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Monounsaturated Fatty Acids

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Monounsaturated fatty acids are a type of unsaturated fat characterized by a single double bond in their fatty acid chain. They are known for their potential health benefits, including improving heart health and reducing inflammation, and are commonly found in various plant and animal sources.
lightbulbAbout this topic
Monounsaturated fatty acids are a type of unsaturated fat characterized by a single double bond in their fatty acid chain. They are known for their potential health benefits, including improving heart health and reducing inflammation, and are commonly found in various plant and animal sources.

Key research themes

1. How do monounsaturated fatty acids (MUFAs) influence obesity prevention and management through energy homeostasis mechanisms?

This research area investigates the role of MUFAs, particularly oleic acid (OA), in regulating body weight, fat distribution, and metabolic parameters related to obesity. It addresses how MUFA-rich diets may affect energy homeostasis and body composition to prevent or manage obesity and its associated metabolic complications.

Key finding: This systematic review of 28 clinical trials found consistent evidence that MUFA-rich diets, especially those enriched in oleic acid, positively influence body composition by reducing central (android) fat mass and improving... Read more
Key finding: Experimental feeding of mice with diets enriched in monounsaturated fatty acids (high-oleic-acid sunflower oil) induced less vascular dysfunction and remodeling compared to saturated fat-enriched diets. This supports the... Read more
Key finding: Replacing saturated pork back fat with corn oil, a source rich in monounsaturated and polyunsaturated fatty acids, in chicken sausage formulations resulted in a significant reduction of saturated fatty acid content (20.5%)... Read more

2. What are the metabolic pathways and conversion efficiencies of monounsaturated and polyunsaturated fatty acids, and how do they impact human health?

This theme covers the biosynthesis, enzymatic desaturation and elongation steps, and metabolic interconversions of MUFAs and PUFAs such as oleic acid, alpha-linolenic acid (ALA), and long-chain omega-3 fatty acids (EPA, DHA). It elucidates how conversion efficiency and fatty acid profiles influence lipid metabolism, cardiovascular health, and inflammatory processes.

Key finding: This study experimentally characterized the substrate specificity of eight ω3-desaturases from various organisms, demonstrating variable enzymatic activity on different C18, C20, and C22 ω6 PUFA substrates leading to... Read more
Key finding: This review highlights that dietary α-linolenic acid (ALA) supplements increase circulating EPA levels but not DHA, reflecting limited endogenous conversion in humans. Obesity-related alterations in desaturase and elongase... Read more
Key finding: The paper articulates the metabolic pathways of MUFAs and PUFA, particularly focusing on the limited conversion of ALA to EPA and DHA due to enzymatic constraints in humans. It emphasizes that dietary intake of preformed... Read more
Key finding: This article details the biosynthesis pathways of unsaturated fatty acids in plants, including the roles of fatty acid desaturases in producing MUFAs and PUFAs. It also sheds light on how these fatty acids contribute to... Read more

3. How do polyunsaturated fatty acids (PUFAs), especially omega-3 fatty acids, contribute to cardiovascular health and disease prevention?

This area focuses on the clinical and epidemiological evidence for cardiovascular benefits from PUFA intake, the mechanisms by which PUFAs modulate lipid metabolism, inflammation, and vascular function, and the implications for primary and secondary prevention of cardiovascular diseases (CVD). It considers sources of PUFAs, dietary recommendations, impact on lipid profiles, and the balance of omega-3 to omega-6 fatty acids.

Key finding: This review consolidates evidence that ω-3 PUFA consumption is associated with reduced incidence and mortality from cardiovascular diseases through modulation of lipid profiles, HDL concentrations, and anti-inflammatory... Read more
Key finding: The study underlines the importance of replacing saturated fats with PUFAs, especially long-chain omega-3 fatty acids, in reducing cardiovascular risk. It reports that doses of 2-5 g/day ω-3 PUFAs can reduce serum... Read more
Key finding: This comprehensive review highlights the biological functions of omega-3 fatty acids, particularly EPA and DHA, emphasizing their roles in maintaining cell membrane integrity, hormone synthesis regulation relevant to clotting... Read more
Key finding: The paper presents epidemiological data demonstrating inverse associations between fish consumption (rich in EPA and DHA) and cardiovascular mortality, stroke, and cognitive decline. It quantifies omega-3 PUFA content across... Read more

All papers in Monounsaturated Fatty Acids

Важливе значення у формуванні реакції організму до екзогенного впливу надається ліпідам, що пов'язано з їх роллю в енергетичних і сигнальних системах клітин та як структурних компонентів клітинних мембран. На сьогоднішній день особливості... more
Purpose There is controversy about the effect of the rs1799983 Nitric Oxide Synthase (NOS3) genetic variant on hypertension and Blood Pressure (BP) levels. The aims of the current study were to examine whether rs1799983 affects BP levels... more
Meat and meat products contain important nutrients, such as proteins, essential fatty acids, vitamins, and trace elements that are important for our diet; however, these products also contain elements that can promote the development of... more
Whether the content of saturated (SFA), monounsaturated (MUFA), and polyunsaturated fatty acids (PUFA) could differently influence postprandial triglycerides (TG) is unknown. We examined possible differences in the postprandial TG... more
Vegetable oils such as palm oil (enriched in saturated fatty acids, SFA) and high-oleic-acid sunflower oil (HOSO, containing mainly monounsaturated fatty acids, MUFA) have emerged as the most common replacements for trans-fats in the food... more
In the last years, numerous studies have examined the association of dietary fat and cancer. Polyunsaturated fatty acids (PUFA) from n-6 family display a strong promoting effect, this may be partially due to the especially prone to lipid... more
Introduction: Hyperlipidaemia is a major risk factor for cardiovascular diseases and may be associated with metabolic syndrome. Olive oil contains monounsaturated fatty acids (MUFA) and various phytochemicals which have beneficial role in... more
A nutritional placebo-controlled study was performed in Wistar rats in order to investigate the effects of 5-weeks aronia juice consumption towards fatty acid (FA) composition of phospholipids in the plasma and liver, as well as plasma... more
The objective of this experiment was to evaluate the effect of foliar fertilization of some micronutrients [i.e., manganese (Mn) and boron (B)] on reproductive yield and fatty acid concentrations of a standard sunflower hybrid ('NuSun... more
Vegetable oils such as palm oil (enriched in saturated fatty acids, SFA) and high-oleic-acid sunflower oil (HOSO, containing mainly monounsaturated fatty acids, MUFA) have emerged as the most common replacements for trans-fats in the food... more
To address the effect of a diet enriched in extra virgin olive oil (EVOO) on maternal metabolic parameters and placental proinflammatory markers in Gestationa l diabetes mellitus (GDM) patients. Methods: Pregnant women at 24-28 weeks of... more
In the last years, numerous studies have examined the association of dietary fat and cancer. Polyunsaturated fatty acids (PUFA) from n-6 family display a strong promoting effect, this may be partially due to the especially prone to lipid... more
This work was undertaken to determine the effect of diets enriched with olive oil or high oleic sunflower oil on very low density lipoprotein (VLDL) triacylglycerol composition of healthy human subjects. Both oils contain a similar... more
The dynamics of the tripartite relationship between the host, gut bacteria and diet in the gut is relatively unknown. An imbalance between harmful and protective gut bacteria, termed dysbiosis, has been linked to many diseases and has... more
The quest for alternative sources of healthy nutrients that facilitate the modification of milk without compromising drinking quality is a continuous research endeavour. The objective of the study was to quantify the milk fatty acid... more
This work was undertaken to determine the effect of diets enriched with olive oil or high oleic sunflower oil on very low density lipoprotein (VLDL) triacylglycerol composition of healthy human subjects. Both oils contain a similar... more
Despite the presence of monounsaturated fatty acids (MUFA) in the usual diet, these fatty acids may also be synthesized de novo from saturated fatty acids (SFA) through enzymatic desaturase activity (Arregui et al., 2012). Stearoyl-CoA... more
The quest for alternative sources of healthy nutrients that facilitate the modification of milk without compromising drinking quality is a continuous research endeavour. The objective of the study was to quantify the milk fatty acid... more
The use of some halophytes for rehabilitation of salt affected area has been reported. Crithmum maritimum L. halophyte and apiaceae can tolerate high levels of salt. Their seed was endospermic and had a suitable size for oil extraction.... more
The plant material (fresh and older leaves and mature capsules) from variously aged trees of T. populnea growing in and around Karachi (Hawkes Bay, Boat Basin areas, Karsaz and North Nazimabad) in differentially saline soils were... more
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