Chlorine chishandiso chinowanzoshandiswa cheindasitiri nyowani-yakachekwa yekugadzira kudzivirira kusvibiswa kwemuchinjiko mugetsi rekugezesa. Asi huwandu hwakakura hwehugashi, sezvakajairika muzvigadzirwa zvitsva, zvinoderedza kushanda kweklorini nekushandisa chlorine yemahara. Imwe chlorine stabilizer itsva inonzi SmartWash kubva kuNew Leaf Food Safety Solutions, Salinas, Calif., Inogona kuvandudza kuchengetedzwa kwechikafu panguva yekugeza uye kutakura nemukamuri yekucheka.
SmartWash i chlorine stabilizer yakagadzirwa kubva Kunozivikanwa Sezviviri Zvakachengeteka, uye inoenderana neFDA kugadzira-wash nhungamiro. Iyo inotsiva citric acid kugadzirisa pH yemhinduro yekugezesa kusvika padanho rinodiwa, kazhinji 3.5-5.5. Midziyo yacho inowedzerwa zviri nyore mukati, uye parizvino inoshandiswa muTaylor Farms 'mashizha akasvibira mitsara. New Leaf neTaylor Farms ndedzekambani yevabereki mumwechete, Taylor Fresh Foods.
Iyo tekinoroji yakaratidza mhedzisiro yakanaka, asi kambani yaida kuwedzeredzwa kweiyo mabhenefiti, saka yakaendeswa kune USDA vaongorori. Chikumbiro chekutsvaga chakatsigirwa neCentre for Produce Safety paYunivhesiti yeCalifornia, Davis, kuti iwedzere kudzidza nezve SmartWash nevaongorori Sunny Luo, Xiangwu Nou, Patricia Milner naDaniel Shelton kuUSDA's Environmental Microbial uye Food Safety Laboratory, Beltsville, Md.
Tsvakurudzo yakatarisa kushandiswa kweSmartWash (inonzi T-128 muchidzidzo) mune lettuce muto pahuwandu hwakasiyana uye mukugezesa mhinduro dzine ivhu. Mune yekupedzisira, SmartWash yakaderedza zvakanyanya kuderedzwa kwemahara chlorine kana ichienzaniswa nekutonga. Kubudirira kwekugadzirisa kwekugadzirisa kwaiva nani nevhu revhu pane nevhu rejecha, asi zvose zviri nani kudarika kutonga.
Iyo stabilizer inodzikisira pH yemhinduro yekugezesa, asi vaongorori havana kuwana kukuvadza kunoshamisa pane lettuce inoshandiswa mumiedzo.
"Kazhinji, inotsiva asidhi uye inogona kushandiswa kugadzirisa pH yemushonga uye inogona kushandiswa kuderedza kupera kwemahara chlorine mumhinduro," akadaro Patricia Milner, anoongorora microbiologist ane USDA.
Paive nekuwedzera bacteriocidal mabhenefiti kuSmartWash tekinoroji, Milner akadaro. Pa2.5 muzana, pakanga paine zvakakosha kufa-kubviswa kwemaseru epathogen mushure memaminitsi 2-10 mumhinduro. Apo lettuce juice yakawedzerwa kumushonga wekugeza, pamwe chete nelettuce inoculated ne salmonella uye marudzi maviri eE. coli, pakanga pane masero epathogenic akapona pamucheka uye mumvura pa .05 muzana, asi pa1 muzana pakanga pane kupona tishu asi kwete mumhinduro.
"Kuchiri kudzikira kweklorini, pane kudzikira kweklorini yemahara inoshandiswa neT-128," Milner akadaro.
Mukuedzwa kwekutonga, chlorine yemahara yakashandiswa nekukurumidza pamberi peiyo organic load. Apo lettuce juice concentration yakasvika 1-2 muzana mumushonga, mahara chlorine concentration yakadonha pasi pe .3 zvikamu pamiriyoni, uye masero epathogen akakwanisa kurarama nemazinga iwayo. NeSmartWash / T-128 mukugadzirisa, kunyange pahuwandu hwejusi yepamusoro (2 muzana), chlorine yakasununguka yakangodonha kusvika .41 ppm, uye hapana masero epathogen akaonekwa pamwero iwoyo.
Vatsvakurudzi vari kuronga zvimwe zvidzidzo zvekusvibisa-kusvibiswa pamwero mukuru, asi zvichibva pamigumisiro yekutsvakurudza kwekutanga, SmartWash / T-128 inoderedza zvakanyanya kupera kwechlorine yemahara, kunyanya pamberi pevhu, uye kusvika pamwero wakaderera 1 muzana lettuce juice, Milner akadaro. Inoderedzawo kusvibiswa kwemuchinjika welettuce nekupona kweE. coli O157:H7 uye salmonella typhimorium, asi isina mhedzisiro yakaipa pa lettuce kubva kune yakaderedzwa pH yewash solution.