alexa Fractionation of Butter Oil by Supercritical Carbon Dioxide
Food & Nutrition

Food & Nutrition

Advances in Dairy Research

Author(s): Hao Chen, Steven J Schwartz, George A Spanos

Abstract Share this page

The use of supercritical CO2 to fractionate butter oil into various triglyceride groups with unique physical and chemical properties was investigated. Experiments were conducted at 40°C and at 10.3, 13.8, 17.2, 20.7, 24.1, and 27.6 MPa in a continuous flow extraction system. Solubility of butter oil triglycerides in supercritical CO2 of various temperatures (35, 40, 50, and 60°C) and pressures (10.3, 13.8, 17.2, 20.7, 24.1, and 27.6 MPa) was also studied. Triglyceride extractability was enhanced by raising the pressure and lowering the temperature of extraction. The mean molecular weight of fractions, estimated by high performance gel permeation chromatography, ranged from 703 amu (atomic mass unit; 40°C, 10.3 MPa) to 794 amu (40°C 27.6 MPa). The fatty acid composition of triglycerides, determined by HPLC, showed that fractions extracted at lower pressure contained higher concentrations of short-chain C4 to c8) and medium-chain (C10 to C12) fatty acids and lower concentrations of long-chain (C14 to C18) fatty acids. Melting behavior of the various fractions, studied by differential scanning calorimetry, reflected the alterations in triglyceride composition. Fractions with unique melting behavior (i. e., a single narrow melting zone and a melting peak maximum of 8°C) were isolated. Fractions obtained at (40°C) 17.2 and 20.7 MPa had lower cholesterol (1.07 and 1.76 mg/g), determined by enzymatic assay, compared with those obtained at 10.3 and 13.8 MPa (2.96 and 2.78 mg/g). Supercritical CO2 extraction may be a potential process for modifying butter oil into fractions with altered physical and chemical properties.

This article was published in J Dairy Sci and referenced in Advances in Dairy Research

Relevant Expert PPTs

Relevant Speaker PPTs

Recommended Conferences

Relevant Topics

Peer Reviewed Journals
 
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
 
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

Agri, Food, Aqua and Veterinary Science Journals

Dr. Krish

agrifoodaquavet@omicsonline.com

1-702-714-7001 Extn: 9040

Clinical and Biochemistry Journals

Datta A

clinical_biochem@omicsonline.com

1-702-714-7001Extn: 9037

Business & Management Journals

Ronald

business@omicsonline.com

1-702-714-7001Extn: 9042

Chemical Engineering and Chemistry Journals

Gabriel Shaw

chemicaleng_chemistry@omicsonline.com

1-702-714-7001 Extn: 9040

Earth & Environmental Sciences

Katie Wilson

environmentalsci@omicsonline.com

1-702-714-7001Extn: 9042

Engineering Journals

James Franklin

engineering@omicsonline.com

1-702-714-7001Extn: 9042

General Science and Health care Journals

Andrea Jason

generalsci_healthcare@omicsonline.com

1-702-714-7001Extn: 9043

Genetics and Molecular Biology Journals

Anna Melissa

genetics_molbio@omicsonline.com

1-702-714-7001 Extn: 9006

Immunology & Microbiology Journals

David Gorantl

immuno_microbio@omicsonline.com

1-702-714-7001Extn: 9014

Informatics Journals

Stephanie Skinner

omics@omicsonline.com

1-702-714-7001Extn: 9039

Material Sciences Journals

Rachle Green

materialsci@omicsonline.com

1-702-714-7001Extn: 9039

Mathematics and Physics Journals

Jim Willison

mathematics_physics@omicsonline.com

1-702-714-7001 Extn: 9042

Medical Journals

Nimmi Anna

medical@omicsonline.com

1-702-714-7001 Extn: 9038

Neuroscience & Psychology Journals

Nathan T

neuro_psychology@omicsonline.com

1-702-714-7001Extn: 9041

Pharmaceutical Sciences Journals

John Behannon

pharma@omicsonline.com

1-702-714-7001Extn: 9007

Social & Political Science Journals

Steve Harry

social_politicalsci@omicsonline.com

1-702-714-7001 Extn: 9042

 
© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version
adwords