Chinangwa: hupenyu hwesherufu hwakawedzerwa hwezvigadzirwa zvitsva-zvakachekwa.
Muvengi: ethylene gasi rinogadzirwa nekuibva michero nemiriwo zvinokonzeresa kuparara nekuora. Mhinduro: nzira dziri nani dzekurongedza uye nyowani
nzira dzekudzora mhepo mumudziyo.
Kudzora mhepo
Controlling atmosphere first plays out on a larger stage. Controlled atmosphere (CA) storage of apples is commonplace in large rooms containing thousands of bushels of fruit. For other crops, such as tomatoes, ripening and ethylene release is also controlled in large rooms. However, the problem of extending shelf life from processing plant to grocery store to kitchen table — especially after the produce is cut — remains.
MAP (modified atmosphere packaging) inoderedza nzvimbo inodzoreka kubva mukamuri hombe, kana bhegi hombe, kuenda kumudziyo diki.
"Mamiriro akagadziridzwa aingowanikwa akawanda, mabhegi mahombe kana mavhavha mahombe," akadaro Joe Bradford, maneja wezvigadzirwa zvekurongedza. Temkin International. “Zvino zvasiyana zvachose. Isu tave kudzora chero akasiyana ekurongedza anogona kuiswa chisimbiso. "
Containers sehurongwa
Kuwana hupenyu hurefu hwesherufu zvinoreva kutarisisa mamiriro ekunze mukati memudziyo uye mudziyo pachawo, uchivaona sehurongwa.
"Zvakaoma kushandura mamiriro ekunze mukati mepasuru pasina kufunga nezvekupinda kwepasuru, izvo zvinogona kukonzera kutengeserana kana zvasvika pakureruka kwekutengesa kana mhando yechigadzirwa," akadaro Ian Ferguson, mutevedzeri wemutungamiri we. Chantler Packaging.
Kwemakore matanhatu apfuura, Temkin anga achibatanidzwa muMAP mukubatana na Windham Packaging uye mukuru wesainzi wayo, Elizabeth Marston. Anoshanda nevatengi veTemkin kukudziridza mazinga eokisijeni uye kabhoni dhaidhiokisi mukati mepakeji iyo yakanangana nemuchero kana muriwo, kwainotangira uye kwainoenda.
"Kana munhu mumwe achirongedza pondo yebhinzi nyowani muGuatemala patembiricha ye50 degrees, uye mumwe achirongedza muPompano Beach pa55 degrees uye mumwe muSalinas pa46 degrees, zvavanoda zvichange zvakasiyana," akadaro Bradford. . "Tinokwanisa kugadzirisa (mamiriro ekunze) kwete kune zvigadzirwa chete, asiwo kumutengi."
Uchishandisa tekinoroji yemicroperforation, huwandu hunodiwa hweokisijeni uye kabhoni dhayokisaidhi zvinotamirwa mumudziyo wega wega wakavharwa mumudziyo kuburikidza nekuvhurwa kudiki. Izvi zvinononoka kufema uye zvinowedzera hupenyu hwesherufu.
Nekutonga kwakaringana kwemaitiro, hupenyu hwesherufu hunogona kuwedzerwa mavhiki pane mazuva - dzimwe nguva kubva pagumi nemana kusvika pamakumi maviri nerimwe kana kunyange mazuva makumi maviri nemasere, akadaro Bradford.
DeltaTRAK, yakabatana neChantler Packaging, yakagadzira chirongwa chinonzi PrimePro Ethylene Adsorption Packaging (EAP). Iyi sisitimu inosanganisa zvekuwedzera zvakanangana mumafirimu epurasitiki anoshandiswa kuvhara mapallet kana kumabhokisi emabhokisi ezvigadzirwa.
"Tekinoroji yedu yakasiyana nekuti tinotarisa pakudzora mazinga eethylene gasi, kwete kushandura mwero weokisijeni kana carbon dioxide," akadaro Ferguson. "Izvi zvinoita kuti tekinoroji yedu ishande mumashandisirwo angave asina kukodzera kurongedza zvechinyakare zvemumhepo."
At multivac, mhinduro dzekambani dzekurongedza dzakagadzirirwa kuwedzera hupenyu hwesherufu yemasaladhi akagadzirwa uye masaladhi kits, akadaro Bill Williams, maneja wechigadzirwa cheMulivac's tray yakavharwa chigadzirwa mutsara.
Iyo T 300 inline tray sealer inogadzira pasuru iri "tireyi mukati metireyi, ine chisimbiso chimwe kumusoro," akadaro Williams.
Imwe neimwe mhando yesaladhi ine musanganiswa wayo wemagasi anodzoserwa kumashure mupakeji kugadzira chaiyo yakagadziridzwa mamiriro.
Imwe mukana kune sisitimu, uye imwe inobatsira mukuwedzera hupenyu hwechigadzirwa, kuve nyore kwekuchenesa T 300, akadaro Williams.
"Vanhu vachangobva kuchekwa vane hanya, uye nenzira kwayo, nehutsanana: kuchenesa uye kugeza midziyo," akadaro. "Muchina wakachena zvakanyanya ... uye wakavakirwa kuti ugezwe zvachose."
Dzimwe nzira dzeMultivac dzakagadzirirwa kuwedzera hupenyu hwesherufu dzinosanganisira kuchengetedzwa kwepamusoro-kudzvinyirira (HPP), inoshandiswa kuparadza spoilage microorganisms; uye Fresh-SAFE
kurongedza sisitimu yezvigadzirwa zvitsva, inoshandisa MAP uye yakaenzana yakagadziridzwa mamiriro ekurongedza kudhirowa pane microperforated firimu.