Lima salt is harvested in the olho region on the portuguese coast in the natural reserve of ria formosa harvest is done entirely manually in a traditional manner so that only sea water sun wind and human efforts are used in the production process the salt thus obtained is not refined and does not contain any whitening anti caking or anti humidity agents eg ferrocyanide tricalciumphosphate alumine calcium silicate it owes its high nutritional value to the absence of a re