Polysaccharide from <Emphasis Type="Italic">Anacardium occidentale</Emphasis> L. tree gum (Policaju) as a coating for Tommy Atkins mangoes |
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| Authors: | Marthyna P Souza Miguel A Cerqueira Bartolomeu W S Souza José A Teixeira Ana L F Porto António A Vicente Maria G Carneiro-da-Cunha |
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| Institution: | 1.Departamento de Bioquímica,Universidade Federal de Pernambuco,Recife,Brazil;2.IBB — Institute for Biotechnology and Bioengineering, Centre of Biological Engineering,Universidade do Minho,Braga,Portugal;3.Laboratório de Imunopatologia Keizo Asami,Universidade Federal de Pernambuco,Recife,Brazil;4.Departamento de Morfologia e Fisiologia Animal,Universidade Federal Rural de Pernambuco-UFRPE,Recife,Brazil |
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| Abstract: | Policaju-based coatings were applied on “Tommy Atkins” mangoes and the effects of four different treatments on mango shelf-life
were evaluated under storage condition at 4°C and 82 % of relative humidity over 28 days. The surface tension of mangoes was
found to be 29.04 mN m−1; the dispersive and polar components were 27.57 mN m−1 and 1.47 mN m−1, respectively, and the critical surface tension was 22.7 mN m−1. A significantly lower mass loss was observed in all mangoes treated with Policaju-based coatings. For all applied treatments,
no significant variation in the total soluble solids and pH was detected over the experimental storage time. The results show
that Policaju-based coatings have a positive effect on the shelf-life extension of mangoes at low storage temperatures (4°C). |
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