Ka mor'a ho qhoma ha E. coli ka 2006 ka har'a spinach e kenngoeng ka mekotleng, li-processor li ntse li batla lisebelisoa tsa tlhahlobo tse potlakileng, tse nepahetseng haholoanyane ho tšoara tšilafalo pele lihlahisoa tse khaotsoeng li tloha setsing.
Empa pele theknoloji e ncha e ka rekisoa le ho rekisoa indastering, e tlameha ho lekoa ka ntle ho lab e etsisitsoeng, kahoo lik'hamphani tsa theknoloji li theha maqhama le li-processor ho theha litharollo tse ncha bakeng sa indasteri. Verdelli Farms, e leng processor ea Harrisburg, Pa.-based e sebetsanang le sepinichi se kolotsoeng, e qalile ho etsa liteko sehlahisoa se secha ho tsoa ho Hanson Technologies, Carlisle, Pa., ka Mots'eanong.
"Hoa utloahala ho ba le moreki - li-processors - ho kenya letsoho moralong ho tloha qalong," ho boletse Kyle Olds, motsamaisi oa tiisetso ea boleng ba Verdelli Farms.
Hanson Technologies e ile ea ikopanya le Verdelli Farms ho tsamaisa lenaneo la sefofane holim'a sekhechana sa lisebelisoa tse kopantseng lits'ebetso tse peli - e 'ngoe e neng e ntse e ntlafatsoa pele ho hopola spinach le e' ngoe e bileng teng ka lebaka la ho qhoma ha E. coli.
"Ba ne ba hloka motho ea ka e lekang maemong a sebele a bophelo," Olds o itse.
E ntse e lekoa moleng oa makhasi a matala a Verdelli a spinach, empa e ka sebelisoa le lihlahisoa life kapa life. Ho na le litaba tse amanang le thepa tse neng li tla tlameha ho rarolloa, kahoo tsamaiso e ne e tla hlophisoa ka tsela e fapaneng bakeng sa spinach joalo ka tamati.
Sistimi e ncha - tharollo ea tlhahlobo ea polokeho ea lijo e potlakileng haholo - ke sekotoana se lekanyang metsi a hlatsoang hore na a na le tšoaetso - ho bona lintho tse phelang le tse shoeleng. Metsi a hlatsoang a etsa sampole e kholo e fanang ka kholiseho e ntle ea lipalo.
Bill Hanson, mopresidente oa Hanson Technologies o itse: "U khona ho etsa sampole hantle liperesente tse 100 tsa lihlahisoa tseo u li tšelang ka tanka ea ho hlatsoa."
Litlhahlobo tsa immunoassay li sebelisoa ho hlahloba litšila tse fapaneng tse 15 'me li ka phethoa ka nako e ka tlase ho lihora tse peli. Litlhahlobo tsa immunoassay li atisa ho ba le maikutlo a fosahetseng, empa kaha metsi a hlatsoang a bolokiloe, ho na le sampuli e ka hlahlojoang hape ka mekhoa e meng. Litekanyetso tsa liteko lenaneong la sefofane li lekoa ka makhetlo a tšeletseng bakeng sa E. coli O157: H7, e ka 'nang ea e-ba "ho feta tekano," Hanson o itse, empa e tla fana ka setšoantšo se betere sa ho nepahala ha tsamaiso.
"Seo se ileng sa re khahla haholo ke ho tšepa liphetho," Olds o itse.
Hobane metsi 'ohle kapa hoo e batlang e le metsi 'ohle a hlatsuoa a entsoe sampuli, ho na le monyetla o motle oa hore litšila li ka bonoa. 'Me tlhahlobo ha e senye sampole kahoo e ka hlahisoa ka mekhoa e meng.
"Ha re qetile, re bolokile sampole eo u ka etsang liteko ka eona," ho boletse Hanson.
Lebelo leo liphetho li khutlang ka lona le file Verdelli Farms setšoantšo se batlang se le teng sa polokeho ea lihlahisoa tsa eona. Thepa e tsoetseng pele ea liteko le eona ha e theko e tlase, ntle le ho boloka litšenyehelo tsa ho se hopole literaka tse tletseng lihlahisoa haeba ho na le phumano e ntle.
"Re tseba karabo pele re kenya lihlahisoa literakeng," Olds o itse.
Ho bohlokoa hore lik'hamphani li sebelisane 'moho ho ntšetsa pele mekhoa ea tlhahlobo ea lihlahisoa tse ncha, ho etsa lisebelisoa tse loketseng limela tse sehiloeng. Liteko tse betere le tsona li tla fana ka ts'ireletso ea brand hobane litekanyetso tse phahameng tsa sampole li tla bona maemo a tlase a pathogen le ho thibela litšila ho fihla ho mosebelisi, Hanson o boletse.