Lawv tau siv ntau yam khoom noj, xws li cov khoom ci, khoom noj txom ncauj, thiab dej haus. Thaum cov khoom noj ntxiv feem ntau suav tias muaj kev nyab xeeb, muaj qee qhov uas yuav ua rau muaj kev phom sij rau kev noj qab haus huv yog tias noj ntau ntau. Nov yog qee qhov feem ntau cov yam ntxwv ntawm cov khoom noj additives:
1. Txhim khu tsw:
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm cov khoom noj ntxiv yog lawv lub peev xwm los txhim kho qhov tsw ntawm cov khoom noj. Qhov no yog ua tiav los ntawm kev siv ntau yam khoom siv dag zog thiab ntuj tsim, uas tau ntxiv rau cov khoom noj khoom haus txhawm rau txhim kho lawv saj thiab aroma.
2. Txhim kho kev ntxhib los mos:
Lwm tus yam ntxwv tseem ceeb ntawm cov khoom noj khoom haus yog lawv lub peev xwm los txhim kho kev ntxhib los mos ntawm cov khoom noj khoom haus. Qhov no yog ua tiav los ntawm kev siv cov thickeners, emulsifiers, thiab stabilizers, uas pab tsim kom muaj kev zoo nkauj zoo nkauj hauv cov zaub mov tiav.
3. Nce lub neej txee:
Ntau cov khoom noj khoom haus ntxiv kuj tseem siv los ua kom lub txee lub neej ntawm cov khoom noj tiav. Cov additives no muaj xws li preservatives, antioxidants, thiab antimicrobial agents, uas yuav pab tiv thaiv kom txhob lwj thiab tuav lub freshness ntawm cov khoom noj.
4. Ntxiv xim:
Khoom noj khoom haus additives feem ntau yog siv los ntxiv xim rau cov khoom noj, ua rau lawv pom ntau dua rau cov neeg siv khoom. Synthetic thiab natural colorings yog siv los ua kom tiav cov nyhuv no.
