Vitamine K nayo yitwa vitamine coagulation.Duhereye ku izina ryayo, dushobora kumenya ko imikorere yibanze ya physiologique ari uguteza imbere amaraso.Muri icyo gihe, vitamine K nayo igira uruhare mu guhinduranya amagufwa.

Vitamine K1 ntabwo ikoreshwa cyane mubyongeweho ibiryo byamatungo bitewe nigiciro cyayo.Ihungabana rya menaquinone mu biryo ryaragabanutse nyuma yo gusohora, gukama no gutwikira, bityo hakurikiraho ibikomoka kuri VK3 bikurikira (kubera gukira kwinshi): menadione sodium bisulfite, menadione sulfite Sodium bisulfate complex, menadione sulfonic aside dimethylpyrimidinone, na menaquinone nicotinamide sulfite.

Kubura Vitamine K mu njangwe

Injangwe ni abanzi basanzwe b'imbeba, kandi byavuzwe ko injangwe zinjiye uburozi bwimbeba zirimo dicoumarin ku ikosa, bigatuma igihe kinini cyo kumena amaraso.Ibindi bimenyetso byinshi byamavuriro, nkumwijima wibinure, indwara zifata amara, cholangite, na enteritis, birashobora kandi gutuma malabsorption ya lipide, hamwe na vitamine K ya kabiri.

Niba ubaye ufite injangwe ya Devon Rex nkamatungo, ni ngombwa kumenya ko ubwo bwoko bwavutse budahagije mubintu byose bifitanye isano na vitamine K.

Vitamine K ikeneye injangwe

Ibiribwa byinshi byinjangwe byubucuruzi ntabwo byuzuzwa na vitamine K kandi bishingiye kubikorwa byibiribwa byamatungo hamwe na synthesis mumara mato.Nta makuru y’inyongera ya vitamine K mu biryo byamatungo.Keretse niba hari amafi menshi mubiryo byingenzi byamatungo, mubisanzwe ntabwo ari ngombwa kuyongera.

Nk’uko ubushakashatsi bwakozwe n’amahanga bubigaragaza, ubwoko bubiri bw’ibiribwa by’injangwe bikungahaye kuri salmon na tuna byapimwe ku njangwe, zishobora gutera ibimenyetso by’amavuriro byo kubura vitamine K mu njangwe.Injangwe n’injangwe nyinshi z’abagore zariye ibyo biryo bapfuye bazize amaraso, kandi injangwe zarokotse zari zimaze igihe kinini cyo kwambara kubera kubura vitamine K.

Ibi biribwa birimo injangwe birimo 60μg.kg-1 ya vitamine K, intumbero idahuye na vitamine K ikenera injangwe.Vitamine K y'injangwe ikenera irashobora guhura na bagiteri yo mu nda mugihe habuze ibiryo by'injangwe birimo amafi.Ibiryo by'injangwe birimo amafi bisaba inyongera zinyongera kugirango zuzuze ibitagenda neza muri synthesis ya vitamine na mikorobe yo mu nda.

Ibiryo by'injangwe bikungahaye ku mafi bigomba kuba birimo menaquinone, ariko nta makuru aboneka ku bijyanye na vitamine K yongeramo.Igipimo cyemewe cyimirire ni 1.0mg / kg (4kcal / g), gishobora gukoreshwa nkibiryo bikwiye.

Hypervitamine K mu njangwe

Phylloquinone, uburyo busanzwe bwa vitamine K, ntabwo byagaragaye ko ari uburozi ku nyamaswa n'inzira iyo ari yo yose y'ubuyobozi (NRC, 1987).Mu nyamaswa zitari injangwe, uburozi bwa menadione nibura inshuro 1000 ibyo kurya bikenerwa.

Ibiryo by’injangwe bishingiye ku mafi, usibye gukenera kwita ku bipimo bya vitamine K, bigomba no kwitondera ibipimo bya thiamine (vitamine B1)