Fungal infections cause losses amounting to between 20 and 25% of the fruit industry's total outcome, with an escalating impact on agriculture in the last decades. As seaweeds have long demonstrated relevant antimicrobial properties against a wide variety of microorganisms, extracts from , sp., , and were used to find sustainable, ecofriendly, and safe solutions against Rocha pear postharvest fungal infections. , , , and mycelial growth and spore germination inhibition activities were tested in vitro with five different extracts of each seaweed (-hexane, ethyl acetate, aqueous, ethanolic, and hydroethanolic). An in vivo assay was then performed using the aqueous extracts against and in Rocha pear. The -hexane, ethyl acetate, and ethanolic extracts from showed the best in vitro inhibitory activity against , and and promising in vivo results against using aqueous extract were also found. The present work highlights the contribution of seaweeds to tackle agricultural problems, namely postharvest phytopathogenic fungal diseases, contributing to a greener and more sustainable bioeconomy from the sea to the farm.
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http://dx.doi.org/10.3390/jof9020269 | DOI Listing |
Foods
April 2024
Associated Laboratory for Green Chemistry-Network of Chemistry and Technology (LAQV-REQUIMTE), Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
Foods
August 2023
Association BLC3-Technology and Innovation Campus, Centre Bio R&D Unit, Oliveira do Hospital, Rua Nossa Senhora da Conceição nº 2, 3405-155 Coimbra, Portugal.
The European Union has established two designations, Protected Designation of Origin (PDO) and Protected Geographical Indication (PGI), to guarantee the authenticity of products with valued specificities associated with the regions where they are produced. The valorization of these products, particularly fruits, not only preserves their natural origins but also promotes the cultivalion of specific regional fruit varieties. This contributes to the preservation of biodiversity and the development of innovative bio-based products in the regions of production.
View Article and Find Full Text PDFJ Fungi (Basel)
February 2023
MARE-Marine and Environmental Sciences Centre & ARNET-Aquatic Research Network Associated Laboratory, ESTM, Polytechnic of Leiria, 2520-641 Peniche, Portugal.
Fungal infections cause losses amounting to between 20 and 25% of the fruit industry's total outcome, with an escalating impact on agriculture in the last decades. As seaweeds have long demonstrated relevant antimicrobial properties against a wide variety of microorganisms, extracts from , sp., , and were used to find sustainable, ecofriendly, and safe solutions against Rocha pear postharvest fungal infections.
View Article and Find Full Text PDFMolecules
December 2022
LAQV/REQUIMTE, Chemistry and Biochemistry Department, Science Faculty, Porto University, 4169-007 Porto, Portugal.
This work explores the potential of Rocha do Oeste pear pomace to be used as a sustainable and healthy food ingredient. Moreover, the enrichment with yeast protein extract (YPE) may be useful to design innovative food products. The main goals of this study were to assess pear pomace concerning: (i) chemical composition and antioxidant capacity; (ii) rheology, texture, and microstructure characterization (alone or enriched with YPE), before and after heating.
View Article and Find Full Text PDFHortic Res
May 2022
Instituto Nacional de Investigação Agrária e Veterinária, I.P., Quinta do Marquês, 2780-159 Oeiras, Portugal.
Pears () are one of the most economically important fruits worldwide. The genus is characterized by a high degree of genetic variability between species and interspecific hybrids, and several studies have been performed to assess this variability for both cultivated and wild accessions. These studies have mostly been limited by the resolving power of traditional molecular markers, although in the recent past the availability of reference genome sequences or SNP arrays for pear have enhanced the capability of high-resolution genomics studies.
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