Binciken bincike E. coli a cikin sarrafa ganyen ganye

Ci gaba da bincike a Jami'ar Jihar Michigan (MSU) na iya yin babban tasiri kan yadda ake sarrafa ganyen ganye a Amurka.

Wannan a cewar rahoton Elliot Ryser ya ba Majalisar Kayan lambu ta Michigan a cikin Maris. Ryser farfesa ne a Sashen Kimiyyar Abinci da Abincin Dan Adam na MSU. Shi da abokan aikinsa suna aiki kan tsarin tsarin don rage haɗarin E. coli O157:H7 da ke da alaƙa da ganyayen ganye da aka yanka.

A cewar rahoton, binciken yana da manyan manufofi guda hudu: 1) Don tantance yawan canjin E. coli tsakanin ganyen ganye yayin ayyukan sarrafawa. 2) Don tantance ingancin dabarun sa baki don haɓaka aminci da rayuwar rayuwar ɗanyen ganyen da aka yanka da aka gurbata da E. coli. 3) Don haɓaka samfurin haɗari na lissafi don cutar E. coli da ke hade da samarwa da sayar da ganyen ganye. 4) Don watsa sakamakon bincike da dabarun gudanarwa ta hanyar kwamitoci da tarurrukan masu ruwa da tsaki na yanki.

Masu sauraron binciken da aka yi niyya sun haɗa da masu shuka kore, masu sarrafawa, dillalai, masu samar da kayan aiki, hukumomin gwamnati da ƙungiyoyin masana'antu, a cewar rahoton.

Don gamsar da manufar farko, masu binciken sun yi amfani da ganyen ganye tare da E. coli tare da gudanar da su ta hanyar layin sarrafawa, a ƙoƙarin gano adadin E. coli wanda zai canza zuwa kayan aiki yayin sarrafawa.

Masu binciken sun gano cewa, a lokacin sarrafa koren ganye, kashi 83 zuwa kashi 97 cikin XNUMX na inoculum E. coli an canja shi zuwa ruwan wanka. Bayan sarrafa, yawan mutanen E. coli sun kasance mafi girma a kan shredder da na'ura, sai kuma tankin flume da tebur mai girgiza, a cewar rahoton.

"Yana da matukar wahala a kawar da E. coli da zarar ya shiga cikin layin sarrafawa," in ji Ryser.

Masu binciken sun kuma duba canja wurin E. coli daga kayan aiki zuwa samfur. A bayyane yake cewa kwayoyin cutar na iya dawwama kan kayan aiki yayin sarrafa su, kuma daga baya sun gurɓata ɗimbin ganyen ganyen da ba a taɓa samu a baya ba, a cewar rahoton.

Don cimma manufa ta biyu, masu binciken suna duban tasirin radiation na X-ray akan E. coli. A cewar rahoton, FDA ta buga wata ka'ida a bara wanda ke ba da damar amfani da hasken wuta don pasteurizing letus kankara da alayyafo. Sabuwar dokar ta ba wa masana'antar damar yin amfani da fasahar iska mai iska wacce za ta iya kashe E. coli ba tare da cutar da halaye masu kyau ba.

Masu binciken sun yi aiki tare da Rayfresh Foods - Ann Arbor, kamfanin Mich. - akan nazarin X-ray, in ji Ryser.

Binciken ya yi nisa, amma, a cewar rahoton, "Rashin hasara na X-ray yana da fa'idodi da yawa, gami da ingantaccen inganci ga ƙwayoyin cuta na ƙwayoyin cuta ba tare da cutar da ingancin samfur ba da kuma ikon shigar da su cikin sauƙi a wuraren kasuwanci don ci gaba da ciki. sarrafa layi."

Don maƙasudi na uku, an gina wani tsari mai yuwuwa a cikin Excel don yin la'akari da ƙetare E. coli lokacin da gurɓataccen letas ya shiga layin sarrafawa, a cewar rahoton. Sakamako da aka samu daga samfurin "suna ba da shawarar cewa yawancin shirye-shiryen samfur ba za su iya gano E. coli O157:H7 yadda ya kamata ba yayin samarwa. Don haka, idan babu matakin kashe E. coli, ana ba da shawarar yin amfani da tsaftar ruwa mai tsafta ga kayan aiki da kuma wanke ruwan don rage gurɓataccen ƙwayar cuta yayin sarrafawa.”

A ƙarshe, don gamsar da haƙiƙa ta huɗu, an raba bayanan bincike na farko a taron kwamitin gudanarwa a watan Agustan da ya gabata a Columbus, Ohio, tare da taron shekara-shekara na Ƙungiyar Ƙasa ta Duniya don Food Kariya. Hakanan an raba bayanai a taron Majalisar Kayan lambu na Michigan a watan Maris.