Walnut (Juglans regia L.) oil chemical composition depending
A multi linear regression model allowed to highlight the contribution of C16:0, C18:0 and C18:3w3 fatty acids, SOS, PLL and LLL triacylglycerols, D5
An Overview on Traditional vs. Green Technology of Extraction
Walnut oil can be extracted using traditional as well as new and green technologies. It is low in saturated fatty acids and high in unsaturated fatty acids (monounsaturated and polyunsaturated fatty acids) as well as being high in other vital nutrients (e.g., selenium, phosphorus, and zinc).
Comparison of solvents for extraction of walnut oils
Walnut oils were obtained using five different extraction solvents (n-hexane, ethyl acetate, petroleum ether, Folch solution (chloroform/methanol, v: v = 2: 1)
Composition and Physicochemical Characterization of Walnut
The by-product of walnut oil (Juglans regia L.) extraction is a press cake rich in polyunsaturated fatty acids and other bioactive compounds. From this cake, walnut flour is obtained by a milling process. The composition and a physicochemical characterization of walnut flour was performed: proximal composition, mineral content, and fatty acid and amino acid profiles were measured. Besides
Pressing and supercritical carbon dioxide extraction of walnut oil
The objective of this study was to evaluate the oil extraction process from walnut seeds by pressing followed by extraction with supercritical CO2. In pressing
Comparison of solvents for extraction of walnut oils: Lipid
Walnut oils were obtained using five different extraction solvents (n-hexane, ethyl acetate, petroleum ether, Folch solution (chloroform/methanol, v: v = 2: 1) and acetone), and their lipid yield, lipid composition, minor components (tocopherols, squalene, phytosterols, and polyphenols), oxidative-stability indices, and antioxidant capacity (via DPPH, ABTS, FRAP, and ORAC assays) were analyzed
Comparative study of chemical compositions
The α-tocopherol content of iron walnut oil was significantly lower than that of common walnut oil, while the δ-tocopherol content of iron walnut oil (75.59–88.46
Frontiers | Roasting treatments affect oil extraction rate
Dissolve 5 g of walnut oil in 20 mL of methanol and mix, keep shaking and extract for 30 min at 50 C, centrifuge at low temperature (8,000 r/min) for 5 min. The supernatant was aspirated and the extraction process was repeated 4 times and the combined supernatant was polarized.
CHEMICAL CHARACTERIZATION OF THREE
Baby & Ranganathan (2016) [35] explained that in an economic point of view, the enzyme assisted extraction of cardamom oil could be considered as an
Pressing and supercritical carbon dioxide extraction
Oil recovery from walnut seeds by pressing can be enhanced by adjusting seed moisture at 7.5% and pressing temperature at 50 C. This results in a decrease of residual oil content in cake. Moistening seems to be more beneficial than heating in terms of OR for the range of conditions used in this study.
