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Yusuf ibn Ismail al-Kutubi known asIbn al-Kutubi (13th – 14th centuries AD)[dubious –discuss] aPersian scholar and physician worked as a doctor in the palaces of theAbbasid caliphs in Baghdad.[citation needed] He was born inKhoy inIran.
He is known for his comprehensive pharmacology titled "Ma la Yasa'u al-Tabiba Jahlahu" (what a physician cannot afford to ignore), often referred to by its shortened title "Jam al-Baghdadi" (Baghdadi Collection), written in Arabic in 1311.[1] Several thousand medicinal herbs, natural drugs and recipes are identified in the compendium. An original, handwritten copy of Jam al-Baghdadi is kept in theInstitute of Manuscripts of Azerbaijan.[1]
He wrote that a bandage with a few drops of castor was good for treating headaches. Beverages containingcastor oil and vinegar were used to treat abdominal pain.
In his book he described eight different methods for administering aromatherapy:
According to al-Kutubi, barud orpotassium nitrate was called milh al-ha’it (salt of wall) by the common people of Iraq. “It is the salt that creeps on old walls, and they collect it.”[citation needed]
He described saltpeter saying "they use it to make a fire which rises and moves, thus increasing it in lightness and inflammability"[citation needed]