Taw Qhia Ntawm Ntau Hom Kev Tswj Sab Nraum Sab Tiv Thaiv Hom Tshuaj Tiv Thaiv

Hauv kev ua ntau lawm, feem ntau cov khoom ua bakery (qhob cij, ncuav, ncuav ncuav, thiab lwm yam) muaj ob peb lossis txawm tias ntau ntau cov pwm me thiab ua kom tsis zoo vim los ntawm kev sib kis saum npoo. Cov lus tseeb no tau ua rau ntau lub khw muag khoom noj khoom haus bakery, tshwj xeeb tshaj yog cov tsis tau paub txog kev nyiam huv ib puag ncig lossis cov neeg ua haujlwm tsis paub txog kev nyiam huv huv, kom muaj kev saib xyuas ntau dua thiab siv cov tshuaj ua kom zoo. Kuv yuav piav qhia luv luv rau ntau cov chaw tswj xyuas cov zaub mov khaws cia rau sab nrauv. Thov xaiv qhov tsim nyog raws li koj cov kev xav tau thiab tsis txhob dig muag raws li cov qauv.

Dab tsi yog khoom noj khoom haus tswj hwm sab nrauv?

Nws txhais tau hais tias cov calcium oxide, silicon dioxide, thiab lwm yam tau muab tso rau hauv cov hnab ntim cov khoom sib txuas raws li cov ntsiab lus, lossis cov kab xev ua los ntawm cov ntaub ntawv polymer kom nqus tau cov dej cawv uas tsim nyog, thiab lwm yam, tau muab tso rau hauv cov pob kaw thiab tsis ntxiv rau cov khoom siv rau khoom noj khoom haus ntau lawm. Tsuas yog los ntawm kev kho cov av noo hauv pob, maj mam tso cov roj tua cov roj (cov roj ethanol) lossis txau cov tshuaj tua kab mob (dej cawv) ncaj qha rau ntawm cov zaub mov kom ua tiav cov nyhuv ntawm cov tshuaj tua kab mob.

Cov kev tswj hwm ib puag ncig sab nrauv khoom noj khoom haus tswj hwm tau muab faib ua cov hauv qab no

1. Deoxidizer kuj tseem hu ua oxygen nqus thiab deoxidizer.

Muaj ntau ntau yam deoxidizers tam sim no, tab sis inorganic deoxidizers yog siv dav los ntawm cov tuam txhab khoom noj khoom haus. Nws muaj peb hom tseem ceeb: hlau deoxidizers, sulfite deoxidizers, thiab hydrogenation catalyst hom deoxidizers.

Khoom noj khoom haus deoxidizers tsuas yog nqus cov pa mus rau hauv cov thawv ntim khoom noj, kom cov zaub mov tuaj yeem khaws cia hauv lub xeev anaerobic, feem ntau tiv thaiv cov zaub mov oxidation los ntawm kev tshem tawm, pwm, oxidation, rancidity, kab thiab lwm yam tshwm sim tsis zoo, tshwj xeeb tshaj yog haum rau cov roj ntsha. Thiab khaws cia cov khoom noj oily, xws li txiv laum huab xeeb, txiv ntseej noob, pistachios, ham hnyuv ntxwm, lub hli ncuav, thiab lwm yam.

Vim yog qhov yuav tsum tau khaws cia lub xeev anaerobic, qhov yuav tsum tau ua rau cov ntaub ntawv ntim khoom noj thaum siv deoxidizers kuj muaj ntau. Koj tsis tuaj yeem xaiv PP thiab PE zaj duab xis nrog cov pa oxygen siab dhau heev lawm, txwv tsis pub lawv yuav tsis tuaj yeem deoxidation tau ntev. Nyob rau tib lub sijhawm, lawv yuav kis nrog huab cua. Nws tuaj yeem nqus tau oxygen thiab yuav tsum siv kho sai li sai tau. Nco ntsoov tias qhov ntsuas kub uas nws ua lub luag haujlwm tswj hwm feem ntau ntawm 5-40 ° C. Thaum nws qis dua -5 ° C, deoxygenation preservation effect yuav poob qis.

Qhov kev xaiv ntawm deoxidizer yog qhov kev paub zoo heev. Nws tsis yog tsuas yog yuav tsum tau coj mus rau qhov loj me ntawm cov pa tawm tshem tawm qhov muaj peev xwm hloov mus rau kev ntim ntawm cov ntim ntau, xav txog nws cov qauv sib txawv (xws li hom 20, hom 30, hom 50, hom 100, thiab lwm yam), thiab ua haujlwm kev yoog raws (xws li cov nyhuv ob, Cov nyhuv ntau, kev nqus thiab tso tawm hom, thiab lwm yam), tab sis kuj xyuam xim rau kev nyab xeeb ntawm deoxidizer ntim cov ntaub ntawv, vim tias cov khoom noj feem ntau yuav tsum tsis txhob nyob rau hauv kev sib cuag nrog deoxidizer, thiab ya raws lossis roj ntau hauv qee cov zaub mov yuav raug tsim los ntawm lub deoxidizer, ua rau muaj kev phom sij rau kev phom sij thiab teeb meem, xws li:

(1) Lub tshav kub ntim lub cim kom pom tseeb tias tsis muaj cua to, xyuam xim rau lub zog thiab qhov zoo ntawm lub foob.

(2) Qhov kev xaiv ntawm cov khoom ntim tsis zoo, thiab cov hmoov thiab cov ntaub ntawv (tshwj xeeb yog hmoov hlau thiab lwm cov hlau) sab hauv deoxidizer ua kom tawm, paug cov khoom noj;

(3) Cov xeb xeb, cov roj pleev xim lossis cov cim dej hauv dej yog nws nquag tshwm sim rau saum npoo ntawm cov khoom siv deoxidizer, uas cuam tshuam zoo rau qhov zoo nkauj ntawm qhov khoom;

(4) Noo noo, roj, thiab lwm yam nkag rau thiab corrode thiab ua rau lub deoxidizer ntim cov khoom ntim, ua rau cov paug, ua kom yooj yim, thiab pob tawg, thiab lub chaw tsiv ntawm cov hmoov thiab cov ntaub ntawv, ua rau cov pa phem hauv cov zaub mov;

(5) Tom qab cov kua dej los yog cov roj tawm mus rau sab hauv txheej txheej ntawm cov khoom ntim, nws yooj yim los tsim cov dej zaj duab xis lossis cov roj zaj duab los qhwv lub deoxidizer hmoov pellets, thaiv kev tiv thaiv kev sib tiv tauj ntawm oxygen thiab hlau hmoov. Raws li qhov tshwm sim, cov pa oxygen effect ntawm deoxidizer txo qis los yog ploj, thiab cov huab cua hauv cov zaub mov ntim tsis tuaj yeem tswj tau, ua rau pwm thiab lwm yam teeb meem tsis tuaj yeem tshem tawm.

2. Cov ntsiav tshuaj cawv (cawv tshiab-khaws cia daim npav, ethanol roj tso hluav taws xob)

Cov ntsiav tshuaj cawv thiab deoxidizers tuaj yeem siv hauv lub hli ncuav, khob cij, thiab ncuav qab zib kom khaws tau tshiab, tab sis cov ntsiav tshuaj cawv tsis tuaj yeem siv ceev cov txiv ntoo thiab cov khoom noj uas ci. Lub hauv paus ntsiab lus ntawm ob yog sib txawv kiag li. Cov ntsiav tshuaj cawv tsim cov roj theem tiv thaiv txheej txheem nrog qhov muaj qhov cuam tshuam nyob ib puag ncig cov zaub mov yuav tsum tau khaws cia tshiab, thiab maj mam tso tawm ib hom tshuaj pleev kom ua tiav lub hom phiaj ntawm kev khaws cia khoom noj. Nws tsis nqus pa thiab tsis muaj haujlwm ntawm kev tiv thaiv oxidation zaub mov. Feem ntau siv rau lub hli ncuav, khoom qab zib, thiab khoom noj ntub dej. Cov khob noom, ua mov ci, ua ncuav, thiab lwm yam.

Cov ntsiav tshuaj cawv tso tawm cov txiaj ntsig ntawm kev tiv thaiv pwm, thiab cov cawv cawv yuav tsum tau kho raws li cov dej ua haujlwm thiab dej noo hauv tag nrho cov ntim khoom.

Hauv cov zaub mov ua dej nyob qis, ethanol nrog huab hwm coj loj ntawm 2% mus rau 4% muaj qee yam ntxim li muaj cov kabmob tua. Ntawm qhov tsis sib xws, rau cov zaub mov muaj dej ntau hauv cov zaub mov, qhov zoo tshaj ntawm ethanol yog 0.002 txog 0.004mL / cm2 lossis tsawg dua 2% ntawm cov khoom lag luam. Cov zaub mov xws li cov khoom qab zib thiab ncuav, yog tias ua nrog ntau dua 2% ethanol, tuaj yeem ua kom ntev mus rau pwm lub txee tsis muaj lub neej, tab sis nws tsis txaus los tiv thaiv kev loj hlob ntawm pwm, thiab nws yuav cuam tshuam rau tus saj thiab tsw ntawm cov khoom , ua rau cov neeg siv khoom qias neeg. Tus cab kuj hauv kuj yog Nws yuav nqus cov dej noo ntawm cov khoom thiab ua rau nrawm nrawm ntawm qhov laus ntawm qhov khoom. Thov xaiv kom zoo thaum siv nws.

3. Khoom noj khoom haus desiccant

Desiccant hais txog tus neeg sawv cev tshem dej uas nqus cov dej noo ntawm cov pa. Nws lub hauv paus ntsiab lus qhuav yog lub cev adsorb dej lwg me me hauv nws tus qauv lossis tshuaj nqus dej molecules thiab hloov lawv cov qauv tshuaj, los ntawm kev tshem tawm cov zaub mov ntim noo noo sab hauv txo cov av noo hauv cov zaub mov ntim thiab ua tiav cov txiaj ntsig ntawm kev tiv thaiv cov zaub mov lwj.

Tam sim no, feem ntau desiccants ntawm kev ua lag luam siv calcium oxide (quicklime), silica gel, ferric oxide thiab calcium chloride yog cov khoom nyoos tseem ceeb. Ntawm lawv, cov khoom noj khoom haus desiccants siv quicklime thiab silica gel ua raw cov ntaub ntawv feem ntau muaj. Tsis tas li ntawd, raws li cov zaub mov thiab cov tshuaj ntim cov cai, lub ntim ntawm desiccant yuav tsum muaj qee qhov muaj zog tensile, thiab nws cov khoom xyaw tseem ceeb thiab cov khoom tsis zoo yuav tsum khij rau sab nrauv ntim ntawm desiccant, thiab cov lus qhia kev nyab xeeb yuav tsum tau ua.

4. Natamycin

Natamycin muaj kev nyab xeeb, txhim khu kev qha, thiab tsis cuam tshuam rau qhov tsw ntawm qhov khoom. Nws yog dav siv hauv cheese, cov khoom lag luam, khoom qab zib, kua, jams thiab lwm yam zaub mov. Tab sis kuj vim tias nws yog cov khoom lag luam tsim, nws cov dej num ua kom ruaj ntseg tau yooj yim cuam tshuam los ntawm ultraviolet rays, pH, ntsuas kub, lub teeb ci, oxidants thiab cov hlau hnyav, thiab nws yog rhiab heev thiab nyuaj khaws. Yog li, cov khoom lag luam yuav tsum tsis txhob tiv tauj nrog oxidants thiab sulfur thiab hydrogen tebchaw, txwv tsis pub nws yuav poob yooj yim.

Raws li cov kev cai tsim nyog ntawm GB2760, hauv kev lag luam ci, natamycin yog qhov tsim nyog rau khoom qab zib, mayonnaise, khaub ncaws hnav khaub noom, Cantonese hli ncuav, thiab lwm yam, thiab tuaj yeem muab txau rau saum npoo ntawm cov khoom xwb. Tus kws sau ntawv xov xwm ntawm Baiqing xav ceeb toom rau txhua tus tias kev siv natamycin rau kev tiv thaiv xeb nyob rau saum npoo ntawm cov mov ci yog ib qho kev tshaj tawm ntxiv, thiab natamycin tsis tuaj yeem siv rau cov mov ci.

Natamycin muaj cov uas tsis muaj solubility thiab tuaj yeem tsim kev tshem tawm. Nws yog ib qho yooj yim los ua kom txo tog thiab stratification lossis thaiv lub pob ntseg tom qab muab tso rau ntev. Yog li, cov tshuaj tsuag nozzle yog qhov yuav tsum tau ua tiav atomization thiab kev tsis sib thooj txhawm rau zam kom tsis txhob muaj qhov tsis sib txau ntawm cov khoom. Ua rau muaj natamycin ntau dhau. Feem ntau, nws tuaj yeem muab tshuaj tsuag rau saum npoo, ob sab thiab hauv qab tsis yog txau, thiab nws tsis yooj yim rau tshuaj tsuag tusyees ntawm cov khoom ntev, thiab nws tsis yog thoob ntiaj teb. Nws tuaj yeem pom los ntawm cov saum toj no tias natamycin tsuas yog kev pab tiv thaiv kev tiv thaiv, thiab kev xaiv ntawm kev tswj hwm sab hauv (uas yog, ntxiv ncaj qha rau cov khoom lag luam) yog qhov txiav txim siab lub luag haujlwm hauv cov khoom txee lub neej.