Vithamine D ke motsoako oa bohlokoa o laolang liketso tse 'maloa tsa' mele oa metsoako. Vithamine D e hlahisoa likarolong tse tebileng tsa letlalo ho sebelisa matla a tsoang khanya ea letsatsi. Hobane 'mele o ka etsa vithamine D, ha e nkoe e le "limatlafatsi" tse hlokahalang, le hoja karolo e kholo ea vithamine D e hlokahalang ke' mele oa motho e tsoa lijong.
Vithamine D, e sebetsang le hormone ea parathyroid, e na le boikarabelo ba ho laola khalsiamo le phosphorus maling. Vithamine D e boetse e khothalletsa ho thehoa ha mesifa ea masapo 'me e tsejoa e le ho susumetsa tlhahiso ea lisele masole a' mele.
Phuputso e ntseng e hōla e fana ka maikutlo a hore vithamine D e ka boela ea kenya letsoho ho laola melao ea khatello ea mali le bophelo bo botle ba pelo . Ka mohlala, ho tsejoa hore maemo a phahameng a mali a eketseha nakong ea mariha le libakeng tse ling tse tsoang ho equator - ka bobeli ke maemo a fokolang a letsatsi a etsang hore tlhahiso ea vithamine D e fokotsehe.
Na vithamine D e ka Thibela Khanyetso e Phahameng ea Mali?
Mohlomong - bopaki ha bo hlakile hantle. Le hoja karolo ea vithamine D ea khatello ea mali le bophelo ba pelo e 'nile ea e-ba lipatlisiso tse ngata ho tloha bonyane bohareng ba lilemo tsa bo-1980, liqeto tsa lipatlisiso li thata ho li hlalosa.
Le hoja ho tsejoa hore methapo ea mali le pelo li na le lenane le leholo la li-vitamin D-receptors - e leng se bolelang hore vithamine D e fana ka ts'ebetso e itseng ho laola lintlha tsena - ho lemoha hore na li-receptors tsena li etsa eng e le boima. Lithuto ka ketso ea vithamine D ka linako tse ling li bonahala li hanyetsana, 'me ka linako tse ling li fana ka lintlha tse ke keng tsa hlalosoa ka nepo.
Phuputso e 'ngoe e fumane hore ho fana ka vithamine D ho batho ba baholo ba nang le khatello e phahameng ea mali ho bakile khatello ea mali ea systolic le khatello ea mali ea diastolic hore e fokotsehe. Thuto e tšoanang e ile ea boela ea fumana hore ho fana ka vithamine D le calcium hammoho ho bile ho fokotseha ho hoholo ho khatello ea mali ea systolic le diastolic . Dintlha tsena li bonts'a hore vithamine D le khalsiamo ka tsela e itseng li sebetsa hammoho ho baka ho fokotseha ha khatello ea mali le hore likaroloamo tse phahameng li khothalletsa khatello ea mali ea ho fokotsa likarolo tsa vithamine D. Leha ho le joalo, ho makatsang ha lihlopha tsa thuto li hlahlojoa ka hloko, li fumanoe hore sena se sebetsa feela ho batho ba neng ba e-na le maemo a phahameng a khalsiamo ho qala. Batho ba neng ba e-na le likaroloana tse tlaase qalong, ha ho na vithamine D kapa vithamine D hammoho le calciamo e neng e sebetsa haholo ho fokotsa khatello ea mali.
Liphuputso tsena li entsoe le ho ferekanngoa le ho feta ke thuto ea morao-rao e neng e bonahala e bontša hore likaroloamo tse phahameng li ka amahanngoa le kotsing ea ho ba le mathata a pelo, ho akarelletsa le khatello e phahameng ea mali. Phuputso ena e ile ea hlahloba sehlopha sa bakuli ba maemo a itekanetseng 'me ea fumana hore mahlakore a khalsiamo, litekanyetso tsa tsoekere le li- cholesterol li ne li bonahala li phahama.
Ke hore, batho ba nang le k'holeseterole e phahameng -ea bohlokoa ea kotsi ea pelo - e boetse e bonahala e e-na le likarolo tse phahameng tsa khalsiamo. Thuto e tšoanang e boetse e bontšitse hore ho na le kamano pakeng tsa khalsiamo e phahameng le khatello e phahameng ea mali. Ha lik'halsiamo li ntse li eketseha, khatello ea mali e ne e atisa ho phahama.
Ho nahana ka lithuto tsena tse peli hammoho ke mohlala o motle oa hore na ke hobane'ng ha setšoantšo sa vithamine D se ntse se sa hlaka. Haeba mahlaseli a phahameng a khalsiamo a amahanngoa le khatello e phahameng ea mali , joale ke hobane'ng ha u fa batho ba nang le khatello e phahameng ea mali, le ho feta, khalsiamo (hammoho le vithamine D) e bakang khatello ea mali?
Morao tjena, bafuputsi ba khonne ho kopanya likarabo tse ling lipotsong tsena tse makatsang.
Boitsebiso bo bonahalang bo hanyetsanoa bo fumanoang liphuputsong tse ngata tsa vithamine D e ka 'na ea e-ba lebaka la mosebetsi o fetotsoeng oa liphio. Phuputso e 'ngoe ea bohlokoa e bontšitse hore liketso tsa vithamine D li bonahala li fetoha ho thehiloe mosebetsing oa liphio le liketso tsa tsamaiso ea renin-angiotensin . Kaha batho ba nang le khatello e phahameng ea mali ba ka 'na ba fetola mosebetsi oa liphio,' me ba ka 'na ba e-ba le tsamaiso ea renin-angiotensin e sa sebeliseng, lipatlisiso tsa pejana li ka' na tsa se ke tsa hanyetsoa ho hang.
Le hoja ho hlakile hore vithamine D e phetha karolo e itseng ho laola khatello ea mali, le hore batho ba nang le vithamine D e tlaase ba ka ba le mathata a pelo, boemo bo nepahetseng ba likamano tsena tse rarahaneng li tlameha ho etsoa pele setšoantšo e phethehile.
Na ke Lokela ho Nka Lijoana tsa Vithamine D tsa Molomo?
Che. Ha ho na bopaki bo bontšang hore molomo oa vithamine D oa tlatsetso o fana ka tšireletso efe kapa efe khahlanong le khatello e matla ea mali kapa lefu la pelo. Bopaki bo ho fihlela hona joale bo bontša hore li-vitamin D tsa lijo li lekane ho qoba maemo a "tlase a vithamine" a 'nileng a amahanngoa le lefu lena. Bakeng sa batho ba tloaelehileng, ba phetseng hantle, phepo e nepahetseng e ka fana ka vithamine D. Ho batho ba nang le bofokoli bo nang le vithamine D bo ka 'nang ba hloka tlatsetso ea molomo, empa sena hase sa mabaka a pelo.
Litefiso tsa letsatsi le letsatsi tsa vithamine D ke:
- E monyenyane ho feta 50: micrograms / 200IU
- 50-70 le lilemo li 10 micrograms / 400IU
- Lilemo tse fetang 70 tsa lilemo: micrograms tse 15 / 600IU
Lijo tse ntle tsa lijo tsa vithamine D ke life?
Vithamine D e fumanoa lijong tse ngata, 'me lihlahisoa tse ngata tse tloaelehileng tsa lijo li "ruisoa" ka vithamine D. Mefuta, lijo-thollo le phofo ea ho baka ke lihlahisoa tsohle tse nang le vithamine "e ekelitsoeng" D. Tse ling tsa mehloli e ntle ea vithamine D li kenyelletsa:
- Salmon 4oz: 400UU
- Lebese la 1cup: 50-75IU
- Tuna 3oz: 200IU
- Lihe: 20UU ka 'ngoe
- Li-mushroom 3oz (senoelo sa halofo): 2700IU (manyolo, a tšoaroa ke UV)
Lijo tsena kaofela ke karolo ea phepo e nepahetseng le e leka-lekaneng.
Lisebelisoa
Lind, L, Wengle, B, Wide, L, et al. Ho fokotsa khatello ea mali nakong ea phekolo ea nako e telele Le mavithamine a mahlahahlaha (Alphacalcidol) E itšetlehile ka Plasma Renin Boemo le boemo ba Calcium. Thuto e laoloang ke Li-Blind, Li-Placebo. Am J Hypertens 1989; 2:20.
Pfeifer, M, Begerow, B, Minne, HW, et al. Liphello tsa Vithamine D 3 ea nako e khutšoane le Calcium Supplementation mabapi le khatello ea mali le litekanyo tsa Horathy molemong oa Basali ba Hōlileng. J Clin Endocrinol Metab ka 2001; 86: 1633.
Thomas J. Wang, et al. Ho haelloa ke vithamine D le kotsi ea mafu a pelo. Tsamaiso ea maoto Jan 2008; doi: 10.1161 / CIRCULATIONAHA.107.706127