{"id":"y1e53rl","internal_id":"f5309e02-42c6-4b4a-b2b9-754a42f9b950","links":{"img_thumbnail":"https://digital.sciencehistory.org/downloads/deriv/m4vjg48/thumb_large_2X?disposition=inline","html_self":"https://digital.sciencehistory.org/works/y1e53rl"},"title":"Julian Laboratories plant in Mexico City, Mexico","additional_title":["Laboratorios Julian de Mexico"],"format":["moving_image"],"genre":["Video Recordings"],"medium":["16mm (photographic film size)"],"extent":["04M 49S"],"language":[],"provenance":"","subject":["Mexico--Mexico City","Steroid hormones--Synthesis","Pharmaceutical industry","Barbasco (Dioscorea mexicana)","Factories"],"department":"Archives","series_arrangement":[],"rights":"http://rightsstatements.org/vocab/InC/1.0/","rights_holder":"Smith Kline","digitization_funder":"","file_creator":"George Blood Audio LP","description":"Silent footage of the Julian Laboratories plant in Mexico City, founded by American chemist Percy Julian in the early 1950s. Julian opened this plant to process Mexican yams, which were a major source of diosgenin, a compound used in synthesizing steroids like estrogen, testosterone, and cortisone. This plant was purchased by pharmaceutical company Smith, Kline & French in 1961.","description_html":"<p>Silent footage of the Julian Laboratories plant in Mexico City, founded by American chemist Percy Julian in the early 1950s. Julian opened this plant to process Mexican yams, which were a major source of diosgenin, a compound used in synthesizing steroids like estrogen, testosterone, and cortisone. This plant was purchased by pharmaceutical company Smith, Kline &amp; French in 1961.</p>","published_at":"2026-09-29T18:58:27Z","updated_at":"2026-09-29T18:58:27Z","creator":[{"category":"creator_of_work","value":"Julian Laboratories, Inc."}],"date_of_work":[{"start":"1954","start_qualifier":"after","finish":"1961","finish_qualifier":"before","note":"","formatted":"After 1954 – before 1961"}],"place":[{"category":"place_of_creation","value":"Mexico--Mexico City"}],"inscription":[],"related_link":[],"additional_credit":[],"physical_container":null}