Vitamin D2 | 50-14-6
IiNkcazo zeeMveliso
I-Vitamin D (i-VD ngokufutshane) yivithamini enyibilikayo ngamafutha. Eyona nto ibalulekileyo yi-vitamin D3 kunye ne-D2. I-Vitamin D3 yenziwa yimitha ye-ultraviolet ye-7-dehydrocholesterol eluswini lomntu, kwaye i-vitamin D2 yenziwa yimitha ye-ultraviolet ye-ergosterol equlethwe kwizityalo okanye igwele. Umsebenzi oyintloko we-vitamin D kukukhuthaza ukuxutywa kwe-calcium kunye ne-phosphorus ngamaseli amancinci e-intestinal mucosal, ngoko inokunyusa i-calcium yegazi kunye ne-phosphorus concentration, ehambelana nokwakhiwa kwamathambo amatsha kunye nokubala.
Inkcazo
| IZINTO | INGCACISO |
| Imbonakalo | Zifezekise imfuneko |
| Ukuchongwa | Zifezekise imfuneko |
| Uviwo | Dibanisa i-10mg ye-vitamin D2 kwi-2ml ye-90% ye-ethanol, yongeza i-2ml isisombululo se-digitalis saponin kwaye ufukamele iiyure eziyi-18. Akukho zimvula okanye ilifu kufuneka lijongwe. |
| Uluhlu olunyibilikayo | 115 ~ 119°C |
| Ukujikeleziswa okuthe ngqo | +103°~+106 |
| Ukunyibilika | Inyibilika ngokukhululekileyo etywaleni |
| Ukunciphisa Izinto | Ubukhulu be-20ppm |
| Ergosterol | akukho nanye |
| Ukungcola kokuguquguquka kwezinto eziphilayo | Iyahambelana kusetyenziswa indlela IV(467) |
