akụkọ

Julaị bụ oke okpomọkụ, n'oge okpomọkụ na-ekpo ọkụ ma na-ekpo ọkụ, nri nwere ike ịghọ ihe na-eme ka nje bacteria dị mma n'oge ọ bụla. Karịsịa mkpụrụ osisi na akwụkwọ nri, ọ bụrụ na echekwaghị mkpụrụ osisi na akwụkwọ nri ọhụrụ na friji, a na-echekwa ha naanị otu ụbọchị. N'oge ọkọchị ọ bụla, enwere ọtụtụ ọrịa afọ ọsịsa nke "iri nri na-adịghị mma", ma ndị okenye ma ụmụaka, na-abụkarị ndị na-eri oke "oyi". N'ezie, nri ma ọ bụ ihe ọṅụṅụ dị ala na-eme ka ụfọdụ ndị enyi nwee peristalsis eriri afọ ngwa ngwa, mana ha anaghị eme ka ndị mmadụ gbaa ọsọ gaa ụlọ mposi ọtụtụ ugboro n'ụbọchị. Yabụ n'oge a, ihe mbụ ị ga-atụle bụ ọrịa eriri afọ nke ịdị ọcha nri kpatara. Nri a na-eri ọ̀ na-ere ere ma na-emebi emebi? Yabụ kedu ka anyị ga-esi rie mkpụrụ osisi na akwụkwọ nri ọhụrụ n'oge okpomọkụ na-ekpo ọkụ?

N'oge a, ihe mbụ anyị na-eche bụ ebe a na-echekwa friji. Agbanyeghị, e nwere ọtụtụ ụdị nri na ihe ọṅụṅụ echekwara na friji, gụnyere ọtụtụ nri ndị na-etinye nje bacteria n'ime friji, dịka àkwá nwere ike ibu salmonella, na anụ e siri esi, mkpụrụ osisi na akwụkwọ nri nwere ike ibu nje Escherichia coli, ọrịa Staphylococcus aureus na nje bacteria. Refrji ahụ nwekwara ndụ nchekwa maka nchekwa. N'ozuzu, a ga-eri nri nke na-ewe ụbọchị 2-3, ma ọ bụghị ya, ọ ga-ere ere na friji ka oge na-aga. N'otu oge ahụ, refji ahụ nwekwara ebe nchekwa ụfọdụ, nke a na-eji naanị maka ojiji ezinụlọ. Ọ bụrụ na ọ bụ nnukwu ụlọ ahịa, kedu ka anyị ga-esi debe nri ọhụrụ n'aka ndị ahịa anyị na-azụta?

Site na mmepe nke akụnụba ụwa ọnụ, mbubata na mbupụ mkpụrụ osisi na akwụkwọ nri aghọwo ihe a na-ahụkarị. N'agbanyeghị ọnọdụ a, anyị ga-amụ ụdị nchekwa ọhụrụ — 1-MCP mkpụrụ osisi na akwụkwọ nri. Ozugbo emepụtara ngwaahịa ahụ, ọ natara nzaghachi dị elu. N'ihi na nke a bụ ihe nchekwa na-adịghị egbu egbu, nke dị oke nchebe, ma dịkwa irè nke ukwuu. Na-esote, ka anyị kwuo maka ihe ndị dị na nchekwa mkpụrụ osisi na akwụkwọ nri 1-MCP.

Kedu ihe bụ 1-Methylcyclopropene?

1-Methylcyclopropene, nke a kpọrọ 1-MCP n'asụsụ Bekee,CAS 3100-04-7Usoro kemịkalụ bụ C4H6. N'okpuru okpomọkụ na nrụgide nkịtị, ọdịdị ya bụ gas na-enweghị agba, ọ naghị egbu egbu ma na-enweghị ụtọ, yana njupụta nke 0.838g/cm3. Ọ bụ ngwakọta Cyclopropene na-arụ ọrụ nke ukwuu. 1-Methyl Cyclopropene bụ ihe na-achịkwa uto osisi ma a na-ejikarị ya eme ihe n'ọhịa nchekwa osisi. O nwere uru dị ka obere oriri, mmetụta nchekwa dị mma na nchekwa dị elu.

Àgwà nke 1-MCP

1-MCP nwere ike igbochi ntọhapụ nke ethylene site na osisi n'onwe ha, ma gbochie njikọ nke ethylene na ndị nnata metụtara ya na mkpụrụ ndụ osisi, si otú a gbochie mmetụta ethylene na-eto. Ya mere, itinye 1-Methylcyclopene nwere ike ịgbatị oge ntozu na ịka nká nke osisi nke ọma, si otú a na-agbatị ndụ nchekwa ha, na-ebelata nrụrụ aka na mfu n'oge njem na nchekwa, ma na-agbatị ndụ nchekwa nke ngwaahịa.

Ngwa nke 1-MCP

1-MCPenwere ike itinye ya n'ichekwa mkpụrụ osisi, akwụkwọ nri, na okooko osisi iji gbochie nkụchi osisi. Dịka ọmụmaatụ, mgbe etinyere ya na mkpụrụ osisi na akwụkwọ nri dịka apụl, ube, plum, kiwifruit, na tomato, ọ nwere ike igbu oge ịcha ha, belata mmiri ịpụ apụ, ma nọgide na-enwe ike, ụtọ, na ihe mejupụtara nri ha; N'ihe gbasara nchekwa okooko osisi, ọ nwere ike ịnọgide na-enwe agba na isi ísì nke okooko osisi. Na mgbakwunye, 1-Methylcyclopene nwekwara ike ime ka iguzogide ọrịa osisi ka mma.1-Methylcyclopenebụ ihe ọhụrụ dị mkpa n'ichekwa mkpụrụ osisi na akwụkwọ nri mgbe emezigharịrị nchekwa ikuku.

Mgbe ọrịa a gbasasịrị, akụ na ụba gbakere, mmepe nke azụmaahịa ụwa na-agbasakwa nwayọ nwayọ. Kwa afọ, mba ọ bụla na-emepụta ọtụtụ mkpụrụ osisi na akwụkwọ nri ọhụrụ dị na mpaghara ahụ. N'ihi mmepe zuru oke nke usoro ọrụ ugbo oyi, ihe dị ka 85% nke mkpụrụ osisi na akwụkwọ nri jiri usoro ọrụ nkịtị, nke butere nnukwu mfu ire ere, nke nyekwara ohere sara mbara maka nkwalite na itinye n'ọrụ nke1-methyl CyclopropeneYa mere, a pụrụ ịhụ na 1-MCP nwere atụmanya mmepe sara mbara, ọ bụghị naanị maka mkpụrụ osisi na akwụkwọ nri dị iche iche nke na-ebelata ikuku iku ume, kamakwa ọ nwere ike ịgbatị nchekwa na ndụ nchekwa mgbe owuwe ihe ubi gasịrị nke ọma, ọkachasị maka mkpụrụ osisi na akwụkwọ nri ndị nwere mmetụta ethylene, ma nwee ike ịnọgide na-enwe àgwà mbụ nke mkpụrụ osisi na akwụkwọ nri ruo ogologo oge.