Screening the Citrus Greek National Germplasm Collection for fruit quality and metabolic footprint

Michailidis, Michail; Ziogas, Vasileios; Sarrou, Eirini; Nasiopoulou, Elpida; Styliani Titeli, Vaia; Skodra, Christina; Tanou, Georgia; Ganopoulos, Ioannis; Martens, Stefan; Molassiotis, Athanassios

doi:10.1016/j.foodchem.2023.137573

Cited by 4 publications

(2 citation statements)

References 36 publications

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“…bergamia ined., three cultivars), and limes ( C. x aurantifolia var. aurantifolia , two cultivars), all indigenous to Greece as described in Michailidis et al (Table S1). The orchard was set up of 25 years old trees that were all grafted onto a Citrus aurantium var.…”

Section: Methodsmentioning

confidence: 99%

Comparative Evaluation of Secondary Metabolite Chemodiversity of Citrus Genebank Collection in Greece: Can the Peel be More than Waste?

Martinidou,

Michailidis,

Ziogas

et al. 2024

J. Agric. Food Chem.

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Citrus fruits are among the most economically important crops in the world. In the global market, the Citrus peel is often considered a byproduct but substitutes an important phenotypic characteristic of the fruit and a valuable source of essential oils, flavonoids, carotenoids, and phenolic acids with variable concentrations. The Mediterranean basin is a particularly dense area of autochthonous genotypes of Citrus that are known for being a source of healthy foods, which can be repertoires of valuable genes for molecular breeding with the focus on plant resistance and quality improvement. The scope of this study was to characterize and compare the main phenotypic parameters (i.e., peel thickness, fruit volume, and area) and levels of bioactive compounds in the peel of fruits from the local germplasm of Citrus in Greece, to assess their chemodiversity regarding their polyphenolic, volatile, and carotenoid profiles. A targeted liquid chromatographic approach revealed hesperidin, tangeretin, narirutin, eriocitrin, and quercetin glycosides as the major polyphenolic compounds identified in orange, lemon, and mandarin peels. The content of tangeretin and narirutin followed the tendency mandarin > orange > lemon. Eriocitrin was a predominant metabolite of lemon peel, following its identification in lower amounts in mandarin and at least in the orange peel. For these citrus-specific metabolites, high intra-but also interspecies chemodiversity was monitored. Significant diversity was found in the essential oil content, which varied between 1.2 and 3% in orange, 0.2 and 1.4% in mandarin, and 0.9 and 1.9% in lemon peel. Limonene was the predominant compound in all Citrus species peel essential oils, ranging between 88 and 93% among the orange, 64 and 93% in mandarin, and 55 and 63% in lemon cultivars. Carotenoid analysis revealed different compositions among the Citrus species and accessions studied, with β-cryptoxanthin being the most predominant metabolite. This large-scale metabolic investigation will enhance the knowledge of Citrus peel secondary metabolite chemodiversity supported by the ample availability of Citrus genetic resources to further expand their exploitation in future breeding programs and potential applications in the global functional food and pharmaceutical industries.

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Section: Methodsmentioning

confidence: 99%

Comparative Evaluation of Secondary Metabolite Chemodiversity of Citrus Genebank Collection in Greece: Can the Peel be More than Waste?

Martinidou,

Michailidis,

Ziogas

et al. 2024

J. Agric. Food Chem.

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“…In Italy, lemon cultivation excellent fruit traits and resistance to mal secco disease, a tracheomycosis caused by the mitosporic fungus Plenodomus tracheiphilus, which represent the most limiting factor of lemon production in the Mediterranean Basin [23]. This has led to the enlargement of the existing Italian lemon germplasm, although the characterization of those traits linked with production, fruit quality, and breeding is lacking and even very dated, except for a few examples [24][25][26][27][28][29][30][31]. In fact, most of the varieties considered in the present research were identified in the framework of breeding activities conducted for selecting new varieties with enhanced tolerance to the disease, but most of them are not widely used by growers and only maintained in the germplasm collection at the University of Naples Federico II and in the University of Catania experimental farms.…”

Section: Introductionmentioning

confidence: 99%

A Decade-Long Quantitative–Qualitative Characterization of 18 Lemon Cultivars

Di Vaio,

Cirillo,

Catalano

et al. 2023

Horticulturae

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Together with lime, lemon is recognized as the third most extensively cultivated citrus species worldwide, trailing only behind orange and mandarin. The enhancement in the economic value of lemons as a valuable resource in Southern Italy depends by the competitiveness of local lemon production in both domestic and international markets. This necessitates conducting a comprehensive study that thoroughly explores the available indigenous germplasm at the local and national levels. This study aims to identify the most promising Sicilian and Campanian cultivars that are well suited for both fresh fruit consumption and the production of processed goods. This re-study assumes even greater importance considering the ongoing climate changes, as environmental stresses significantly impact the ripening process and the timing of fruit development. Our study has highlighted a notable diversity among the 18 investigated lemon cultivars, particularly highlighting specific cultivars that possess desirable attributes for fresh consumption. The cultivars that showed the greatest cumulative production over the 10 years of the study were Erice with 467.89 kg/tree and Femminello Siracusano 2KR with 408.44 kg. Notably, cultivars like Segesta, Erice, and Kamarina have exhibited higher percentages of juice content ranging from 27.30% to 31.08%. These cultivars show great potential for abundant juice content and optimal acidity levels for direct consumption. On the other hand, cultivars characterized by enhanced yield, such as Femminello Siracusano 2KR, Femminello Fior d’Arancio m79, and Erice, may prove to be particularly well suited to produce processed goods. Overall, our findings provide valuable insights into some qualitative parameters of lemon cultivars, important either for fresh consumption or for transformed products.

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Improving SSC detection accuracy of cherry tomatoes by feature synergy and complementary spectral bands combination

Zheng,

Liu,

Zheng

et al. 2024

Postharvest Biology and Technology

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Screening the Citrus Greek National Germplasm Collection for fruit quality and metabolic footprint

Cited by 4 publications

References 36 publications

Comparative Evaluation of Secondary Metabolite Chemodiversity of Citrus Genebank Collection in Greece: Can the Peel be More than Waste?

Comparative Evaluation of Secondary Metabolite Chemodiversity of Citrus Genebank Collection in Greece: Can the Peel be More than Waste?

A Decade-Long Quantitative–Qualitative Characterization of 18 Lemon Cultivars

Improving SSC detection accuracy of cherry tomatoes by feature synergy and complementary spectral bands combination

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