Soybean oil process

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Filing Information

  • Patent Number: US7112688
  • Application Number: US11201948
  • Filing date: 08/11/2005
  • Issue date: 09/26/2006
  • Predicted expiration date: 08/11/2025
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  • U.S. Classifications: 554/100  · 426/489  ·
  • International Classifications: C07C5300 ·
13 Claims, No Drawings


Abstract

A solvent extraction free, caustic refining free, process for producing refined soybean oil from soybeans includes the steps of heating cleaned, cracked and dehulled soybeans at a temperature of from 220° F. to 600° F. for from 45 to 60 minutes; mechanically pressing the heated soybeans to separate soybean oil; and heating the extracted oil at a temperature of from about 350° F. to about 500° F. under a vacuum to remove free fatty acids from the soybean oil.

Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US7544820Carolina Soy Products LLCJerry E. Tysinger et al.Jun 2009

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Independent Claims | See all claims (13)

  1. 1. A process for producing soybean oil from soybeans containing said oil comprising: a) heating said soybeans at a temperature of from 220° F. to 260° F. for from 45 to 60 minutes; b) mechanically pressing said soybeans to separate said oil; and c) heating said separated oil at a temperature of up to about 500° F. under a vacuum to remove free fatty acids from said soybean oil.
  2. 8. A solvent extraction free, caustic refining free, process for producing refined soybean oil from soybeans comprising: a) heating said soybeans at a temperature of from 220° F. to 260° F. for from 45 to 60 minutes; b) mechanically pressing said soybeans to separate said oil; and c) heating said oil at a temperature of from about 350° F. to about 500° F. under a vacuum to remove free fatty acids from said soybean oil.