| 单词 |
digitonin |
| 释义 |
digitonin
digitonin (ˌdɪdʒɪˈtəʊnɪn) na type of glycoside obtained from the foxglove (Digitalis purpurea), used as a cleansing agentDigitonin
digitonin[‚dij·ə′tō·nən] (pharmacology) C41H64O13 A glycoside derived from the purple foxglove plant (Digitalis purpurea); a white powder melting at 255-256°C; used as a medicine for cardiac conditions. Digitonin a steroid saponin with surface-active properties; it is used to separate enzymes. It causes mitochondria to decompose into protein complexes that participate in conjugated enzyme processes not observed in mixtures of isolated enzymes. digitonin
dig·i·to·nin (dij'i-tō'nin), 1. A steroid glycoside obtained from Digitalis purpurea that has no cardiac action; used as a reagent in the determination of plasma cholesterol and steroids having a 3-hydroxyl group in beta configuration. 2. A mixture of four different steroids found in the seeds of Digitalis purpurea; a strong hemolytic poison. They can act as nonionic detergents in the solubilization of membrane proteins. Synonym(s): digitin |
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