ʻO ka Chlorine kahi mea hana maʻamau o ka ʻoihana ʻokiʻoki hou e pale ai i ka hoʻohaumia ʻana i loko o ka wai holoi. Akā ʻo ka haʻahaʻa organik kiʻekiʻe, e like me ka mea maʻamau i nā hua ʻoki hou, hoʻemi i ka pono o ka chlorine ma ka hoʻohana ʻana i ka chlorine manuahi. ʻO kahi mea hoʻopaʻa chlorine hou i kapa ʻia ʻo SmartWash mai New Leaf Food Safety Solutions, Salinas, Calif., hiki ke hoʻomaikaʻi i ka palekana meaʻai i ka wā o ka holoi ʻana a me ka lawe ʻana i ka lumi ʻoki.
ʻO SmartWash kahi mea hoʻopaʻa chlorine i hana ʻia mai ka Generally Recognized As Safe ingredients, a hoʻokō me nā alakaʻi holoi holoi FDA. He pani ia no ka waikawa citric e hoʻoponopono i ka pH o ka wai holoi i ka pae i makemake ʻia, maʻamau 3.5-5.5. Hoʻohui maʻalahi nā mea hana i ka laina, a ke hoʻohana ʻia nei i nā laina ʻōmaʻomaʻo lau o Taylor Farms. Na ka hui makua hoʻokahi, ʻo Taylor Fresh Foods ka New Leaf a me Taylor Farms.
Ua hōʻike ka ʻenehana i nā hopena maikaʻi, akā makemake ka ʻoihana e hōʻoia hou aku i nā pono, no laila ua waiho ʻia i nā mea noiʻi USDA. Ua kākoʻo kālā ʻia kahi noiʻi noiʻi e ka Center for Produce Safety ma ke Kulanui o Kaleponi, Davis, no ka noiʻi hou ʻana ma SmartWash e nā mea noiʻi ʻo Sunny Luo, Xiangwu Nou, Patricia Milner a me Daniel Shelton ma USDA's Environmental Microbial and Food Safety Laboratory, Beltsville, Md.
Ua nānā ka noiʻi i ka hoʻohana ʻana o SmartWash (i kapa ʻia ʻo T-128 i loko o ke aʻo ʻana) i ka wai letus ma nā ʻano like ʻole a me nā wai holoi holoi i loko o ka lepo. Ma ka hope, ua hōʻemi nui ʻo SmartWash i ka hoʻohaʻahaʻa ʻana o ka chlorine manuahi i hoʻohālikelike ʻia i ka mana. ʻOi aku ka maikaʻi o ka hoʻonā stabilizer me ka lepo pālolo ma mua o ka lepo one, akā ʻoi aku ka maikaʻi o nā mea ʻelua ma mua o ka mana.
Hoʻohaʻahaʻa ka stabilizer i ka pH o ka mea holoi holoi, akā ʻaʻole i ʻike nā mea noiʻi i nā pōʻino koʻikoʻi ma ka letus i hoʻohana ʻia i nā hoʻokolohua.
"Ma keʻano laulā, hoʻololi ia i kahi waikawa a hiki ke hoʻohana ʻia e hoʻoponopono i ka pH o ka hopena a hiki ke hoʻohana ʻia e hoʻolōʻihi i ka pau ʻana o ka chlorine manuahi i loko o ka hopena," wahi a Patricia Milner, he microbiologist noiʻi me USDA.
Loaʻa nā pono bacteriocidal hou i ka ʻenehana SmartWash, wahi a Milner. Ma ka 2.5 pakeneka, ua nui ka make-off o nā maʻi pathogen ma hope o 2-10 mau minuke i ka hopena. I ka hoʻohui ʻia ʻana o ka wai lettuce i ka wai holoi, me ka lettuce i hoʻopaʻa ʻia me salmonella a me ʻelua mau ʻano o E. coli, aia nā cell pathogenic i ola ma ka ʻiʻo a i loko o ka wai ma .05 pakeneka, akā ma ka 1 pākēneka aia ke ola ma luna. ʻiʻo akā ʻaʻole i ka hoʻonā.
"ʻOiai aia ka emi ʻana o ka chlorine, aia ka emi ʻana o ka chlorine manuahi i hoʻohana ʻia me T-128," wahi a Milner.
Ma nā ho'āʻo hoʻomalu, hoʻohana koke ʻia ka chlorine manuahi i mua o ka ukana organik. Ke hiki i ka 1-2 pakeneka ka nui o ka wai lettuce i loko o ka hopena, ua hāʻule ka nui o ka chlorine manuahi ma lalo o .3 mau ʻāpana o ka miliona, a ua hiki i nā cell pathogen ke ola ma ia mau uku. Me ka SmartWash/T-128 i ka hoʻonā, ʻoiai ma ke kiʻekiʻe o ka wai wai (2 pakeneka), hāʻule wale ka chlorine manuahi i .41 ppm, ʻaʻole i ʻike ʻia nā cell pathogen ma ia pae.
Ke hoʻolālā nei ka poʻe noiʻi i nā noiʻi hoʻopaʻapaʻa ʻē aʻe ma ke ʻano nui, akā ma muli o nā hopena o kēia noiʻi mua, ʻo SmartWash/T-128 e hōʻemi nui i ka pau ʻana o ka chlorine manuahi, ʻoi aku ka nui o ka lepo, a i kahi pae liʻiliʻi me ka 1 pakeneka wai letus, wahi a Milner. Ho'emi ia i ka ho'ohaumia 'ana o ka letus a me ke ola o E. coli O157:H7 a me salmonella typhimorium, me ka loa'a 'ole o nā hopena 'ino i ka letus mai ka pH emi o ka wai holoi.