Hais txog qos yaj ywm starch

Qos yaj ywm starch yog ib hom hmoov txhuv nplej siab uas tau muab rho tawm los ntawm cov hauv paus hniav ntawm qos yaj ywm cog. Ua cov hmoov txhuv nplej siab, nws tau siv dav hauv kev lag luam khoom noj. Cia peb ua tib zoo saib seb nws yog dab tsi thiab nws siv li cas.
Nws yog cov hmoov dawb, tsis muaj ntxhiab thiab tsis qab. Nws yog ib qho nyuaj carbohydrate ua los ntawm ob hom molecules: amylose thiab amylopectin. Amylose yog linear molecule, thaum amylopectin yog ib tug branched molecule. Ua ke lawv muab qos yaj ywm starch nws cov khoom tshwj xeeb.
Ib qho ntawm nws cov kev siv tseem ceeb hauv kev lag luam khoom noj khoom haus yog ua cov thickener. Nws yog ib qho zoo thickener rau kua zaub, kua ntses, gravy thiab lwm yam tais diav. Tsis zoo li cornstarch, nws tsis tawg thaum rhuab, ua rau nws zoo tagnrho rau cov tais diav uas xav tau cua sov ntev. Nws kuj muaj qhov nruab nrab tsw, ua rau nws xaiv zoo rau cov tais diav uas tsw tseem ceeb.
Lwm txoj kev siv cov qos yaj ywm starch yog raws li ib tug binder. Nws tuaj yeem siv rau kev khi cov nqaij thiab ntses cov khoom, nrog rau cov neeg tsis noj nqaij cutlets thiab hnyuv ntxwm. Nws cov khoom sib khi pab khaws cov dej noo thiab tiv thaiv cov dej khov nab kuab los ntawm kev tsim cov khoom noj khov.
Kuj tseem siv los ua txheej txheej rau cov khoom noj kib. Thaum sib tov nrog hmoov, nws tsim ib lub crispy golden crust uas zoo tagnrho rau nqaij qaib, ntses thiab zaub.
Raws li gluten-dawb hloov rau cov hmoov nplej. Nws yog feem ntau siv hauv gluten-dawb ci khoom xws li breads, ncuav thiab ncuav qab zib.
Hauv kev xaus, qos yaj ywm starch yog ntau yam khoom xyaw uas muaj ntau yam siv hauv kev lag luam khoom noj. Nws cov khoom tshwj xeeb ua rau nws zoo tagnrho thickener, binder thiab txheej rau ntau yam tais diav. Raws li cov khoom noj cov hmoov txhuv nplej siab, nws tau ua pov thawj tias nws yog ib qho khoom muaj txiaj ntsig zoo hauv ntau cov khoom noj khoom haus thiab nws cov koob meej yuav tsum txuas ntxiv mus rau xyoo tom ntej.