Puas muaj tej yam khoom noj khoom haus NATURAL?
Yog lawm, muaj ntau yam khoom noj khoom haus uas tau siv rau ntau pua xyoo los ua kom cov zaub mov tshiab.
Ib qho ntawm feem nrov natural preservatives yog ntsev. Ntsev tau siv ntau txhiab xyoo los khaws cov zaub mov los ntawm kev ziab tawm cov dej noo uas cov kab mob thiab microbes yuav tsum loj hlob. Ntsev feem ntau yog siv los khaws ntses, nqaij, thiab zaub.
Lwm yam natural preservative yog vinegar. Vinegar, uas yog tsim los ntawm fermented txiv hmab txiv ntoo los yog nplej, muaj tej yam ntuj tso tshuaj tua kab mob uas yuav pab khaws cia zaub mov. Nws yog feem ntau siv nyob rau hauv pickling, ib txoj kev ntawm khaws cia txiv hmab txiv ntoo thiab zaub nyob rau hauv ib tug vinegar tov.
Zib ntab kuj yog ib qho tshuaj tiv thaiv ntuj, vim nws cov acidity thiab cov dej noo tsawg. Nws tau siv rau ntau pua xyoo los khaws cov txiv hmab txiv ntoo thiab txawm tias nqaij. Zib ntab kuj tuaj yeem siv los tiv thaiv kev loj hlob ntawm pwm thiab fungi.
Lwm cov tshuaj tiv thaiv ntuj yog citric acid, uas muaj nyob hauv cov txiv hmab txiv ntoo zoo li txiv qaub thiab txiv qaub. Nws feem ntau yog siv los khaws cov txiv hmab txiv ntoo, zaub, thiab cov kaus poom.
Thaum kawg, tshuaj ntsuab thiab txuj lom kuj tuaj yeem ua raws li cov khoom siv ntuj tsim. Basil, oregano, thyme, rosemary, thiab cinnamon tsuas yog qee qhov piv txwv ntawm cov tshuaj ntsuab thiab cov txuj lom uas tau pom tias muaj cov tshuaj tua kab mob thiab antioxidant.
Hauv kev xaus, cov khoom noj khoom haus ntuj tsim muaj ntau, thiab feem ntau muaj kev nyab xeeb thiab noj qab haus huv dua li cov khoom noj khoom haus. Yog li tsis txhob ntshai sim nrog ntau cov tshuaj ntsuab, txuj lom, thiab cov khoom xyaw ntuj kom koj cov zaub mov tshiab thiab qab.
Preservatives yog cov khoom noj khoom haus tseem ceeb uas tuaj yeem tiv thaiv cov zaub mov tsis zoo thiab tsis zoo, ua kom cov zaub mov zoo thiab ua kom lub neej ntev ntawm cov zaub mov. Txij li cov khoom siv ntuj tsim tau los ntawm cov khoom siv ntuj tsim thiab muaj kev nyab xeeb, ntsuab thiab muaj txiaj ntsig zoo, lawv tau siv dav hauv cov zaub mov ntau dua li cov khoom siv tshuaj tua kab mob, thiab qhov tseem ceeb ntawm cov khoom siv ntuj tsim kuj tseem nce ntxiv.
Qhov chaw thiab kev siv ntawm natural preservatives
Cov khoom noj khoom haus ntuj muaj qhov zoo ntawm cov khoom muaj zog tiv thaiv kab mob, kev nyab xeeb siab, thiab zoo thermal stability. Raws li lawv cov peev txheej, lawv tuaj yeem muab faib ua cov nroj tsuag khaws cia, tsiaj khaws cia thiab microbial preservatives. Vim muaj qhov sib txawv ntawm ntau yam khoom siv ntuj tsim, lawv muaj pes tsawg leeg thiab cov yam ntxwv ntawm cov qauv sib txawv, thiab lawv cov kev siv hauv cov zaub mov kuj txawv. Cov nram qab no peb hom khoom noj khoom haus preservatives yuav qhia raws.
Tsob nroj preservatives
Cog preservatives feem ntau yog muab los ntawm cov nroj tsuag extracts, xws li tej yam ntuj tso tshuaj ntsuab thiab txuj lom thiab cog yam tseem ceeb roj. Vim tias lawv qhov tshwj xeeb tsw thiab cov kab mob bacteriostatic preservative, cov nroj tsuag rho tawm thiab cov roj tseem ceeb cog tau ntev tau siv los ua zaub mov noj, seasonings thiab kev npaj kho mob.
Tsiaj khaws cia
Tsiaj preservatives xa mus rau cov tshuaj lom neeg lom neeg nrog cov nyhuv antiseptic uas yog muab rho tawm los ntawm qee cov tsiaj lossis lawv cov metabolites. Lawv raug cais raws li lawv txoj haujlwm: tshuaj tua kab mob enzymes, tshuaj tua kab mob peptides thiab antioxidant peptides, thiab lwm yam.
Preservatives rau cov kab mob thiab lawv cov metabolites
Ntau lub tebchaw tsim los ntawm cov kab mob tiv thaiv kev loj hlob ntawm cov kab mob spoilage lossis cov kab mob pathogenic hauv cov zaub mov. Khoom noj khoom haus-qib kab mob tuaj yeem tsim ntau yam khoom los tiv thaiv kev loj hlob ntawm lwm cov kab mob, thiaj li ua tiav qhov sib npaug ntawm cov kab mob microbial.
Cov kab mob lactic acid (LAB) hauv cov kab mob muaj peev xwm tiv thaiv kev loj hlob ntawm cov kab mob thiab suav tias yog cov neeg sib tw zoo. Hauv kev tsim cov khoom noj fermented, cov kab mob lactic acid yog siv los txhim kho cov saj, tsw thiab kev ntxhib los mos ntawm cov zaub mov thiab tiv thaiv kev loj hlob ntawm cov kab mob pathogenic microorganisms, thiab LAB tsis muaj teeb meem thaum noj. Cov tshuaj tua kab mob ntawm LAB feem ntau suav nrog bacteriocin, organic acid, hydrogen peroxide, carbon dioxide thiab diacetyl; ntawm lawv, bacteriocin yog ib qho tshuaj tua kab mob los yog tshuaj lom neeg ua ke los ntawm LAB thiab lwm hom kab mob, thiab muaj txiaj ntsig zoo tiv thaiv Staphylococcus aureus, mononuclear Foodborne pathogens xws li Listeria prolifera thiab Clostridium botulinum muaj cov kab mob zoo los yog cov kab mob bacteriostatic, thiab tseem muaj cov kab mob zoo tiv thaiv kab mob Gram. - cov kab mob zoo. Bacteriocin muaj cov tshuaj tua kab mob zoo dua ntawm cov pH qis. muaj zog.
Tsis tas li ntawd, bacteriocins tuaj yeem siv ua ke nrog lwm cov tshuaj tua kab mob los txhim kho cov kab mob inactivation. Bacteriocins tuaj yeem siv rau hauv ntim bioactive. Nyob rau hauv xyoo tas los no, cov kws tshawb fawb tau tsom mus rau kev ntxiv cov kab mob bacteriocins rau cov khoom ntim cov yeeb yaj kiab los tswj kev loj hlob ntawm cov kab mob zaub mov. Antibacterial packing films tiv thaiv kev loj hlob ntawm cov kab mob ntawm cov khoom noj los ntawm kev tiv tauj cov khoom ntim nrog cov khoom noj.
Khoom noj khoom haus yog ib qho tseem ceeb ntawm cov as-ham thiab lub zog uas tib neeg nqus tau los ntawm lub ntiaj teb sab nraud, thiab nws txoj kev nyab xeeb thiab kev nyiam huv yog qhov tseem ceeb, thiab cov khoom khaws cia tuaj yeem tiv thaiv cov zaub mov tsis zoo thiab ua kom lub neej ntev ntawm cov zaub mov. Yog li ntawd, cov zaub mov preservatives yog ib qho tseem ceeb heev nyob rau hauv cov zaub mov preservation thiab cia. nyhuv. Muab piv nrog cov tshuaj tua kab mob tshuaj tua kab mob, uas muaj qhov tsis zoo xws li cov kev mob tshwm sim loj thiab carcinogenicity, cov khoom siv ntuj tsim tsis tsuas yog tsis muaj tshuaj lom thiab tsis muaj mob, tab sis kuj ua rau lub neej ntev ntawm cov zaub mov, thiab muaj txiaj ntsig zoo rau tib neeg kev noj qab haus huv; tsis muaj qhov tsis ntseeg tias ntxiv rau cov tshuaj ntsuab uas twb muaj lawm, tsiaj txhu lossis Ntxiv rau cov khoom siv microbial, tseem tsis tau tshawb pom cov khoom noj tshiab tshiab.