Kurongedza Kwemhepo Yakagadziriswa (MAP): Misanganiswa yeGasi Yekuchengetedza Chikafu

Kurongedza Kwemhepo Yakagadziridzwa(MAP) inzira yekuchengetedza apo mhepo yechisikigo iri mukati mepakeji inotsiviwa nemusanganiswa wakadzorwa wemagasi - kazhinji oxygen, carbon dioxide, uye nitrogen - kuchengetedza chikafu chiri chitsva kwenguva yakareba. Nekunonoka kwemaitiro emakemikari nehupenyu anokonzera kuora, MAP inogona kuwedzera hupenyu hwesherufu zvakanyanya. Muzviitiko zvakawanda, inowedzera kutsva nekaviri kusvika kashanu zvichienzaniswa nekurongedza kwemhepo kwakajairika. Kugara kwenguva refu uku hakungodzikisi chete marara echikafu asiwo kunotsigira kuparadzirwa kure uye kazhinji kunobvumira ma processor kuderedza kushandiswa kwekuchengetedza.

Mabasa Anoshanda eGasi Rimwe Nerimwe muMAP

Gasi rega rega riri mumusanganiswa weMAP rinobatsira pabasa rakati:

• Okisijeni (O₂)
Okisijeni inotsigira ruvara uye kutsva muzvikamu zvakasiyana-siyana zvekudya. Semuenzaniso, nyama tsvuku inochengetedza pigment yayo ye oxymyoglobin yakatsvuka-tsvuku kana ikasangana ne oxygen yakawanda, kazhinji inosvika 70-80%. Pamichero nemiriwo, okisijeni shoma (inenge 2-5%) inoshandiswa kutsigira kufema kwechisikigo. Zvisinei, okisijeni yakawandisa inokurumidza kuoxidation yemafuta uye inopfupisa nguva yekuzorora, saka kuvapo kwayo kunofanira kudzorwa nokungwarira.

• Kabhoni Dioxide (CO₂)
Kabhoni dhayokisaidhi inoshanda zvikuru segasi rinorwisa utachiona. Kana CO₂ yanyungudika muhunyoro huri pamusoro pechigadzirwa, inoumba carbonic acid isina simba inobatsira kudzivirira kukura kwebhakitiriya rinoora uye chakuvhuvhu. Misanganiswa yeMAP inowanzo vimba ne20–30% CO₂. Kuwanda kwakanyanya kunogona kuwedzera nguva yekugara, asi nekuda kwekuti CO₂ inonyudzwa muchikafu, inogona kukonzera kuparara kwepakeji kunze kwekunge yakaenzana nenitrogen.

• Nitrogen (N₂)
Nitrogen haina simba uye haisangani nechikafu. Chinangwa chayo chikuru ndechekubvisa okisijeni uye kuchengetedza chimiro chepakiti, kunyanya kana CO₂ yapinda muchigadzirwa. Inowanzoita chikamu chasara chemusanganiswa wegesi (kazhinji 50–80%) kana mazinga eO₂ neCO₂ aiswa.

Muchidimbu:

•O₂inochengetedza ruvara uye kufema,
•CO₂inoderedza kukura kwebhakitiriya,
•N₂inopa vhoriyamu uye kugadzikana.

Zvikafu zvakasiyana zvinoda huwandu hwakasiyana hwemagasi aya, sezvakatsanangurwa pazasi.

Nyama Mbichi uye Huku

Nyama Tsvuku Mbichi

Nyama tsvuku itsva, dzakadai senyama yemombe, gwayana, uye nyama yenguruve - dzinowanzo shandiswa neMAP ine okisijeni yakawanda. Mapaketi ekutengesa nekutengesa akawanda anowanzo shandisa musanganiswa we65% O₂uye 35% CO2₂. Kuvapo kweokisijeni kwakasimba kunoita kuti nyama irambe yakatsvuka, nepo CO₂ ichibatsira kunonoka kukura kwebhakitiriya rinoshandisa aerobic. Mune zvimwe zviitiko, vanogadzira vanogona kuderedza okisijeni ne5% kuti vawane nguva yekuzorora. Nzvimbo yasara inowanzova nitrogen kana kuti inosiyiwa iri pedyo ne-vacuum.

Huku Mbichi

Huku neshiri dzemhuka (huku, kakuni, pheasant) hadzidi okisijeni mupakeji. Musanganiswa wakajairika unowanikwa0% O₂, inenge 30% CO2₂, uye 70% N₂. Nekuti nyama yehuku yakacheneruka, okisijeni haibatsiri pakuonekwa kwayo. CO₂ inopa simba rekudzivirira utachiona, nepo nitrogen ichivimbisa kuti paki yacho inochengetedza chimiro chayo. Vamwe vanogadzira zvinhu zvakawanda vanoshandisa100% CO2₂kuti zvichengetedzwe zvakanyanya.

Chinhu chikuru chaunofanira kuziva:

•Nyama tsvuku dzinobatsirwa nekusanganiswa kweokisijeni yakawanda kuti dzirambe dzine ruvara.
•Huku dzinochengetedzwa zvakanaka neCO₂/N₂musanganiswa usina okisijeni.

Kuedzwa kunokurudzirwa nguva dzose kuti kusimbiswe kwekupedzisira.

Hove Itsva uye Hove dzegungwa

Kuumbwa kweMAP kwakakodzera kunoenderana zvikuru nekuti hove yacho haina mafuta akawanda here kana kuti haina mafuta akawanda.

Hove nehove dzisina mafuta akawanda

Hove chena (cod, haddock, bass) uye hove zhinji dzegungwa (shrimp, mussels, scallops) dzinoshandiswa kakawanda30% O₂, 40% CO2₂, uye 30% N₂Okisijeni inobatsira kuchengetedza ruvara rwechisikigo, CO₂ inoderedza kushanda kwehutachiona, uye N₂ inozadza nzvimbo yasara. Kune zvinhu zvakawanda kana kuti zvakaomeswa nechando, ma processor anogona kuchinja kuenda ku70% CO2₂/ 30% N₂kuti zvichengeterwe kwenguva yakareba.

Hove Mbishi Dzine Mafuta Akawanda

Hove dzine mafuta akadai sesalmon, tuna, mackerel, uye sardines dzakazadzwapasina okisijeninekuti mafuta avo anoomesesa nekukurumidza. Musanganiswa weMAP unowanzo shandiswa40% CO2₂uye 60% N₂Vamwe vagadziri vanowedzera CO₂ kusvika 50–70% kuti vadzivirirwe zvakanyanya. Salmon inotengeswa inowanzo shandiswa muzvitoro.40/60 CO₂/N₂, nepo tuna inogona kushandisa 30–40% CO₂ nenitrogen inogadzira chiyero. Dzimwe nguva mapaketi akawanda anoshandisa70% CO2₂/ 30% N₂.

Pfupiso:

•Hove dzisina mafuta akawanda dzinoshandiswa kakawanda~30% O₂,
•Hove dzine mafuta dzinovimba zvakanyanyaCO₂/N₂musanganiswa ne0% okisijeni.

Pasinei nekusanganiswa kwacho, MAP inoshanda zvakanaka nguva dzose pamwe chete nekudzora kwakakodzera kwecheni inotonhora.

Nyama, Hove, uye Huku Zvakabikwa Uye Zvakagadziriswa

Kana nyama kana hove zvabikwa kana kucheneswa, ruvara rwacho runogadzikana uye chinangwa chinoshanduka kuita kudzivirira kuonda kwefungus nehutachiona.

Nyama Yakabikwa Kana Yakagadziriswa

Zvinhu zvakaita seham, masoseji, uye salami zvinowanzo shandiswa30% CO2₂/ 70% N₂Pakushandisa zvakawanda kana kutumira kunze kwenyika, ma processor anogona kuwedzera CO₂ kusvika50% CO2₂/ 50% N₂Okisijeni inochengetwa pa zero.

Hove Dzakasvuta Kana Dzakapora

Salmon yakasvuta nezvimwe zvigadzirwa zvakafanana zvinowanzoshandisa30% CO2₂/ 70% N₂mumatireyi ekutengesa. Kuti uchengeterwe kwenguva yakareba,70/30 CO₂/N₂musanganiswa unogona kuiswa.

Huku Yakabikwa/Yakaporeswa

Zvigadzirwa zvehuku kana turkey zvakachekwa zvinotevedzera nzira imwecheteyo:

•Kutengesa:30% CO2₂/ 70% N₂
•Huwandu:70% CO2₂/ 30% N₂

Muchikamu ichi, okisijeni inogara iripo0%.

Zvokudya Zvakagadzirwa Uye Zvekudya Zvakasanganiswa

Zvokudya zvakagadzirwa zvakaita sepasta, stews, kana pizza zvinowanzo vharwa neMAPI isina okisijeniMusanganiswa unonyanya kuzivikanwa ndewe30% CO2₂/ 70% N₂Kana paine nzvimbo yekuchengetera zvinhu kunze kwenyika kana kuti nzvimbo yekuchengetera zvinhu kwenguva refu, ma processor anogona kusarudza50% CO2₂/ 50% N₂.

Misanganiswa iyi inononotsa kukura kwehutachiona musanganiswa wezvinhu zvinoshandiswa. Nekuti chikafu chakabikwa chinosiyana zvakanyanya, zviyero zvekutanga zvinoshandiswa senzvimbo dzekutarisa uye zvinofanirwa kusimbiswa kuburikidza nekuyedzwa.

Zvigadzirwa zvePasta neBheki

Pasta Itsva

Pasta itsva, isina kubikwa (yakadai seravioli, manoodles, kana tortellini) inowanzoiswa pasi pe50% CO2₂/ 50% N₂musanganiswa. Okisijeni haifaniri kushandiswa zvachose.

Zvigadzirwa zveBheki

Chingwa, mabhanzi, matortilla, nemakeke zvinowanzoenderana ne50% CO2₂/ 50% N₂muzvitoro. Pakugoverwa kwehuwandu, CO₂ inogona kuwedzera kusvika70%(70% CO₂ / 30% N₂). Nitrogen inodzivirira kuputirwa kwepurasitiki kuti isaputsike, ukuwo CO₂ ichidzivirira kukura kwevhu. Okisijeni inoramba iri pedyo nezero kudzivirira kupera simba kana kudonha kwevhu.

Chizi (Chakaoma, Chakapfava, Chakakuyiwa)

Makese Akaoma Kana Akwegura

Zvigadzirwa zvakaita seParmesan kana cheddar yekare zvinowanzoiswa mupurasitiki ine100% CO2₂kana kuti yakavharirwa ne vacuum. Nzira iyi inoshanda zvikuru pakudzvinyirira chakuvhuvhu.

Chizi dzakapfava uye dzakachekwa

Chizi chine kirimu, Brie, cottage cheese, uye mozzarella yakachekwa-chekwa zvinogara zvichishandiswa.30% CO2₂/ 70% N₂Nitrogen inosimbisa kurongedza, ukuwo CO₂ ichideredza kukura kwehutachiona.

Pfupiso:

•Chizi dzakaoma →100% CO2₂
•Chizi chakapfava uye chakachekwa →30% CO2₂/ 70% N₂

Muriwo, Masaladhi, uye Michero

Zvibereko Zvitsva Zvese

Michero nemiriwo yose zvinoda kuenzana kwakanaka kunotsigira kufema pasina kukonzera kuora. Musanganiswa weMAP wakajairika unoshandiswa5% O₂, 5% CO2₂, uye 90% N₂Nzvimbo iyi isina okisijeni yakawanda inononotsa kufema uye kusviba. Musanganiswa uyu unoshandiswa zvakanyanya pakudya masaradhi, miriwo yemashizha, michero, uye michero yakachekwa.

Muriwo Wakabikwa Kana Kuchekwa

Muriwo wakagadzirwa unoita zvakafanana nekudya kwakagadzirwa. Unowanzo shandisa30% CO2₂/ 70% N₂isina okisijeni. Nzira iyi inoshanda zvakanaka pazvinhu zvakaita semasaladhi embatatisi kana ndiro dzakasanganiswa dzemuriwo.

Pfungwa huru:

Zvirimwa zvitsva zvinoda okisijeni shoma (~5%), nepo miriwo yakabikwa ichida CO₂ yakakwira (~30%).

Zvikafu Zvakaomeswa

Zvinhu zvakaomeswa zvakaita sekofi, nzungu, zvekudya zvekukasira, tii, zvinonhuwira, uye hupfu zvinowanzo vharwa ne100% N₂Nitrogen inodzivirira oxidation uye inoita kuti igare kwenguva refu.

Kusarudza Midziyo yeMAP (DJPACK)

Kusanganisa gasi nemazvo kwakakosha kuti MAP ishande zvakanaka. DJPACK (Wenzhou Dajiang) inogadzira mhando dzakasiyana dzeMAP tray sealers dzakagadzirirwa kushambidza gasi nemazvo.DJT-400Guye pasi pakamiraDJL-400Vvanokwanisa kupa zviyero zveO₂/CO₂/N₂ zvinoenderana nezvinodiwa nezvikafu zvakasiyana-siyana–kubva panyama itsva kusvika pakudya kwakagadzirwa kana masaradhi. Tinewo mhando dzakasiyana-siyana dzinoenderana nezvamunoda. Kana muchifarira michina yedu, ndapota tinya “Zvigadzirwa→Michina Yekurongedza Zvinhu Yakagadziriswa Mumhepo"Bhatani kuti udzidze zvakawanda."

Nemakore anopfuura makumi matatu eruzivo mumichina yekurongedza, michina yeDJPACK inoshandiswa zvakanyanya nevanogadzira michina muEurope, Australia, Asia, nedzimwe misika dzakabudiriraHazvina mhosva kuti mutengi anoda huwandu hupi hwegesi, michina yedu inogona kuzviita, uye kunyatsosanganisa gasi kunoramba kuri pamusoro.99%. OurMichina yeMAP yekutsiva vacuum inogara ichibatanidzwa99.5%.

Kuchengetedzeka, Kuedzwa, uye Kuvimbiswa Kwemhando

Zviyero zveMAP zvinotungamira - kwete mitemo yakatarwa. Kushanda chaiko kunoenderana nekugadzirwa kwechigadzirwa, zvinhu zvekurongedza, tembiricha, uye mamiriro ekuchengetera. Nechikonzero ichi, processor yega yega inofanirwa kuita miedzo chaiyo-yenguva-yekushanda kuti ione kuti musanganiswa weMAP wakasarudzwa unowana mhedzisiro yakatarwa.

Matanho ekuona hunhu hwemvura akadai sekuona kuti mvura yabuda here uye kuongorora gasi riri mumusoro zvakakoshawo. Kunyangwe mvura diki inogona kukanganisa mamiriro ekunze ari mupakeji. MAP inofanira kushandiswa nguva dzose pamwe chete nekuchengetedza, hutsanana, uye nzira dzekubata nadzo.

Chiziviso:

Magasi ari mubhuku rino ndiwo mavambo anokurudzirwa. Gara uchisimbisa musanganiswa kuburikidza nekuyedza chigadzirwa.

Mhedziso

Kugadziriswa kweAtmosphere Packaging kunogonesa vagadziri vezvekudya kuti vaderedze kuora nekugadzira mamiriro ekunze ari mukati mepakeji. Okisijeni inobatsira kuchengetedza ruvara, kabhoni dhayokisaidhi inodzivisa kukura kwehutachiona, uye nitrogen inodzikamisa pakeji. Nekushandisa misimboti inoratidzwa muchati yekusanganiswa kwegasi, vagadziri vanogona kusarudza musanganiswa wakakodzera wekutanga wenyama, hove, chizi, miriwo, zvinhu zvebhekari, chikafu chakagadzirira, nezvimwewo.

MAP inoshanda zvakanyanya kana yakabatana nemichina chaiyo uye kudzorwa kwemhando kwakasimba. Kana ikashandiswa nemazvo, inoita kuti zvigadzirwa zvirambe zviri zvitsva, zvakachengeteka, uye zvakagadzirira musika - zvichitsigira macheni ekutengesa kwenguva refu uku zvichideredza marara.

Mazano ari muchinyorwa chino anotsanangura muchidimbu maitiro akajairika eindasitiri uye nhungamiro dzesainzi. ...