Cov lus no tsis muaj lub hauv paus. Yog tias siav kom raug, nqaij qaib nqaij yuav tsis ua rau mob qog noj ntshav.
Lub ntsiab tseem ceeb ntawm nqaij qaib essence yog monosodium glutamate, uas yog nws cov ntsiab lus tshiab. Glutamic acid yog ib qho amino acid xav tau los ntawm tib neeg lub cev thiab nthuav dav hauv ntau yam khoom noj. Tsuas yog thaum nws tau muab rho tawm thiab hloov mus rau hauv cov dawb amino acid ntsev, sodium glutamate, nws tuaj yeem ntxiv freshness rau zaub mov. Lwm cov khoom xyaw hauv nqaij qaib muaj xws li nucleotides, ntsev, qab zib dawb, nqaij qaib hmoov, dextrin, txuj lom, thiab tshuaj tua kab mob. Vim qhov tshiab ntawm nqaij qaib, nucleotides hu ua "nqaij qaib essence". Nqaij qaib cov ntsiab lus rhuab ntawm qhov kub siab (siab tshaj 120 degree) rau lub sijhawm ntev yuav hloov mus rau hauv sodium glutamate, uas tsis tau teev tias yog carcinogenic. Ib txwm noj nqaij qaib essence yog kev nyab xeeb.
Txawm li cas los xij, vim qhov poob ntawm qhov tshiab tom qab cua sov ntev, nws raug nquahu tias thaum ua noj lossis do kib zaub mov, nws yog qhov zoo tshaj kom ntxiv nqaij qaib essence ua ntej noj kom nws qab dua.
