| Sterol |
| LIPID_ID | ST0385 |
| CHEM_NA | O-β-D-GLUCOPYRANOSYL-(1→2GLC1)-O-β-D- |
| XYLOPYRANOSYL-(1→3GLC1)-O-β-D-GLUCOPYR |
| ANOSYL-(1→4)-O-β-D-GALACTOPYRANOSYL |
| 25D,5α-SPIROSTANE-2α,3β-DIOL(GITOGENIN |
| β-LYCOTETRAOSIDE) |
| COMMON_NA | F-GITONIN,GITOGENIN,β-LYCOTETRAOSIDE |
| MOL_FORMULA | C50H82O23 |
| MOL_WT | 1050 |
| MELT_PT | 252-255ﾟC(DECOMP.)(855), 251-255ﾟC(DEC.)(856) |
| BOIL_PT |
| OPT_ROT | [α]25/D=-58.5ﾟ(C=0.53 in PYRIDINE)(855) |
| [α]28/D=-66ﾟ(C=0.50 in PYRIDINE)(856) |
| REFRA_IND |
| DENSITY |
| SOLUBILITY |
| UV_SPEC |
| IR_SPEC | νmax : 862, 898, 924, and 982cm-1(INTENSITY |
| 898>924)(856) |
| NMR_SPEC |
| MS_SPEC |
| NOTE_SPEC |
| SOURCE | ・植物｡ |
| ・Digitalis purpurea |
| L.,Scrophulariaceae(ゴマノハグサ科)の葉から抽出され |
| BIOL_ACTIV | ・強心薬として利用される｡ (855) |
| NOTE | 分子量 1051.21 |
| TLCで純粋｡ |
| C50H82O23･2H2O(Gitogenin+3hexose+pentose,dihyd |
| rate),D-Glucose, D-Galactose, D-Xylose = |
| 2.1:1.0:1.0｡ |
| アグリコンはMeOHで結晶化し, m.p.275-278ﾟで, |
| Gitogenin と同一であった｡ (855/315) |
| 1998年7月17日 | 484 / 486 ページ |