Ngokokuqala ngqá, uvithamini D2 wahlanganiswa namafutha e-cod ngo-1921 ngesikhathi kuseshwa i-panacea yama-rickets, ngemuva kwesikhashana bafunda ukuyithola emafutheni omifino, ngaphambili babecubungule lokhu ngokukhanya kwe-ultraviolet.
I-Ergocalciferol yakhiwa ngochungechunge olude lokuguqulwa, indawo yokuqala okuyiyona nto i-ergosterol, engatholwa kuphela kwisikhunta nemvubelo. Ngenxa yenguquko ende enjalo, kwakhiwa izinto eziningi ezingekho emthethweni - imikhiqizo yokubola, okuthi uma kwenzeka ivithamini eyeqile ibe yingozi.
I-Ergocalciferol iyimpuphu ecwebezelayo engenambala futhi engenaphunga. Le nto ayincibiliki emanzini.
I-Vitamin D2 isiza ukumuncwa kwe-calcium ne-phosphorus, futhi isebenza njenge-hormone, ngokusebenzisa ama-receptors athinta ukusebenza kwezitho zangaphakathi.
I-Vitamin D2 iyancibilika ngamafutha futhi ivame ukutholakala ngefomu le-capsule form. Ikhuthaza ukumuncwa kwe-phosphorus ne-calcium emathunjini amancane, kubasakaze ezindaweni ezingekho zomzimba wethambo.
Izinzuzo zomzimba
I-Ergocalciferol ibhekele kakhulu ukumuncwa kwe-phosphorus ne-calcium emzimbeni. Ngaphezu kwalokho, ivithamini inezinye izinto eziningi ezibalulekile:
- ilawula ukwakheka okulungile kwamathambo amathambo;
- yenza kusebenze ukuhlanganiswa kwamaseli omzimba;
- ilawula ukukhiqizwa kwamahomoni we-adrenal gland, i-thyroid gland ne-pituitary gland;
- kuqinisa imisipha;
- iqhaza amaprotheni, amafutha kanye carbohydrate umzimba;
- inezici ze-antioxidant;
- normalizes umfutho wegazi;
- igcina ukukhiqizwa kwe-insulin kulawulwa;
- kunciphisa ingozi yomdlavuza wendlala yesinye.
© timonina - stock.adobe.com
Izinkomba zokusetshenziswa
I-Ergocalciferol inqunywe njenge-prophylaxis yamarikethi ezinganeni. Izinkomba zokuyithatha yizifo ezilandelayo:
- i-osteopathy;
- imisipha dystrophy;
- izinkinga zesikhumba;
- i-lupus;
- isifo samathambo;
- isifo samathambo;
- hypovitaminosis.
I-Vitamin D2 inegalelo ekuphulukisweni kokuqala kokuphuka, ukulimala kwezemidlalo, kanye nezibazi zangemva kokuhlinzwa. Kuthathwa ukuthuthukisa ukusebenza kwesibindi, ukunciphisa izimpawu zokuya esikhathini, ukuphazamiseka kwegilo, kanye nokuthambekela kokukhuphuka kwamazinga kashukela egazini.
Izidingo zomzimba (imiyalelo yokusetshenziswa)
Izinga lokusetshenziswa kwansuku zonke lincike eminyakeni yobudala, izimo zokuphila, kanye nesimo sempilo yomuntu. Abesifazane abakhulelwe badinga inani elincane levithamini, kanti abagijimi asebekhulile noma abangochwepheshe badinga imithombo eyengeziwe.
| Ubudala | Isidingo, IU |
| Izinyanga ezi-0-12 | 350 |
| Uneminyaka engu-1-5 ubudala | 400 |
| Uneminyaka engu-6-13 ubudala | 100 |
| Kuze kube yiminyaka engama-60 | 300 |
| Ngaphezulu kweminyaka engama-60 ubudala | 550 |
| Abesifazane abakhulelwe | 400 |
Ngesikhathi sokukhulelwa, ivithamini kufanele isetshenziswe ngokuqapha okukhulu, ngoba iyakwazi ukungena kwi-placenta futhi ibe nomthelela omubi ekukhuleni kombungu.
Ngesikhathi sokuncelisa, njengomthetho, ukwengezwa okwengeziwe kwamavithamini akubekiwe.
Izimo
Izengezo ze-Ergocalciferol akufanele zithathwe uma:
- Isifo esibucayi sesibindi.
- Izinqubo zokuvuvukala nezifo ezingapheli zezinso.
- I-Hypercalcemia.
- Izinhlobo ezivulekile zesifo sofuba.
- Isilonda emathunjini.
- Izifo zenhliziyo.
Abesifazane abakhulelwe kanye nabantu asebekhulile kufanele bathathe kuphela isengezo ngaphansi kokuqondisa kwezokwelapha.
Okuqukethwe ekudleni (imithombo)
Ukudla kuqukethe amanani amancane kavithamini, ngaphandle kwezinhlanzi zasolwandle ezijulile ezinhlobonhlobo ezinamafutha, kepha akufakiwe ekudleni nsuku zonke. Amavithamini amaningi we-D angena emzimbeni ekudleni okubalwe ngezansi.
| Imikhiqizo | Okuqukethwe ngo-100 g (mcg) |
| Amafutha wezinhlanzi, isibindi se-halibut, isibindi se-cod, i-herring, i-mackerel, i-mackerel | 300-1700 |
| I-salmon ekheniwe, amahlumela e-alfalfa, isikhuphasha seqanda lenkukhu | 50-400 |
| Amaqanda ebhotela, inkukhu kanye nesigwaca, iparsley | 20-160 |
| Ingulube yesibindi, inyama yenkomo, ukhilimu omuncu wasepulazini, ukhilimu, ubisi, uwoyela wommbila | 40-60 |
Kumele kukhunjulwe ukuthi i-vitamin D2 ayikubekezeleli ukushisa okude noma ukucubungula amanzi, ngakho-ke kunconywa ukupheka imikhiqizo equkethe, ukhetha izindlela zokupheka ezisheshayo, isibonelo, ukubhaka ku-foil noma ku-steaming. Ukuqandeka akukunciphisi ngokujulile uvithamini, into esemqoka ukuthi ukudla kungaphanjiswa ngokucijiswa ngokungacwiliswa ngokushesha emanzini abilayo.
© alfaolga - stock.adobe.com
Ukusebenzisana nezinye izinto
I-Vitamin D2 ihamba kahle ne-phosphorus, i-calcium, i-vitamin K, i-cyanocobalamin. Kuvimbela ukungena kwamavithamini A no-E.
Ukuthatha ama-barbiturates, i-cholestyramine, i-colestipol, i-glucocorticoids, imishanguzo yokulwa nesifo sofuba iphazamisa ukumuncwa kwevithamini.
Ukwamukelwa ngokuhlanganyela nezidakamizwa eziqukethe iodine kungaholela ezinqubweni ze-oxidative ezibandakanya i-ergocalciferol.
I-D2 noma i-D3?
Ngaphandle kokuthi womabili amavithamini angamalungu eqembu elifanayo, isenzo sabo nezindlela zabo zokwenza amagama zihluke kakhulu.
IVitamin D2 ihlanganiswa kuphela nesikhunta nemvubelo; ungakuthola ngokwanele kuphela ngokudla kokudla okuqinile. UVitamin D3 uyakwazi ukuhlanganiswa ngumzimba uwedwa. Le nqubo ihlala isikhathi esifushane, ayihlali isikhathi eside, ngokungafani nokwenziwa kukavithamini D2. Izigaba zokuguqulwa kwalezi zakamuva zinde kangangokuba, njengoba kutholakala, kwenziwa imikhiqizo yokubola enobuthi, hhayi i-calcitriol, evimbela ukwakheka kwamangqamuzana omdlavuza, njengasesikhathini sokuwohloka kukavithamini D3.
Ukuvimbela ama-rickets nokuqinisa amathambo, kunconywa ukuthatha i-vitamin D3 ngenxa yokuphepha nokufakwa kwayo ngokushesha.
Izithako ze-Vitamin D2
| Igama | Umkhiqizi | Ifomu lokukhishwa | Isikali (gr.) | Indlela yokwamukela | intengo, hlikihla. |
| I-Deva Vitamin D vegan | I-DEVA | Amaphilisi angama-90 | 800 IU | 1 ithebhulethi ngosuku | 1500 |
| Ukusebenza kahle kukaVitamin D | ManjeFoods | Amaphilisi ayi-120 | I-1000 IU | Iphilisi elilodwa ngosuku | 900 |
| I-Bone-Up neCalcium Citrate | I-JarrowFormula | Amaphilisi ayi-120 | I-1000 IU | Amaphilisi amathathu ngosuku | 2000 |
