I-Sodium Metabisulfite (E223): Igayidi ebanzi yabathengi bezimboni

Le ndatshana ishonile ijule ungene i-sodium metabisulfite, obeye aziwe njengo i-sodium metabisulphite, izimboni ezibalulekile okuthakiweyo. Uma uyisikhulu sokuthengwa kwempahla noma umnikazi webhizinisi, ukuqonda lokhu landela ukhiye. Sizohlola ukusetshenziswa kwaso ku ukudla neziphuzo, Izakhiwo zayo zamakhemikhali, imithetho yezokuphepha, nokuthi ungayithola kanjani ngokuthembekile. Cabanga ngalokhu njengencwadi yakho ephelele yokwenza izinqumo ezinolwazi zokuthenga mayelana i-sodium metabisulfite. Lo mhlahlandlela kufanele ufunde ngoba uhumusha imininingwane eyinkimbinkimbi yamakhemikhali ubuhlakani bebhizinisi elisebenzayo, ukusiza ukuvikela umugqa wakho wokukhiqiza, uqinisekise ikhwalithi yomkhiqizo, futhi wenze izinqumo ezingezenzeki.

Yini ngempela i-sodium metabisulfite futhi yini ukwakheka kwamakhemikhali?

I-sodium metabisulfite, kuvame ukufushaniswa njenge Ama-sbb, usawoti ongaziwa. -Kuthile uhlobo lwamakhemikhali IS Na₂s₂₂₅. Ungakubona ohlwini lwezithako njengoba I-E223. Kubukeka ngathi i-crystalline emhlophe noma ephuzi-omhlophe ye-crystalline futhi inephunga elihlukile le- isibabule. Akuyona into ongayithola emvelweni. Esikhundleni salokho, kudalwe kwilebhu noma ekuhlelweni kwefekthri.

Le khasi khiqiza inqubo imvamisa ifaka ukwelapha a Isixazululo se-sodium I-Hydroxide noma i-sodium carbonate enokuphela kwe sulphur dioxide igesi. Lokhu kusabela kudala ifomu elizinzile le-posider okulula ukuhambisa nokugcina. Lapho le mpuphu ikhona inqotshwa emanzini, ayihlali njengoba i-sodium metabisulfite. Esikhundleni salokho, kwakha i-sodium hydrogen insini (Nahso₃), okuyi-ejenti yangempela esebenzayo ezihlolweni zayo eziningi. Lokhu kuguqulwa yingakho ubuhlakaniselo emanzini kuyinto ebalulekile yezobuchwepheshe. Umphumela isimulakazulu Isixazululo yikho okwenza umsebenzi. Lamakhemikhali amalungiselelo ukhiye emsebenzini wawo.

Ngabe usebenza kanjani i-sodium metabisulfite njengento yokugcina ekudleni nasekuphuzeni?

Umsebenzi oyinhloko we i-sodium metabisulfite ekudleni ukwenza njenge Ukulondolozwa kanye ne-antioxidant. Kwenza kanjani lokhu? Okokuqala, njenge okulondolozayo, iyakhishwa isibabule isikhutha lapho ixutshwe namanzi nezakhi ze-acidic ekudleni. Le gesi ihle kakhulu ekuvinjelweni ukukhula kwama-microorganisms angafuneki. Ingakwazi vimba ukukhula kwezikhunta, amagciwane kanye nasendle imvubelo, obekuzokonakalisa ngenye indlela ukudla. Lokhu kuyasiza Nweba impilo eshalofini yemikhiqizo eminingi.

Okwesibili, njenge- I-antioxidant, ukulwa i-oxidation. Ukudla okuningi kuphenduka nsundu noma ulahlekelwe ukunambitheka kwawo lapho kuvezwa emoyeni. Lokhu kungenxa yokuthi inzyme ekudleni kungaba phendula ne- umoya ohlanzekile. Yingakho Isengezo sokudla ibaluleke kakhulu; Kunamandla I-antioxidant kuyasiza Vikela i-oxidation inqubo. I-sodium metabisulfite inamandla ukunciphisa umenzeli, okusho ukuthi kunika ama-elektroni alo ukuze ayeke le nqubo. Empeleni kuzihlabezele ukugcina ukudla kungabi kubi noma oxipise. Lokhu kusebenza kwesenzo esimbaxambili kwenza kube ngempumelelo kakhulu futhi kabanzi esetshenziswa kakhulu okufakiwe.

Yiziphi izinhlelo ezivame kakhulu ze-sodium metabisulfite embonini yokudla?

Ukuguquguquka kwe- i-sodium metabisulfite kusho ukuthi kutholakala kwinani elimangazayo lezinto ezisemashalofini ezitolo. Amandla awo okugcina nokuvikela ayaziswa emikhakheni eminingi. Nazi ezinye izindima zalo eziphambili:

• I-Winemaking: Phakathi kwa- ukuphunisa, yisidlali senkanyezi. Isetshenziselwa ukuhlanganisa imishini futhi, okubaluleke kakhulu, ukumisa inqubo yokuvutshelwa ngesikhathi esifanele. Kuvimbela futhi amagciwane angafuneki kanye nemvubelo yasendle ekuguquleni iwayini libe uviniga.
• Izithelo ezomisiwe: Lolo mbala obonakalayo olibonayo izithelo ezomisiwe Njengama-apricots nama-omisiwe? Uvame ukubonga i-sodium metabisulfite ngalokho. Kunjalo isetshenziselwe ukuvimbela I-browning eyayizokwenzeka ngokwemvelo njenge isithelo ezomile.
• Imikhiqizo yamazambane: Uke uzibuze ukuthi kungani ama-fries ama-french fries noma anamanzi anamanzi izambane Ama-Flakes ahlala mhlophe? Kungumgomo ofanayo. Le khasi landela isetshenziselwa ukumisa umsebenzi we-oxidase lokho kubangela ama-spuds ajike ampunga noma ansundu ngemuva kokusikwa.
• Ukudla kwasolwandle: Embonini yokudoba, ikakhulukazi uqhashaqhasha nama-prawn, a insini Isixazululo sivame ukusetshenziswa njengediphu. Lokhu kuvimbela isimo esibizwa nge-melanosis, noma "indawo emnyama," lapho igobolondo limnyama ngemuva kokuvunwa.
• Izimpahla ezibhakiwe: Ingomane isinkwa kanye nama-Crackers, i-sodium metabisulphite isetshenziswa njenge inhlama i-conditioner. Isebenza ngokuphula amakhemikhali athile ubudlelwano kuma-protein amanethiwekhi (ngokuqondile Izibopho ze-Disfulfide), okwenza inhlama isebenza kakhulu futhi kulula ukusebenza nayo. Kuyasiza ukufeza ukuthungwa okungaguquki ezindaweni ezahlukahlukene ezibhakiwe ngisho nakwezinye Imikhiqizo yenyama thanda isoseji. Isetshenziswa ekwenzeni ama-sausage rolls namanye ama-khekhe, ngesinye isikhathi eceleni kwezinye izivakashi ezinje I-sodium acetate.

Ingabe akhona amamaki ahlukile we-sodium metabisulfite yezinhlelo zokusebenza ezahlukahlukene?

Impela. Leli yiphuzu elibucayi kunoma yimuphi umthengi. Akubona bonke i-sodium metabisulfite kudalwe ngokulingana, futhi ukusebenzisa ibanga elingalungile kungaba nemiphumela emibi. Lezi zigaba ezimbili eziyinhloko zibanga lokudla kanye nebanga lobuchwepheshe.

Njengesikhulu sokuthengwa kwempahla, kungumsebenzi wakho ukuqinisekisa ukuthi uthenge ibanga elifanelekile ngohlelo lwakho lokusebenza okuhlosiwe. Ngaso sonke isikhathi cela isitifiketi sokuhlaziywa (COA) kumhlinzeki wakho. I-COA ihlinzeka ngemininingwane enemininingwane mayelana nobumsulwa bomkhiqizo, ubuhlakaniselo, kanye nokuhambisana nezindinganiso zokulawula, Ukuqinisekisa ukuphepha kokudla. Ngoba kungcono kakhulu nyakazela Ngamanzi, uhlelo lwayo luqondile.

Yini isikhulu sokuthengwa kwempahla okufanele sazi mayelana nokukhiqizwa kanye nokulawulwa kwekhwalithi kwalelikhemikhali?

Njengomuntu obheka imigqa yokukhiqiza, ngingakutshela ukuthi ukuvumelana kuyikho konke. Lapho uthenga a okuthakiweyo thanda i-sodium metabisulphite, awutheli nje nje impuphu; Uthenga isithembiso sokusebenza. Le khasi amalungiselelo na- khiqiza inqubo kumele ilawulwe ngokuqinile. Lokhu kufaka phakathi ukubhekisisa amazinga okushisa, amazinga we-PH, kanye nobumsulwa bezinto eziluhlaza ezinjenge isibabule na- i-alkali. Leli nyakazela I-Powder yisixhumo sangemuva kwezinqubo eziningi zokukhiqiza.

Ukuze umthengi onjengomaki, ukulawulwa kwekhwalithi kubaluleke kakhulu. Nakhu okufanele ubheke kumphakeli:

1. Isitifiketi se-ISO: Lokhu kukhombisa ukuthi umenzi unesistimu yokuphathwa kwekhwalithi eqinile endaweni.
2. I-Batch Traceability: Sonke isikhwama noma isitsha kufanele sibe nenombolo ye-batch, okuvumela ukuthi uyilandele emuva osukwini lwayo lokukhiqiza kanye nokuhlolwa kwekhwalithi.
3. I-COA ephelele: Njengoba kushiwo, isitifiketi sokuhlaziywa asinakuxoxwa. Kufanele iqinisekise umkhiqizo uhlangabezana nokucaciswa kwakho ukuze ubumsulwa, okuqukethwe umswakama, kanye nemikhawulo yensimbi esindayo.
4. Ukuxhumana okuphendulayo: Umphakeli omuhle uzokwazi ukuphendula imibuzo yakho yezobuchwepheshe mayelana nezakhiwo zomkhiqizo, njengokuthi kungenzeka kanjani phendula nezinye izithako ekwakhekeni kwakho. Le ngxoxo evulekile ivimbela amaphutha abizayo phansi ulayini futhi kuqinisekisa ukuthi uthola okulungile okufakiwe ngenqubo yakho.

Ingabe i-sodium metabisulfite iphephile, futhi yini imithetho ezungeza ukusetshenziswa kwayo?

Ukuphepha ingxoxo enezingxenye ezimbili: Ukuphepha kumthengi nokuphepha kwabasebenzi abaphatha okuthakiweyo. Okwabathengi, i-sodium metabisulfite "kuthathwa ngokuvamile njengokuphephile" (GRAS) ngu Uhlobo lwe-fda lapho isetshenziswa ngaphakathi kwemikhawulo ebekiwe. Noma kunjalo, kukhona okuhlukile: ama-sulfites. I-sodium metabisulfite uhlobo lwe isimulakazulu, futhi abanye abantu banokuzwela noma ukungezwani komzimba nokudla okuthile kulezi zinhlaka. Igama I-Sulphite nayo isetshenziswa. Lokhu kungaba yinto ebaluleke kakhulu ukungezwani komzimba nokudla okuthile Kwabanye.

Lokhu kuyiqiniso ikakhulukazi kubantu abane isifuba somoya. Ngalesi sizathu, imithethonqubo iqinile. E-United States, ukuba khona kwe ama-sulfites Ezingeni lezingxenye eziyi-10 ngesigidi (i-PPM) noma ngaphezulu kufanele zimenyezelwe Amalebula okudla. Lokhu kuvumela abathengi ababucayi ukugwema imikhiqizo engadala i -ngezwani komzimba nokudla ukusabela, okungasukela kokuthambile ukuphathwa yikhanda noma isikhumba sigijime kanzima ukuphefumula usizi. Le khasi Uhlobo lwe-fda Ngisho wavimba ukusetshenziswa kwe ama-sulfites phezu kwa- Izithelo ezintsha Futhi imifino ehlose ukuthengiswa noma ukukhonzwa okuluhlaza kubathengi, njengemigoqo yesaladi. Okubalulekile ilebula kumele kube khona.

Ngabe isetshenziswa kanjani i-sodium metabisulfite futhi igcinwe ngokuphepha endaweni yokukhiqiza?

Kwabasebenzi, i-sodium metabisulfite a -yingozi impahla edinga ukuphatha ngokucophelela. Ikona -sothayo esikhunjeni namehlo, futhi akumelwe donsa uthuli. Uma kuhlangana ukuxhumana nama-acid noma emanzini, kukhipha ubuthi sulphur dioxide igesi, okucasulayo okunamandla okucasulayo. Le gesi ingumbusi isimulakazulu okucasulayo. Ukuchayeka kusibabule isikhutha kungaba yingozi. Uma kuhlangana ukuxhumana nomswakama, kungahamba kancane ukuqinisa futhi ukhulule le gesi.

Nazi izivumelwano ezibalulekile zokuphepha zesikhungo sakho:

• Isitoreji: Ukugcina Ama-sbb endaweni epholile, eyomile, enomoya omuhle kude nokushisa nokukhanya kwelanga okuqondile. Kufanele igcinwe ezitsheni ezivalwe kahle. Gcina kuhlukaniswe nezinto zokwakha acidic kanye nama-oxidizers.
• Ukuphatha: Noma ngubani osebenza ne-powder kufanele agqoke imishini yokuvikela yomuntu siqu (i-PPE), kufaka phakathi ama-goggles ezokuphepha, amagilavu ​​(neoprene noma nitrile), kanye ne-mask yothuli noma i-respirator.
• Schill Cleasup: Ukuchitheka kufanele kuhlanzwe ngokushesha ngaphandle kokudala uthuli. Ukuchitheka okuncane kungathathwa njenge-soda ash noma ikhambi le-lime ngaphambi kokugezwa. Ukuchitheka okukhulu kudinga ukuphathwa ngochwepheshe.
• Insiza yezimo eziphuthumayo: Yiba neziteshi zokugeza zamehlo nama-Sheathers okuphepha atholakala kalula. Uma ukuxhumana kwenzeka, hlikihla indawo ethintekile ngamanzi okungenani imizuzu eyi-15. Uma kufakwe ngaphakathi, hambisa umuntu emoyeni omusha ngokushesha.

Uyini umehluko phakathi kwe-sodium metabisulfite ne-potassium metabisulfite?

Lona umbuzo ojwayelekile, njengoba zombili izingqimba zisebenzela izinhloso ezifanayo. Empeleni, I-sodium metabisulfite ingasetshenziswa ngokushintshana ne i-potassium metabisulfite Ezimweni eziningi. Zombili ziluhlobo lwe isimulakazulu lokho kusebenza njengezimbumbulu kanye nama-antioxidants. Bobabili bakhululwa sulphur dioxide ukwenza umsebenzi wabo. Umehluko osemqoka ulele engxenyeni ye-molecule: sodium (NA⁺) qhathanisa itusium (K⁺).

Ukukhetha phakathi kwalezi ezimbili kuvame ukwehla ezidingweni ezithile zokwakha zomkhiqizo wokugcina. Isibonelo, emikhiqizweni yokudla ephansi ye-sodium, i-potassium metabisulfite kungaba ukukhetha okunengqondo. Kwezinye izinhlelo zokusebenza zezimboni lapho okuqukethwe kwamaminerali kungasebenzi, isinqumo singase sisuselwe kwizindleko nokutholakala. Siphinde futhi sinikeze amanye amakhemikhali asuselwa potassium, njengekhwalithi ephezulu Potassium sulfate, ngezidingo ezahlukahlukene zezimboni.

Ngabe i-sodium metabisulfite ihlangana kanjani ezingeni lamaselula?

Lo ngumbuzo wezobuchwepheshe, kepha ufinyelela enhliziyweni yokuthi kungani lokhu landela iyasebenza kakhulu. Lapho insini I-ION (HYS) ingena kwiseli le-microbial, iphazamisa izinqubo zalo eziyisisekelo. Le khasi isimulakazulu -ithini phendula ngama-enzyme asemqoka, ukuwavala ngempumelelo. Iphinde iphazamise nendlela yokukhiqiza yama-cell energy.

Ngaphezu kwalokho, the insini ingadlula esitokisini ulwentshi Futhi shintsha i-PH yangaphakathi, ukudala imvelo lapho ama-microbe angeke khona asinde khona. Ukuhlaselwa okuthe xaxa. Lokhu kusebenza ngokukhethekile ekulweni ama-microorganisms angenazo izindlela zokuvikela eziqinile. Leli khono elifanayo phendula Ngezakhi zeselula yingakho isebenza njenge okulondolozayo emikhiqizweni efana izithelo ezomisiwe nokunye ukudla. Le khasi isimulakazulu Empeleni kuyeka umsebenzi wamaselula ongafuneki, kungaba ngamagciwane noma kusuka kuma-enzyme adla. Lokhu kwenza insini okufakiwe isebenza kahle kakhulu. Okukodwa isimulakazulu I-Molecule ingaba nomthelela omkhulu.

Ngingakuqinisekisa kanjani ukuthi ngithola i-sodium esezingeni eliphakeme se-sodium metabisulfite kusuka kumphakeli othembekile?

Njengomenzi uqobo, ngiyaqonda izinselelo amakhasimende ami afana nobuso bophawu. Umugqa wakho wokukhiqiza uncike kwikhwalithi kanye nesikhathi sesikhathi sezakhi namakhemikhali owatholile. Ukugoqa a okuthakiweyo thanda i-sodium metabisulphite akuhlukile. Udinga umlingani, hhayi umphakeli nje.

Nakhu okufanele ukuzofuna ukwakha ubudlelwano obuthembekile:

• Ukuxhumana Okusobala: Amaqembu akho abahlinzeki kanye namaqembu ezobuchwepheshe kufanele kube lula ukufinyelela futhi abe nolwazi. Kufanele baqonde amaphuzu akho ezinhlungu, njengokugwema ukubambezeleka kokuthumela kanye nokuqinisekisa ikhwalithi engaguquki.
• Ikhwalithi Eqinisekisiwe: Musa nje ukuthatha izwi labo ngakho. Cela ukucaciswa komkhiqizo, isampula yokuhlola ngelebhu yakho, kanye nesitifiketi esibaluleke kakhulu sokuhlaziywa kokuthumela konke. Lokhu kukhuthala kuvimbela ukungafani kwekhwalithi noma ubukhulu.
• Ubuchwepheshe bokuhlelela: Umhlinzeki omuhle uyaqonda ukuthunyelwa kwamanye amazwe. Bangakwazi ukweluleka ngezindlela ezinhle kakhulu zokuthumela, baphathe imibhalo yamasiko, futhi bahlinzeke ngezikhathi ezinembile zokuhola ukukusiza ukuphatha amashejuli wakho wokukhiqiza.
• Intengo efanelekile nokukhokha: Ngenkathi ikhwalithi iyinkosi, amanani entengo kufanele ancintisane. Funa abahlinzeki abanikeza inani lemakethe elifanelekile kanye nemigomo yokukhokha eguqukayo esebenzela imodeli yebhizinisi lakho. Umlingani omuhle utshaliwe empumelelweni yakho. Bayakuqonda ukuthi udinga izinto ezisebenza ngezindleko ezifana I-trialcium phosphate noma i-sodium metabisulfite ukuhlala uncintisana.

Yikuphi ukusetshenziswa kwezimboni ezihlobene nokudla kwalesi sengezo?

Ngenkathi indima yayo njenge Isengezo sokudla Uyaziwa kahle, i-sodium metabisulfite iyinhlangano yokusebenza kwezinye izimboni eziningi. Inamandla ukunciphisa umenzeli Futhi amagciwane akhipha amagciwane enza kube lusizo olukhulu. Ukuqonda lezi zinhlelo zokusebenza kungakunika isithombe esigcwele salesi simo esiguquguqukayo landela.

Ngokwesibonelo, ekwelashweni kwamanzi, kunjalo isetshenziswa njengendawo yokugcina Ukususa i-chlorine eyeqile kusuka emanzini aphathwe (devHlorination) ngaphambi kokuba ikhishwe emifuleni, ukuvikela impilo yasemanzini. Embonini yezindwangu, isebenza njenge-ejenti yokufafaza ngoboya ne-jute. Abathwebuli bezithombe bayisebenzisa ekuthuthukiseni izixazululo zokumisa inqubo yokuthuthukisa ("yeka ukugeza"). Imboni yezokumbiwa phansi iyisebenzisa ukuhlukanisa izinsimbi, futhi kuyisisekelo sokuqala okuqala ekuhlanganiseni kwamanye amakhemikhali afana i-thiolsulfate. Le khasi Izemithi Imboni isebenzisa njenge- I-antioxidant ukuvikela izidakamizwa okungenzeka ngenye indlela khiya futhi ulahlekelwe ukusebenza kwawo. Lokhu kuyafana namanye amakhemikhali awusizo afana Sodium bicarbonate, okubuye kube nobabili ukudla kanye nezicelo zezimboni.

Ukuthathwa Key

Ukwenza isinqumo esihle kakhulu sokuthenga, khumbula la maphuzu asemqoka nge-sodium metabisulfite:

• Umsebenzi okumbili: Kokubili okulondoloziwe okunamandla okuvimbela ukukhula kwe-microbial kanye ne-antioxidant evimbela ukuqhekeka nokuphanga.
• Ibanga libalulekile: Njalo khetha phakathi kwebanga lokudla kanye nebanga lobuchwepheshe elisuselwa kuhlelo lwakho lokusebenza. Ungalokothi usebenzise ibanga lobuchwepheshe emikhiqizweni yokudla.
• Ukuphepha Okokuqala: Kudinga ukuphatha ngokucophelela ngenxa yemvelo yayo ewonakalo kanye nokukhishwa kwe-sulphur dioxide gesi. Okwabathengi, kuyinto eyaziwayo (isimulakazulu) futhi kumele kumenyezelwe emalebula okudla.
• Ukuqinisekiswa kwekhwalithi: Umphakeli othembekile uzohlala enikeza isitifiketi sokuhlaziywa (COA) futhi aneziqu zekhwalithi esobala.
• Izicelo eziguquguqukayo: Ukusetshenziswa kwayo kwandiswa kakhulu ngokudla, okubandakanya ukwelashwa kwamanzi, izindwangu, nezithombe, okwenza kube ngamakhemikhali amakhulu ezimboni.