Mercury a cikin syrup na masara

Kasancewar mercury a cikin syrup na masara wata gardama ce ta kiwon lafiya wacce ta taso saboda binciken da yawa da suka gano cewa ragowar mercury ne a cikin syrup na masara mai tsami (HFCS) da aka yi amfani da shi a cikin kayayyakin abinci. Wannan yana da mahimmanci saboda yanayin guba na mercury da alaƙar ta da nakasa ta ilmantarwa da cututtukan zuciya. 

Tarihin bincike

Nazarin daban-daban guda uku tsakanin 2009-2010 sun sami mercury a cikin babban syrup na masara ko kayan abinci da ke dauke da babban syrup mai na masara.   Babban binciken farko ya jagoranci mai ba da labari na Amurka Food and Drug Administration (FDA), wanda ya fara bincikenta yayin da yake aiki a matsayin Jami'in Lafiya na Muhalli (EHO) a FDA a shekara ta 2004.   Dufault ta bar hukumar don buga bincikenta, wanda aka bayyana a fili shekara guda bayan ta bar FDA. Wani mai binciken filin FDA ya tattara samfurori na masara mai tsayi (HFCS) ba tare da gargadi daga masu gyaran masara daban-daban ba a cikin makon Fabrairu 17-24, 2005.  Daga cikin samfurori ashirin da aka bincika, an sami raguwar mercury a cikin tara kuma an buga sakamakon binciken a cikin mujallar Environmental Health a cikin 2009.

A cikin binciken da David Wallinga ya jagoranta a Cibiyar Aikin Gona da Manufofin Ciniki (IATP) , an bincika abinci hamsin da biyar tare da HFCS da aka jera a matsayin sinadarin farko ko na biyu, don mercury. Daga cikin samfuran hamsin da biyar, an gano mercury a cikin samfurori goma sha bakwai kuma an buga sakamakon a cikin rahoton hukuma a watan Janairun 2009.

Karen Rideout ce ta jagoranci binciken na uku a Cibiyar Haɗin gwiwar Kiwon Lafiya ta Kasa a Kanada a cikin 2010. Dufault, Renee; LeBlanc, Blaise; Schnoll, Roseanne; Cornett, Charles; Schweitzer, Laura; Wallinga, David; Hightower, Jane; Patrick, Lyn; Lukiw, Walter J. (2009-12-02). "Mercury from chlor-alkali plants: measured concentrations in food product sugar". Ehjournal. 8 (1): 2. Bibcode:2009EnvHe...8....2D. doi:10.1186/1476-069X-8-2. ISSN 1476-069X. PMC 2637263. PMID 19171026. Kungiyar Rideout ta tattara samfuran syrup na ƙasar Kanada guda tara waɗanda ke dauke da HFCS (wanda aka sani da glucose-fructose) a matsayin sinadarin farko ko na biyu daga manyan shagunan kayan masarufi a Vancouver. Dukkanin samfurori da ƙungiyar Rideout ta tattara an bincika su don mercury kuma maida hankali ya kasance daga 0.220 -1.92 ug / l. An sake nazarin sakamakon kuma an buga shi a matsayin sharhi game da labarin da Dufault da abokan aikinta suka buga a cikin Lafiya ta Muhalli a cikin 2010,  shekara guda bayan Ƙungiyar Masu Rarraba Masara ta yi iƙirarin cewa babu matakan da za a iya ƙididdigewa na mercury a cikin manyan wuraren samar da masara da aka ƙera a Amurka da Kanada. 

 Sanannun tushen mercury a cikin high-fructose masara syrup 
The presence of mercury in HFCS has been attributed to the use of mercury-grade caustic soda and mercury-grade hydrogen chloride in the corn syrup manufacturing process.Dufault, Renee; LeBlanc, Blaise; Schnoll, Roseanne; Cornett, Charles; Schweitzer, Laura; Wallinga, David; Hightower, Jane; Patrick, Lyn; Lukiw, Walter J. (2009-01-26). "Mercury from chlor-alkali plants: measured concentrations in food product sugar". Ehjournal. 8 (1): 2. Bibcode:2009EnvHe...8....2D. doi:10.1186/1476-069X-8-2. ISSN 1476-069X. PMC 2637263. PMID 19171026. Both chemicals are found to contain mercury residues when derived from the mercury-cell chlor-alkali chemical manufacturing process. Another source of the mercury residue in HFCS, however, is the routine application of mercuric chloride (0.01 M) on the corn during the starch extraction process.

 Manazarta