Miraha iyo khudaarta cusub waa ay sii noolaadaan ka dib marka la soo gooyo, iyaga oo sii wada neefsiga oo ku lug leh hawlo nololeed oo xooggan. Dhinaca kale, dheef-shiid kiimikaadka neefsashada ayaa cuna miraha iyo khudaarta nafaqooyinkooda iyo biyaha, taasoo saameynaysa muuqaalkooda iyo tayada; Dhanka kale, infekshanka bakteeriyada pathogenic microorganisms waxay keeni kartaa miraha iyo khudaarta inay qudhunto. Sidaa darteed, miraha iyo khudaarta cusub inta badan way daalaan, hoos u dhacaan tayada, wayna qudhmaan inta lagu jiro kaydinta, gaadiidka, iyo iibinta, sidaas darteed hoos u dhigista qiimaha cuntada.
Baakadaha wanaagsani ma aha oo kaliya inay caawiyaan ilaalinta miraha iyo khudaarta cusub, yaraynta kharriban iyo kordhinta nolosha shelf, laakiin sidoo kale waxay soo jiidataa macaamiisha waxayna kor u qaadaysaa isticmaalka alaabta. Filimka caaga ah ayaa hadda ah baakadaha ugu badan ee loo isticmaalo miraha iyo khudaarta cusub. Waxay leedahay faa'iidooyin sida hufnaan, dahaarka kulaylka, neefsashada, xidhidhiyaha, iyo qiimo jaban, waxayna leedahay rajooyin suuqa oo ballaaran. Kuwa soo socdaa waxay soo bandhigi doonaan habab lagu ilaaliyo miraha iyo khudaarta cusub.
Bacaha polyetylenka cufnaanta sare-
Sanadihii la soo dhaafay, alaabtan baakadaha ayaa si weyn loogu isticmaalay dibadda si loogu baakeeyo miraha cusub. Iyada oo ku saleysan sifooyinka jir ahaaneed ee miraha iyo dulqaadkooda oksijiinta iyo uruurinta kaarboon dioxide, qadar gaar ah oo micropores ah (40μm) ayaa lagu dari karaa bacda filimka si kor loogu qaado sarrifka gaaska, la yareeyo huurka iyo dheef-shiid kiimikaadka kacsan gudaha bacda, iyo ilaalinta feejignaanta oksijiinta gudaha boorsada heer aad u sarreeya (<1% O2). This prevents excessive oxygen concentration from causing anaerobic respiration, thereby avoiding the accumulation of large amounts of volatile substances such as ethanol and acetaldehyde, which would affect the flavor of the fruit. The oxygen concentration inside the film bag can generally be maintained at around 10-15%, and it is highly tolerant of carbon dioxide concentration, making it especially suitable for fruits and vegetables with high humidity, particularly tropical fruits. In other countries, these packaging bags are used to store "frozen" cherries, which can be preserved for 80 days in ordinary cold storage while maintaining the flavor and quality of the fruit.
Baakad sareeysa-
Waa nooc cusub oo hab baakad ah oo soo baxay sanadihii ugu dambeeyay. Waxa ku jira ogsajiinta ku jirta{1}ogsajiin iskeed u saraysa{2}}bacaha koloriinaysan waxa badanaa lagu hayaa 70{9}}100%. Baakadani waxay leedahay faa'iidooyinka soo socda: (1) waxay joojisaa dhaqdhaqaaqa enzyme waxayna ka hortagtaa browning ee khudradda iyo khudradda; (2) waxay ka hortagtaa neefsashada anaerobic waxayna ilaalisaa tayada khudradda iyo khudradda; (3) waxay si wax ku ool ah u joojisaa koritaanka aerobic iyo anaerobic ee microorganisms waxayna ka hortagtaa qudhunka, sidaas darteed waxay soo jiidatay dareen badan. Waxay si gaar ah ugu habboon tahay ilaalinta miraha iyo khudaarta cusub iyo miraha iyo khudaarta cusub ee la jarjaray kuwaas oo u nugul neefsiga anaerobic iyo halsano hoos yimaada feejignaanta karbon dioxide sare iyo feejignaanta oksijiinta oo yar. Isla mar ahaantaana, saamiga isku dhafka ah ee gaasaska gudaha bacda ayaa lagu go'aamiyaa iyadoo loo eegayo sifooyinka miraha iyo khudaarta kala duwan.
Qalab cusub oo baakad ah oo bayoolajirtay
Sababo la xiriira walaaca laga qabo in isticmaalka muddada dheer ee jeermis-dileyaasha kiimikadu ay dhaawacayso caafimaadka bini'aadamka oo ay wasakhayso deegaanka, oo ay weheliso baahida sii kordheysa ee baakadaha filimada caagga ah iyo dhibaatada sii kordheysa ee "wasakhowga cad," shuruudaha shaqada ee dadka ee agabka baakadaha ayaa u wareegay dhanka badbaadada, suntan la'aanta, iyo deegaanka saaxiibtinimo. Qalabka cusub ee baakadaha noole-ka-baxsan ayaa ah mawduuc cusub oo kulul goobta baakadaha cuntada ee caalamiga ah. Waxay isticmaashaa noocyo kala duwan oo ah walxo polymer-ka noolaha ah waxayna ku daraysaa bakteeriyada noolaha, isku darka hawlo badan sida ilaalinta, xaalufka iyo ilaalinta deegaanka. Walxaha baakaduhu waa sahlan tahay in la isticmaalo, gaar ahaan ku habboon baakooyinka cusub{5}}miraha iyo khudaarta la jarjaray iyo cuntada la kariyey, waxayna leedahay rajooyin ballaadhan oo xagga baakadaha cuntada cusub mustaqbalka.
