Ihlobo selifikile, futhi into edida kakhulu kuwo wonke umuntu ukugcinwa kokudla. Indlela yokuqinisekisa ubusha bokudla sekuyindaba esematheni kulezi zinsuku. Ngakho-ke kufanele sizigcine kanjani izithelo nemifino emisha ehlobo elishisa kangaka? Lapho sibhekene nalesi simo, eminyakeni yamuva, ucwaningo lwesayensi luye lwathola inhibitor ephumelelayo yesenzo se-ethylene -1-MCP. I-1-MCP inhibitor ayigcini nje ngokungenabuthi, ayinabungozi, ayinazinsalela, futhi ayihambisani nemvelo, kodwa futhi isetshenziswa kabanzi ukuze kulondolozwe izithelo, imifino, nezimbali. Ngezansi, sizokwethula imininingwane ethile yomkhiqizo we-1-MCP.
Iyini i-1-MCP?
1-MCP, eyaziwa nangokuthi i-1-Methylcycloprotene,I-CAS 3100-04-7. I-1-MCP iyi-ethylene inhibitor esebenzayo engavimbela uchungechunge lokusabela komzimba kanye ne-biochemical ehlobene nokuvuthwa kwezithelo okubangelwa i-ethylene, ivimbele ukuqina kokuphefumula kwezitshalo, ibambezele ngempumelelo ukuvuthwa kwezithelo kanye nenqubekela phambili yokuguga, igcine ukubukeka kwangempela kanye nekhwalithi yezithelo nemifino isikhathi eside, ukunciphisa ukuhwamuka kwamanzi, ukunciphisa umonakalo we-pathological kanye nokubola kwe-microbial, Ukugcina izinga lokugcina lesithelo. Futhi i-1-MCP ayinabo ubuthi futhi ayinazo izinsalela, ihlangabezana nezinkomba ezihlukahlukene zokulondolozwa kwamavidiyo kazwelonke, futhi ingasetshenziswa ngokuzethemba.
1-MCP Imininingwane
| I-CAS | 3100-04-7 | |
| Igama | ||
| Igama elifanayo | 1-Methylcyclopropene,1-MCP;I-Methylcyclopropen; I-1-Methylcyclopropen ( 1-MCP); Ukugcinwa okusha kwezithelo; 1-methylecyclopropene | |
| MF | ||
| Into | Okujwayelekile
| Umphumela |
| Ukubukeka | Cishe Impushana Emhlophe | Ufanelekile |
| Isivivinyo (%) | ≥3.3 | 3.6 |
| Ukuhlanzeka (%) | ≥98 | 99.9 |
| Ukungcola | Akukho ukungcola kwe-macroscopic | Akukho ukungcola kwe-macroscopic |
| Umswakama (%) | ≤10.0 | 5.2 |
| Umlotha (%) | ≤2.0 | 0.2 |
| Amanzi ancibilikayo | I-1 g yesampula yachithwa ngokuphelele ku-100g wamanzi | Kuhlakazwe ngokugcwele |
1-MCP isicelo
Ngaphambi kokusetshenziswa kwe-1-MCP, izindlela eziningi zokulondolozwa nokugcinwa komzimba zamukelwa: 1. isiqandisi esinezinga lokushisa eliphansi, 2. ukugcinwa komkhathi olawulwayo, kanye 3. nokushisa, ukukhanya, nokwelashwa kwe-microwave. Kodwa-ke, lezi zindlela ezintathu zidinga amandla amaningi kanye nezinsiza, futhi isikhathi side futhi sifushane. Ucwaningo selukhombisile ukuthi i-1-MCP ingaqhudelana ngempumelelo ukuze ibophe ama-ethylene receptors, ibambezele ukuvuthwa kwezithelo nokuguga. Ngenxa yezindawo zayo ezingenabo ubuthi, ukusetshenziswa okuphansi, ukusebenza kahle okuphezulu, kanye nezakhiwo zamakhemikhali ezizinzile, okwamanje isetshenziswa kabanzi ekugcineni izithelo nemifino, ngokusetshenziswa kwemakethe okuphezulu kanye nezinga lokuphromotha.
I-1-MCP ayivimbi kuphela noma ibambezele ukwenzeka kokuguga komzimba ezitshalweni, kodwa futhi inobuthi obuphansi. I-LD50>5000mg/kg empeleni ayiyona into enobuthi; Ukugxiliswa okusetshenzisiwe kuphansi kakhulu, futhi lapho kucutshungulwa izithelo, imifino, nezimbali, ukugxila emoyeni kudinga kuphela ingxenye eyisigidi, ngakho inani elisele ezithelweni, imifino nezimbali ngemva kokusetshenziswa liphansi kangangokuthi alikwazi ukubonwa. ; I-1-MCP iphinde yaphasisa ukuhlolwa kwe-US Environmental Protection Agency (isimemezelo sewebhusayithi ye-EPA) futhi ibhekwa njengephephile futhi ingenabo ubuthi, ifanele ukusetshenziswa ezimbalini nasezithelo nasemifino, futhi iphephile kubantu, izilwane kanye nemvelo. Asikho isidingo sokusungula imikhawulo yomthamo ngesikhathi sokusetshenziswa.
Uyini umbono wemakethe we-1-MCP?
Emazweni ezolimo, inani elikhulu lezithelo nemifino emisha likhiqizwa minyaka yonke. Ngenxa yokuthuthukiswa okungaphelele kwe-cold chain logistics yemikhiqizo yezolimo, cishe u-85% wezithelo nemifino zisebenzisa izinto ezijwayelekile, okuholela ekuboleni nasekulahlekeni okukhulu. Lokhu kunikeza indawo yemakethe ebanzi yokuphromotha nokusebenzisa i-1-methylcyclopropene. Imiphumela yocwaningo ibonisa ukuthi i-1-methylcyclopropene inganciphisa kakhulu ukuthambisa nokubola kwezithelo nemifino, futhi yandise impilo yabo yeshalofu kanye nesikhathi sokugcina. Lokhu kuphetha ukwethulwa kwe1-MCP. Uma ungathanda ukwazi okwengeziwe ngomkhiqizo, ngicela ungishiyele umlayezo.
Isikhathi sokuthumela: Jun-01-2023