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      Colorimetric variation and correlation of biometric parameters between umbu matrices Translated title: Variação colorimétrica e correlação de parâmetros biométricos entre matrizes de umbu

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          Abstract

          Abstract The umbu tree is an endemic species and is found in the Brazilian semi-arid. Umbu is highly appreciated for its socioeconomic importance and significant diversity of quality attributes. This study aims to explore the color-related variations between umbu matrices, and to evaluate the correlation between the main biometric attributes of quality. With this, 14 matrices were explored at the commercial ripening stage and submitted to colorimetric analysis (a*, b*, C* and L*) and determination of biometric parameters (fruit mass, length, width, shape, firmness, percentages of peel, seed, pulp, and yield). The colorimetric parameters were evaluated by the Scott-Knott mean test and dendrogram, and biometrics were submitted to linear correlation analysis. It was observed that in the peel green predominates, compared to the pulp, and the lowest luminosity indexes (L*) consist of the fruits with hairy peel. The saturation (C*) has a direct relationship with parameter b*; in addition, the dendrogram indicates the formation of four groups between the matrices. The correlation analysis of biometric parameters showed significant tendencies. Therefore, the results reinforce that the parameters evaluated can provide an important tool in selecting and quality control these fruits, since the required characteristics change according to their commercial purpose.

          Translated abstract

          Resumo O umbuzeiro (Spondias tuberosa arr. Câmara) é uma espécie endêmica do semiárido brasileiro. O umbu é muito apreciado, com importância socioeconômica e significativa diversidade de atributos de qualidade. O objetivo deste estudo foi explorar as variações colorimétricas entre matrizes de umbu e avaliar a correlação entre os principais atributos biométricos de qualidade. Com isso, foram explorados frutos de 14 matrizes no estádio de maturação comercial, submetidos à análise colorimétrica (a*, b*, C* e L*) e determinação de parâmetros biométricos (massa do fruto, comprimento, largura, forma, firmeza, percentuais de casca, semente, polpa e rendimento). Os parâmetros colorimétricos foram avaliados pelo teste de média Scott-Knott e pela obtenção de dendrograma; e os biométricos, submetidos à análise de correlação linear. Observou-se que na casca predomina o verde, em comparação à polpa, e os menores índices de luminosidade (L*) consistiram nos frutos com casca pilosa, e a saturação (C*) apresentou relação direta com o parâmetro b*; além disso, o dendrograma indicou a formação de quatro grupos entre as matrizes. A análise de correlação dos parâmetros biométricos apresentou tendências significativas importantes. Os resultados reforçaram que os parâmetros avaliados podem conferir uma importante ferramenta na seleção e no controle de qualidade, pois as características exigidas mudam conforme a finalidade comercial.

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          Most cited references12

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          Performance of new low-cost handheld NIR spectrometers for nondestructive analysis of umbu (Spondias tuberosa Arruda) quality

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            Knowledge and use of wild food plants in areas of dry seasonal forests in Brazil

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              Postharvest of fruits and vegetables: Physiology and handling.

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                Author and article information

                Journal
                rbf
                Revista Brasileira de Fruticultura
                Rev. Bras. Frutic.
                Sociedade Brasileira de Fruticultura (Jaboticabal, SP, Brazil )
                0100-2945
                1806-9967
                2022
                : 44
                : 6
                : e-479
                Affiliations
                [01] Bananeiras orgnameUniversidade Federal da Paraíba Brazil
                Article
                S0100-29452022000600301 S0100-2945(22)04400600301
                10.1590/0100-29452022479
                03fd10ea-0281-4a31-8a95-9187c544a824

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 01 November 2022
                : 23 October 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 12, Pages: 0
                Product

                SciELO Brazil

                Categories
                Harvest and post harvest

                Fruit quality,caatinga,umbuzeiro,Spondias tuberosa,Qualidade de frutos

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