Sal común: Diferenzas entre revisións
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Liña 40:
En ocasións engádese [[ferrocianuro de sodio]] ó sal como axente [[antiaglutinante]], aditivo considerado provisionalmente aceptable para ó consumo humano polo [[Comité de Toxicidade]] en 1988.<ref name="hansard.millbanksystems.com">[http://hansard.millbanksystems.com/written_answers/1993/may/05/table-salt Discussions of the safety of sodium hexaferrocyanate in table salt]. Hansard.millbanksystems.com (5 May 1993). Retrieved 7 July 2011.</ref><ref>{{Cita informe técnico|title=Potassium- and sodium ferrocyanides |date=3 de decembro de 2001 |institution=European Commission: Scientific Committee on Animal Nutrition |url=http://ec.europa.eu/food/fs/sc/scan/out70_en.pdf|p=3}}</ref> Este tipo de antiaglutinantes levan empregándose dende o ano 1911, sendo un dos primeiros dos utilizados o [[carbonato de magnesio]].<ref>{{cite web |title=Morton Salt FAQ |url=http://www.mortonsalt.com/faqs/general-company-faqs#q3 |accessdate =12 May 2007}}</ref> Outros axentes antiaglutinantes que adoitan empregarse inclúen o [[fosfato de tricalcio]], carbonatos [[carbonato de calcio|de calcio]] ou de magnesio, outras [[sal (química)|sales]], [[óxido de magnesio]], [[dióxido de silicio]], [[silicato de calcio]], aluminosilicato de sodio e [[aluminosilicato de calcio]].<ref>{{cite web | first1=Wilella Daniels | last1=Burgess | first2=April C. | last2=Mason | url=http://www.ces.purdue.edu/extmedia/HE/HE-625.html | title=What Are All Those Chemicals in My Food? | publisher=School of Consumer and Family Sciences, Purdue University | accessdate=27 February 2011}}</ref>
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O chamado "sal doblemente fortalecido" inclúe sales de iodo e [[ferro]]. Este último utilízase para tratar [[anemia]]s por deficiencia de ferro. Unha das fontes habituais de ferro empregadas para este propósito é o [[fumarato ferroso]].<ref name="Wetphal2010">{{Cite book | last1 = Westphal | first1 = G. | last2 = Kristen | first2 = G. | last3 = Wegener | first3 = W. | last4 = Ambatiello | first4 = P. | last5 = Geyer | first5 = H. | last6 = Epron | first6 = B. | last7 = Bonal | first7 = C. | last8 = Steinhauser | first8 = G. | last9 = Götzfried | first9 = F. | doi = 10.1002/14356007.a24_317.pub4 | chapter = Sodium Chloride | title = Ullmann's Encyclopedia of Industrial Chemistry | year = 2010 | isbn = 3527306730}}</ref> Outro aditivo considerado de especial importancia para as mulleres [[embarazo|embarazadas]] é o [[ácido fólico]], que lle da unha cor amarela ó sal e preven anemias e defectos na [[medula espiñal]].<ref name="Wetphal2010"/>
A lack of [[fluorine]] in the diet is the cause of a greatly increased incidence of [[dental caries]].{{sfn|Selwitz|Ismail|Pitts|2007}} [[Fluoride]] salts can be added to table salt with the goal of reducing tooth decay, especially in countries that have not benefited from fluoridated toothpastes and fluoridated water. The practice is more common in some European countries where [[water fluoridation]] is not carried out. In [[France]], 35% of the table salt sold contains added [[sodium fluoride]].{{sfn|Westphal|Kristen|Wegener|Ambatiello|2010}} -->▼
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▲A lack of [[fluorine]] in the diet is the cause of a greatly increased incidence of [[dental caries]].{{sfn|Selwitz|Ismail|Pitts|2007}} [[Fluoride]] salts can be added to table salt with the goal of reducing tooth decay, especially in countries that have not benefited from fluoridated toothpastes and fluoridated water. The practice is more common in some European countries where [[water fluoridation]] is not carried out. In [[France]], 35% of the table salt sold contains added [[sodium fluoride]].
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