Rumen biohydrogenation kinetics of C18:3n-3 from several chemically or technologically treated linseed products and docosahexaenoic acid (DHA; C22:6n-3) addition to linseed oil were evaluated in vitro. Linseed products evaluated were linseed oil, crushed linseed, formaldehyde treated crushed linseed, sodium hydroxide/formaldehyde treated crushed linseed, extruded whole linseed (2 processing variants), extruded crushed linseed (2 processing variants), micronized crushed linseed, commercially available extruded linseed, lipid encapsulated linseed oil, and DHA addition to linseed oil. Each product was incubated with rumen liquid using equal amounts of supplemented C18:3n-3 and fermentable substrate (freeze-dried total mixed ration) for 0, 0.5, 1, 2, 4, 6, 12, and 24h using a batch culture technique. Disappearance of C18:3n-3 was measured to estimate the fractional biohydrogenation rate and lag time according to an exponential model and to calculate effective biohydrogenation of C18:3n-3, assuming a fractional passage rate of 0.060/h. Treatments showed no differences in rumen fermentation parameters, including gas production rate and volatile fatty acid concentration. Technological pretreatment (crushing) followed by chemical treatment applied as formaldehyde of linseed resulted in effective protection of C18:3n-3 against biohydrogenation. Additional chemical pretreatment (sodium hydroxide) before applying formaldehyde treatment did not further improve the effectiveness of protection. Extrusion of whole linseed compared with extrusion of crushed linseed was effective in reducing C18:3n-3 biohydrogenation, whereas the processing variants were not different in C18:3n-3 biohydrogenation. Crushed linseed, micronized crushed linseed, lipid encapsulated linseed oil, and DHA addition to linseed oil did not reduce C18:3n-3 biohydrogenation. Compared with the other treatments, docosahexaenoic acid addition to linseed oil resulted in a comparable trans11,cis15-C18:2 biohydrogenation but a lesser trans10+11-C18:1 biohydrogenation. This suggests that addition of DHA in combination with linseed oil was effective only in inhibiting the last step of biohydrogenation from trans10+11-C18:1 to C18:0.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.3168/jds.2010-3144 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Rheological Properties of Emulsions Stabilized by Cellulose Derivatives with the Addition of Ethyl Alcohol.
Materials (Basel)
December 2024
Division of Chemical Engineering and Equipment, Faculty of Chemical Technology, Poznan University of Technology, ul. Berdychowo 4, 60-965 Poznan, Poland.
The paper presents the results of research on the rheological properties and stability of oil-in-water emulsions containing cellulose derivatives: methylcellulose, hydroxyethylcellulose, and hydroxypropylmethylcellulose. The continuous phase of the emulsion was a 70% ethanol (EtOH) solution by volume. The dispersed phase consisted of mineral, linseed, and canola oils (20% by volume).
View Article and Find Full Text PDFEnhancing Rats' Diet with Ethyl Esters Derived from Linseed Oil and Examining the Resulting Changes in Their Blood Fatty Acid Profile.
Int J Mol Sci
December 2024
Institute of Animal Breeding, Wrocław University of Environmental and Life Sciences, Chełmońskiego 38c, 51-630 Wrocław, Poland.
Omega-3 fatty acids are an important factor contributing to the prevention and cure of numerous diseases, and therefore their supplementation with diet is a significant issue. There are numerous supplements on the market containing omega-3 acids, of both plant and animal origin. In our study, we compared an effect of linseed oil, ethyl esters of linseed oil and fish oil supplementation to rats' diet on their blood serum and erythrocyte fatty acid profile.
View Article and Find Full Text PDFThe Effects of Chamomile and Flaxseed on Pelvic Pain, Dyspareunia, and Dysmenorrhea in Endometriosis: A Controlled Randomized Clinical Trial.
Iran J Nurs Midwifery Res
November 2024
Department of Family and Community Medicine, School of Medicine, Neuroscience Research Center Qom University of Medical Sciences, Qom, Iran.
Background: Chamomile and flaxseed are traditionally used medicinal plants to treat painful menstruation. Therefore, this study aimed to investigate the effects of chamomile and flaxseed on pelvic pain, dyspareunia, and dysmenorrhea in endometriosis patients.
Materials And Methods: A controlled randomized clinical trial was conducted on 102 endometriosis patients referred to Reyhane Infertility Center of Qom University of Medical Sciences, Iran, from July 2021 to March 2022.
Enhanced toughness of poly(lactic acid) and poly(butylene adipate-co-terephthalate) blends by incorporating an ADR chain-extending agent and a bio-resourced plasticizer.
Int J Biol Macromol
December 2024
College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, Jiangsu Province, China. Electronic address:
Over the past decades, emerging bioplastics have attracted much interest from the scientific and industrial communities because of public concerns about environmental problems and sustainable development. In this study, poly(lactic acid) (PLA) was toughened by ductile biodegradable poly(butylene adipate-co-terephthalate) (PBAT) and biosourced plasticizer epoxidized linseed oil (ELO), and a chain-extending agent (CEA) was added to promote the compatibility and toughness of the bio-blends. It was shown that "in situ" grafted polymers were created in the bio-blends with the aid of CEA, greatly enhancing the compatibility and ductility of the compatibilized blends.
View Article and Find Full Text PDFBroadly adapted and efficient enzymatic transesterification production of medium and long-chain triglycerides via coconut oil and long-chain triacylglycerols.
Food Chem
December 2024
Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, Anhui Engineering Research Center for High Value Utilization of Characteristic Agricultural Products, College of Food and Nutrition, Anhui Agricultural University, Hefei, 230036, China; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Hubei Hongshan Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Wuhan, 430062, China. Electronic address:
An applicable and highly efficient methodology for the preparation of medium- and long-chain triglycerides (MLCTs) via the enzymatic transesterification of coconut oil with long-chain fatty acid triglycerides, named camellia oil, olive oil, linseed oil, algal oil, and rapeseed oil, respectively, has been proposed. The novel system achieved equilibrium in 5 min, and the MLCT yield ranged from 78.7 to 83.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!