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Chakudya chimakhala ndi mapuloteni, chakudya ndi zakudya zamafuta, mothandizidwa ndi zinthu zakuthupi, zamankhwala komanso zachilengedwe, zidzataya mtundu wapachiyambi, fungo, kukoma, mawonekedwe ndi kuwonongeka, komwe udindo wa tizilombo toyambitsa matenda ndizomwe zimayambitsa kuwonongeka kwa chakudya ndi kuwonongeka.
Asanafike mafakitale, anthu nthawi zambiri ankagwiritsa ntchito njira zachikhalidwe monga kuyanika, salting, shuga, fermentation kuti asunge chakudya. Ndi chitukuko cha makampani chakudya chamakono, anthu ndi umisiri watsopano wa kusunga chakudya, monga kumalongeza, vacuum ma CD, ma CD pneumatic conditioning ndi njira zina ma CD, komanso kugwiritsa ntchito mitundu yosiyanasiyana ya ukadaulo wosabala, monga autoclaving, irradiation sterilization, electron mtengo sterilization, yosungirako ndi njira zina zoziziritsa kukhosi.
Komabe, ziribe kanthu kuti ndi luso liti lomwe limagwiritsidwa ntchito, sizopusa, kotero kuti zakudya zambiri, kugwiritsa ntchito zodzitetezera monga njira yachiwiri yotetezera kuonetsetsa kuti alumali la chakudya ndilofunika kwambiri.
Lactic acid (lactic acid) ndi mchere wa sodium wa lactic acid. The mankhwala ndi colorless kapena chikasu pang'ono mandala madzi, palibe fungo, pang'ono mchere wowawa kukoma, wothira madzi, Mowa, glycerin.
M'makampani azakudya, amagwiritsidwa ntchito makamaka ngati zokometsera, zowongolera acidity ndi humectant. Chifukwa sodium lactate imakhala ndi mphamvu yochepetsera ntchito yamadzi muzakudya, imatha kukulitsa moyo wa alumali wazakudya, ndipo imagwiritsidwa ntchito ngati chosungira chakudya posungira nyama.
Preservative limagwirira wa lactic acid ndi sodium lactate
Ambiri, ndi apamwamba zili organic zidulo mu dziko sanali dissociated, mphamvu antibacterial mphamvu (chifukwa zidulo organic mu dziko sanali olekanitsidwa mosavuta kuwoloka bakiteriya selo nembanemba ndi kulowa mu selo thupi), ndi bakiteriya chilolezo cha ayoni lactate (H) mu selo amadya mphamvu, amachepetsa kagayidwe ka cell, motero amalepheretsa kukula kwa mabakiteriya.
Mphamvu yotetezera ya sodium lactate ili ndi mfundo ziwiri: 1. Kuwonjezera kwa sodium lactate kungachepetse ntchito yamadzi ya mankhwala, potero kulepheretsa kukula kwa tizilombo toyambitsa matenda. 2. Lactate ion ali antibacterial zinchito gulu. Lactic acid palokha imakhala ndi cholepheretsa chapadera pakukula ndi kubereka kwa tizilombo.
Kugwiritsa ntchito sodium lactate
Ambiri ndende ndi 60% -80%, ndipo pazipita ntchito malire 60% ndende ndi 30g/KG. Amagwiritsidwa ntchito ku nyama ndi nkhuku, ali ndi mphamvu yoletsa mabakiteriya a nyama, monga E. coli, clostridium botulinum, listeria ndi zina zotero. Kudzera chopinga chakudya tizilombo tizilombo toyambitsa matenda, kuti kumapangitsanso chitetezo chakudya. Kuonjezera kukoma kwa nyama, kuwonjezera moyo wa alumali.
Sodium lactate mu nyama yaiwisi ali kubalalitsidwa wabwino, ndipo ali bwino mayamwidwe madzi, kuti bwino kuteteza madzi m`thupi yaiwisi nyama, tikwaniritse mwatsopano, chinyezi-kuteteza kwenikweni. Amagwiritsidwa ntchito kwambiri pophika nyama yowotcha, ham, soseji, nkhuku ndi bakha nkhuku ndi msuzi ndi marinade mankhwala.