Zogulitsa

Beta-carotene

Beta-carotene ndi carotenoid yachilengedwe yomwe imapezeka kwambiri mumasamba ndi zipatso zobiriwira ndi zachikasu.Beta-carotene ndi gulu la tetraterpenoid, lomwe lili ndi zomangira zinayi za isoprene ziwiri.Ili ndi mphete imodzi ya beta-violone kumapeto kulikonse kwa molekyulu.Mamolekyu awiri a vitamini A amatha kupangidwa ndi kupuma kwapakati.Ili ndi zomangira ziwiri ziwiri ndi ma conjugates pakati pa zomangira ziwirizo.Mamolekyu akhala akulumikizana kwa nthawi yayitali ma chromophores ogwirizana, motero amakhala ndi mphamvu yoyamwa kuwala ndikuwapanga kukhala achikasu.Mitundu yayikulu ya beta-carotene ndi all-trans, 9-cis, 13-cis ndi 15-cis.Pali ma isomers opitilira 20 a beta-carotene, omwe sasungunuka m'madzi komanso amasungunuka pang'ono mumafuta amasamba.Amasungunuka pang'ono mu aliphatic ndi onunkhira ma hydrocarbons, amasungunuka mosavuta mu chloroform, osakhazikika pamapangidwe amankhwala, komanso osavuta kuyimitsa pakuwala ndi kutentha.

Beta-carotene imatha kupangidwa ndi kaphatikizidwe ka mankhwala, kuchotsa mbewu ndi kupesa kwa tizilombo tating'onoting'ono.Malingana ndi njira zosiyanasiyana zopangira, zikhoza kugawidwa m'magulu awiri: mankhwala a beta-carotene ndi beta-carotene.Pakali pano, ambiri a iwo ndi mankhwala.Chifukwa beta-carotene yachilengedwe imakhala ndi anti-chromosomal aberration, anti-cancer effect komanso mphamvu ya thupi, mtengo wa beta-carotene wachilengedwe ndi wapamwamba.Ndiwowirikiza kawiri kuposa mankhwala.

Beta-carotene imadziwika kuti gwero la vitamini A. Beta-carotene yomwe idapangidwa kale idagwiritsidwa ntchito kwambiri muzakudya, zodzoladzola komanso zamankhwala.Ndi chitukuko cha toxicology ndi teknoloji yowunikira, kafukufuku amasonyeza kuti ngakhale kuti chiyero cha beta-carotene chopangidwa ndi njira ya mankhwala ndi chokwera kwambiri ndipo mtengo wopangira ndi wochepa, n'zosavuta kuphatikizira mankhwala owopsa pang'ono muzogulitsa.Chifukwa chake, ndikusintha kosalekeza kwa chidziwitso, kutulutsa kwachilengedwe kwa beta-carotene kudzagwira ntchito pamsika.Koma chifukwa cha mafuta osungunuka a beta-carotene, kagwiritsidwe ntchito kake kamakhala kochepa kwambiri.Kafukufuku wina wawonjezera kusungunuka kwamadzi kwa beta-carotene mwa saponification ndi emulsification, koma njirayi imakhala ndi nthawi yayitali, imakhudza kwambiri kukhazikika kwa beta-carotene, ndipo imakhala ndi mtengo wapamwamba.Kutulutsa kwachilengedwe kwa beta-carotene, zosungunulira za organic m'njira zambiri zomwe zimagwiritsidwa ntchito pano, komanso vuto lotsalira la zosungunulira zapoizoni zakhala zikulepheretsa kugwiritsa ntchito zinthu zochotsa, zomwe zimapangitsa kuti pakhale chitetezo chambiri komanso zovuta zowononga chilengedwe.Kutulutsa kwa beta-carotene yosungunuka m'madzi kunanenedwanso, koma madzi osungunuka a beta-carotene ndi osauka, kawirikawiri mothandizidwa ndi ma enzymes, kotero kuti mtengo wake ndi wokwera ndipo ntchitoyo ndi yosauka.Poyerekeza ndi ochiritsira m'zigawo njira, ndi akupanga m'zigawo njira ali ubwino kuphweka, mkulu m'zigawo mlingo ndi yochepa ntchito nthawi.Choncho, monga njira yatsopano kuchotsa mowa sungunuka beta-carotene, akupanga m'zigawo ali wabwino ntchito chiyembekezo m'munda uno.

Kugwiritsa ntchito beta-carotene

Monga mtundu wa pigment yosungunuka yamafuta, beta-carotene yalandiridwa mwachikondi ndi makampani azakudya chifukwa mtundu wake ukhoza kuphimba mitundu yonse yamitundu yofiira mpaka yachikasu chifukwa cha kuchuluka kwake kosiyana.Ndizoyenera kwambiri pakupanga zinthu zamafuta ndi mapuloteni, monga margarine, zamkati za nsomba zoyengedwa, zinthu zamasamba, Zakudyazi zofulumira ndi zina zotero.