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Towards chemical characterization and possible applications of jucara fruit: an approach to remove Euterpe edulis Martius from the extinction list.

ABSTRACT: Juçara (Euterpe edulis Martius) is a palm widely distributed in the Atlantic Forest. It produces a non-climacteric, black-violet small fruit similar to the Amazonian açaí (Euterpe precatoria). The fruit is known as superfruit because it presents chemical characteristics of great importance, such as anthocyanins content. Regarding bioactive compounds and antioxidant scavenging capacity, it presents high anthocyanin (634.26 to 2,929 mg of cyanidin-3-glucoside 100 g^-1) and total phenolic compounds (415.1 to 9,778.20 mg equivalents of gallic acid 100 g^-1) contents. The soluble solid content ranges from 3.0 to 4.9% and its pH is higher than other tropical fruits (4.8 to 5.6). Despite the rich bioactive compound content of juçara fruits, this plant has been traditionally used for palm heart production. The accelerated and illegal palm heart exploitation, without the use of an adequate management has led to the risk of extinction of this species. In order to prevent this species from vanishing, several studies have valued the health characteristics of juçara fruit chemical composition. An economical approach has been the production of juçara pulp described as a source of bioactive compounds, which has attracted the attention of industrial field aiming the production of functional foods, foodstuff, cosmetics and pharmaceutical products. A full botanical and chemical characterization of juçara tree and fruit is presented in this paper, as well as suggestions to increase the use of this tropical fruit and derivatives.

Supplementary information

The online version contains supplementary material available at 10.1007/s13197-021-05342-8.

SUBMITTER: Cunha de Souza Pereira D

PROVIDER: S-EPMC9873873 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Towards chemical characterization and possible applications of juçara fruit: an approach to remove Euterpe edulis Martius from the extinction list.

Cunha de Souza Pereira Danielle D Dos Santos Gomes Flávia F Valeriano Tonon Renata R Beres Carolina C Maria Corrêa Cabral Lourdes L

Journal of food science and technology 20220121 2

Juçara (Euterpe edulis Martius) is a palm widely distributed in the Atlantic Forest. It produces a non-climacteric, black-violet small fruit similar to the Amazonian açaí (Euterpe precatoria). The fruit is known as superfruit because it presents chemical characteristics of great importance, such as anthocyanins content. Regarding bioactive compounds and antioxidant scavenging capacity, it presents high anthocyanin (634.26 to 2,929 mg of cyanidin-3-glucoside 100 g-1</sup ...[more]

PMID: 36712206

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Project description:The Brazilian palm fruits and hearts-of-palm of Euterpe edulis, E. oleracea and E. precatoria are an important source for agro-industrial production, due to overexploitation, conservation strategies are required to maintain genetic diversity. Chloroplast genomes have conserved sequences, which are useful to explore evolutionary questions. Besides the plastid DNA, genome skimming allows the identification of other genomic resources, such as single nucleotide polymorphisms (SNPs), providing information about the genetic diversity of species. We sequenced the chloroplast genome and identified gene content in the three Euterpe species. We performed comparative analyses, described the polymorphisms among the chloroplast genome sequences (repeats, indels and SNPs) and performed a phylogenomic inference based on 55 palm species chloroplast genomes. Finally, using the remaining data from genome skimming, the nuclear and mitochondrial reads, we identified SNPs and estimated the genetic diversity among these Euterpe species. The Euterpe chloroplast genomes varied from 159,232 to 159,275 bp and presented a conserved quadripartite structure with high synteny with other palms. In a pairwise comparison, we found a greater number of insertions/deletions (indels = 93 and 103) and SNPs (284 and 254) between E. edulis/E. oleracea and E. edulis/E. precatoria when compared to E. oleracea/E. precatoria (58 indels and 114 SNPs). Also, the phylogeny indicated a closer relationship between E. oleracea/E. precatoria. The nuclear and mitochondrial genome analyses identified 1,077 SNPs and high divergence among species (FST = 0.77), especially between E. edulis and E. precatoria (FST = 0.86). These results showed that, despite the few structural differences among the chloroplast genomes of these Euterpe palms, a differentiation between E. edulis and the other Euterpe species can be identified by point mutations. This study not only brings new knowledge about the evolution of Euterpe chloroplast genomes, but also these new resources open the way for future phylogenomic inferences and comparative analyses within Arecaceae.

Dataset Information

Towards chemical characterization and possible applications of jucara fruit: an approach to remove Euterpe edulis Martius from the extinction list.

Supplementary information

Publications

Towards chemical characterization and possible applications of juçara fruit: an approach to remove <i>Euterpe edulis</i> Martius from the extinction list.

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