Thlai leh thlai tharte chu an lak chhuah hnuah pawh a nung reng a, thawk chhunzawm zelin nun thiltih chak tak takah an inhmang chhunzawm zel a ni. Khawthlang lamah chuan thawkna (respiratory metabolism) hian thei leh thlai chi hrang hrangte ei tur leh tui a ei a, an hmel leh an quality a nghawng a; a lehlamah chuan natna thlentu microorganisms-in a kai chuan thei leh thlai a ti ro thei bawk. Chuvângin, thei leh thlai tharte chu an dahna, an phurh chhuah leh an hralh laiin an lo hring fo va, an quality a tlahniam a, an ro ṭhîn a, chu chuan an ei tûr hlutna a tihniam phah a ni.
Packaging tha hian thei leh thlai tharte a humhalh bakah a chhe lutuk a ti tlem a, shelf life a ti rei bakah consumer te a hip a, product hman a tipung bawk. Tunah hian thei leh thlai thar siamna atana hmanraw hman tam ber chu plastic film a ni. Transparency, heat insulation, breathability, sealing, leh man tlawm te ang chi thatna a nei a, market application prospect zau tak a nei bawk. A hnuaia tarlan te hian thei leh thlai thar humhalh dan tur kan rawn tarlang dawn a ni.
High-density microporous polyethylene bags te chu a awm a
Tun hnaiah he packaging material hi ram pawnah thei thar packaging atan an hmang nasa hle a ni. Thei physiological characteristics leh oxygen leh carbon dioxide concentration an tuar theih dan a zirin film bag-ah hian micropores (40μm) engemaw zat dah belh theih a ni a, hei hian gas exchange a tichak a, bag chhunga humidity leh volatile metabolites a tihziaawm bakah, bag chhunga oxygen concentration chu a sang hle (<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.
High-oxygen modified packaging a ni
Tun hnaiah packaging method chi thar lo chhuak a ni. Oxygen self-chlorinated bag tam takah hian oxygen awm zat chu 70-100% ah a awm tlangpui. He packaging hian a hnuaia thatnate hi a nei a: (1) enzyme activity a titawp a, thei leh thlai thil siamte browning a veng bawk; (2) anaerobic respiration a veng a, thei leh thlai thil siam quality a vawng reng bawk; (3) hian microorganisms te aerobic leh anaerobic growth tha takin a titawp a, rot a veng bawk a, chuvangin ngaihven a hlawh hle. A bik takin thei leh thlai thar leh thei leh thlai thar, anaerobic respiration leh fermentation nei awlsam, carbon dioxide concentration sang leh oxygen concentration hniam hnuaia humhalh nan a tha hle. Chutih rual chuan bag chhunga gas awmte combination ratio chu thei leh thlai chi hrang hrangte ziarang a zirin an chhut a ni.
Biodegradable packaging material thar siam a ni
Hun rei tak{0}}Chemical disinfectant hman hian mihring hriselna a tichhe ang a, boruak a ti bawlhhlawh ang tih ngaihtuahna avang te, plastic film packaging mamawhna sang zel leh "white pollution" chungchanga harsatna lian zel nen chuan, mipuiten packaging materials atana an hnathawh dan tur an mamawh chu himna, non-toxicity, leh environment friendliness lam hawiin a inthlak ta a ni. Biodegradable packaging material thar hi international food packaging field-ah chuan thupui lar tak a ni. Biodegradable polymer material chi hrang hrang a hmang a, biological bactericides a dah tel bawk a, hna hrang hrang, humhalh, tihchhiat leh boruak humhalh te a inzawm khawm a ni. He packaging material hi hman a awlsam a, a bik takin thei leh thlai thar-cut leh ei tur siam chhuah packaging atan a tha hle a, nakin lawkah ei tur thar packaging lamah pawh hman theihna zau tak a nei bawk.
