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ARS Home » Midwest Area » Peoria, Illinois » National Center for Agricultural Utilization Research » Bio-oils Research » Research » Publications at this Location » Publication #415392
Research Project: Development of New Value-Added Processes and Products from Advancing Oilseed Crops

Location: Bio-oils Research

Title: Physical properties of Orychophragmus violaceus seed oil and its estolides

Author
item Winfield, Demichael
item Evangelista, Roque
item Moser, Jill
item Bantchev, Grigor

Submitted to: Association for the Advancement of Industrial Crops Conference
Publication Type: Abstract Only
Publication Acceptance Date: 6/23/2024
Publication Date: 9/1/2024
Citation: Winfield, D.D., Evangelista, R.L., Moser, J.K., Bantchev, G.B. 2024. Physical properties of Orychophragmus violaceus seed oil and its estolides [abstract]. Association for the Advancement of Industrial Crops 35th Annual Conference & Meeting, Lisbon, Portugal, September 1-5/2024.

Interpretive Summary:

Technical Abstract: Chinese violet cress (Orychophragmus violaceus L.) is an annual herb native to China and North Korea. It is hardy in USDA zones 7 through 10 and can be grown on marginal land. It was recently introduced in the U.S. in the state of Virginia. Chinese violet cress oil contains two unique dihydroxy fatty acids, nebraskanic and wuhanic acid. The purpose of this study is to characterize the physical properties of Chinese violet cress oil and estolides derived from it. The oil was extracted from the seeds and the fatty acid composition and antioxidant contents will be analyzed. The physical properties will be measured, including cold flow properties, lubricity, and viscosity. The oxidative stability will be assessed by TGA and pressurized DSC. The properties of Chinese violet cress oil will be compared to those of the hydroxy fatty acid (HFA) containing oils from castor beans (Ricinus communis L.) and lesquerella (Physaria fendleri). Estolides were prepared from the oils and evaluated as base oil lubricants. Due to its dihydroxy fatty acids, Chinese violet cress estolide has a branching structure compared to the linear castor and lesquerella estolides. The properties of the resultant estolides will be discussed. Chinese violet cress could be a potential feedstock for producing biobased products from marginal land.