Carolina A. Torres
University of Talca
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Publication
Featured researches published by Carolina A. Torres.
Chilean Journal of Agricultural Research | 2013
Cristian Balbontin; Héctor Ayala; Richard M. Bastías; Gerardo Tapia; Miguel Ellena; Carolina A. Torres; José Antonio Yuri; José Quero-García; Juan Rı́os; Herman Silva
Rain-induced cracking in fruits of sweet cherry (Prunus avium L.) is a problem in most producing areas of the world and causes significant economic losses. Different orchard management practices have been employed to reduce the severity of this problem, although a complete solution is not yet available. Fruit cracking is a complex phenomenon and there are many factors that seem to be involved in its development. During the last decade, genomic and biochemical approaches have provided new insights on the different mechanisms that could be involved in the differential susceptibility shown by commercial cultivars. For instance, sweet cherry genome and transcriptome sequencing information have provided new opportunities to study the expression and structure of genes involved in cracking, which may help in the development of new tolerant cultivars. The present review summarizes, discuss, and integrate most of the recently generated information in cultural practices, physiology, biochemistry, and genetics in relation to cracking in sweet cherries.
Journal of Food Science | 2016
Anibal A. Concha-Meyer; Valeria D'Ignoti; Barbara Saez; Ricardo I. Diaz; Carolina A. Torres
Strawberry and kiwi leathers were used to develop a new healthy and preservative-free fruit snack for new markets. Fruit puree was dehydrated at 60 °C for 20 h and subjected to accelerated storage. Soluble solids, titratable acidity, pH, water activity (aw ), total phenolic (TP), antioxidant activity (AOA) and capacity (ORAC), and color change (browning index) were measured in leathers, cooked, and fresh purees. An untrained panel was used to evaluate consumer acceptability. Soluble solids of fresh purees were 11.24 to 13.04 °Brix, whereas pH was 3.46 to 3.39. Leathers presented an aw of 0.59 to 0.67, and a moisture content of 21 kg water/100 kg. BI decreased in both leathers over accelerated storage period. TP and AOA were higher (P ≤ 0.05) in strawberry formulations. ORAC decreased 57% in strawberry and 65% in kiwi leathers when compared to fruit puree. TP and AOA increased in strawberries during storage. Strawberry and Kiwi leathers may be a feasible new, natural, high antioxidant, and healthy snack for the Chilean and other world markets, such as Europe, particularly the strawberry leather, which was preferred by untrained panelists.
Frontiers in Plant Science | 2017
Carolina A. Torres; Gloria Sepúlveda; Besma Kahlaoui
Sun-related physiological disorders such as sun damage on apples (Malus domestica Borkh) are caused by cumulative photooxidative and heat stress during their growing season triggering morphological, physiological, and biochemical changes in fruit tissues not only while it is on the tree but also after it has been harvested. The objective of the work was to establish the interaction of auxin (indole-3-acetic acid; IAA), abscisic acid (ABA), jasmonic acid (JA), salicylic acid (SA), and ethylene (ET) and its precursor ACC (free and conjugated, MACC) during development of sun-injury-related disorders pre- and post-harvest on apples. Peel tissue was extracted from fruit growing under different sun exposures (Non-exposed, NE; Exposed, EX) and with sun injury symptoms (Moderate, Mod). Sampling was carried out every 15 days from 75 days after full bloom (DAFB) until 120 days post-harvest in cold storage (1°C, > 90%RH). Concentrations of IAA, ABA, JA, SA, were determined using UHPLC mass spectrometry, and ET and ACC (free and conjugated MACC) using gas chromatography. IAA was found not to be related directly to sun injury development, but it decreased 60% in sun exposed tissue, and during fruit development. ABA, JA, SA, and ethylene concentrations were significantly higher (P ≤ 0.05) in Mod tissue, but their concentration, except for ethylene, were not affected by sun exposure. ACC and MACC concentrations increased until 105 DAFB in all sun exposure categories. During post-harvest, ethylene climacteric peak was delayed on EX compared to Mod. ABA and SA concentrations remained stable throughout storage in both tissue. JA dramatically increased post-harvest in both EX and Mod tissue, and orchards, confirming its role in low temperature tolerance. The results suggest that ABA, JA, and SA together with ethylene are modulating some of the abiotic stress defense responses on sun-exposed fruit during photooxidative and heat stress on the tree.
Journal of Food Agriculture & Environment | 2010
José Antonio Yuri; Amalia Neira; Alvaro Quilodran; Iván Razmilic; Yoshie Motomura; Carolina A. Torres; Iván Palomo
Lwt - Food Science and Technology | 2015
Carolina A. Torres; Luis A. Romero; Ricardo I. Diaz
Postharvest Biology and Technology | 2015
Claudia Moggia; Marcia Pereira; José Antonio Yuri; Carolina A. Torres; Omar Hernández; M. Gloria Icaza; Gustavo A. Lobos
Postharvest Biology and Technology | 2014
Omar Hernández; Carolina A. Torres; María Alejandra Moya-León; María C. Opazo; Iván Razmilic
Scientia Horticulturae | 2013
Carolina A. Torres; Alvaro Sepulveda; Jaime González-Talice; José Antonio Yuri; Iván Razmilic
Hortscience | 2011
José Antonio Yuri; Claudia Moggia; Carolina A. Torres; Alvaro Sepulveda; Valeria Lepe; Jose L. Vasquez
Scientia Horticulturae | 2016
Carolina A. Torres; Alvaro Sepulveda; Lorenzo León; José Antonio Yuri