Vithamine A Palmitate

Litaba

• Vithamine A palmitate khahlanong le vithamine A
• Ts'ebeliso e tloaelehileng le liforomo
• Melemo e ka bang teng ea bophelo bo botle
• Retinitis pigmentosa
• Letlalo le sentsoeng ke letsatsi
• Makhopho
• Litla-morao le likotsi
• Ponahalo

Kakaretso

Vitamin A palmitate ke mofuta oa vithamine A. E fumanoa lihlahisoa tsa liphoofolo, tse kang mahe, khoho le nama ea khomo. E boetse e bitsoa preformed vithamine A le retinyl palmitate. Vitamin A palmitate e fumaneha e le tlatsetso e entsoeng. Ho fapana le mefuta e meng ea vithamine A, vithamine A palmitate ke retinoid (retinol). Li-retinoid ke lintho tse sa fumaneheng. Sena se bolela hore li kenella habonolo 'meleng ebe li sebelisoa ka nepo.

Vithamine A palmitate khahlanong le vithamine A

Vithamine A e bua ka limatlafatsi tse arotsoeng ka lihlopha tse peli tse ikhethang: li-retinoid le carotenoids.

Carotenoids ke li-pigment tse fanang ka meroho le lihlahisoa tse ling tsa limela, mebala ea tsona e khanyang. Ho fapana le li-retinoids, li-carotenoids ha li fumanehe. Pele 'mele oa hau o ka una molemo ho tsona ka phepo e nepahetseng, o tlameha ho li fetola li-retinoid. Ts'ebetso ena e kanna ea ba thata ho batho ba bang ho e etsa:

• Masea pele ho nako
• masea a tlokotsing ea lijo, le bana (ba haelloang ke phihlello ea lijo tse matlafatsang tse lekaneng)
• basali ba tlokotsing ea lijo ba nang le moimana, kapa ba anyesang (ba haelloang ke phihlello ea lijo tse matlafatsang tse lekaneng)
• batho ba nang le cystic fibrosis

Maemong a mang, liphatsa tsa lefutso le tsona li ka bapala karolo.

Mefuta eo ka bobeli ea vithamine A e thusa ho ts'ehetsa bophelo bo botle ba mahlo, bophelo bo botle ba letlalo, boits'ireletso ba mmele le bophelo ba ho ikatisa.

Ts'ebeliso e tloaelehileng le liforomo

Vitamin A palmitate e ka nkuoa ka mokhoa oa tlatsetso ho ts'ehetsa le ho boloka bophelo bo botle ba mahlo, sesole sa 'mele le bophelo bo botle ba ho ikatisa. E boetse e fumaneha ka ente, bakeng sa ba sa khoneng ho e nka ka foromo ea pilisi.

E sebelisoa khafetsa e le motsoako oa li-multivitamine, 'me e fumaneha e le eona feela motsoako oa foromo ea tlatsetso.Lisebelisoa tsena li ka ngoloa e le vithamine A e entsoeng esale pele kapa e le retinyl palmitate. Palo ea vithamine A eo sehlahisoa kapa tlatsetso e nang le eona e thathamisitsoe lethathamong la li-IU (liuniti tsa machabeng).

Vitamin A palmitate e fumaneha lihlahisoa tsa liphoofolo tsa mefuta eohle, joalo ka:

• sebete
• mahe a mahe
• litlhapi
• lihlahisoa tsa lebese le lebese
• chisi

Tsamaiso ea Tsamaiso ea Lijo le Lithethefatsi ea U.S. (FDA) e khothaletsa hore batho ba ka holimo ho lilemo tse 'ne ba je li-IU tse 5 000 tsa vithamine A lijong tse tsoang liphoofolong ka bobeli, le mehloling ea limela (li-retinoids le carotenoids).

Melemo e ka bang teng ea bophelo bo botle

Vitamin A palmitate e ithutiloe maemong a mangata mme e kanna ea ba le melemo ea bophelo bo botle libakeng tse 'maloa, ho kenyelletsa:

Retinitis pigmentosa

Liphuputso tsa bongaka tse entsoeng Harvard School of Medicine, Massachusetts Eye le Ear Infirmary li bontšitse hore kalafo e kopantsoeng le vithamine A palmitate, tlhapi e mafura le lutein, e ekelitse lilemo tse 20 tsa pono e sebetsang ho batho ba fumanoeng ba na le mafu a 'maloa a mahlo, joalo ka retinitis pigmentosa le Mefuta ea Usher syndrome 2 le 3. Barupeluoa ba fumane tlatsetso e nang le li-IU tse 15,000 tsa vithamine A palmitate letsatsi le leng le le leng.

Letlalo le sentsoeng ke letsatsi

Phuputso e tlalehiloe ho litlhahlobo tsa litlamorao tsa vithamine A palmitate, le setlolo se sebelisang oli se nang le li-antioxidants letlalong le foto. Libaka tsa 'mele tse ithutoang li kenyelletsa molala, sefuba, matsoho le maoto a tlase. Barupeluoa ba ithutoang ba fuoeng motsoako oa vithamine A palmitate, ba bonts'itse ntlafatso ea boleng ba letlalo ka bophara ho qala ka libeke tse 2, ka ntlafatso e ntseng e tsoela pele ho nyoloha ka libeke tse 12.

Makhopho

Ts'ebeliso ea lihlooho tsa lihlahisoa tsa ngaka tse nang le li-retinoid li na le ho fokotsa makhopho. Li-retinols le tsona li bontšitsoe hore li susumetsa ho feta mekhoa e meng ea kalafo ea makhopho, joalo ka tretinoin.

Ho na le bokhoni ba vithamine A palmitate ba ho tšehetsa pholiso ea leqeba le boits'ireletso ba mmele, ha e sebelisoa ka lihlooho. Ho hlokahala lipatlisiso tse eketsehileng libakeng tsena.

Litla-morao le likotsi

Vitamin A palmitate e qhibiliha mafura 'me e lula e bolokiloe liseleng tse mafura tsa' mele. Ka lebaka lena, e ka hahela maemong a holimo haholo, e baka chefo le lefu la sebete. Sena se ka etsahala haholo ka tšebeliso ea tlatsetso ho feta lijong. Batho ba nang le lefu la sebete ha baa lokela ho noa vithamine A palmitate.

Vithamine A e tlatsetsa litekanyetsong tse phahameng haholo e hokahantsoe le bofokoli ba pelehi, ho kenyelletsa le ho holofala ha mahlo, matšoafo, lehata le pelo. Ha e khothalletsoe bakeng sa bakhachane.

Batho ba nang le mefuta e itseng ea mafu a mahlo ha baa lokela ho noa li-supplement tse nang le vithamine A palpitate. Tsena li kenyelletsa:

• Lefu la Stargardt (Stargardt macular dystrophy)
• Mokokotlo oa molamu oa molamu
• Maloetse a matle ka ho fetisisa
• Maloetse a Retinal a bakoang ke liphetoho tsa mofuta oa Abca4

Lisebelisoa tsa vithamine A palpitate le tsona li ka kena-kenana le meriana e itseng. Buisanang ka ts'ebeliso ea eona le ngaka ea hau, kapa setsebi sa metsoako haeba hona joale u noa meriana ea ngaka, e kang e sebelisetsoang psoriasis, kapa meriana efe kapa efe e sebetsoang sebeteng. Meriana e meng e rekisoang le eona e ka haneloa, joalo ka acetaminophen (Tylenol).

Ponahalo

Lisebelisoa tsa vithamine A palpitate ha lia lokela motho e mong le e mong, joalo ka bakhachane le ba nang le lefu la sebete. Leha ho le joalo, li bonahala li le molemo maemong a itseng, joalo ka retinitis pigmentosa. Ho ja lijo tse nang le vithamine A palpitate ho bolokehile ebile ho phetse hantle. Ho noa li-supplement ho ka ba bothata maemong a phahameng haholo. Bua le ngaka ea hau ka ts'ebeliso ea hau ea sena kapa tlatsetso efe kapa efe.