General Properties
Carrageenan nthawi zambiri ndi ufa woyera mpaka wachikasu-bulauni, wopanda fungo komanso wosakoma, ndipo zinthu zina zimakhala ndi kakomedwe kakang'ono ka udzu wa m'nyanja. Gel yopangidwa ndi carrageenan ndi thermoreversible, ndiko kuti, imasungunuka mu njira yothetsera kutentha, ndipo imapanga gel kachiwiri pamene yankho lakhazikika.
Zakuthupi ndi Zamankhwala
Carrageenan si poizoni ndipo ali ndi makhalidwe a coagulation, solubility, bata, mamasukidwe akayendedwe ndi reactivity. Choncho, angagwiritsidwe ntchito ngati coagulant, thickener, emulsifier, suspending wothandizira, zomatira, akamaumba wothandizila ndi stabilizer pakupanga chakudya makampani.
Kugwiritsa ntchito m'makampani azakudya
Carrageenan yakhala ikugwiritsidwa ntchito ngati chowonjezera chakudya chachilengedwe kwa zaka zambiri. Ndi ulusi wosavulaza wa mbewu womwe umathandizira chimbudzi ndipo uli ndi ntchito zambiri. Kupanga malonda a carrageenan m'mayiko akunja kunayamba m'zaka za m'ma 1920, ndipo China inayamba kupanga malonda a carrageenan mu 1985, omwe 80% amagwiritsidwa ntchito m'mafakitale a chakudya kapena zakudya.
Carrageenan imatha kupanga ma gels olimba. Ndi coagulant yabwino kwambiri yopangira zipatso za jelly. Zimalimba kutentha. Gel yopangidwa ndi theka-olimba, yowonekera kwambiri, ndipo si yosavuta kugwa. Itha kugwiritsidwanso ntchito kuwonjezera zakudya kuti mupange ufa wa jelly. Mukamadya, ndi bwino kusungunula m'madzi. Itha kugwiritsidwanso ntchito ngati coagulant ya mkaka pudding ndi zipatso pudding. Ili ndi mawonekedwe amadzi otsika, mawonekedwe abwino, kukhuthala kochepa, komanso kutentha kwabwino. Pophika phala la nyemba ndi yokan, carrageenan ikhoza kuwonjezeredwa ngati coagulant. Zodzola zam'chitini zopangidwa ndi carrageenan ngati coagulant ndizosavuta kudya ndikunyamula. Lili ndi zipatso ndipo lili ndi zakudya zopatsa thanzi kuposa odzola wamba wa zipatso. Carrageenan Angagwiritsidwenso ntchito ngati coagulant kwa nyama zamzitini, ndipo angagwiritsidwe ntchito monga stabilizer, suspending wothandizira, kupanga wothandizira, clarifier, thickener, zomatira, etc.
Popanga maswiti owoneka bwino a zipatso, ngati carrageenan imagwiritsidwa ntchito ngati coagulant, maswiti ofewa amakhala owonekera kwambiri, amatsitsimula komanso samamatira mano. Kuonjezera carrageenan ku maswiti olimba kwambiri kungapangitse kuti zinthuzo zikhale zofanana komanso zosalala, ndikuwonjezera bata.
Zoyembekeza zofunsira
Carrageenan, chinthu choyera chachilengedwe, chimakhala ndi zinthu zabwino kwambiri monga kukhazikika kwamphamvu, kutha kupanga ma gels ndi mayankho owoneka bwino, komanso kukhazikika kwakukulu. Pakati pa ma polima onse osungunuka m'madzi, ndi apadera pakuchitanso kwake ndi mapuloteni. Kukhazikika kokhutiritsa, kuwonekera ndi kusungunuka kumatha kukulitsa ntchito yake. Zinthu zake zotetezeka komanso zopanda poizoni zatsimikiziridwa ndi Joint Expert Committee on Food Additives (JECFA) ya Food and Agriculture Organization ya United Nations ndi World Health Organization, yomwe imakhulupirira kuti carrageenan iyenera kugwiritsidwa ntchito kwambiri pazakudya, makampani opanga mankhwala, biochemistry, kafukufuku wamankhwala ndi zina. Choncho, m'zaka zaposachedwapa, carrageenan yakula mofulumira kunyumba ndi kunja, ndipo kufunika kwawonjezeka kwambiri. Ntchito yake yapadera siyingalowe m'malo ndi ma resins ena, omwe adayambitsa chitukuko chofulumira cha makampani a carrageenan. Tsopano chiwopsezo chapachaka cha carrageenan padziko lonse lapansi chaposa kuchuluka kwa agar.
Carrageenan inayamba kugwiritsidwa ntchito kwambiri ku Ulaya ndi ku United States, ndipo kupanga carrageenan padziko lonse lapansi kumakhala kwachiwiri pakati pa nkhama zotengedwa ndi udzu wa m'nyanja. M'zaka zaposachedwapa, dziko langa laphatikizapo carrageenan m'ndandanda wa zakudya zowonjezera. Carrageenan adaphatikizidwanso mu malangizo a chakudya a Food and Agriculture Organisation a United Nations ndi World Health Organisation. Mwachidule, carrageenan imakumana ndi zakudya zaku China komanso zakunja ndipo ili ndi chiyembekezo chogwiritsa ntchito.
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Nthawi yotumiza: Nov-09-2024