Evaluation of hazelnut and walnut oil chemical traits from conventional cultivars and native genetic resources in a non-traditional crop environment from Argentina

Cittadini, María Cecilia; Martin, Dario Miguel; Gallo, Silvia Laura; Fuente, Gaston Eduardo; Bodoira, Romina Mariana; Martı́nez, Marcela; Maestri, Damián

doi:10.1007/s00217-020-03453-8

Cited by 31 publications

(27 citation statements)

References 40 publications

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“…In experimental orchards in the Northeastern region of Argentinean Patagonia, several introduced and local cultivars show good yield components response, with oil contents ranging between 66% and 72%. [ 73 ]…”

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

“…It usually ranges from 72% to 82% but higher percentages (up to 85%) have been reported from oils obtained in Italy [ 72,74,76 ] and Argentina. [ 73 ] Linoleic acid and saturated FA (palmitic and stearic acids together) concentrations usually do not exceed 15% and 6%, respectively. Linolenic acid may be present at very low concentrations (usually lesser than 0.3%).…”

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

“…[ 60 ] By using the Rancimat method at 110 °C, HOs show oxidative stability indexes (OSI, 16–23 h) higher than other nut oils oxidized under the same conditions (Table 1). [ 73 ]…”

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

“…Recently, some specific conventional cultivars (Chandler, Fernette, Franquette, Howard, Tulare) and a local landrace (Trompito INTA) growing in a non‐traditional environment from the Argentinean Patagonia were found to yield kernel oil contents ranging between 74% and 79%. [ 73 ]…”

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

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Tree Nut Oils: Chemical Profiles, Extraction, Stability, and Quality Concerns

Maestri

Cittadini

Bodoira

et al. 2020

Euro J Lipid Sci & Tech

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Tree nuts are globally consumed. Their kernels are calorie-rich, nutrient-dense foods and contain several bioactive and health-promoting components. While some nut crops have expanded through the world since ancient times (almond, hazelnut, walnut), more recently, there has been a parallel development of underexploited promising species (Brazil nut, macadamia, pecan). Nut kernels have high lipid content, ranging from 40% to 80% depending on nut species and varieties. In general, nut oils contain significant proportions of nutritionally and medicinally desirable fatty acids and nutraceutical compounds (sterols, tocopherols, and other phenolics). A considerable genetic variability in oil content and composition is present in nut genetic resources worldwide. This suggests the possibility of different breeding lines focused to enhance oil yields, chemical and quality traits. Regarding extraction, screw-pressing is suitable to achieve high oil recovery and good quality standards, but seed materials should be conditioned appropriately. Seed moisture content and pressing temperature appear as key variables to enhance oil recovery. This article presents an overview on chemical profiles, mechanical extraction, and quality concerns of oils from the most widely produced tree nut crops. The revision is also aimed at identifying areas where knowledge is insufficient and to set priorities for further research. Practical applications: The review updates and increases knowledge about oils from tree nut genetic resources, encompassing genetic variability and environmental effects on oil yield and compositional traits. It also analyzes findings regarding oil extraction and provides useful insights to establish better conditions for achieving sustainable oil yields and good quality standards.

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Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

“…[ 60 ] By using the Rancimat method at 110 °C, HOs show oxidative stability indexes (OSI, 16–23 h) higher than other nut oils oxidized under the same conditions (Table 1). [ 73 ]…”

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

Section: Chemistry and Quality Of Nut Oilsmentioning

confidence: 99%

See 2 more Smart Citations

Tree Nut Oils: Chemical Profiles, Extraction, Stability, and Quality Concerns

Maestri

Cittadini

Bodoira

et al. 2020

Euro J Lipid Sci & Tech

Self Cite

View full text Add to dashboard Cite

show abstract

“…We investigated possible differences in the fat content owing to geography. The local cultivar ‘Casina’ and the reference cultivars ‘Butler’, ‘Segorbe’, ‘Morell’, and ‘Negret’ showed similar or higher oil content than reported in Argentina ( Cittadini et al, 2020 ), New Zealand ( Savage and McNeil, 1998 ), Iran ( Hosseinpour et al, 2013 ), Italy ( Bacchetta et al, 2013 ), and Portugal ( Amaral et al, 2006 ).…”

Section: Discussionmentioning

confidence: 55%

Variation of Morphological, Agronomic and Chemical Composition Traits of Local Hazelnuts Collected in Northern Spain

et al. 2021

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Hazelnut is a traditional crop in northern Spain, where it grows wild as well as being cultivated. A field collection of 41 local and 17 non-local accessions, including 15 well-known cultivars, was established at SERIDA in Villaviciosa, Spain. Here, phenotypic variation was documented for phenological and morphological traits and chemical composition. A large degree of variation for most morphological and phenological traits, except nut maturity date, was revealed. Estimates of broad-sense heritability were high (>0.75) for most of the assessed characters, except for the first male bloom date (0.65), male and female flowering periods (0.40, 0.31), kernel weight (0.69), and kernel percentage (0.33). Local accessions produced smaller nuts and kernels than well-known cultivars but with higher kernel percentage. Limited overlapping between the male and female flowering periods (dychogamy) was observed, except for ‘Forcinas 1’, ‘Forcinas 2’, and ‘Morell’. The local accessions generally exhibited significantly later male and female flowering compared with the reference cultivars. The local materials showed similar nutritional values to those reported previously for hazelnut. Moreover, the local accessions presented average values similar to the non-local accessions for total fat, ash and carbohydrate contents, as well as energy value, but their protein contents were lower. Their oils were rich in functional compounds, such as unsaturated fatty acids (average: 90.1%), tocopherols (514 mg/kg) and squalene (294.3 mg/kg). A hierarchical clustering on principal components analysis grouped the accessions and differentiated eight local accessions from the rest, including the landrace ‘Casina’. This finding provides potential new cultivars, as well as sources of desirable traits, for European hazelnut breeding programs.

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