Amavuta ya Vitamine E: “Umurinzi uhamye” mu rwego rwo kurwanya Oxidation

●NikiAmavuta ya Vitamine E.?

Amavuta ya Vitamine E, izina ryimiti tocopherol, ni itsinda ryibintu bivamo amavuta (harimoα, β, γ, δ tocopherol), muri byoα-tocopherol ifite ibikorwa biologiya bihanitse.

Ibintu nyamukuru biranga amavuta ya vitamine E biva muburyo bwihariye bwa molekile:

Inzira ya molekulari: C.₂₉H₅₀O₂, irimo impeta ya benzodihydropyran hamwe numuyoboro wa hydrophobique;

Imiterere yumubiri:

Kugaragara: umuhondo wicyatsi kibisi kugeza umuhondo wijimye wijimye, hafi nta mpumuro nziza;

Gukemura: kudashonga mumazi, gushonga byoroshye mumashanyarazi kama nka Ethanol, ether, namavuta yibimera;

Guhagarara no kwiyumvisha ibintu:

Ubushyuhe bwo hejuru burwanya (nta kubora kuri 200℃), ariko gahoro gahoro okiside kandi igahindura ibara iyo ihuye numucyo, nibicuruzwa bya sintetike bifite antioxydants idakomeye kuruta ibicuruzwa bisanzwe;

Yumva ikirere, igomba kubikwa ahantu hafunze kandi hatarimo urumuri (2-8℃).

Ubumenyi buke: Vitamine E isanzwe ikurwa cyane mumavuta ya mikorobe y'ingano, amavuta ya soya, namavuta y'ibigori, mugihe ibicuruzwa bya sintetike bikorerwa cyane muburyo bwa chimique, ariko ibikorwa byibinyabuzima ni 50% gusa byibicuruzwa bisanzwe.

Ni izihe nyungu zaAmavuta ya Vitamine E. ?

1. Uburyo bwa Antioxydeant na Kurwanya Gusaza

Vitamine E ni imwe mu mavuta akomeye ya antioxydants mu mubiri w'umuntu:

Scavenging radicals yubusa: Ifata radicals yubusa binyuze mumatsinda ya hydroxyl ya fenolike kugirango irinde lipide selile selile yangiza okiside, kandi imikorere yayo ikubye inshuro 4 za antioxydants ya sintetike (nka BHT);

Gukomatanya: Irashobora kuvugurura vitamine E ya okiside iyo ikoreshejwe hamwe na vitamine C, kandi igateza imbere imikorere ya antioxydeide muri rusange.

2. Umusanzu Wibanze Kubuzima bwuruhu

Gusana Photodamage: Ikora firime ikingira hejuru yuruhu, igabanya erythma iterwa na UV na ADN yangirika, kandi ubuso bwa erythma bugabanukaho 31% -46% nyuma yo gukoreshwa kwa muganga;

Kuvomera no kurwanya gusaza:amavuta ya vitamine eiteza imbere ceramide synthesis, yongerera inzitizi yuruhu ubushobozi bwo gufunga ubuhehere, kandi igateza umwuma ninkinkanyari (ubujyakuzimu bwagabanutseho 40% nyuma y amezi 6 yo gukoresha ubudahwema);

Ikibazo cyo gusana uruhu:

Kubuza ibikorwa bya tyrosinase, chloasma ishira hamwe nu mwanya wimyaka;

Kuraho dermatite seborrheic na cheilitis ya angular, kandi wihutishe gukira ibikomere byaka.

3. Gutabara Indwara Zitunganijwe

Ubuzima bw'imyororokere: Biteza imbere imisemburo ya hormone yimibonano mpuzabitsina, itezimbere intanga ngabo n'imikorere yintanga ngore, kandi ikoreshwa mubuvuzi bufasha bwo kutabyara no gukuramo inda kenshi;

Kurinda umwijima: Amabwiriza y’Amerika arabisaba ko ari amahitamo ya mbere y’indwara y’umwijima idafite inzoga, ishobora kugabanya transaminase no kunoza fiboside y’umwijima;

Ubwunganizi bw'umutima: Gutinda okiside ya lipoprotein nkeya (LDL) kandi ikarinda aterosklerose;

Amaraso n'ubudahangarwa:

Irinda uturemangingo tw'amaraso atukura kandi ikoreshwa mu kuvura antioxydeant ya thalassemia;

Igenga igisubizo cyindwara ziterwa na autoimmune (nka lupus erythematosus).

●Ni ubuhe buryo bukoreshwasBya Amavuta ya Vitamine E. ?

1. Ubuvuzi:

Imyiteguro yandikiwe:

Kanseri yo mu kanwa: kuvura gukuramo inda bisanzwe, gucura (gucura buri munsi 100-800mg);

Inshinge: zikoreshwa muburozi bukabije, kurinda chimiotherapie (bigomba gushiramo umwijima).

Imiti yibanze: amavuta atezimbere uruhu hamwe nubukonje, kandi kuyikoresha byihutisha gukira ibikomere46.

2. Amavuta yo kwisiga no kwita kubantu:

Kurwanya gusaza essence: ongeramo 0.5% -6%amavuta ya vitamine E., aside hyaluronic ivanze kugirango yongere ububobere (icyiciro cyamavuta kigomba kongerwaho munsi ya 80 ℃ mugihe utegura amavuta);

Kongera izuba ryinshi: guhuza hamwe na okiside ya zinc kugirango wongere agaciro ka SPF no gusana selile ya Langerhans yangijwe nimirasire ya ultraviolet.

3. Inganda zikora ibiribwa:

Kongera intungamubiri: wongeyeho ibiryo byabana nibicuruzwa byubuzima (nka capsules yoroshye) kugirango ubone ibyo ukenera buri munsi (dosiye ya buri munsi kubantu bakuru ni 15mg);

Kubungabunga ibidukikije: bikoreshwa mumavuta nibiribwa birimo amavuta (nka cream) kugirango bidindiza ubukana, kandi bifite umutekano kuruta BHA / BHT.

4. Ubuhinzi n’ikoranabuhanga rishya

Kugaburira inyongeramusaruro: kunoza amatungo n'ubworozi bw'inkoko n'imikorere y'imyororokere;

Guhanga udushya twa farumasi:

Vitamine E-TPGS (polyethylene glycol succinate): ibikomoka ku mazi ashonga, akoreshwa nka solubilizer kugirango atezimbere bioavailable yimiti idashonga;

Bikoreshwa mumiti igamije nano (nko gutegura ibibyimba).

●IkoreshwaWarning of Amavuta ya Vitamine E. :

1. Umutekano wa Dosage:

Kunywa igihe kirekire (> 400mg / kumunsi) birashobora gutera umutwe, impiswi, kandi bikongera ibyago byo kurwara trombose;

Witondere ihungabana rya anaphylactique mugihe cyo gutera inshinge (kuburira amabwiriza yavuguruwe yubuyobozi bushinzwe ibiryo nibiyobyabwenge mubushinwa muri 2018).

2. Icyitonderwa cyo gukoresha hanze:

Uruhu rworoshye rugomba kugeragezwa ahantu hato. Porogaramu irenze irashobora gufunga imyenge. Birasabwa gukoresha inshuro 1-2 mucyumweru;

Abarwayi bafite chloasma bagomba gukoresha izuba (SPF≥50) kugirango birinde ububi bwamafoto.

Abaturage badasanzwe: Abagore batwite n'abagore bonsa bagomba kuyikoresha bakurikije inama za muganga.

●Isoko RishyaAmavuta ya Vitamine E. Ifu