Differences in primary metabolism related to quality of raspberry ( Rubus idaeus L.) fruit under open field and protected soilless culture growing conditions.

Autor: Fuentealba C; Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile., Álvarez F; Centro Regional de Estudios en Alimentos Saludables (CREAS), Valparaíso, Chile., Ponce E; Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile., Veas S; Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile., Salazar M; Centro Regional de Estudios en Alimentos Saludables (CREAS), Valparaíso, Chile., Romero D; Centro Regional de Estudios en Alimentos Saludables (CREAS), Valparaíso, Chile., Ayala-Raso A; Instituto de Estadística, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso, Chile., Alvaro JE; Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile., Valdenegro M; Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile., Figueroa CR; Laboratory of Plant Molecular Physiology, Institute of Biological Sciences, Universidad de Talca, Talca, Chile., Fuentes L; Centro Regional de Estudios en Alimentos Saludables (CREAS), Valparaíso, Chile.
Jazyk: angličtina
Zdroj: Frontiers in plant science [Front Plant Sci] 2024 Jan 11; Vol. 14, pp. 1324066. Date of Electronic Publication: 2024 Jan 11 (Print Publication: 2023).
DOI: 10.3389/fpls.2023.1324066
Abstrakt: Introduction: The raspberry ( Rubus idaeus ) fruit is characterized by good taste and high acceptability by consumers. Thus, the impact on the quality attributes and metabolites related to raspberry taste should be evaluated in crop alternatives such as the protected soilless culture. This study aimed to evaluate the metabolic changes during fruit development and postharvest of raspberry grown in open field and protected soilless culture and their relationship with quality parameters and sensory perception.
Methods: In this study, the quality parameters and polar metabolites -sugar and amino acids- content were evaluated during raspberry ripening. In addition, ripe fruit was stored at 1 °C for five days, followed by one day of shelf life at 20 °C.
Results: The physiological and quality parameters showed typical changes during ripening in both growing conditions: a constant production of CO 2 , a drastic loss of firmness, an increase in weight and soluble solids content, loss of acidity, and a turning to red color from the green to fully ripe fruit stages in both growing conditions. Fruit from the protected soilless culture had significantly higher weight but a lower soluble solids content. The metabolic analysis showed differences in primary metabolites content during ripening and storage at 1 °C between both growing conditions. The raspberries grown in the open field showed higher contents of sugars such as D-glucose and D-fructose. On the contrary, the fruit from the protected soilless culture showed higher contents of some amino acids such as L-alanine, L-serine and L-valine, among others. The sensorial panel showed significant differences in the perception of the sweetness, acidity, color and firmness of ripe fruit from both growing conditions.
Discussion: The present study provides interesting and useful results with direct commercial application for this alternative growing system, mainly in areas where soil and water scarcity are a reality.
Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The author(s) declared that they were an editorial board member of Frontiers, at the time of submission. This had no impact on the peer review process and the final decision.
(Copyright © 2024 Fuentealba, Álvarez, Ponce, Veas, Salazar, Romero, Ayala-Raso, Alvaro, Valdenegro, Figueroa and Fuentes.)
Databáze: MEDLINE
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