Vitamin D2 | 50-14-6
Nkọwa ngwaahịa
Vitamin D (VD maka mkpụmkpụ) bụ vitamin na-agbaze abụba. Ihe kachasị mkpa bụ vitamin D3 na D2. A na-emepụta vitamin D3 site na ultraviolet radieshon nke 7-dehydrocholesterol na akpụkpọ ahụ mmadụ, na vitamin D2 na-etolite site na ultraviolet radieshon nke ergosterol dị na osisi ma ọ bụ yist. Isi ọrụ nke vitamin D bụ ịkwalite nnabata nke calcium na phosphorus site na obere sel mucosal nke eriri afọ, ya mere ọ nwere ike ime ka calcium na phosphorus dị n'ọbara dịkwuo elu, nke na-eme ka ọkpụkpụ na-emepụta ọkpụkpụ ọhụrụ na calcification.
Nkọwapụta
| NGWA | Nkọwapụta |
| Ọdịdị | Zute ihe achọrọ |
| njirimara | Zute ihe achọrọ |
| Nyocha | Igbari 10mg nke vitamin D2 n'ime 2ml nke 90% ethanol, tinye 2ml ngwọta nke digitalis saponin na incubate maka awa 18. Enweghị mmiri ozuzo ma ọ bụ igwe ojii ekwesịghị ịhụ. |
| Oke agbaze | 115 ~ 119 Celsius C |
| Ntụgharị akọwapụtara | +103°~+106 |
| Solubility | Na-aṅụ mmanya na-aba n'anya kpamkpam |
| Mbelata Ihe | Oke 20ppm |
| Ergosterol | onweghi |
| Organic Volatility adịghị ọcha | Dakọtara na iji usoro IV(467) |
