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Permanent link (DOI): https://doi.org/10.7939/R3GQ3K

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Supercritical and subcritical fluid technology utilization for the processing of flaxseed hull Open Access

Descriptions

Other title
Subject/Keyword
flaxseed hull
subcritical water
supercritical CO2
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Martin do Prado, Ivor
Supervisor and department
Aranda-Saldana, Marleny (Agricultural, Food and Nutritional Science)
Examining committee member and department
Ferral, Temelli (Agricultural, Food and Nutritional Science)
Guigard, Selma (Civil and Environmental Engineering)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization
Bioresource and Food Engineering
Date accepted
2014-01-31T11:45:53Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
Flaxseed and Sacha inchi seed are among the highest omega-3 fatty acid sources in the world. Subcritical and super critical technologies are an alternative technology used for hydrolyzes, chemical reaction, extraction, separation, and other. In this thesis, new data on phase equilibria for Sacha inchi seed oil in CO2 have been measured at 303, 313 and 323 K and 4.3 to 27.7 MPa with CO2 mole fraction varying from 0.7488 to 0.9997. Flaxseed hull oil was extracted using supercritical CO2 at 10-30 MPa and 313-333 K. Cost of manufacture study was estimated in (US$ 10.50 kg-1) for flax seed hull oil. Then, a factorial design with three factors, temperatures (393, 423 and 453 K), pressures (1, 3 and 5 MPa) and flow rates (1, 2 and 3 mL min-1) was used to determine the best extraction conditions for recovery of phenolics and carbohydrates from deffated flaxseed hulls using subcritical water.
Language
English
DOI
doi:10.7939/R3GQ3K
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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File title: University of Alberta
File author: Ivor
Page count: 100
File language: en-CA
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