Castile soap

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A bar of Castile soap.

Castile soap is a name used in English-speaking countries for vegetable oil based soap made in a style similar to that originating in the Castile region of Spain.[1] Traditionally made with olive oil, it now may be used for any hard, white, vegetable-based soap.

History

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 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.[2] Following the Crusades, production of this soap extended to the whole Mediterranean area.

In the 17th century, the soap caused controversy in England, as it supplanted the unnamed local soap after the Spanish Catholic manufacturers purchased the monopoly on soap from the cash-strapped Carolinian government. Its ties to Catholicism caused a public relations campaign to be established featuring washerwomen showing how much more effective local soaps were over Castile soap. The sale of a monopoly in Protestant England to a Catholic company caused great uproar, ending with the Castile soap company eventually being stripped of the monopoly.[3]

Changes

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,[4] 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 with tallow.[5]

Adding brine to the boiled liquor made the soap 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).[1]

See also

References

  1. 1.0 1.1 Soap (data) from Pharmaceutical-journal.com. Retrieved Oct 2014.
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  5. John Hunt "A short history of soap"
  • Garzena, Patrizia & Tadiello, Marina (2004). Soap Naturally: ingredients, methods and recipes for natural handmade soap; 1st ed. Programmer Publishing. ISBN 0-9756764-0-7

External links