Carbohydrate and dehydrin-like protein profiles during Araucaria angustifolia seed development provides insights toward ex situ conservation

Goeten, Daniela; Farias-Soares, Francine L.; Rogge-Renner, Gladys D.; Pereira, Maria L. T.; Walters, Christina; Silveira, Vanildo; Santa–Catarina, Claudete; Guerra, Miguel Pedro; Steiner, Neusa

doi:10.1007/s00468-023-02419-z

Trees

2023

DOI: 10.1007/s00468-023-02419-z

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Carbohydrate and dehydrin-like protein profiles during Araucaria angustifolia seed development provides insights toward ex situ conservation

Daniela Goeten

Francine L. Farias-Soares

Gladys D. Rogge-Renner

et al.

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2024

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Cited by 2 publications

References 89 publications

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Overview of the potential of pine nuts (Araucaria angustifolia) in new food options and films: an approach on quality, versatility and sustainability

Salvadori,

da Conceição das Mercês,

Evangelista

et al. 2024

Int J of Food Sci Tech

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SummaryPine nuts (Araucaria angustifolia) are naturally distributed in South America and are increasingly being used as a food ingredient. This article aims to evaluate studies that have demonstrated the potential of pine nuts, their applicability in food products and biofilms using this raw material. Detailed search strategies were implemented in each of the selected databases. The results revealed that pine nuts are widely used as food ingredients due to their nutritional value and mild flavour, which allows for the development of different innovative product formulations. The analysis of the studies showed that pine nut seeds can be used as flour, pulp, shell, starch and extract and from these generate other new products. Pine nuts‐based products contain significant amounts of fibre, starch, antioxidants, phenolic compounds and proteins. As for the sensory aspects, the assessors showed good acceptance of the attributes. Incorporation into biofilms could also favour the future of sustainable and antioxidant packaging. Access to new options could increase vegetable productivity and boost new products, favouring the economy, adding nutritional value and expanding sustainability possibilities.

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Overview of the potential of pine nuts (Araucaria angustifolia) in new food options and films: an approach on quality, versatility and sustainability

Salvadori,

da Conceição das Mercês,

Evangelista

et al. 2024

Int J of Food Sci Tech

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The metabolic profiles of Eugenia astringens and E. uniflora (Myrtaceae) sensitive seeds affect desiccation

Rodrigues,

Mauve,

Gakiere

et al. 2024

Physiologia Plantarum

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Myrtaceae species are abundant in tropical Atlantic rainforests, but 41% of the 5500 species of this family are of extreme conservation concern. Eugenia astringens and E. uniflora are native Brazilian Myrtaceae species that occur in the same habitats and produce desiccation‐sensitive (DS) seeds. We hypothesized that their seed desiccation‐sensitivity degree is associated with specific metabolic signatures. To test it, we analyzed the germination and metabolic profiles of fresh and desiccated seeds. The water content (WC) at which at least half of the seeds survived desiccation was lower in E. astringens (0.17 g H2O g−1 DW) than in E. uniflora (0.41 g H2O g−1 DW). We identified 103 annotated metabolites from 3261 peaks in both species, which differed in their relative contents between E. astringens and E. uniflora seeds. The main differences in seed metabolic profiles include several protective molecules in the group of carbohydrates and organic acids and amino acid contents. The relative contents of monosaccharides and disaccharides, malic and quinic acids, amino acids and saturated fatty acids may have taken part in the distinct DS behaviour of E. astringens and E. uniflora seeds. Our study provides evidence of the relationship between desiccation sensitivity, seed viability and metabolic profile of tropical seeds by comparing two closely related Eugenia species with different DS degrees.

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Carbohydrate and dehydrin-like protein profiles during Araucaria angustifolia seed development provides insights toward ex situ conservation

Cited by 2 publications

References 89 publications

Overview of the potential of pine nuts (Araucaria angustifolia) in new food options and films: an approach on quality, versatility and sustainability

Overview of the potential of pine nuts (Araucaria angustifolia) in new food options and films: an approach on quality, versatility and sustainability

The metabolic profiles of Eugenia astringens and E. uniflora (Myrtaceae) sensitive seeds affect desiccation

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