Chlorine bụ ngwá ọrụ a na-ejikarị eme ihe nke ụlọ ọrụ mmepụta ihe ọhụrụ na-emepụta ihe iji gbochie mmetọ obe na ọfụfụ. Ma ibu organic dị elu, dị ka a na-ahụkarị n'ihe a na-emepụta ọhụrụ, na-ebelata irè chlorine site na iji chlorine efu. Ọhụrụ chlorine stabilizer a na-akpọ SmartWash si New Leaf Food Safety Solutions, Salinas, Calif., Nwere ike melite nri nchekwa n'oge a na-asa na ibufe site n'ọnụ ụlọ.
SmartWash bụ chlorine stabilizer nke emere site na nke a na-amata n'ozuzu dị ka ihe adịghị mma, ma na-agbaso ụkpụrụ FDA na-asachapụ. Ọ bụ ihe na-anọchi anya citric acid iji dozie pH nke ngwọta ịsa ahụ na ọkwa a chọrọ, na-abụkarị 3.5-5.5. A na-agbakwunye ngwa a n'ahịrị n'ahịrị, ma na-arụ ọrụ ugbu a na ahịrị akwụkwọ ndụ akwụkwọ ndụ nke Taylor Farms. New Leaf na Taylor Farms bụ otu ụlọ ọrụ nne na nna, Taylor Fresh Foods.
Teknụzụ ahụ gosipụtara nsonaazụ dị mma, mana ụlọ ọrụ ahụ chọrọ nyocha ọzọ nke uru, ya mere e debere ya na ndị na-eme nchọpụta USDA. A kwadoro atụmatụ nyocha site na Center for Produce Safety na Mahadum California, Davis, maka nyocha ọzọ na SmartWash site n'aka ndị nchọpụta Sunny Luo, Xiangwu Nou, Patricia Milner na Daniel Shelton na USDA's Environmental Microbial and Food Safety Laboratory, Beltsville, Md.
Nnyocha ahụ lere anya n'iji SmartWash (nke a na-akpọ T-128 na ọmụmụ) na ihe ọṅụṅụ letus n'ụdị dịgasị iche iche yana n'ịsacha ihe ngwọta nwere ala. Na nke ikpeazụ, SmartWash belatara mmebi nke chlorine efu ma e jiri ya tụnyere njikwa. Ịdị irè nke ngwọta stabilizer dị mma na ala ụrọ karịa ala aja, ma ha abụọ dị mma karịa njikwa.
The stabilizer na-ebelata pH nke ngwọta ịsa ahụ, mana ndị nchọpụta ahụghị mmebi dị ịrịba ama na letus eji na ule.
"N'ozuzu, ọ na-anọchi anya acid na enwere ike iji ya mee ihe iji dozie pH nke ngwọta ahụ ma nwee ike iji mee ka njedebe nke chlorine n'efu na ngwọta kwụsịlata," ka Patricia Milner, onye nyocha microbiologist na USDA kwuru.
Enwere uru bacteriocidal ndị ọzọ na teknụzụ SmartWash, Milner kwuru. Na pasent 2.5, enwere nnukwu ọnwụ nke mkpụrụ ndụ nje mgbe nkeji 2-10 gachara. Mgbe a na-agbakwunye ihe ọṅụṅụ letus na ngwọta na-asachapụ, tinyere letus inoculated na salmonella na abụọ ụdị E. coli, e nwere pathogenic sel ndị dị ndụ na anụ ahụ na n'ime mmiri na .05 percent, ma na 1 percent e nwere nlanarị na. anụ ahụ mana ọ bụghị na ngwọta.
"Ọ bụ ezie na a ka nwere mbelata nke chlorine, enwere mbelata nke chlorine efu ejiri na T-128," Milner kwuru.
N'ime ule nchịkwa, a na-eji chlorine n'efu mee ihe ngwa ngwa n'ihu ibu organic. Mgbe mkpokọta ihe ọṅụṅụ letus ruru pasenti 1-2 na ngwọta ya, ntinye chlorine n'efu dara n'okpuru akụkụ .3 kwa nde, mkpụrụ ndụ nje na-enwekwa ike ịlanarị na ọnụego ndị ahụ. Site na SmartWash/T-128 na ngwọta, ọbụlagodi na ntinye ihe ọṅụṅụ kachasị elu (pasent 2), chlorine efu na-adaba na .41 ppm, ọ dịghịkwa sel pathogen ahụrụ na ọkwa ahụ.
Ndị na-eme nchọpụta na-eme atụmatụ n'ihu ọmụmụ ihe gbasara mmetọ n'ọtụtụ buru ibu, mana dabere na nsonaazụ mbụ a, SmartWash/T-128 na-ebelata mbelata nke chlorine n'efu, ọkachasị n'ihu ala, yana n'ọkwa dị nta. 1 pasent ihe ọṅụṅụ letus, Milner kwuru. Ọ na-ebelata cross-contact of letus site na nlanarị nke E. coli O157:H7 na salmonella typhimorium, ebe ọ dịghị mmetụta ọjọọ na letus si mbelata pH nke ịsa ihe ngwọta.