Abin da ake kira zarurrukan kayan lambu abubuwa ne marasa narkewa ga mutane amma wannan yana da tasirin lafiya ga jiki, musamman, yin saurin narkewa guje wa maƙarƙashiya da kuma mummunan tasirin da wannan cuta ke haifarwa.
Fiber na kayan lambu shine cellulose, irin kayan da ke jikin takardar, a polysaccharide na halitta ya kunshi adadi mai yawa na rukunin glucose na beta. Beta-glucose shine isomer na alpha-glucose, makamashin makamashinmu mai kyau, kuma kawai banbanci tsakanin kwayoyin biyu shine matsayin kungiyar masu aikin hydroxyl akan carbon 1 na sarkar da aka rufe.
Mutane ba za su iya shayar da cellulose ba, ba mu da hanyar rayuwa ko kuma enzyme wanda zai ba mu damar, a wani ɓangare na tsarin narkewar abinci, don yanke haɗin da ake kira 1,4 glucosidic tsakanin sassan beta na glucose, sabili da haka, cellulose ba abinci ba ne a gare mu tunda yana yi ba mu narkar da shi ba. Aan ƙaramin ɓangaren fiber na kayan lambu ne kaɗai zai iya haifar da sakin ƙwayoyin mai a cikin hanji saboda kumburinsa.
A gefe guda kuma, dabbobi suna da kwayar cuta a daya daga cikin sassan narkewar abincinsu wanda zai basu damar lalata cellulose kuma juya shi zuwa tushen makamashi. Wannan shine dalilin da yasa zasu iya samarda kitse daga yawan sinadarin cellulose da suke samu daga ciyawar da suke ci.
Cellulose kamar sitaci ne kamar carbohydrate (Zamu iya narkar da wannan) kawai wannan sitaci ya kunshi sassan glucose na alpha. Cellulose yana da tsarin tsari a cikin kayan lambu: don ba da sifa da goyan baya ga ganye da kwari. Hemicellulose da lignin wasu ƙananan abubuwan haɗin fiber na kayan lambu.
Fa'idodi a narkar da amfani da zarurrukan kayan lambu (musamman danye) shi ne cewa yana shan ruwa, kusan nauyin daya a ruwa, yana taimakawa jinkirta shan abubuwan gina jiki, wanda aka fi rarrabawa kuma yana ba da gudummawa don ba da ƙoshin lafiya. A aikin jan kwayoyin sharar daga hanji wanda ke haifar da cikakken narkewa tare da nisantar tarawar najasar cikin hanjin.
A cikin abincin rage nauyi, cin fiber yana da mahimmanci. Babu cin abinci ba tare da fiber ba saboda yana haÉ—uwa daga ra'ayoyi daban-daban. Faya-fayan ba sa kitso, suna ba da ji na cike da tsarkake tsarin narkewar abinci.