Process to extract phenolic compounds from a residual plant...

Details Process to extract phenolic compounds from a residual plant... Process to extract phenolic compounds from a residual plant...

2006-09-19

2006-09-19

Barts, Samuel (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

Reexamination Certificate

active

07109384

ABSTRACT:
The hydrothermal treatment is based on placing the crude residual plant material in contact with hot water in a closed reactor, comprising the following steps:a) placing the material to be treated in contact with water in a closed reactor, and adjusting the solid/liquid ratio so that it ranges from 1/5 to 1/15 (w/v):b) stirring;c) heating to a temperature between 180 and 240° C., and at a pressure so that the water is maintained in liquid phase;d) constantly stirring the mixture for a time period between 4 and 30 minutes; ande) cooling the reactor to approximately 40° C., unloading the mixture, filtering and recovering the liquid fraction.

REFERENCES:
Ballersteros et al, Ethanol Production from Olive Oil Extraction Residue Pretreated with Hot Water, Human Press, Spring 2002; 98-100, pp. 717-732.
Alonso-Salces et al; Pressurized Liquid Etraction for the Determination of Polyphenols in Apple; Journal of Chromatography A, Nov. 9, 2001, vol. 933, pp. 37-43.

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