Paulo Lowndes Marques
Lisbon and OPorto Factory Houses, British Merchants and Ec. Relations
The importance of quinine to combat malaria over the centuries cannot be overestimated. This was also true of riverside areas of Portugal, especially in the south. The valley of the Sado was particularly affected and the Marquis of Pombal imported African labourers to grow rice, in the hope that they would be less susceptible.
The article refers to a very successful medicine based on quinine that was discovered by a Jewish Portuguese doctor living in England, Jacob de Castro Sarmento. This Agoa (or Água) de Inglaterra was so popular that several forgeries were made and sold.
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