Tree nut oils

Gong, Yi; Pegg, Ronald B.

doi:10.1016/b978-1-78242-376-8.00003-x

Cited by 14 publications

(4 citation statements)

References 97 publications

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“…As a result, the extraction method has an impact on nutrient composition, flavor, and antioxidant properties. Furthermore, consumers are concerned about the other best options for the production of oil [44].…”

Section: Solvent Extractionmentioning

confidence: 99%

An Overview on Traditional vs. Green Technology of Extraction Methods for Producing High Quality Walnut Oil

et al. 2022

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Walnut oil is extremely nutrient dense. It has plenty of oil and is high in fatty acids, which have positive biological properties and have a favorable impact on blood lipids and lipoproteins. Walnut oil is low in saturated fatty acids and high in unsaturated fatty acids as well as being high in other vital nutrients. 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). Walnut oil can be extracted using traditional as well as new and green technologies. The chosen extraction method has a significant impact on the lipids and other important components extracted. It is critical to select a suitable extraction process for the compounds of interest. In this study, different extraction methods are reviewed, demonstrating the significant benefits of new methods over previous approaches. New green technologies are ecologically benign and allow for shorter extraction times and yields that are comparable to those obtained using traditional methods. The new green technologies allow for higher-quality oils that are less vulnerable to oxidation processes than most of the old technologies.

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Section: Solvent Extractionmentioning

confidence: 99%

An Overview on Traditional vs. Green Technology of Extraction Methods for Producing High Quality Walnut Oil

et al. 2022

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“…The use of CNM allows to enrich food rations with hydroxycinnamic acids and tanning substances. It is known, that hydroxycinnamic acids are characterized with antimicrobial and immune-modeling properties; tanning substances have astringent, anti-inflammatory, bactericidal effect; flavonoids strengthen vessels, prevent the development of allergies, normalize the blood pressure and so on [4,[20][21][22].…”

Section: Study Of the Quantity Composition Of Phenol Compoundsmentioning

confidence: 99%

Identification of the Content of Biologically Active Substances in Nut Shots

Shydakova-Kameniuka

Novik

Zhukov

et al. 2019

EUREKA: Life Sciences

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One of ways of the food industry development is a search for non-traditional raw material resources with the high content of physiologically healthy nutrients. A promising way of biologically important raw materials is secondary products of oil production, especially shots. The aim of the research was to determine the content of biologically active substances in nut shots (cedar nut shot (CNS) and walnut shot (WNS)). The quality composition of the phenol nature was established by reactions with 10 % alcohol solutions of FeCl3, NaOH, АlCl3 and cyanidin test. The content of hydroxycinnamic acids (with recalculation for chlorogenic acid) was determined by the spectrophotometric method. The amount of tanning substances – by the method of permanganometry. The analysis of the sum of flavonoids (in recalculation for rutin) was realized by the method of differential spectrophotometry. Carbonic acids were identified by the method of gas-liquid chromatography. There were revealed quality differences in the composition of substances of the phenol nature for CNS and WNS. WNS is characterized by the higher content of hydroxycinnamic acids – in 2,5 times, tanning substances – in 3,1 times and flavonoids – in 60 times, comparing with CNS. The content of unsaturated fats in WNS is 95,79 % of the total number of fats, and in CNS – 80,05 %. The ratio Omega-3/Omega-6 for the fat component of CNS is 1/0,06, and for WNS fats – 1/1,3. WNS comparing with CNS is characterized by the higher content of malic (in 5,3 times) and fumaric (in 100 times)acid. CNS contains more lemon (in 2,9 times) and succinic (in 2,2 times) acid. That is, identification of the content of some biologically active substances in nut shots allows to recommend them for usage in technologies of food products. It allows to enrich them with phenol compounds, polyunsaturated fats and organic acids.

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“…10,11 Despite the exceptional hydrogenation performance of noble metals, 12 their widespread application is limited by their high cost. 13 Nickel-based catalysts are more promising due to their low cost as well as high hydrogenation activity. 2,14,15 Zhang et al have achieved a yield of 92.7% heptadecane when utilizing the Cu-Ni alloy catalyst for the HDO of oleic acid at 330 1C.…”

Section: Introductionmentioning

confidence: 99%