Castile soap

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A bar of Castile soap

Castile soap is a name used in English-speaking countries for olive oil based soap made in a style similar to that originating in the Castile region of Spain.

History[edit]

The origins of Castile soap go back to the Levant, where Aleppo soap-makers have made hard soaps based on olive and laurel oil for millennia.[citation needed]

It is commonly believed[by whom?] that the Crusaders brought Aleppo soap back to Europe with them in the 11th century, based on the claim that the earliest soap made in Europe was just after the crusades, but in fact the Romans in the first century AD knew about soap and Zosimos of Panopolis ca. 300 AD described soap and soapmaking.[1] Following the Crusades, production of this soap extended to the whole Mediterranean area. The first European soap-making factories were created by Muslims[citation needed] in the 12th century in Spain (Alicante, Malaga, Cartagena and Castile) and in Italy (Naples, Savone, Genoa, Bologna and Venice) and then, in the middle of the 15th century, in Marseille France, giving birth to Marseille soap.

Changes[edit]

Early soap-makers in Europe did not have easy access to laurel oil and therefore dropped it from their formulations, thereby creating an olive-oil soap now known as Castile soap.

Importations of "Castile soap" through Antwerp appear in the London port books of 1567–1568 (Dietz 1972), though the Oxford English Dictionary has no references to "Castile soap" earlier than 1616. In his article "A short history of soap", John Hunt maintains that barilla (an impure form of sodium carbonate obtained from halophyte plant ashes that were high in sodium) was boiled with locally available olive oil, instead of tallow.

By adding brine to the boiled liquor, the soap was made to float to the surface, where the soap-boiler could skim it off, leaving the excess lye and impurities to settle out. While Aleppo soap tends to be green, this produced what was probably the first white hard soap, which hardened further as it aged, without losing its whiteness, forming jabón de Castilla.

Apothecaries knew the product by the Latin names of sapo hispaniensis (Spanish soap) or of sapo castilliensis (Castilian soap).[2]

See also[edit]

References[edit]

  1. ^ Partington, James R[1] partington (1960). A history of Greek fire and gunpowder. p. 307. 
  2. ^ Soap (data) from Pharmj.com. Retrieved May 2009. PAID REGISTRATION required to check this source.

External links[edit]