Kwa nthawi yoyamba, vitamini D2 idapangidwa kuchokera ku mafuta amtundu wa cod mu 1921 pakufunafuna njira yothetsera ma rickets, patapita kanthawi adaphunzira kuyipeza kuchokera ku mafuta azamasamba, atawakonza kale ndi kuwala kwa ultraviolet.
Ergocalciferol imapangidwa ndi kusintha kwakanthawi kotalika, komwe kumayambira ndi chinthu cha ergosterol, chomwe chingapezeke kuchokera ku bowa ndi yisiti. Chifukwa cha kusintha kwakanthawi kotere, zinthu zambiri zimapangidwa - zinthu zowola, zomwe, zikawonjezera mavitamini, zimatha kukhala zowopsa.
Ergocalciferol ndi ufa wonyezimira wopanda mtundu komanso wopanda fungo. Katunduyu samasungunuka m'madzi.
Vitamini D2 imathandizira kuyamwa kwa calcium ndi phosphorous, komanso imakhala ngati hormone, kudzera mu zolandilira zomwe zimakhudza kugwira ntchito kwa ziwalo zamkati.
Vitamini D2 imasungunuka mafuta ndipo imakonda kupezeka mu kapisozi wamafuta. Imalimbikitsa kuyamwa kwa phosphorous ndi calcium kuchokera m'matumbo ang'onoang'ono, kumawapereka kumadera osowa a mafupa.
Maubwino amthupi
Ergocalciferol makamaka amachititsa kuyamwa kwa phosphorous ndi calcium m'thupi. Kuphatikiza apo, vitamini ili ndi zinthu zina zingapo zofunika:
- amawongolera mapangidwe olondola a mafupa;
- imayendetsa kaphatikizidwe ka maselo amthupi;
- amawongolera kupanga mahomoni a adrenal gland, chithokomiro ndi chithokomiro;
- kumalimbitsa minofu;
- nawo mapuloteni, mafuta ndi zimam'patsa kagayidwe;
- ali antioxidant katundu;
- normalizes kuthamanga kwa magazi;
- amasunga kupanga insulin;
- amachepetsa chiopsezo cha khansa ya prostate.
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Zikuonetsa ntchito
Ergocalciferol imaperekedwa ngati njira yothandizira ma rickets mwa ana. Zizindikiro zakutenga ndi matenda otsatirawa:
- kufooka kwa mafupa;
- kufooka kwa minofu;
- mavuto a khungu;
- lupus;
- nyamakazi;
- matenda a misempha;
- hypovitaminosis.
Vitamini D2 imalimbikitsa kuchira koyambirira kwa zophulika, kuvulala pamasewera, ndi zipsera pambuyo pa opaleshoni. Zimatengedwa kuti zipangitse chiwindi kugwira ntchito, kuti zithetse matenda am'thupi, matenda a chithokomiro, komanso kuti chiwonjezeko cha shuga m'magazi chiwonjezeke.
Zosowa za thupi (malangizo ake)
Zakudya zamasiku onse zimadalira zaka, malo okhala, komanso thanzi la munthu. Amayi apakati amafunikira mavitamini ochepa, ndipo okalamba kapena akatswiri othamanga amafunikira zowonjezera zowonjezera.
| Zaka | Zosowa, IU |
| Miyezi 0-12 | 350 |
| Zaka 1-5 | 400 |
| Zaka 6-13 | 100 |
| Mpaka zaka 60 | 300 |
| Oposa zaka 60 | 550 |
| Amayi apakati | 400 |
Pakati pa mimba, vitamini iyenera kugwiritsidwa ntchito mosamala kwambiri, chifukwa imatha kulowa mu placenta ndikuwononga kukula kwa mwana wosabadwayo.
Pa nthawi yoyamwitsa, monga lamulo, mavitamini owonjezera samaperekedwa.
Zotsutsana
Mankhwala a Ergocalciferol sayenera kutengedwa ngati:
- Matenda akulu a chiwindi.
- Njira zotupa ndi matenda a impso.
- Matenda a Hypercalcemia.
- Mitundu yotseguka ya chifuwa chachikulu.
- Zilonda zam'mimba.
- Matenda amtima.
Amayi apakati ndi okalamba ayenera kumangotenga zowonjezerazo moyang'aniridwa ndi azachipatala.
Zolemba pazakudya (magwero)
Zakudya zimakhala ndi mavitamini ochepa, kupatula nsomba zam'madzi akuya zamitundu yambiri, koma sizimaphatikizidwa pazakudya tsiku lililonse. Mavitamini ambiri a D amalowa m'thupi kuchokera kuzakudya zomwe zili pansipa.
| Zamgululi | Zolemba mu 100 g (mcg) |
| Mafuta a nsomba, chiwindi cha halibut, chiwindi cha cod, hering'i, mackerel, mackerel | 300-1700 |
| Nsomba zamzitini, nyemba zimamera, nkhuku dzira yolk | 50-400 |
| Mabotolo, nkhuku ndi zinziri mazira, parsley | 20-160 |
| Chiwindi cha nkhumba, ng'ombe, kirimu wowawasa, kirimu mkaka, mafuta a chimanga | 40-60 |
Tiyenera kukumbukira kuti vitamini D2 siyimalekerera kutentha kwanthawi yayitali kapena kukonza madzi, chifukwa chake tikulimbikitsidwa kuphika mankhwala ndi zomwe zili, posankha maphikidwe ofulumira kwambiri, mwachitsanzo, kuphika kapena kujambula. Kuzizira sikuchepetsa kwambiri mavitamini, chinthu chachikulu sikuti chakudya chiwonongeke pakulowetsa ndipo osachizika nthawi yomweyo m'madzi otentha.
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Kuyanjana ndi zinthu zina
Vitamini D2 imayenda bwino ndi phosphorous, calcium, vitamini K, cyanocobalamin. Zimalepheretsa kupezeka kwa mavitamini A ndi E.
Kutenga barbiturates, cholestyramine, colestipol, glucocorticoids, mankhwala a chifuwa chachikulu kumachepetsa kuyamwa kwa vitamini.
Kulandila pamodzi ndi mankhwala okhala ndi ayodini kumatha kubweretsa njira zowonjezera zowonjezera za ergocalciferol.
D2 kapena D3?
Ngakhale mavitamini onsewa ali mgulu limodzi, machitidwe awo ndi njira zawo zophatikizira ndizosiyana pang'ono.
Vitamini D2 imapangidwa kuchokera ku bowa ndi yisiti; mumatha kuipeza pokhapokha mutadya zakudya zolimba. Vitamini D3 imatha kupangidwa ndi thupi lokha. Izi zimachitika kwakanthawi, osakhalitsa, mosiyana ndi kaphatikizidwe ka vitamini D2. Magawo amasinthidwe omaliza ndi otalika kwambiri kotero kuti, monga momwe amadziwira, zopangidwa ndi poizoni zimapangidwa, osati calcitriol, yomwe imalepheretsa kupangika kwa maselo a khansa, monga nthawi ya kuwonongeka kwa vitamini D3.
Pofuna kupewa ma rickets ndikulimbitsa mafupa, tikulimbikitsidwa kutenga vitamini D3 chifukwa chachitetezo chake komanso kuyamwa mwachangu.
Vitamini D2 Zowonjezera
| Dzina | Wopanga | Fomu yotulutsidwa | Mlingo (g.) | Njira yolandirira | mtengo, pakani. |
| Msuzi wa Deva Vitamini D | DEVA | Mapiritsi 90 | 800 IU | Piritsi 1 patsiku | 1500 |
| Vitamini D Kuchita bwino kwambiri | Zakudya Zamakono | Makapisozi 120 | 1000 IU | 1 kapisozi patsiku | 900 |
| Bone-Up ndi Calcium Citrate | Mafilimu | Makapisozi 120 | 1000 IU | Makapisozi 3 patsiku | 2000 |
