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Quality Evaluation of Pickled Ivy Gourd (Coccinia grandis) | Chapter 11 | Current Research in Agriculture and Horticulture Vol. 1

Ivy gourd is an underutilized vegetables found in the North of Minas Gerais State-Brazil. It is mainly consumed raw as salad. Pickling fruits can enhance the commercial exploitation of this species. However, no information on the processing techniques of the ivy gourd fruits in Brazil is found in literature. The objective of this study was to evaluate the quality parameters in the production of pickled ivy gourd. The treatments consisted of three bleaching times (3, 6 and 9 minutes), using a completely randomized design, with seven replicates. We evaluated the traits: instrumental analyzes of pH, color, total titratable acidity, soluble solids, texture and sensorial affective tests. The pH is within the indicated range (below 4.5) and the bleaching time influenced the color and texture alteration since the sample under 3-minute bleaching presented a greater tendency for green and greater firmness. For the sensory analysis, no significant difference related to sensory scoring was noticed; in relation to mode value, we concluded that the 6-minute sample was more preferable, though. For titratable total acidity and soluble solids analyses, no significant differences between the samples was noticed, considering that both parameters were within the standard when compared to other literature. We concluded that heat treatment influenced only the texture and color intensity and the preserved product showed good acceptability. Influência do tratamento térmico na qualidade de maxixinho (Coccinia grandis) em conserva O maxixinho é uma das hortaliças não convencionais encon-tradas no Norte de Minas Gerais, sendo consumido principalmente como salada crua. Uma forma de consumo que pode potencializar a exploração comercial desta espécie é a conserva. Entretanto, não existe informação sobre o processamento do maxixinho na forma de conserva no Brasil. Assim, o objetivo do presente trabalho foi elaborar picles de maxixinho e avaliar parâmetros de qualidade na produção de maxixinho em conserva. O experimento constou de três tratamentos, sendo eles a variação do tempo de branqueamento (3, 6 e 9 minutos). Foi empregado o delineamento inteiramente casualizado, com sete repetições. Foram avaliadas as características: análises instrumentais de pH, cor, acidez total titulável, sólidos solúveis, textura e testes sen-soriais afetivos. Observou se que o pH está dentro do indicado (abaixo de 4,5) e que o tempo de branqueamento influenciou na alteração da cor e da textura pois a amostra conduzida sob branqueamento de 3 minutos apresentou maior tendência ao verde e maior firmeza. Para a análise sensorial, não houve diferença significativa das notas, mas em função do valor da moda conclui-se que a amostra de 6 minutos teve maior preferência. Para as análises de acidez total titulável e sólidos solúveis, não houve diferença significativa entre as amostras, sendo que ambos os parâmetros se apresentaram dentro do padrão quando comparados com outras literaturas. Pode-se concluir que o tratamento térmico influenciou apenas na textura e na intensidade da cor e a conserva apresentou boa aceitabilidade.

Author(s) Details

Thaís Inês M. Souza
Universidade Federal de Minas Gerais (UFMG), Montes Claros-MG, Brazil.

Cândido A. Costa
Universidade Federal de Minas Gerais (UFMG), Montes Claros-MG, Brazil.

Milton N. C. Chauca
Universidade Federal de Minas Gerais (UFMG), Montes Claros-MG, Brazil.

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