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Saturday April 5,2025,
Enrichment of conjugated linolenic acid ethyl ester from pomegranate seed oil fatty acid ethyl ester by molecular distillation
  
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KeyWord:pomegranate seed oil  molecular distillation  fatty acid ethyl ester  conjugated linolenic acid ethyl ester
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YU Yaopan, ZHAO Chenwei, TANG Nianchu  
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Abstract:
      The technology of enriching conjugated linolenic acid ethyl ester from pomegranate seed oil fatty acid ethyl ester by molecular distillation was studied. The influence factors of molecular distillation enriching conjugated linolenic acid ethyl ester （preheating temperature, feed rate, scrape speed and distillation temperature） were analyzed by single factor experiment. The optimal operation conditions were determined as follows: operation pressure 1.0×10-3 kPa, preheating temperature 70?℃, feed rate 2 mL/min, scrape speed 120 r/min, distillation temperature Ⅰ 120?℃ and distillation temperature Ⅱ 160?℃. Under these conditions, the content of conjugated linolenic acid ethyl ester increased from 80.68% before distillation to 95.23%.
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