Influence of storage on darkening and hardening of slow- and regular-darkening carioca bean (Phaseolus vulgaris L.) genotypes

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dc.creatorSiqueira, Beatriz dos Santos
dc.creatorPereira, Wendell Jacinto
dc.creatorBatista, Karla de Aleluia
dc.creatorOomah, B. Dave
dc.creatorFernandes, Kátia Flávia
dc.creatorBassinello, Priscila Zaczuk
dc.date.accessioned2018-10-03T14:47:49Z
dc.date.available2018-10-03T14:47:49Z
dc.date.issued2014
dc.description.abstractNew carioca bean cultivars are being introduced into the market necessitating their evaluation under trade conditions, which often require storage under ambient conditions. We therefore evaluated the darkening and hardening processes of six carioca bean genotypes each representing regular and slow darkening trait during storage under ambient conditions for five months to elucidate their relationship as a breeding strategy. Storage time adversely affected color characteristics (L*, a*, b*, C* and ΔE) depending on bean genotype, whereas hardness and resistance to cooking increased during storage independent of the lignification process. Bean darkening and hardening occurred during storage at different intensities in each genotype and were not always correlated. BRSMG-Madrepérola, a slow darkening genotype, was unaffected (resistant to storage conditions), whereas BRS-Pontal with regular tegument darkening, was highly susceptible to storage conditions reflected in extended cooking time and darkening (low L* values). Principal component and cluster analyses on 8 constituents analyzed in this study demonstrate the difference in color characteristics, cooking time and hardness as major factors in segregating the bean genotypes. Seed coat color is an important but inappropriate single parameter for predicting the resistance to cooking or hardness induced by storage of carioca beans under ambient conditions. Development of carioca bean genotypes resistant to storage conditions is essential in reducing food losses during postharvest.pt_BR
dc.identifier.citationSIQUEIRA, Beatriz S. et al. Influence of storage on darkening and hardening of slow- and regular-darkening carioca bean (Phaseolus vulgaris L.) genotypes. Journal of Agricultural Studies, Las Vegas, v. 2, n. 2, p. 87-104, 2014.pt_BR
dc.identifier.doi10.5296/jas.v2i2.5859
dc.identifier.issne- 2166-0379
dc.identifier.issn2166-0379
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/16109
dc.language.isoengpt_BR
dc.publisher.countryEstados unidospt_BR
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectAmbient conditionspt_BR
dc.subjectPhaseolus vulgarispt_BR
dc.subjectChromaticitypt_BR
dc.subjectCooking timept_BR
dc.subjectDarkeningpt_BR
dc.subjecthardnesspt_BR
dc.subjectLignificationpt_BR
dc.subjectLuminositypt_BR
dc.subjectCariocapt_BR
dc.titleInfluence of storage on darkening and hardening of slow- and regular-darkening carioca bean (Phaseolus vulgaris L.) genotypespt_BR
dc.typeArtigopt_BR

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