Thireyi ya VSP (Vacuum Skin Packaging tray) ndi njira yapadera yopakira yomwe idapangidwa kuti iwonjezere nthawi yogwiritsira ntchito komanso kuwonetsa zakudya zomwe zimatha kuwonongeka.
Kawirikawiri imagwiritsidwa ntchito mumakampani opanga chakudya polongedza nyama yatsopano, nsomba zam'madzi, nkhuku, ndi zakudya zokonzeka kudyedwa.
Thireyi imagwira ntchito potseka filimu yopyapyala mozungulira chinthucho, ndikupanga vacuum yomwe imaletsa kukhuthala ndi kuipitsidwa.
Thireyi ya VSP imagwira ntchito kudzera mu njira yopangira khungu la vacuum yomwe imachotsa mpweya wochulukirapo isanatseke chinthucho.
Filimuyo imatenthedwa ndi kutambasulidwa pamwamba pa chinthucho, imamatira mwamphamvu popanda kuwononga kapena kusintha mawonekedwe ake achilengedwe.
Njira iyi imasunga chakudya kukhala chatsopano, kapangidwe kake, ndi mtundu wake pomwe imaletsa kutuluka kwa madzi ndi kusowa madzi m'thupi.
Ma tray a VSP nthawi zambiri amapangidwa ndi zipangizo zapulasitiki zotchinga kwambiri , monga PET (Polyethylene Terephthalate), PP (Polypropylene), ndi PE (Polyethylene).
Zipangizozi zimapereka kulimba, kukana chinyezi, komanso magwiridwe antchito abwino kwambiri otsekera kuti zitsimikizire kuti zinthuzo ndi zotetezeka.
Opanga ena amaperekanso njira zina zosawononga chilengedwe monga ma treyi a VSP obwezerezedwanso komanso owonongeka kuti alimbikitse kukhazikika kwa chilengedwe.
Ma tray a VSP amapereka zabwino zambiri, kuphatikizapo:
Kutalikitsa nthawi yosungiramo zinthu mwa kuchepetsa mpweya woipa.
Mapaketi oteteza kutuluka kwa madzi komanso osaphwanyika kuti akhale aukhondo kwambiri.
Kuwoneka bwino kwa chinthucho chifukwa cha filimu yowonekera bwino komanso yotseka bwino.
Kuchepetsa kuwononga chakudya mwa kusunga chakudya chatsopano kwa nthawi yayitali.
Kugwiritsa ntchito bwino malo posungira ndi mayendedwe.
Ma thireyi a VSP ndi ogwiritsidwa ntchito m'njira zosiyanasiyana ndipo ndi oyenera zinthu zosiyanasiyana, kuphatikizapo:
yatsopano Nyama (ng'ombe, nkhumba, nkhuku, mwanawankhosa).
Zakudya zam'madzi (nsomba za nsomba, shrimp, lobster).
Zakudya zokonzeka kudya ndi zinthu zopatsa thanzi.
Tchizi ndi zinthu zina zopangidwa ndi mkaka.
Nyama zokonzedwa , monga masoseji ndi nyama yankhumba.
Kubwezeretsanso kwa mathireyi a VSP kumadalira zipangizo zomwe zimagwiritsidwa ntchito popanga.
Mathireyi opangidwa kuchokera ku zinthu zonga PET amatha kubwezeretsedwanso, pomwe mathireyi okhala ndi zigawo zambiri okhala ndi ma polima osiyanasiyana angakhale ovuta kuwabwezeretsanso.
Opanga tsopano akupanga njira zina zokhazikika , kuphatikizapo njira zosungira manyowa ndi zobwezeretsanso za VSP.
Ma VSP clocking amathandiza kuti chakudya chikhale chotetezeka mwa kupereka chisindikizo chotetezeka komanso chopanda mpweya chomwe chimaletsa kuipitsidwa ndi mabakiteriya.
Njira yochotsera mpweya m'thupi imachotsa mpweya wochuluka, kuchepetsa chiopsezo cha kukula kwa nkhungu, yisiti, ndi mabakiteriya.
Kuphatikiza apo, mathireyi a VSP satulutsa madzi , kuonetsetsa kuti madzi ndi zakumwa zimakhalabe m'malo mwake, zomwe zimathandiza kuti zisawonongeke ndi zinthu zina.
VSP (Vacuum Skin Packaging) ndi MAP (Modified Atmosphere Packaging) zonsezi zimagwiritsidwa ntchito kutalikitsa nthawi yogwiritsira ntchito koma zimasiyana mu njira zawo.
Ma thireyi a VSP amagwiritsa ntchito filimu yomatira bwino yomwe imamatira kwambiri ku chinthucho, ndikuchotsa mpweya wonse.
Kupaka kwa MAP kumalowetsa mpweya m'malo mwa mpweya wosakanikirana ndi mpweya wolamulidwa koma sikukhudza filimuyo mwachindunji ndi chinthucho.
VSP ndi yabwino kwambiri popereka zinthu zapamwamba , pomwe MAP imagwiritsidwa ntchito kwambiri pazinthu zomwe zimafuna mpweya wabwino..
Inde, mathireyi a VSP ndi abwino kugwiritsa ntchito mufiriji ndipo amathandiza kusunga khalidwe la chinthucho nthawi yayitali.
Amaletsa kutentha mufiriji mwa kuchepetsa mpweya, kusunga kapangidwe ka chakudya ndi kukoma kwake.
Mathireyi ena a VSP amapangidwa kuti aziteteza chifunga komanso kuzizira , zomwe zimathandiza kuti zinthu zizioneka bwino ngakhale zitazizira.
Ma treyi a VSP angapezeke kwa opanga ma phukusi apadera, ogulitsa zinthu zambiri, ndi ogulitsa.
HSQY ndi kampani yotsogola yopanga mathireyi a VSP ku China, yomwe imapereka njira zosiyanasiyana zomangira mathireyi zolimba komanso zosawononga chilengedwe.
Pa maoda ambiri, mabizinesi ayenera kufunsa za mitengo, njira zosinthira, ndi njira zotumizira kuti atsimikizire kuti zinthu zagulitsidwa bwino.