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Last Updated: December 18, 2025

Claims for Patent: 7,208,181


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Summary for Patent: 7,208,181
Title:Isolation of polyphenolic compounds from fruits or vegetables utilizing sub-critical water extraction
Abstract:Anthocyanins, other flavonoids and related polyphenolic compounds are extracted from fruits or highly pigmented garden vegetables and their by-products using subcritical water with or without a secondary cosolvent. This method has the advantages of being relatively inexpensive, minimizes or totally avoids the use of objectionable solvents, and provides a facile means for supplying an ample source of concentrated phytochemicals for use in food formulation, dietary supplements and phyto-pharmaceutical applications.
Inventor(s):Jerry W. King, Richard D. Grabiel
Assignee: US Department of Agriculture USDA
Application Number:US10/171,258

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