Soy protein isolate (SPI) ndi chinthu chogwiritsidwa ntchito mosiyanasiyana komanso chogwira ntchito bwino chomwe chatchuka kwambiri m'makampani azakudya chifukwa cha zabwino zake zambiri komanso ntchito zake. Chochokera ku ufa wa soya wochepetsedwa mafuta pang'ono, soy protein isolate imadutsa njira zingapo zochotsera ndi kulekanitsa kuti ichotse zinthu zopanda mapuloteni, zomwe zimapangitsa kuti mapuloteni akhale oposa 90%. Izi zimapangitsa kuti ikhale gwero labwino kwambiri la mapuloteni apamwamba, otsika cholesterol komanso opanda mafuta, zomwe zimapangitsa kuti ikhale njira yabwino kwa ogula. Chifukwa cha kuthekera kwake kothandiza kuchepetsa thupi, kuchepetsa mafuta m'magazi, kuchepetsa kuchepa kwa mafupa, komanso kupewa matenda amtima ndi mitsempha yamagazi, soy protein isolate yakhala chinthu chofunikira kwambiri muzakudya zosiyanasiyana.
Chimodzi mwazinthu zofunika kwambiri za soya protein isolate ndi momwe imagwirira ntchito pazakudya. Ili ndi zinthu zambiri zothandiza, kuphatikizapo gelling, hydration, emulsifying, kuyamwa mafuta, kusungunuka, thovu, kutupa, kukonza, ndi kusonkhanitsa. Zinthu zimenezi zimapangitsa kuti ikhale yosakaniza yosinthika yomwe ingagwiritsidwe ntchito m'mafakitale osiyanasiyana azakudya. Kuyambira nyama mpaka ufa, zinthu zam'madzi, ndi zinthu zamasamba, soya protein isolate imapereka zabwino zambiri, zomwe zimapangitsa kuti ikhale yofunikira kwambiri popanga zakudya zosiyanasiyana.
Pali njira zambiri zogwiritsira ntchito soya protein isolate, monga:
(1) Kuwonjezera kouma: Onjezani soya protein isolate ku zosakaniza mu mawonekedwe a ufa wouma ndikusakaniza. Kuchuluka konsekonse kowonjezera ndi pafupifupi 2%-6%;
(2) Onjezani mu mawonekedwe a colloid yosungunuka: Sakanizani soya protein isolate ndi gawo linalake la madzi kuti mupange slurry kenako muyiike. Kawirikawiri, 10%-30% ya colloid imawonjezeredwa ku chinthucho;
(3) Onjezani tinthu ta mapuloteni mu mawonekedwe a: Sakanizani soya protein isolate ndi madzi ndikuwonjezera glutamine transaminase kuti mulumikizane puloteniyo kuti ipange nyama ya mapuloteni. Ngati pakufunika, kusintha mtundu kumatha kuchitika, kenako kumapangidwa ndi chopukusira nyama. Tinthu ta mapuloteni, nthawi zambiri timawonjezeredwa mu kuchuluka kwa pafupifupi 5%-15%;
(4) Onjezani mu mawonekedwe a emulsion: sakanizani soya protein isolate ndi madzi ndi mafuta (mafuta a nyama kapena mafuta a masamba) ndikuduladula. Chiŵerengero chosakaniza chimasinthidwa moyenera malinga ndi zosowa zosiyanasiyana, mapuloteni: madzi: mafuta = 1:5:1-2/1:4:1-2/1:6:1-2, ndi zina zotero, ndipo chiŵerengero chowonjezera ndi pafupifupi 10%-30%;
(5) Onjezani mu mawonekedwe a jakisoni: sakanizani soya protein isolate ndi madzi, zokometsera, marinade, ndi zina zotero, kenako muyiike mu nyama ndi makina ojambulira kuti mugwire ntchito yosunga madzi ndi kufewetsa. Kawirikawiri, kuchuluka kwa mapuloteni omwe amawonjezeredwa mu jakisoni ndi pafupifupi 3%-5%.
Pomaliza, soya protein isolate imapereka ntchito zosiyanasiyana komanso ntchito zosiyanasiyana mumakampani azakudya. Kuchuluka kwa mapuloteni ake, kuphatikiza ndi magwiridwe antchito ake, kumapangitsa kuti ikhale chinthu chofunikira kwambiri kwa opanga zakudya omwe akufuna kupititsa patsogolo thanzi lawo komanso magwiridwe antchito azinthu zawo. Kaya ndi kukonza kapangidwe kake, kuwonjezera kusunga chinyezi, kapena kupereka magwero a mapuloteni apamwamba, soya protein isolate ikupitilizabe kugwira ntchito yofunika kwambiri pakupanga zakudya zatsopano komanso zopatsa thanzi. Pamene kufunikira kwa ogula kwa zakudya zathanzi komanso zokhazikika kukupitilira kukula, soya protein isolate ikukonzekera kukhalabe chinthu chofunikira kwambiri pakupanga mitundu yosiyanasiyana ya zakudya.
Nthawi yotumizira: Ogasiti-09-2024