mg/25 mg/5 mg/50 mg
| 规格: | 10 mg | 产品价格: | ¥182.0 |
|---|---|---|---|
| 规格: | 100 mg | 产品价格: | ¥944.0 |
| 规格: | 200 mg | 产品价格: | ¥1424.0 |
| 规格: | 25 mg | 产品价格: | ¥370.0 |
| 规格: | 5 mg | 产品价格: | ¥111.0 |
| 规格: | 50 mg | 产品价格: | ¥596.0 |
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文献和实验磷酸酯 phosphoric acid ester,phosphoric ester
磷酸结合在醇羟基上的化合物。磷酸因为是三碱基酸,可能有单酯、二酯、三酯三种,在生物体内存在着前二种。作为生物成分,或代谢中间产物可广泛见到。核酸、磷脂质是二酯形式。糖的酯是糖代谢的中间产物,核苷酸是核苷的磷酸酯。
fractions of water extract from the root of Adina rubelle Hance. [Method] By systematic solvent extraction, the root was boiled by distilled water, then extracted with Chloroform, acetic ester and butayl alcohol respectively, then analyzed by GC�MS. [Results
海南裂叶山龙眼叶超临界提取物化学成分的气相色谱―质谱联用分析
, the contents of 3 compounds were over 20% . The main constituents in extracts were Bis(2-ethylhexyl) phthalate (21.51%), Nonacosane (25.73%), Stigmastan-3,5-dien (25.73%). ConclusionThere are ester, hydrocarbon and steroid in the constituents extracted
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