sentences:  In 1408, at the command of the rich and influential Benveniste ben Solomon ben Labi, he wrote a work in Arabic on the value and effects of various foodstuffs and of simple and composite medicaments.It was translated into Hebrew, under the title "Gerem ha-Ma'alot," by Benveniste's son, Joseph Vidal.This Joshua al-Lorqui is perhaps, as Philoxene Luzzatto points out, identical with the Joshua al-Lorqui who wrote an anti-Christian letter to his friend Solomon ha-Levi (Paul de Burgos), and who was also a physician in Alcañiz and was on friendly terms with Benveniste ben Labi, being present at Moses Benveniste's wedding.