Vitamin D2 | 50-14-6
Incazelo Yemikhiqizo
I-Vitamin D (i-VD kafushane) iyivithamini encibilika ngamafutha. Okubaluleke kakhulu i-vitamin D3 ne-D2. I-Vitamin D3 yakhiwa imisebe ye-ultraviolet ye-7-dehydrocholesterol esikhumbeni somuntu, futhi uvithamini D2 wakhiwe ngemisebe ye-ultraviolet ye-ergosterol equkethwe ezitshalweni noma imvubelo. Umsebenzi oyinhloko kavithamini D ukukhuthaza ukumuncwa kwe-calcium ne-phosphorus ngamangqamuzana amancane e-mucosal emathunjini, ngakho-ke ingakhuphula ukuhlushwa kwe-calcium ne-phosphorus egazini, ekhuthaza ukwakheka kwamathambo amasha nokubala.
Ukucaciswa
| IZINTO | INKCAZO |
| Ukubukeka | Hlangana nemfuneko |
| Ukuhlonza | Hlangana nemfuneko |
| Ukuhlola | Chaza u-10mg kavithamini D2 ube ngu-2ml ka-90% we-ethanol, engeza isixazululo esingu-2ml se-digitalis saponin bese ufukamela amahora angu-18. Akukho mvula noma ifu okufanele libonwe. |
| Ibanga elincibilikayo | 115 ~ 119°C |
| Ukuzungezisa okuqondile | +103°~+106 |
| Ukuncibilika | Incibilika ngokukhululekile otshwaleni |
| Ukunciphisa Izinto | Ubukhulu 20ppm |
| I-Ergosterol | akukho |
| Ukungcola Kwezinto Ezinyakazayo | Ihambisana kusetshenziswa indlela IV(467) |
