fatty acid extraction kit

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显示 1-30 共 2117 条结果关于 "fatty acid extraction kit" 范围论文

Pro-oxidant/antioxidant behaviours of ascorbic acid, tocopherol, and plant extracts in n-3 highly unsaturated fatty acid rich oil-in-water emulsions.

Chamila Jayasinghe et al.

Food chemistry, 141(3), 3077-3084 (2013-07-23)

This study investigated the oxidative stability of n-3 highly unsaturated fatty acid (n-3 HUFA) rich (35% n-3 HUFA) oil-in-water emulsions (10 wt% oil) with commercial antioxidants and natural plant extracts. Ascorbic acid, α-tocopherol, and the extracts of Indian gooseberry fruit

Extraction of Bioactive Compounds Using Supercritical Carbon Dioxide.

Antonio Molino et al.

Molecules (Basel, Switzerland), 24(4) (2019-02-24)

Microalgae Dunaliella salina contains useful molecules such as β-carotene and fatty acids (FAs), which are considered high value-added compounds. To extract these molecules, supercritical carbon dioxide was used at different operative conditions. The effects of mechanical pre-treatment (grinding speed at

Effects of rosemary (Rosmarinus officinalis L.) extracts and dry ice on the physicochemical stability of omega-3 fatty-acid-fortified surimi-like meat products.

Yu-Zhu Wang et al.

Journal of the science of food and agriculture, 99(8), 3843-3851 (2019-01-27)

Lipid peroxidation entails major quality degradation in omega-3 (ω-3) fatty-acid-fortified surimi-like meat products upon storage. Currently, the use of label-friendly alternatives to synthetic antioxidants is encouraged in the industry. Hence, we aimed to examine the applicability of the hurdle-technology concept

Analysis of free fatty acids in beer: comparison of solid-phase extraction, solid-phase microextraction, and stir bar sorptive extraction.

Tomás Horák et al.

Journal of agricultural and food chemistry, 57(23), 11081-11085 (2009-11-13)

Solid-phase extraction (SPE), solid-phase microextraction (SPME) using carbowax/divinylbenzen fiber, and stir bar sorptive extraction (SBSE) followed by solvent back extraction have been used for the extraction of free fatty acids (caproic, caprylic, pelargonic, capric, lauric, myristic, palmitic, stearic, oleic, linoleic

Predictive metabolic signatures for the occurrence and development of diabetic nephropathy and the intervention of Ginkgo biloba leaves extract based on gas or liquid chromatography with mass spectrometry.

Yan Du et al.

Journal of pharmaceutical and biomedical analysis, 166, 30-39 (2019-01-02)

Diabetic nephropathy (DN) is one of the leading causes of death in diabetes mellitus (DM). Early warning and therapy has significant clinical value for DN. This research sought to find biomarkers to predict the occurrence and development of DN and

Α-Cyclodextrin encapsulation of supercritical CO₂ extracted oleoresins from different plant matrices: A stability study.

Miriana Durante et al.

Food chemistry, 199, 684-693 (2016-01-19)

Here we describe the encapsulation in α-cyclodextrins (α-CDs) of wheat bran, pumpkin and tomato oleoresins, extracted by supercritical carbon dioxide, to obtain freeze-dried powders useful as ready-to-mix ingredients for novel functional food formulation. The stability of tocochromanols, carotenoids and fatty

Effects of Cold-Press and Soxhlet Extraction Systems on Antioxidant Activity, Total Phenol Contents, Fatty Acids, and Tocopherol Contents of Walnut Kernel Oils.

Isam A Mohamed Ahmed et al.

Journal of oleo science, 68(2), 167-173 (2019-01-18)

In this study, physico-chemical properties, fatty acid composition, and tocopherol contents of several walnut kernel oils obtained through cold-press and Soxhlet extractions were investigated. The acidity, peroxide, and unsaponifiable matter of oil samples extracted in the Soxhlet system were found

Human Milk Fatty Acid Composition: Comparison of Novel Dried Milk Spot Versus Standard Liquid Extraction Methods.

Michael C Rudolph et al.

Journal of mammary gland biology and neoplasia, 21(3-4), 131-138 (2016-11-01)

Accurate assessment of the long chain polyunsaturated fatty acid (LC-PUFA) content of human milk (HM) provides a powerful means to evaluate the FA nutrient status of breastfed infants. The conventional standard for FA composition analysis of HM is liquid extraction

Development of solid-phase extraction and methylation procedures to analyse free fatty acids in lipid-rich seeds.

Andréina Laffargue et al.

Plant physiology and biochemistry : PPB, 45(3-4), 250-257 (2007-03-16)

In order to develop a sensitive and reliable method for FFA quantification in lipid matrices of seeds, two SPE procedures employed in meat and dairy chemistry were compared using a 100/1 mixture of triolein/heptadecanoic acid. The overall efficiency of the

Effect of broccoli phytochemical extract on release of fatty acids from salmon muscle and salmon oil during in vitro digestion.

K E Aarak et al.

Food & function, 5(9), 2331-2337 (2014-08-01)

The aim of the present work was to study the effect of a broccoli phytochemical extract (Br-ex) on the release of fatty acids (FA) from salmon muscle (SM) and salmon oil (SO) during in vitro digestion. The hypothesis of the

Endothelial cell-derived stem cell factor promotes lipid accumulation through c-Kit-mediated increase of lipogenic enzymes in brown adipocytes.

Hyuek Jong Lee et al.

Nature communications, 14(1), 2754-2754 (2023-05-14)

Active thermogenesis in the brown adipose tissue (BAT) facilitating the utilization of lipids and glucose is critical for maintaining body temperature and reducing metabolic diseases, whereas inactive BAT accumulates lipids in brown adipocytes (BAs), leading to BAT whitening. Although cellular

Clove extract functions as a natural fatty acid synthesis inhibitor and prevents obesity in a mouse model.

Yiran Ding et al.

Food & function, 8(8), 2847-2856 (2017-07-21)

Numerous medicinal plants have been reported to prevent various chronic diseases. In this study, we screened a new FASN inhibitor-alcohol extract of clove (AEC) using a fast microplate method developed in our laboratory. The major components of AEC were: eugenol

Anticandidal activity of cell extracts from 13 probiotic Lactobacillus strains and characterisation of lactic acid and a novel fatty acid derivative from one strain.

Richard Nyanzi et al.

Food chemistry, 164, 470-475 (2014-07-06)

This study investigated the anti-Candida activity of methanol extracts from freeze-dried probiotic cells and the isolation of some constituents in the extracts. The MIC values of the probiotic methanol cell extracts against Candida albicans ranged between 1.25 and 5mg/ml after

Selective Extraction of ω-3 Fatty Acids from Nannochloropsis sp. Using Supercritical CO2 Extraction.

Gian Paolo Leone et al.

Molecules (Basel, Switzerland), 24(13) (2019-07-03)

In this article, microalgae Nannochloropsis sp. was used for fatty acid (FA) extraction, using a supercritical fluid-carbon dioxide (SF-CO2) extraction method. This study investigated the influence of different pre-treatment conditions by varying the grinding speed (200-600 rpm), pre-treatment time (2.5-10

Mechanisms of cholesterol and saturated fatty acid lowering by Quillaja saponaria extract, studied by in vitro digestion model.

Liliya Vinarova et al.

Food & function, 6(4), 1319-1330 (2015-03-17)

Quillaja saponin extracts are known to reduce plasma cholesterol levels in humans. Here we study the mechanism of this effect with Quillaja Dry saponin extract (QD). In vitro model of triglyceride lipolysis is used to quantify the effect of QD

Fatty acid composition and antioxidant activity of tea (Camellia sinensis L.) seed oil extracted by optimized supercritical carbon dioxide.

Yuefei Wang et al.

International journal of molecular sciences, 12(11), 7708-7719 (2011-12-17)

Seeds are another product in addition to leaves (raw materials for teas) of tea (Camellia sinensis L.) plant. The great increase of tea consumption in recent years raises the challenge of finding commercial applications for tea seeds. In the present

Central composite design for the optimization of supercritical carbon dioxide fluid extraction of fatty acids from Borago officinalis L. flower.

Negin Fasih Ramandi et al.

Journal of food science, 76(9), C1262-C1266 (2012-03-16)

In the present study, fatty acids and essential oils of the flower of borage (Borago officinalis L.) were obtained by supercritical carbon dioxide fluid extraction under different conditions. The extracts obtained were compared to oils of borage flower oil isolated by

Microwave-assisted one-step extraction-derivatization for rapid analysis of fatty acids profile in herbal medicine by gas chromatography-mass spectrometry.

Rui-Lin Liu et al.

The Analyst, 137(21), 5135-5143 (2012-09-13)

A rapid and practical microwave-assisted one-step extraction-derivatization (MAED) method was developed for gas chromatography-mass spectrometry analysis of fatty acids profile in herbal medicine. Several critical experimental parameters for MAED, including reaction temperature, microwave power and the amount of derivatization reagent

Determination of the fatty acid profile of neutral lipids, free fatty acids and phospholipids in human plasma.

Nina Firl et al.

Clinical chemistry and laboratory medicine, 51(4), 799-810 (2012-09-26)

Knowledge of the fatty acid composition of lipid classes in human plasma is an important factor in the investigation of human metabolism. Therefore, a method for the analysis of neutral lipid (NL), phospholipid (PL) and free fatty acids (FFA) in

Effect of CO2 Flow Rate on the Extraction of Astaxanthin and Fatty Acids from Haematococcus pluvialis Using Supercritical Fluid Technology.

Carolina Espinosa Álvarez et al.

Molecules (Basel, Switzerland), 25(24) (2020-12-30)

Haematococcus pluvialis is the largest producer of natural astaxanthin in the world. Astaxanthin is a bioactive compound used in food, feed, nutraceutics, and cosmetics. In this study, astaxanthin extraction from H. pluvialis by supercritical fluid extraction was evaluated. The effects

Evaluation of less invasive methods to assess fatty acids from phospholipid fraction: cheek cell and capillary blood sampling.

Andrea de la Garza Puentes et al.

International journal of food sciences and nutrition, 66(8), 936-942 (2015-10-31)

Plasma is the most commonly employed matrix for analyzing fatty acids (FAs), but its extraction is not well accepted in the infant population. The objectives of this study were to evaluate cheek cells and capillary blood as alternatives to plasma

Inhibitory effect of Ginkgo biloba extract on fatty liver: regulation of carnitine palmitoyltransferase 1a and fatty acid metabolism.

Shi Dong Wang et al.

Journal of digestive diseases, 13(10), 525-535 (2012-09-20)

To investigate the potential effect of Ginkgo biloba extract (GBE) on the prevention and treatment of nonalcoholic fatty liver disease (NAFLD). Male Wistar rats were divided into 4 groups (the control group, GBE group, high-fat diet [HFD] group and HFD + GBE

A polyphenol extract modifies quantity but not quality of liver fatty acid content in high-fat-high-sucrose diet-fed rats: possible implication of the sirtuin pathway.

Manar Aoun et al.

The British journal of nutrition, 104(12), 1760-1770 (2010-08-03)

High-fat or high-fat-high-sucrose diets are known to induce non-alcoholic fatty liver disease and this is emerging as one of the most common liver diseases worldwide. Some polyphenols have been reported to decrease rat hepatic lipid accumulation, in particular those extracted

Validation of a One-Step Method for Extracting Fatty Acids from Salmon, Chicken and Beef Samples.

Zhichao Zhang et al.

Journal of food science, 82(10), 2291-2297 (2017-08-24)

Fatty acid extraction methods are time-consuming and expensive because they involve multiple steps and copious amounts of extraction solvents. In an effort to streamline the fatty acid extraction process, this study compared the standard Folch lipid extraction method to a

Effects of in vitro digestion-fermentation over global antioxidant response and short chain fatty acid production of beet waste extracts in Ca(ii)-alginate beads.

Tatiana Rocio Aguirre-Calvo et al.

Food & function, 11(12), 10645-10654 (2020-11-21)

The aim of the present work was to analyze the effect of in vitro gastrointestinal digestion-fermentation on antioxidant capacity, total phenols and production of short chain fatty acids (SCFAs) from biocompounds derived from beet waste (leaf and stem) encapsulated in

Benzyl and methyl fatty hydroxamic acids based on palm kernel oil as chelating agent for liquid-liquid iron(III) extraction.

Md Jelas Haron et al.

International journal of molecular sciences, 13(2), 2148-2159 (2012-03-13)

Liquid-liquid iron(III) extraction was investigated using benzyl fatty hydroxamic acids (BFHAs) and methyl fatty hydroxamic acids (MFHAs) as chelating agents through the formation of iron(III) methyl fatty hydroxamate (Fe-MFHs) or iron(III) benzyl fatty hydroxamate (Fe-BFHs) in the organic phase. The

Olive oil mixtures. Part two: Detection of soft deodorized oil in extra virgin olive oil through diacylglycerol determination. Relationship with free acidity.

Raquel B Gómez-Coca et al.

Food chemistry, 330, 127226-127226 (2020-06-17)

The detection of soft deodorized olive oils in extra virgin olive oil (EVOO) has become a challenging task ever since it was demonstrated that: 1. The process does not form the typical refining markers, e.g. stigmastadienes, and 2. The determination

Optimization of supercritical fluid consecutive extractions of fatty acids and polyphenols from Vitis vinifera grape wastes.

Oier Aizpurua-Olaizola et al.

Journal of food science, 80(1), E101-E107 (2014-12-05)

In this study, supercritical fluid extraction has been successfully applied to a sequential fractionation of fatty acids and polyphenols from wine wastes (2 different vitis vinifera grapes). To this aim, in a 1st step just fatty acids were extracted and

Inhibitory effects of onion (Allium cepa L.) extract on proliferation of cancer cells and adipocytes via inhibiting fatty acid synthase.

Yi Wang et al.

Asian Pacific journal of cancer prevention : APJCP, 13(11), 5573-5579 (2013-01-16)

Onions (Allium cepa L.) are widely used in the food industry for its nutritional and aromatic properties. Our studies showed that ethyl acetate extract of onion (EEO) had potent inhibitory effects on animal fatty acid synthase (FAS), and could induce

Advanced Extraction of Lipids with DHA from Isochrysis galbana with Enzymatic Pre-Treatment Combined with Pressurized Liquids and Ultrasound Assisted Extractions.

María Señoráns et al.

Molecules (Basel, Switzerland), 25(14) (2020-07-28)

Microalgal biomass is a sustainable and valuable source of lipids with omega-3 fatty acids. The efficient extraction of lipids from microalgae requires fast and alternative extraction methods, frequently combined with biomass pre-treatment by different procedures. In this work, Pressurized liquid

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